;; -*- lexical-binding: t; -*-
;; =============================================================================
;;    ___ _ __ ___   __ _  ___ ___
;;   / _ \ '_ ` _ \ / _` |/ __/ __|
;;  |  __/ | | | | | (_| | (__\__ \
;; (_)___|_| |_| |_|\__,_|\___|___/
;; =============================================================================


(setq user-full-name
      (replace-regexp-in-string "\n$" "" (shell-command-to-string
                                          "git config --get user.name")))
(setq user-mail-address
      (replace-regexp-in-string "\n$" "" (shell-command-to-string
                                          "git config --get user.email")))

(defun emacs24_4-p ()
  (or (and (>= emacs-major-version 24)
           (>= emacs-minor-version 4))
      (>= emacs-major-version 25)))

(when (equal system-type 'darwin)
  (setq mac-option-modifier 'meta)
  (setq mac-command-modifier 'super))

;; =============================================================================
;;                                                       Load Path Configuration
;; =============================================================================

(defvar machine-custom "~/.emacs.d/this-machine.el")
(setq custom-file "~/.emacs.d/custom-before.el")
(when (file-exists-p custom-file) (load custom-file))
(setq custom-after-file "~/.emacs.d/custom-after.el")
(when (file-exists-p machine-custom) (load machine-custom))

;; =============================================================================
;;                                                                  GUI Disables
;; =============================================================================

 ;; Turn off mouse interface early in startup to avoid momentary display
(when (fboundp 'menu-bar-mode) (menu-bar-mode -1))
(when (fboundp 'tool-bar-mode) (tool-bar-mode -1))
(when (fboundp 'scroll-bar-mode) (scroll-bar-mode -1))

;; These silence the byte compiler.
(defvar ido-cur-item nil)
(defvar ido-default-item nil)
(defvar ido-context-switch-command nil)
(defvar ido-cur-list nil)
(defvar inherit-input-method nil)
(defvar grep-find-ignored-files nil)
(defvar grep-find-ignored-directories nil)

;; =============================================================================
;;                                                         ELPA/package.el/MELPA
;; =============================================================================

(require 'package)
(add-to-list 'package-archives
             '("marmalade" . "http://marmalade-repo.org/packages/") t)
(add-to-list 'package-archives '("elpa" . "http://tromey.com/elpa/") t)
(add-to-list 'package-archives '("org" . "http://orgmode.org/elpa/") t)
(add-to-list 'package-archives '("melpa" . "http://melpa.org/packages/") t)

(defun ensure-packages-installed (packages)
  (unless package-archive-contents
    (package-refresh-contents))
  (mapcar
   (lambda (package)
     (if (package-installed-p package)
         package
       (progn (message (format "Installing package %s." package))
              (package-install package))))
   packages))

(package-initialize)
(ensure-packages-installed '(epl use-package))

(eval-when-compile (require 'use-package)) ;; use-package is only needed at compile time.
(require 'diminish)
(require 'bind-key)

(use-package benchmark-init
  :ensure t
  ;; this variable has to be set in custom-before.el
  :if (and (boundp 'do-benchmark) do-benchmark))

;; =============================================================================
;;                                                          Config Free Packages
;; =============================================================================

(defvar packages-eager
  '(popup yasnippet cl-lib paradox
    xclip dired+ ctags ctags-update aggressive-indent imenu+ neotree diminish
    gist))

(ensure-packages-installed packages-eager)

;; =============================================================================
;;                                                                      Disables
;; =============================================================================

(setq visible-bell nil)
(setq sentence-end-double-space nil)

;; Disable the creation of backup files.
(setq backup-inhibited t)
(setq make-backup-files nil)
(setq auto-save-default nil)

(defconst emacs-tmp-dir
  (format "%s/%s%s/" temporary-file-directory "emacs" (user-uid)))
(setq backup-directory-alist `((".*" . ,emacs-tmp-dir)))
(setq auto-save-file-name-transforms `((".*" ,emacs-tmp-dir t)))
(setq auto-save-list-file-prefix emacs-tmp-dir)


(put 'set-goal-column 'disabled nil)
(auto-fill-mode -1)
(setq indent-tabs-mode nil)
(setq flyspell-issue-welcome-flag nil)

;; No hsplits. EVER.
(defun split-horizontally-for-temp-buffers () (split-window-horizontally))
(add-hook 'temp-buffer-setup-hook 'split-horizontally-for-temp-buffers)
(setq split-height-threshold nil)
(setq split-width-threshold 160)

;; No popup frames.
(setq ns-pop-up-frames nil)
(setq pop-up-frames nil)
(setq confirm-nonexistent-file-or-buffer nil)

;; No prompt for killing a buffer with processes attached.
(setq kill-buffer-query-functions
  (remq 'process-kill-buffer-query-function
        kill-buffer-query-functions))

(setq inhibit-startup-message t
      inhibit-startup-echo-area-message t)

(when (fboundp 'tooltip-mode) (tooltip-mode -1))
(setq tooltip-use-echo-area t)

(setq use-dialog-box nil)

(defadvice yes-or-no-p (around prevent-dialog activate)
  "Prevent yes-or-no-p from activating a dialog"
  (let ((use-dialog-box nil))
    ad-do-it))

(defadvice y-or-n-p (around prevent-dialog-yorn activate)
  "Prevent y-or-n-p from activating a dialog"
  (let ((use-dialog-box nil))
    ad-do-it))

;; =============================================================================
;;                                                                     functions
;; =============================================================================

(defmacro imalison:prefix-alternative (name default alternative)
  `(defun ,name (arg) (interactive "P")
          (if arg (call-interactively (quote ,alternative))
            (call-interactively (quote ,default)))))

(defun imalison:uuid ()
  (interactive)
  (s-replace "\n" "" (shell-command-to-string "uuid")))

(defun imalison:insert-uuid ()
  (interactive)
  (insert (imalison:uuid)))

(defmacro suppress-messages (&rest forms)
  `(flet ((message (&rest r) nil))
     ,@forms))

(defun cmp-int-list (a b)
  (when (and a b)
    (cond ((> (car a) (car b)) 1)
          ((< (car a) (car b)) -1)
          (t (cmp-int-list (cdr a) (cdr b))))))

(defun get-date-created-from-agenda-entry (agenda-entry)
  (org-time-string-to-time
   (org-entry-get (get-text-property 1 'org-marker agenda-entry) "CREATED")))

(defun narrow-to-region-indirect (start end)
  "Restrict editing in this buffer to the current region, indirectly."
  (interactive "r")
  (deactivate-mark)
  (let ((buf (clone-indirect-buffer nil nil)))
    (with-current-buffer buf
      (narrow-to-region start end))
      (switch-to-buffer buf)))

(defmacro defvar-setq (name value)
  (if (boundp name)
      `(setq ,name ,value)
    `(defvar ,name ,value)))

(defun imalison:imenu-prefix-flattened (index)
  (let ((flattened (imalison:flatten-imenu-index (cdr index))))
    (cl-loop for sub-item in flattened
             collect
             `(,(concat (car index) "." (car sub-item)) . ,(cdr sub-item)))))

(defun imalison:flatten-imenu-index (index)
  (let ((cdr-is-index (listp (cdr index))))
    (cond ((not (stringp (car index))) (cl-mapcan #'imalison:flatten-imenu-index index))
          (cdr-is-index (imalison:imenu-prefix-flattened index))
          (t (list index)))))

(defun imalison:make-imenu-index-flat ()
  (let ((original-imenu-function imenu-create-index-function))
    (setq imenu-create-index-function
          (lambda ()
            (imalison:flatten-imenu-index
             (funcall original-imenu-function))))))

(defmacro defvar-if-non-existent (name value)
  (unless (boundp name)
    `(defvar ,name ,value)))

(defun eval-region-or-last-sexp ()
  (interactive)
  (if (region-active-p) (call-interactively 'eval-region)
    (call-interactively 'eval-last-sexp)))

(defun undo-redo (&optional arg)
  (interactive "P")
  (if arg (undo-tree-redo) (undo-tree-undo)))

(defun up-list-region ()
  (interactive)
  (up-list) (set-mark-command nil) (backward-sexp))

(defun up-list-back ()
  (interactive)
  (up-list) (backward-sexp))

(defun unfill-paragraph (&optional region)
  "Takes a multi-line paragraph and makes it into a single line of text."
  (interactive (progn
                 (barf-if-buffer-read-only)
                 (list t)))
  (let ((fill-column (point-max)))
    (fill-paragraph nil region)))

(defun fill-or-unfill-paragraph (&optional unfill region)
  "Fill paragraph (or REGION). With the prefix argument UNFILL,
unfill it instead."
    (interactive (progn
                   (barf-if-buffer-read-only)
                   (list (if current-prefix-arg 'unfill) t)))
    (let ((fill-column (if unfill (point-max) fill-column)))
      (fill-paragraph nil region)))

(defun sudo-edit (&optional arg)
  "Edit currently visited file as root.

With a prefix ARG prompt for a file to visit.
Will also prompt for a file to visit if current
buffer is not visiting a file."
  (interactive "P")
  (if (or arg (not buffer-file-name))
      (find-file (concat "/sudo:root@localhost:"
                         (ido-read-file-name "Find file (as root): ")))
    (find-alternate-file (concat "/sudo:root@localhost:" buffer-file-name))))

(defun frame-exists ()
  (cl-find-if
   (lambda (frame)
     (assoc 'display (frame-parameters frame))) (frame-list)))

(defun imalison:copy-shell-command-on-region (start end command)
  (interactive (list (region-beginning) (region-end)
                     (read-shell-command "Shell command on region: ")))
  (let ((original-buffer (current-buffer)))
    (with-temp-buffer
      (let ((temp-buffer (current-buffer)))
        (with-current-buffer original-buffer
          (shell-command-on-region start end command temp-buffer))
        (kill-ring-save (point-max) (point-min))))))

(defun imalison:shell-command-on-region-replace (start end command)
  (interactive (list (region-beginning) (region-end)
                     (read-shell-command "Shell command on region: ")))
  (shell-command-on-region start end command nil t))

(defun imalison:shell-command-on-region (arg)
  (interactive "P")
  (call-interactively (if arg 'imalison:shell-command-on-region-replace
    'imalison:copy-shell-command-on-region)))

(defun make-frame-if-none-exists ()
  (let* ((existing-frame (frame-exists)))
    (if existing-frame
        existing-frame
      (make-frame-on-display (getenv "DISPLAY")))))

(defun make-frame-if-none-exists-and-focus ()
  (make-frame-visible (select-frame (make-frame-if-none-exists))))

(defun copy-buffer-file-name ()
  (interactive)
  (add-string-to-kill-ring (file-name-nondirectory (buffer-file-name))))

(defun copy-buffer-file-path ()
  (interactive)
  (add-string-to-kill-ring (file-relative-name (buffer-file-name) (projectile-project-root))))

(defun add-string-to-kill-ring (string)
  (with-temp-buffer
    (insert string)
    (kill-ring-save (point-max) (point-min))))

(defun os-copy-string (string)
  (with-temp-buffer
    (insert string)
    (os-copy (beginning-of-buffer) (end-of-buffer))))

(defun os-copy (&optional b e)
  (interactive "r")
  (shell-command-on-region b e "source ~/.zshrc; cat | smart_copy"))

(defun os-paste ()
  (interactive)
  (insert (shell-command-to-string "source ~/.zshrc; ospaste")))

(defun all-copy (&optional b e)
  (interactive "r")
  (os-copy b e)
  (tmux-copy b e)
  (kill-ring-save b e))

(defun open-pdf ()
  (interactive)
  (let ( (pdf-file (replace-regexp-in-string
                    "\.tex$" ".pdf" buffer-file-name)))
    (shell-command (concat "open " pdf-file))))

(defun tmux-copy (&optional b e)
  (interactive "r")
  (shell-command-on-region b e "cat | tmux loadb -"))

(defun eval-and-replace ()
  (interactive)
  (backward-kill-sexp)
  (condition-case nil
      (prin1 (eval (read (current-kill 0)))
             (current-buffer))
    (error (message "Invalid expression")
           (insert (current-kill 0)))))

(defun flatten-imenu-index (index)
  (cl-mapcan
   (lambda (x)
     (if (listp (cdr x))
         (cl-mapcar (lambda (item)
                      `(,(concat (car x) "/" (car item)) . ,(cdr item)))
                    (flatten-imenu-index (cdr x)))
       (list x))) index))

(defun flatten-imenu-index-function (function)
  (lambda () (flatten-imenu-index (funcall function))))

(defun flatten-current-imenu-index-function ()
  (setq imenu-create-index-function
        (flatten-imenu-index-function imenu-create-index-function)))

(defun notification-center (title message)
  (flet ((encfn (s) (encode-coding-string s (keyboard-coding-system))))
    (shell-command
     (format "osascript -e 'display notification \"%s\" with title \"%s\"'"
             (encfn message) (encfn title)))))

(defun growl-notify (title message)
  (shell-command (format "grownotify -t %s -m %s" title message)))

(defun notify-send (title message)
  (shell-command (format "notify-send -u critical %s %s" title message)))

(defvar notify-function
  (cond ((eq system-type 'darwin) 'notification-center)
        ((eq system-type 'gnu/linux) 'notify-send)))

(defun project-root-of-file (filename)
  "Retrieves the root directory of a project if available.
The current directory is assumed to be the project's root otherwise."
  (file-truename
   (let ((dir (file-truename filename)))
     (or (--reduce-from
          (or acc
              (let* ((cache-key (format "%s-%s" it dir))
                     (cache-value (gethash cache-key
                                           projectile-project-root-cache)))
                (if cache-value
                    (if (eq cache-value 'no-project-root)
                        nil
                      cache-value)
                  (let ((value (funcall it dir)))
                    (puthash cache-key (or value 'no-project-root)
                             projectile-project-root-cache)
                    value))))
          nil
          projectile-project-root-files-functions)
         (if projectile-require-project-root
             (error "You're not in a project")
           default-directory)))))

;; =============================================================================
;;                                                         General Emacs Options
;; =============================================================================

(global-auto-revert-mode)

;; This makes it so that emacs --daemon puts its files in ~/.emacs.d/server
(setq server-use-tcp t)

;; Display line and column numbers in mode line.
(line-number-mode t)
(column-number-mode t)
(global-linum-mode t)
(setq visible-bell t)
(show-paren-mode 1)

;; Make buffer names unique.
(setq uniquify-buffer-name-style 'forward)

;; We want closures
(setq lexical-binding t)

;; Don't disable downcase and upcase region.
(put 'upcase-region 'disabled nil)
(put 'downcase-region 'disabled nil)

;; Make forward word understand camel and snake case.
(setq c-subword-mode t)

;; Preserve pastes from OS when saving a new item to the kill
;; ring. Why wouldn't this be enabled by default?
(setq save-interprogram-paste-before-kill t)

(setq-default cursor-type 'box)
(setq-default cursor-in-non-selected-windows 'bar)

(add-hook 'after-init-hook '(lambda () (setq debug-on-error t)))

;; Make mouse scrolling less jumpy.
(setq mouse-wheel-scroll-amount '(1 ((shift) . 1)))

(eval-after-load 'subword '(diminish 'subword-mode))
(eval-after-load 'simple '(diminish 'visual-line-mode))

(display-time-mode 1)
(setq reb-re-syntax 'string) ;; the only sane option...

(setq ediff-split-window-function 'split-window-horizontally)
(setq ediff-window-setup-function 'ediff-setup-windows-plain)

;; Disable this per major mode or maybe using file size if it causes
;; performance issues?
(setq imenu-auto-rescan t)
(setq imenu-max-item-length 300)

(put 'narrow-to-region 'disabled nil)
(put 'narrow-to-page 'disabled nil)

;; =============================================================================
;;                                                                   use-package
;; =============================================================================

;; Set path from shell.
(use-package exec-path-from-shell
  :ensure t
  :config (exec-path-from-shell-initialize))

(use-package yasnippet
  :ensure t
  :defer 5
  :commands (yas-global-mode)
  :config
  (progn
    (yas-global-mode)
    (diminish 'yas-minor-mode)
    (setq yas-prompt-functions
          (cons 'yas-ido-prompt
                (cl-delete 'yas-ido-prompt yas-prompt-functions)))))

(use-package tramp
  :commands tramp
  :config
  (setq tramp-default-method "ssh"))

;; text mode stuff:
(remove-hook 'text-mode-hook #'turn-on-auto-fill)
(add-hook 'text-mode-hook 'turn-on-visual-line-mode)
(setq sentence-end-double-space nil)

;; y and n instead of yes and no
(defalias 'yes-or-no-p 'y-or-n-p)

(use-package discover-my-major :ensure t)

(use-package which-key
  :ensure t
  :config
  (progn
    (which-key-mode)))

(use-package jump-char
  :bind (("C-;" . jump-char-forward))
  :ensure t)

(imalison:prefix-alternative imalison:avy avy-goto-word-1 avy-goto-char)
(use-package avy
  :ensure t
  :bind (("C-j" . imalison:avy)
         ("M-g l" . avy-goto-line)
         ("C-'" . avy-goto-char-2)))

(use-package ace-window
  :ensure t
  :config (setq aw-keys '(?a ?s ?d ?f ?g ?h ?j ?k ?l))
  :bind ("C-c w" . ace-select-window))

(use-package flycheck
  :ensure t
  :config
  (progn (global-flycheck-mode))
  :diminish flycheck-mode)

(use-package haskell-mode
  :ensure t
  :commands haskell-mode
  :config
  (progn
    (add-hook 'haskell-mode-hook 'turn-on-haskell-indent)))

(use-package narrow-indirect
  :ensure t
  :init
  (progn
    (define-key ctl-x-4-map "nd" 'ni-narrow-to-defun-indirect-other-window)
    (define-key ctl-x-4-map "nn" 'ni-narrow-to-region-indirect-other-window)
    (define-key ctl-x-4-map "np" 'ni-narrow-to-page-indirect-other-window)))

(use-package dtrt-indent
  :ensure t
  :init (add-hook 'prog-mode-hook 'dtrt-indent-mode))

(use-package rainbow-delimiters
  :ensure t
  :commands rainbow-delimiters-mode
  :init
  (progn
    (add-hook 'prog-mode-hook (lambda () (rainbow-delimiters-mode t)))))

(use-package diff-hl :ensure t)

(use-package magit
  :ensure t
  :commands magit-status
  :bind (("C-x g" . magit-status))
  :init
  (defvar-setq magit-last-seen-setup-instructions "1.4.0")
  :config
  (progn
    (use-package magit-filenotify
      ;; Seems like OSX does not support filenotify.
      :disabled t
      :ensure t
      :if (emacs24_4-p)
      :config
      :init (add-hook 'magit-status-mode-hook 'magit-filenotify-mode))))

(use-package company
  :ensure t
  :commands company-mode
  :bind (("C-\\" . company-complete))
  :config
  (progn
    (setq company-idle-delay .25)
    (global-company-mode)
    (diminish 'company-mode))
  :init
  (add-hook 'prog-mode-hook (lambda () (company-mode t))))

(use-package expand-region
  :ensure t
  :commands er/expand-region
  :config (setq expand-region-contract-fast-key "j")
  :bind (("C-c k" . er/expand-region)))

(use-package multiple-cursors
  :config
  (progn
    (use-package phi-search-mc
      :ensure t
      :config
      (phi-search-mc/setup-keys))
    (use-package mc-extras
      :ensure t
      :config
      (define-key mc/keymap (kbd "C-. =") 'mc/compare-chars)))
  :bind
   (("C-c m a" . mc/mark-all-like-this)
    ("C-c m m" . mc/mark-all-like-this-dwim)
    ("C-c m l" . mc/edit-lines)
    ("C-c m n" . mc/mark-next-like-this)
    ("C-c m p" . mc/mark-previous-like-this)
    ("C-c m s" . mc/mark-sgml-tag-pair)
    ("C-c m d" . mc/mark-all-like-this-in-defun)))

(use-package undo-tree
  :disabled t ;; this has been getting pretty annoying
  :ensure t
  :bind (("C--" . undo-redo)
         ("C-c u" . undo-tree-visualize)
         ("C-c r" . undo-tree-redo))
  :config
  (diminish 'undo-tree-mode)
  :init
  (progn
    ;;(setq undo-tree-visualizer-diff t) ;; This causes performance problems
    (global-undo-tree-mode)
    (setq undo-tree-visualizer-timestamps t)))

(use-package string-inflection
  :ensure t
  :commands string-inflection-toggle
  :bind ("C-c l" . string-inflection-toggle))

(use-package load-dir
  :ensure t
  :config
  (progn
    (add-to-list 'load-dirs "~/.emacs.d/load.d")
    (defvar site-lisp "/usr/share/emacs24/site-lisp/")
    (when (file-exists-p site-lisp) (add-to-list 'load-dirs site-lisp))))

(use-package recentf
  ;; binding is in helm.
  :config
  (progn
    (recentf-mode 1)
    (setq recentf-max-menu-items 500)))

(use-package zop-to-char
  :ensure t
  :bind ("M-z" . zop-to-char))

(use-package restclient
  :ensure t
  :mode (("\\.restclient\\'" . restclient-mode)))

(use-package comment-dwim-2
  :ensure t
  :bind ("M-;" . comment-dwim-2))

;; =============================================================================
;;                                                         Non-Programming Stuff
;; =============================================================================

(use-package helm-spotify
  :ensure t
  :commands helm-spotify)

(use-package edit-server
  :ensure t
  :commands edit-server-start
  :defer 1
  :config
  (progn
    (edit-server-start)
    (setq edit-server-new-frame nil)))

(use-package jabber
  :ensure t
  :commands jabber-connect
  :config
  (progn
    (setq jabber-alert-presence-hooks nil)
    (defun jabber-message-content-message (from buffer text)
      (when (or jabber-message-alert-same-buffer
                (not (memq (selected-window) (get-buffer-window-list buffer))))
        (if (jabber-muc-sender-p from)
            (format "%s: %s" (jabber-jid-resource from) text)
          (format "%s: %s" (jabber-jid-displayname from) text))))
    (setq jabber-alert-message-function 'jabber-message-content-message)))

(use-package htmlize :ensure t)

(use-package calfw :ensure t)

(use-package org
  :ensure org-plus-contrib
  :commands (org-mode org org-mobile-push org-mobile-pull org-agenda)
  :mode ("\\.org\\'" . org-mode)
  :bind (("C-c a" . org-agenda)
         ("C-c c" . org-capture)
         ("C-c n t" . org-insert-todo-heading)
         ("C-c n s" . org-insert-todo-subheading)
         ("C-c n h" . org-insert-habit)
         ("C-c n m" . org-make-habit)
         ("C-c n l" . org-store-link)
         ("C-c n i" . org-insert-link)
         ("C-c C-t" . org-todo)
         ("C-c C-S-t" . org-todo-force-notes))
  :config
  (progn
    (setq org-global-properties
          '(quote (("Effort_ALL" . "0:15 0:30 0:45 1:00 2:00 3:00 4:00 5:00 6:00 0:00")
                   ("STYLE_ALL" . "habit"))))
    (setq org-columns-default-format "%80ITEM(Task) %10Effort(Effort){:} %10CLOCKSUM")
    (setq helm-org-headings-fontify t)

    ;; Enable appointment notifications.
    (if nil
        (defadvice org-agenda-to-appt (before wickedcool activate)
          "Clear the appt-time-msg-list."
          (setq appt-time-msg-list nil))
      (appt-activate)
      (defun org-agenda-to-appt-no-message ()
        (suppress-messages (org-agenda-to-appt)))
      (run-at-time "00:00" 60 'org-agenda-to-appt-no-message))

    (defun org-archive-if (condition-function)
      (if (funcall condition-function)
          (org-archive-subtree)))

    (defun org-archive-if-completed ()
      (interactive)
      (org-archive-if 'org-entry-is-done-p))

    (defun org-archive-completed-in-buffer ()
      (interactive)
      (org-map-entries 'org-archive-if-completed))

    (defun org-capture-make-todo-template (&optional content)
      (unless content (setq content "%?"))
      (with-temp-buffer
        (org-mode)
        (org-insert-heading)
        (insert content)
        (org-todo "TODO")
        (org-set-property "CREATED"
                          (with-temp-buffer
                            (org-insert-time-stamp
                             (org-current-effective-time) t t)))
        (remove-hook 'post-command-hook 'org-add-log-note)
        (org-add-log-note)
        (buffer-substring-no-properties (point-min) (point-max))))

    (defun org-todo-force-notes ()
      (interactive)
      (let ((org-todo-log-states
             (mapcar (lambda (state)
                       (list state 'note 'time))
                     (apply 'append org-todo-sets))))
        (cond ((eq major-mode 'org-mode)  (org-todo))
              ((eq major-mode 'org-agenda-mode) (org-agenda-todo)))))

    (defun org-make-habit ()
      (interactive)
      (org-set-property "STYLE" "habit"))

    (defun org-insert-habit ()
      (interactive)
      (org-insert-todo-heading nil)
      (org-make-habit))

    (defun org-todo-at-date (date)
      (interactive (list (org-time-string-to-time (org-read-date))))
      (flet ((org-current-effective-time (&rest r) date)
             (org-today (&rest r) (time-to-days date)))
        (cond ((eq major-mode 'org-mode) (org-todo))
              ((eq major-mode 'org-agenda-mode) (org-agenda-todo)))))

    (defun org-capture-make-linked-todo-template ()
      (org-capture-make-todo-template "%? %A"))

    (defun org-cmp-creation-times (a b)
      (let ((a-created (get-date-created-from-agenda-entry a))
            (b-created (get-date-created-from-agenda-entry b)))
        (cmp-int-list a-created b-created)))

    (defun org-agenda-done (&optional arg)
      "Mark current TODO as done.
This changes the line at point, all other lines in the agenda referring to
the same tree node, and the headline of the tree node in the Org-mode file."
      (interactive "P")
      (org-agenda-todo "DONE"))
    ;; Override the key definition for org-exit
    ;; (define-key org-agenda-mode-map "x" #'org-agenda-done) ;; TODO why does this cause an error

    ;; org-mode add-ons
    (use-package org-present :ensure t)
    (use-package org-pomodoro :ensure t)

    ;; variable configuration
    (add-to-list 'org-modules 'org-habit)
    (add-to-list 'org-modules 'org-expiry)
    (add-to-list 'org-modules 'org-notify)

    (setq org-src-fontify-natively t)
    (setq org-habit-graph-column 50)
    (setq org-habit-show-habits-only-for-today t)
    ;; My priority system:

    ;; A - Absolutely MUST, at all costs, be completed by the provided
    ;;     due date. TODO implement some type of extreme nagging
    ;;     system that alerts in an intrusive way for overdue A
    ;;     priority tasks.

    ;; B - Should be given immediate attention if the due date is any
    ;;     time in the next two days. Failure to meet due date would
    ;;     be bad but not catastrophic

    ;; C - The highest priority to which tasks for which failure to
    ;;     complete on time would not have considerable significant
    ;;     consequences. There is still significant reason to prefer
    ;;     the completion of these tasks sooner rather than later.

    ;; D - Failure to complete within a few days (or ever) of any
    ;;     deadline would be completely okay. As such, any deadline
    ;;     present on such a task is self imposed. Still probably
    ;;     worth doing

    ;; E - Potentially not even worth doing at all, but worth taking a
    ;;     note about in case it comes up again, or becomes more
    ;;     interesting later.

    ;; F - Almost certainly not worth attempting in the immediate future.
    ;;     Just brain dump.

    ;; Priorities are somewhat contextual within each category. Things
    ;; in the gtd or work categories are generally regarded as much
    ;; more important than things with the same priority from the
    ;; dotfiles repository

    ;; Items without deadlines of a given priority can be regarded as
    ;; less important than items that DO have deadlines of that same
    ;; priority.

    (setq org-lowest-priority 69) ;; The character E
    (setq org-completion-use-ido t)
    (setq org-enforce-todo-dependencies t)
    (setq org-deadline-warning-days 0)
    (setq org-default-priority ?D)
    (setq org-agenda-skip-scheduled-if-done t)
    (setq org-agenda-skip-deadline-if-done t)
    ;;(add-to-list org-agenda-tag-filter-preset "+PRIORITY<\"C\"")

    (use-package org-notify
      :disabled t
      :config
      (progn
        (defun imalison:org-notify-notification-handler (plist)
          (sauron-add-event 'org-notify 4 (format "%s, %s.\n" (plist-get plist :heading)
                                                  (org-notify-body-text plist))))

        (setq org-show-notification-handler 'imalison:org-notify-notification-handler)

        (org-notify-add 'default '(:time "1h" :actions imalison:org-notify-notification-handler
        				 :period "2m" :duration 60))
        (org-notify-add 'default '(:time "100m" :actions imalison:org-notify-notification-handler
                                         :period "2m" :duration 60))
        (org-notify-add 'urgent-second '(:time "3m" :actions (-notify/window -ding)
                                               :period "15s" :duration 10))
        (org-notify-add 'minute '(:time "5m" :actions -notify/window
                                        :period "100s" :duration 70))
        (org-notify-add '12hours
                        '(:time "3m" :actions (-notify/window -ding)
                                :period "15s" :duration 10)
                        '(:time "100m" :actions -notify/window
                                :period "2m" :duration 60)
                        '(:time "12h" :actions -notify/window :audible nil
                                :period "10m" :duration 200))
        (org-notify-add '5days
                        '(:time "100m" :actions -notify/window
                                :period "2m" :duration 60)
                        '(:time "2d" :actions -notify/window
                                :period "15m" :duration 100)
                        '(:time "5d" :actions -notify/window
                                :period "2h" :duration 200))
        (org-notify-add 'long-20days
                        '(:time "2d" :actions -notify/window
                                :period "15m" :duration 60)
                        '(:time "5d" :actions -notify/window
                                :period "2h" :duration 60)
                        '(:time "20d" :actions -email :period "2d" :audible nil))
        (org-notify-add 'long-50days
                        '(:time "4d" :actions -notify/window
                                :period "30m" :duration 100)
                        '(:time "10d" :actions -notify/window
                                :period "4h" :duration 200)
                        '(:time "50d" :actions -email :period "3d" :audible nil))
        (org-notify-add 'long-100days
                        '(:time "2d" :actions -notify/window
                                :period "1h" :duration 200)
                        '(:time "10d" :actions -notify/window
                                :period "10h" :duration 300)
                        '(:time "50d" :actions -email :period "3d" :audible nil)
                        '(:time "100d" :actions -email :period "5d" :audible nil))
        (org-notify-start 10)))

    (use-package org-bullets
      :ensure t
      :config
      (progn
        (add-hook 'org-mode-hook (lambda () (org-bullets-mode 1)))))

    (use-package org-ehtml
      :disabled t
      :ensure t
      :config
      (progn
        (setq org-ehtml-docroot (expand-file-name "~/Dropbox/org"))
        (setq org-ehtml-allow-agenda t)
        (setq org-ehtml-editable-headlines t)
        (setq org-ehtml-everything-editable t)))

    ;; Agenda setup.
    (defvar-if-non-existent imalison:org-gtd-file "~/org/gtd.org")
    (defvar-if-non-existent imalison:org-habits-file "~/org/habits.org")
    (defvar-if-non-existent imalison:org-calendar-file "~/org/calendar.org")

    (unless (boundp 'org-capture-templates)
      (defvar org-capture-templates nil))

    (defun imalison:add-to-org-agenda-files (incoming-files)
      (setq org-agenda-files (delete-dups
       (cl-loop for filepath in (append org-agenda-files incoming-files)
                when (and filepath (file-exists-p (file-truename filepath)))
                collect (file-truename filepath)))))

    (imalison:add-to-org-agenda-files
     (list imalison:org-gtd-file imalison:org-habits-file imalison:org-calendar-file))

    (add-to-list 'org-capture-templates
                 `("t" "GTD Todo (Linked)" entry (file ,imalison:org-gtd-file)
                   (function org-capture-make-linked-todo-template)))

    (add-to-list 'org-capture-templates
                 `("g" "GTD Todo" entry (file ,imalison:org-gtd-file)
                   (function org-capture-make-todo-template)))

    (add-to-list 'org-capture-templates
                 `("y" "Calendar entry (Linked)" entry
                   (file ,imalison:org-calendar-file)
                   "* %? %A
  :PROPERTIES:
  :CREATED: %U
  :END:
%^T"))

    (add-to-list 'org-capture-templates
                 `("c" "Calendar entry" entry
                   (file ,imalison:org-calendar-file)
                   "* %?
  :PROPERTIES:
  :CREATED: %U
  :END:
%^T"))

    (add-to-list 'org-capture-templates
                 `("h" "Habit" entry (file ,imalison:org-habits-file)
                   "* TODO
  SCHEDULED: %^t
  :PROPERTIES:
  :CREATED: %U
  :STYLE: habit
  :END:"))

    (let ((this-week-high-priority
           ;; The < in the following line works has behavior that is opposite
           ;; to what one might expect.
           '(tags-todo "+PRIORITY<\"C\"+DEADLINE<\"<+1w>\"DEADLINE>\"<+0d>\""
                       ((org-agenda-overriding-header
                         "Upcoming high priority tasks:"))))
          (due-today '(tags-todo
                           "+DEADLINE=<\"<+0d>\""
                           ((org-agenda-overriding-header
                             "Due today:"))))
          (recently-created '(tags-todo
                           "+CREATED=>\"<-3d>\""
                           ((org-agenda-overriding-header "Recently created:")
                            (org-agenda-cmp-user-defined 'org-cmp-creation-times)
                            (org-agenda-sorting-strategy '(user-defined-down)))))
          (missing-deadline
           '(tags-todo "-DEADLINE={.}/!"
                       ((org-agenda-overriding-header
                         "These don't have deadlines:"))))
          (missing-priority
           '(tags-todo "-PRIORITY={.}/!"
                       ((org-agenda-overriding-header
                         "These don't have priorities:")))))

      (setq org-agenda-custom-commands
            `(("M" "Main agenda view"
               (,due-today
                ,this-week-high-priority
                ,recently-created
                (agenda ""
                        ((org-agenda-overriding-header "Agenda:")
                         (org-agenda-ndays 5)
                         (org-deadline-warning-days 0))))
               nil nil)
              ,(cons "A" (cons "High priority upcoming" this-week-high-priority))
              ,(cons "d" (cons "Overdue tasks and due today" due-today))
              ,(cons "r" (cons "Recently created" recently-created))
	      ("h" "A, B priority:" tags-todo "+PRIORITY<\"C\""
                       ((org-agenda-overriding-header
                         "High Priority:")))
              ("c" "At least priority C:" tags-todo "+PRIORITY<\"D\""
                       ((org-agenda-overriding-header
                         "At least priority C:"))))))

    ;; Record changes to todo states
    (setq org-log-into-drawer t)
    (setq org-todo-keywords
          '((sequence "TODO(t!)" "NEXT(n!)" "STARTED(s!)" "WAIT(w!)" "BACKLOG(b!)" "|"
                      "DONE(d!)" "CANCELED(c!)" "OBVIATED(o!)" "HANDLED(h!)" "EXPIRED(e!)")))
    ;; Stop starting agenda from deleting frame setup!
    (setq org-agenda-window-setup 'other-window)
    (define-key mode-specific-map [?a] 'org-agenda)
    (unbind-key "C-j" org-mode-map))
  :init
  (progn
    (setq org-directory "~/Dropbox/org")
    (setq org-mobile-inbox-for-pull "~/Dropbox/org/flagged.org")
    (setq org-mobile-directory "~/Dropbox/Apps/MobileOrg")
    (defun disable-linum-mode () (linum-mode 0))
    (add-hook 'org-mode-hook 'disable-linum-mode)
    (add-hook 'org-mode-hook (lambda () (setq org-todo-key-trigger t)))
    (add-hook 'org-agenda-mode-hook 'disable-linum-mode)))

(use-package clocker :ensure t)

(use-package org-projectile
  :ensure t
  :demand t
  :bind (("C-c n p" . imalison:helm-org-todo))
  :config
  (progn
    (org-projectile:prompt)
    (add-to-list 'org-capture-templates
                 (org-projectile:project-todo-entry "l" "* TODO %? %a\n" "Linked Project TODO"))
    (add-to-list 'org-capture-templates (org-projectile:project-todo-entry "p"))
    (setq org-confirm-elisp-link-function nil)
    (imalison:add-to-org-agenda-files (org-projectile:todo-files))
    (defun imalison:helm-org-todo (&optional arg)
      (interactive "P")
      (helm :sources (list (helm-source-org-capture-templates)
                           (org-projectile:helm-source
                            (if arg (org-capture-make-linked-todo-template)
                              (org-capture-make-todo-template))))
            :candidate-number-limit 99999
            :buffer "*helm org capture templates*"))))

(use-package epg
  :ensure t
  :config
  (epa-file-enable))

(use-package twittering-mode
  :ensure t
  :commands twittering-mode)

(use-package erc
  :ensure t
  :commands erc
  :config
  (progn
    ;; (add-to-list 'erc-modules 'notifications)
    (use-package erc-colorize :ensure t) (erc-colorize-mode 1)))

(use-package s :ensure t)
(add-to-list 'load-path (s-trim (shell-command-to-string "mu4e_directory")))

(use-package mu4e
  :commands (mu4e mu4e-view-message-with-msgid mu4e-update-index email)
  :bind ("C-c 0" . email)
  :config
  (progn
    (defun email (&optional arg)
      (interactive "P")
      (if (string-equal (persp-name persp-curr) "email")
          (progn (delete-other-windows) (mu4e))
        (progn
          (persp-switch "email")
          (when (or (not (mu4e-running-p)) arg)
            (delete-other-windows) (mu4e)))))
    ;; enable inline images
    (setq mu4e-view-show-images t)
    ;; show images
    (setq mu4e-show-images t)
    ;; Try to display html as text
    (setq mu4e-view-prefer-html nil)

    (setq mu4e-html2text-command "html2text -width 80 -nobs -utf8")

    ;; use imagemagick, if available
    (when (fboundp 'imagemagick-register-types)
         (imagemagick-register-types))
    (setq mail-user-agent 'mu4e-user-agent)
    (require 'org-mu4e)
    (setq mu4e-compose-complete-only-after nil)
    (setq mu4e-maildir "~/Mail")

    (setq mu4e-drafts-folder "/[Gmail].Drafts")
    (setq mu4e-sent-folder   "/[Gmail].Sent Mail")
    (setq mu4e-trash-folder  "/[Gmail].Trash")

    (setq mu4e-sent-messages-behavior 'delete)
    (setq mu4e-headers-skip-duplicates t)
    (setq mu4e-update-interval (* 60 20))
    (setq message-kill-buffer-on-exit t)
    (setq mail-user-agent 'mu4e-user-agent) ;; make mu4e the default mail client

    ;; don't save message to Sent Messages, Gmail/IMAP takes care of this
    (setq mu4e-sent-messages-behavior 'delete)

    ;; allow for updating mail using 'U' in the main view:
    (setq mu4e-get-mail-command "timeout 60 offlineimap")

    (add-hook 'mu4e-compose-mode-hook
              (defun my-do-compose-stuff () (flyspell-mode)))

    (add-to-list 'mu4e-headers-actions '("view in browser" . mu4e-action-view-in-browser))
    (add-to-list 'mu4e-view-actions '("view in browser" . mu4e-action-view-in-browser))

    (defun mu4e-view (msg headersbuf)
      "Display the message MSG in a new buffer, and keep in sync with HDRSBUF.
'In sync' here means that moving to the next/previous message in
the the message view affects HDRSBUF, as does marking etc.

As a side-effect, a message that is being viewed loses its 'unread'
marking if it still had that."
      (let* ((embedded ;; is it as an embedded msg (ie. message/rfc822 att)?
              (when (gethash (mu4e-message-field msg :path)
                             mu4e~path-parent-docid-map) t))
             (buf
              (if embedded
                  (mu4e~view-embedded-winbuf)
                (get-buffer-create mu4e~view-buffer-name))))
        ;; note: mu4e~view-mark-as-read will pseudo-recursively call mu4e-view again
        ;; by triggering mu4e~view again as it marks the message as read
        (with-current-buffer buf
          (switch-to-buffer buf)
          (setq mu4e~view-msg msg)
          (when (or (mu4e~view-mark-as-read msg) t) ;;(or embedded (not (mu4e~view-mark-as-read msg)))
            (let ((inhibit-read-only t))
              (erase-buffer)
              (mu4e~delete-all-overlays)
              (insert (mu4e-view-message-text msg))
              (goto-char (point-min))
              (mu4e~fontify-cited)
              (mu4e~fontify-signature)
              (mu4e~view-make-urls-clickable)
              (mu4e~view-show-images-maybe msg)
              (setq
               mu4e~view-buffer buf
               mu4e~view-headers-buffer headersbuf)
              (when embedded (local-set-key "q" 'kill-buffer-and-window))
              (mu4e-view-mode))))))

    (require 'smtpmail)

    ;; alternatively, for emacs-24 you can use:
    (setq message-send-mail-function 'smtpmail-send-it
          smtpmail-stream-type 'starttls
          smtpmail-default-smtp-server "smtp.gmail.com"
          smtpmail-smtp-server "smtp.gmail.com"
          smtpmail-smtp-service 587)))

(use-package gmail-message-mode :ensure t)

(use-package alert
  :ensure t
  :config
  (progn
    (defun alert-notifier-notify (info)
      (if alert-notifier-command
          (let ((args
                 (list "-title"   (alert-encode-string (plist-get info :title))
                       "-activate" "org.gnu.Emacs"
                       "-message" (alert-encode-string (plist-get info :message))
                       "-execute" (format "\"%s\"" (switch-to-buffer-command (plist-get info :buffer))))))
            (apply #'call-process alert-notifier-command nil nil nil args))
        (alert-message-notify info)))

    (defun switch-to-buffer-command (buffer-name)
      (emacsclient-command (format "(switch-to-buffer \\\"%s\\\")" buffer-name)))

    (defun emacsclient-command (command)
      (format "emacsclient --server-file='%s' -e '%s'" server-name command))

    (setq alert-default-style 'notifier)))

(use-package sauron
  :ensure t
  :defer 5
  :commands (sauron-start sauron-start-hidden)
  :init
  (progn
    (when (eq system-type 'darwin)
      (setq sauron-modules '(sauron-erc sauron-org sauron-notifications
                                        sauron-twittering sauron-jabber sauron-identica))
      (defun sauron-dbus-start ()
        nil)
      (makunbound 'dbus-path-emacs)))
  :config
  (progn
    (sauron-start-hidden)
    ;; This should really check (featurep 'dbus) but for some reason
    ;; this is always true even if support is not there.
    (setq sauron-prio-sauron-started 2)
    (setq sauron-min-priority 3)
    ;; (setq sauron-dbus-cookie t) ;; linux only?
    (setq sauron-separate-frame nil)
    (setq sauron-nick-insensitivity 1)
    (defun sauron:jabber-notify (origin priority message &optional properties)
      (funcall notify-function "gtalk" message))
    (defun sauron:erc-notify (origin priority message &optional properties)
      (let ((event (plist-get properties :event)))
        (funcall notify-function "IRC" message)))
    (defun sauron:mu4e-notify (origin priority message &optional properties)
      nil)
    (defun sauron:dbus-notify (origin priority message &optional properties)
      (funcall notify-function "GMail" message))
    (defun sauron:dispatch-notify (origin priority message &optional properties)
      (let ((handler (cond ((string= origin "erc") 'sauron:erc-notify)
                            ((string= origin "jabber") 'sauron:jabber-notify)
                            ((string= origin "mu4e") 'sauron:mu4e-notify)
                            ((string= origin "dbus") 'sauron:dbus-notify)
                            (t (lambda (&rest r) nil)))))
        (funcall handler origin priority message properties)))
    ;; Prefering alert.el for now ;; (add-hook 'sauron-event-added-functions 'sauron:dispatch-notify)
    (sauron-start-hidden)
    (add-hook 'sauron-event-added-functions 'sauron-alert-el-adapter)))

(use-package screenshot :ensure t)

(use-package libmpdee :ensure t)

(use-package flyspell
  :ensure t
  :config
  (progn
    (diminish 'flyspell-mode)
    (bind-key "M-s" 'flyspell-correct-word-before-point flyspell-mode-map)
    (unbind-key "C-;" flyspell-mode-map)
    (defun flyspell-emacs-popup-textual (event poss word)
      "A textual flyspell popup menu."
      (let* ((corrects (if flyspell-sort-corrections
                           (sort (car (cdr (cdr poss))) 'string<)
                         (car (cdr (cdr poss)))))
             (cor-menu (if (consp corrects)
                           (mapcar (lambda (correct)
                                     (list correct correct))
                                   corrects)
                         '()))
             (affix (car (cdr (cdr (cdr poss)))))
             show-affix-info
             (base-menu  (let ((save (if (and (consp affix) show-affix-info)
                                         (list
                                          (list (concat "Save affix: "
                                                        (car affix))
                                                'save)
                                          '("Accept (session)" session)
                                          '("Accept (buffer)" buffer))
                                       '(("Save word" save)
                                         ("Accept (session)" session)
                                         ("Accept (buffer)" buffer)))))
                           (if (consp cor-menu)
                               (append cor-menu (cons "" save))
                             save)))
             (menu (mapcar
                    (lambda (arg) (if (consp arg) (car arg) arg))
                    base-menu)))
        (cadr (assoc (popup-menu* menu :scroll-bar t) base-menu))))
    (fset 'flyspell-emacs-popup 'flyspell-emacs-popup-textual)))

;; =============================================================================
;;                                                        Programming Mode Hooks
;; =============================================================================

(add-hook 'prog-mode-hook (lambda () (auto-fill-mode -1)))
(add-hook 'prog-mode-hook (lambda () (subword-mode t) (diminish 'subword-mode)))
(add-hook 'prog-mode-hook 'flyspell-prog-mode)

;; (add-hook 'prog-mode-hook (lambda () (highlight-lines-matching-regexp
;;                                  ".\\{81\\}" 'hi-blue)))

;; =============================================================================
;;                                          File Navigation: helm/projectile/ido
;; =============================================================================

(use-package helm-themes :ensure t)

(use-package helm-config
  :ensure helm
  :demand t
  :bind (("M-y" . helm-show-kill-ring)
         ("M-x" . helm-M-x)
         ("C-x C-i" . helm-imenu)
         ("C-h a" . helm-apropos)
         ("C-c C-h" . helm-org-agenda-files-headings)
         ("C-c ;" . helm-recentf))
  :init
  (progn
    (helm-mode 1)
    (use-package helm-ag
      :ensure t
      :bind ("C-c p S" . imalison:set-helm-ag-extra-options)
      :config
      (defun imalison:set-helm-ag-extra-options ()
        (interactive)
        (let ((option (read-string "Extra options: " (or helm-ag--extra-options "")
                                   'helm-ag--extra-options-history)))
          (setq helm-ag--extra-options option)))))
  :config
  (progn
    (setq helm-split-window-default-side 'same)
    (defun helm-source-org-capture-templates ()
      (helm-build-sync-source "Org Capture Templates:"
        :candidates (cl-loop for template in org-capture-templates
                             collect `(,(nth 1 template) . ,(nth 0 template)))
        :action '(("Do capture" . (lambda (template-shortcut)
                                    (org-capture nil template-shortcut))))))
    (defun helm-org-capture-templates ()
      (interactive)
      (helm :sources (helm-source-org-capture-templates)
            :candidate-number-limit 99999
            :buffer "*helm org capture templates*"))
    (cl-defun helm-org-headings-in-buffer ()
      (interactive)
      (helm :sources (helm-source-org-headings-for-files
                      (list (projectile-completing-read
                             "File to look at headings from: "
                             (projectile-all-project-files))))
            :candidate-number-limit 99999
            :buffer "*helm org inbuffer*"))
    ;; helm zsh source history
    (defvar helm-c-source-zsh-history
      '((name . "Zsh History")
        (candidates . helm-c-zsh-history-set-candidates)
        (action . (("Execute Command" . helm-c-zsh-history-action)))
        (volatile)
        (requires-pattern . 3)
        (delayed)))
    (defun helm-c-zsh-history-set-candidates (&optional request-prefix)
      (let ((pattern (replace-regexp-in-string
                      " " ".*"
                      (or (and request-prefix
                               (concat request-prefix
                                       " " helm-pattern))
                          helm-pattern))))
        (with-current-buffer (find-file-noselect "~/.zsh_history" t t)
          (auto-revert-mode -1)
          (goto-char (point-max))
          (loop for pos = (re-search-backward pattern nil t)
                while pos
                collect (replace-regexp-in-string
                         "\\`:.+?;" ""
                         (buffer-substring (line-beginning-position)
                                           (line-end-position)))))))

    (defun helm-c-zsh-history-action (candidate)
      (async-shell-command candidate))

    (defun helm-command-from-zsh ()
      (interactive)
      (require 'helm)
      (helm-other-buffer 'helm-c-source-zsh-history "*helm zsh history*"))

    (use-package helm-descbinds
      :demand t
      :config (helm-descbinds-mode 1)
      :ensure t)
    (helm-mode 1)
    (diminish 'helm-mode)))

(use-package helm-swoop
  :ensure t
  :bind ("C-S-s" . helm-swoop)
  :commands helm-swoop)

(use-package perspective
  :ensure t
  :demand t
  :config
  (progn
    (persp-mode)
    (defun persp-get-perspectives-for-buffer (buffer)
      "Get the names of all of the perspectives of which `buffer` is a member."
      (cl-loop for perspective being the hash-value of perspectives-hash
               if (member buffer (persp-buffers perspective))
               collect (persp-name perspective)))

    (defun persp-pick-perspective-by-buffer (buffer)
  "Select a buffer and go to the perspective to which that buffer
belongs. If the buffer belongs to more than one perspective
completion will be used to pick the perspective to switch to.
Switch the focus to the window in which said buffer is displayed
if such a window exists. Otherwise display the buffer in whatever
window is active in the perspective."
  (interactive (list (funcall persp-interactive-completion-function
                              "Buffer: " (mapcar 'buffer-name (buffer-list)))))
  (let* ((perspectives (persp-get-perspectives-for-buffer (get-buffer buffer)))
         (perspective (if (> (length perspectives) 1)
                          (funcall persp-interactive-completion-function
                                   (format "Select the perspective in which you would like to visit %s."
                                           buffer)
                                   perspectives)
                                   (car perspectives))))
    (if (string= (persp-name persp-curr) perspective)
        ;; This allows the opening of a single buffer in more than one window
        ;; in a single perspective.
        (switch-to-buffer buffer)
      (progn
          (persp-switch perspective)
          (if (get-buffer-window buffer)
              (set-frame-selected-window nil (get-buffer-window buffer))
            (switch-to-buffer buffer))))))

    (defun persp-mode-switch-buffers (arg)
      (interactive "P")
      (if arg (call-interactively 'ido-switch-buffer)
        (call-interactively 'persp-pick-perspective-by-buffer)))

    (define-key persp-mode-map (kbd "C-x b") 'persp-mode-switch-buffers))
  :bind ("C-c 9" . persp-switch))

(use-package projectile
  :ensure t
  :demand t
  :config
  (progn
    (defun projectile-make-all-subdirs-projects (directory)
      (cl-loop for file-info in (directory-files-and-attributes directory)
               do (when (nth 1 file-info)
                    (write-region "" nil
                                  (expand-file-name
                                   (concat directory "/"
                                           (nth 0 file-info) "/.projectile"))))))
    (setq helm-ag-always-set-extra-option nil)
    (defun imalison:do-ag (&optional arg)
      (interactive "P")
      (if arg (helm-do-ag) (helm-projectile-ag)))
    (projectile-global-mode)
    (setq projectile-enable-caching t)
    (setq projectile-completion-system 'helm)
    (helm-projectile-on)
    (diminish 'projectile-mode)
    (unbind-key "C-c p S" projectile-command-map)
    (unbind-key "C-c p s a" projectile-command-map)
    (unbind-key "C-c p s g" projectile-command-map)
    (unbind-key "C-c p s s" projectile-command-map)
    (unbind-key "C-c p s" projectile-command-map)
    (unbind-key "C-c p f" projectile-command-map)
    (bind-key* "C-c p s" 'imalison:do-ag)
    (bind-key* "C-c p f" 'imalison:projectile-find-file)
    (defun imalison:projectile-find-file (arg)
          (interactive "P")
          (if arg
              (projectile-find-file-other-window)
              (projectile-find-file))))
  :bind (("C-x f" . projectile-find-file-in-known-projects)
         ("C-c p f" . imalison:projectile-find-file))
  :init
  (progn
    (use-package persp-projectile
      :ensure t
      :commands projectile-persp-switch-project)))

(use-package helm-projectile
  :ensure t
  :commands (helm-projectile-on)
  :config
  (progn
    (helm-delete-action-from-source "Search in Project" helm-source-projectile-projects)
    (defun imalison:switch-to-project-and-search (dir)
      (let ((default-directory dir)
            (projectile-require-project-root nil)
            (helm-action-buffer "this-buffer-should-not-exist"))
        (helm-projectile-ag)))
    (helm-add-action-to-source "Search in Project"
                               'imalison:switch-to-project-and-search
                               helm-source-projectile-projects)))

(use-package smex
  :ensure t
  ;; Using helm-M-x instead
  :disabled t
  :commands smex
  ;; This is here because smex feels like part of ido
  :bind ("M-x" . smex))

(use-package ido
  :ensure t
  :commands ido-mode
  :config
  (progn
    (setq ido-auto-merge-work-directories-length -1)
    (setq ido-use-filename-at-point nil)
    (setq ido-create-new-buffer 'always)
    (ido-everywhere 1)
    (setq ido-enable-flex-matching t)
    (use-package flx :ensure t)
    (use-package flx-ido
      :commands flx-ido-mode
      :ensure t
      :init (flx-ido-mode 1)
      :config
      (progn
        ;; disable ido faces to see flx highlights.
        ;; This makes flx-ido much faster.
        (setq gc-cons-threshold 20000000)
        (setq ido-use-faces nil)))
    (use-package ido-ubiquitous
      :ensure t
      :disabled t
      :commands (ido-ubiquitous-mode))
    (use-package ido-vertical-mode
      :ensure t
      :config
      (progn
        (ido-vertical-mode 1)
        (setq ido-vertical-define-keys 'C-n-C-p-up-and-down)))
    (use-package flx-ido :ensure t)))


(when (or (and (boundp 'use-ido) use-ido) (not (boundp 'use-ido))) (ido-mode 1))

;; =============================================================================
;;                                                                         elisp
;; =============================================================================

(setq edebug-trace t)

(use-package macrostep :ensure t)

(use-package paredit
  :ensure t)

(use-package elisp-slime-nav
  :ensure t
  :commands elisp-slime-nav-mode
  :config
  (diminish 'elisp-slime-nav-mode)
  :init
  (add-hook 'emacs-lisp-mode-hook (lambda () (elisp-slime-nav-mode t))))


(defun imenu-elisp-sections ()
  (setq imenu-prev-index-position-function nil)
  (setq imenu-space-replacement nil)
  (add-to-list 'imenu-generic-expression
               `("Package"
                 ,"(use-package \\(.+\\)$" 1))
  (add-to-list 'imenu-generic-expression
               `("Section"
                 ,(concat ";\\{1,4\\} =\\{10,80\\}\n;\\{1,4\\} \\{10,80\\}"
                          "\\(.+\\)$") 1) t))

(put 'use-package 'lisp-indent-function 1) ;; reduce indentation for use-package
(add-hook 'emacs-lisp-mode-hook 'imenu-elisp-sections)
(add-hook 'emacs-lisp-mode-hook 'flatten-current-imenu-index-function)
(add-hook 'emacs-lisp-mode-hook (lambda ()
                                  (setq indent-tabs-mode nil)
                                  (setq show-trailing-whitespace t)))
(define-key lisp-mode-shared-map (kbd "C-c C-c") 'eval-defun)
(define-key lisp-mode-shared-map (kbd "C-c C-r") 'eval-and-replace)
(define-key lisp-mode-shared-map (kbd "C-c o r") 'up-list-region)
(define-key lisp-mode-shared-map (kbd "C-c o o") 'up-list-back)
(define-key lisp-mode-shared-map (kbd "C-x C-e") 'eval-region-or-last-sexp)
(unbind-key "C-j" lisp-interaction-mode-map)

;; =============================================================================
;;                                                                        Python
;; =============================================================================

(defvar use-python-tabs nil)

(defun python-tabs ()
  (setq tab-width 4 indent-tabs-mode t python-indent-offset 4))

(defun add-virtual-envs-to-jedi-server ()
  (let ((virtual-envs (get-virtual-envs)))
    (when virtual-envs (set (make-local-variable 'jedi:server-args)
                            (make-virtualenv-args virtual-envs)))))

(defun make-virtualenv-args (virtual-envs)
  (apply #'append (mapcar (lambda (env) `("-v" ,env)) virtual-envs)))

(defun imalison:project-root-or-current-directory ()
  (if (projectile-project-p)
      (projectile-project-root) (if (buffer-file-name) (file-name-directory (buffer-file-name)))))

(defun get-virtual-envs ()
  (let ((project-root (imalison:project-root-or-current-directory)))
    (when project-root
      (condition-case ex
          (cl-remove-if-not 'file-exists-p
                            (mapcar (lambda (env-suffix)
                                      (concat project-root env-suffix))
                                    '(".tox/py27/" "env/" ".tox/venv/")))
        ('error
         (message (format "Caught exception: [%s]" ex))
         (setq retval (cons 'exception (list ex))))
        nil))))

(defun message-virtual-envs ()
  (interactive)
  (message "%s" (get-virtual-envs)))

(use-package elpy
  :ensure t
  :commands elpy-enable
  :config
  (progn
    (elpy-enable)
    (unbind-key "M-*" elpy-mode-map)
    (bind-key "M-," 'pop-tag-mark elpy-mode-map)))

(use-package company-jedi
  :commands company-jedi
  :ensure t)

(use-package python
  :commands python-mode
  :mode ("\\.py\\'" . python-mode)
  :config
  (progn
    (fset 'main "if __name__ == '__main__':")
    (fset 'sphinx-class ":class:`~")
  :init
  (progn
    (use-package pymacs :ensure t)
    (use-package sphinx-doc :ensure t)
    (defun imalison:python-mode ()
      (setq show-trailing-whitespace t)
      (if use-python-tabs (python-tabs))
      (subword-mode t)
      (elpy-mode)
      (imalison:make-imenu-index-flat)
      ;; Will this work with elpy. Seems like elpy has its own
      ;; mechanism for handling this
      ;; (add-virtual-envs-to-jedi-server)
      (remove-hook 'completion-at-point-functions
                   'python-completion-complete-at-point 'local)
      (add-to-list 'company-backends 'company-jedi))
    (add-hook 'python-mode-hook #'imalison:python-mode))))

;; =============================================================================
;;                                                                         Scala
;; =============================================================================

(use-package scala-mode2
  :config
  (progn
    (use-package ensime
      :ensure t
      :config
      (progn
        (add-hook 'scala-mode-hook 'ensime-scala-mode-hook)
        (defun guide-key/scala-mode-hook ()
          (guide-key/add-local-guide-key-sequence "C-c C-v"))
        (add-hook 'scala-mode-hook 'guide-key/scala-mode-hook)))
    (setq scala-indent:align-parameters t))
  :mode (("\\.scala\\'" . scala-mode)
         ("\\.sc\\'" . scala-mode))
  :ensure t)

;; =============================================================================
;;                                                                          Java
;; =============================================================================

(add-hook 'java-mode-hook (lambda ()
                            (setq c-basic-offset 4
                                  tab-width 4
                                  indent-tabs-mode t)))

(use-package android-mode
  :ensure t
  :config
  (progn
    (setq android-mode-sdk-dir
          (s-trim (shell-command-to-string "android_sdk_directory")))))

(use-package gradle-mode :ensure t)

;; =============================================================================
;;                                                                    JavaScript
;; =============================================================================

(defun tape-onlyify ()
  (interactive)
  (save-excursion
    (move-end-of-line nil)
    (re-search-backward "^test")
    (forward-sexp)
    (if (looking-at ".only") (progn (zap-to-char 1 (string-to-char "(")) (insert "("))
      (insert ".only"))))

(use-package js2-mode
  :ensure t
  :commands (js2-mode)
  :mode "\\.js\\'"
  :bind
  (("C-c b" . web-beautify-js))
  :init
  (progn
    (setq imalison:identifier-count 0)
    (defun imalison:console-log-unique ()
      (interactive)
      (let* ((identifier-string (int-to-string imalison:identifier-count))
             (uuid (imalison:uuid)))
      (insert (format "console.log('%s//////////%s//////////');" identifier-string uuid))
      (setq imalison:identifier-count (+ imalison:identifier-count 1))))
    (setq js2-bounce-indent-p nil
          js2-basic-offset 4
          js2-indent-level 4
          js2-basic-offset 4
          js2-highlight-level 3
          js2-include-node-externs t
          js2-mode-show-parse-errors nil
          js2-mode-show-strict-warnings nil)
    ;; jshint-configuration-path "~/Uber/dispatch"
    (add-hook 'js-mode-hook 'js2-minor-mode)
    (add-hook 'js2-mode-hook (lambda () (tern-mode t)))
    (add-hook 'js2-mode-hook 'skewer-mode)
    (add-hook 'js2-mode-hook (lambda () (setq js-indent-level 4
                                              indent-tabs-mode nil
                                              js2-indent-level 4
                                              js2-basic-offset 4
                                              js2-indent-switch-body t)))
    (add-hook 'js2-mode-hook (lambda ()
                               (setq imenu-create-index-function
                                     (lambda ()
                                       (imalison:flatten-imenu-index
                                        (js2-mode-create-imenu-index))))))
    (add-hook 'js2-mode-hook 'js2-imenu-extras-mode)))

(use-package js2-refactor
  :ensure t
  :config
  (progn
    (js2r-add-keybindings-with-prefix "C-c C-m")
    (add-hook 'js2-mode-hook #'js2-refactor-mode)))

(use-package skewer-mode
  :ensure t
  :commands skewer-mode
  :config
  (progn
    (add-hook 'css-mode-hook #'skewer-css-mode)
    (add-hook 'html-mode-hook #'skewer-html-mode)))

(use-package tern
  :commands tern-mode
  :ensure t
  :config
  (use-package company-tern
    :config (add-to-list 'company-backends 'company-tern)))

(defun delete-tern-process ()
  (interactive)
  (delete-process "tern"))

(use-package json-mode
  :ensure t
  :mode "\\.json\\'"
  :init
  (add-hook 'json-mode-hook
            (lambda ()
              (setq indent-tabs-mode nil)
              (setq js-indent-level 4))))

(eval-after-load 'css-mode
  '(define-key css-mode-map (kbd "C-c b") 'web-beautify-css))

;; =============================================================================
;;                                                                          Ruby
;; =============================================================================

(use-package robe
  :ensure t
  :commands robe-mode
  :init
  (progn (add-hook 'ruby-mode-hook
                   (lambda () (robe-mode)))))

(use-package rinari :ensure t)

;; =============================================================================
;;                                                                         C/C++
;; =============================================================================

;; XXX: None of this looks ruby related. Why is this here?
(setq-default c-basic-offset 4
              tab-width 4
              indent-tabs-mode t)

(use-package helm-gtags
  :ensure t
  :disabled t
  :config (custom-set-variables
           '(helm-gtags-path-style 'relative)
           '(helm-gtags-ignore-case t)
           '(helm-gtags-auto-update t))
  :bind
  (("M-t" . helm-gtags-find-tag)
   ("M-r" . helm-gtags-find-rtag)
   ("M-s" . helm-gtags-find-symbol)
   ("C-c <" . helm-gtags-previous-history)
   ("C-c >" . helm-gtags-next-history))
  :init
  (progn
    ;;; Enable helm-gtags-mode
    (add-hook 'c-mode-hook 'helm-gtags-mode)
    (add-hook 'c++-mode-hook 'helm-gtags-mode)
    (add-hook 'asm-mode-hook 'helm-gtags-mode)))

;; =============================================================================
;;                                                                           TeX
;; =============================================================================

(defun guess-TeX-master (filename)
  "Guess the master file for FILENAME from currently open .tex files."
  (let ((candidate nil)
        (filename (file-name-nondirectory filename)))
    (save-excursion
      (dolist (buffer (buffer-list))
        (with-current-buffer buffer
          (let ((name (buffer-name))
                (file buffer-file-name))
            (if (and file (string-match "\\.tex$" file))
                (progn
                  (goto-char (point-min))
                  (if (re-search-forward
                       (concat "\\\\input{" filename "}") nil t)
                      (setq candidate file))
                  (if (re-search-forward
                       "\\\\include{" (file-name-sans-extension filename) "}"
                       nil t)
                      (setq candidate file))))))))
    (if candidate
        (message "TeX master document: %s" (file-name-nondirectory candidate)))
    candidate))

(defun set-TeX-master ()
    (setq TeX-master (guess-TeX-master (buffer-file-name))))

(use-package tex
  :ensure auctex
  :commands TeX-mode
  :config
  (progn
    (add-hook 'TeX-mode-hook 'set-TeX-master)
    (unbind-key "C-j" LaTeX-mode-map)
    (unbind-key "C-j" TeX-mode-map)
    (setq TeX-auto-save t)
    (setq TeX-parse-self t)
    (setq TeX-save-query nil)
    (setq TeX-PDF-mode t)
    (TeX-global-PDF-mode t)
    (setq-default TeX-master nil)))

;; =============================================================================
;;                                                                   other modes
;; =============================================================================

(use-package go-mode
  :ensure t
  :mode (("\\.go\\'" . go-mode)))

(use-package rust-mode :ensure t
  :mode (("\\.rs\\'" . rust-mode)))

(use-package yaml-mode :ensure t
  :mode (("\\.yaml\\'" . yaml-mode)
         ("\\.yml\\'" . yaml-mode)))

(use-package sgml-mode
  :ensure t
  :commands sgml-mode
  :bind ("C-c b" . web-beautify-html))

(use-package gitconfig-mode
  :ensure t
  :mode "\\.?gitconfig\\'")

(use-package evil :ensure t :commands (evil-mode))

;; =============================================================================
;;                                                           Custom Key Bindings
;; =============================================================================

;; Miscellaneous
(global-unset-key (kbd "C-o")) ;; Avoid collision with tmux binding.
(bind-key "M-q" 'fill-or-unfill-paragraph)
(bind-key "C-c C-s" 'sudo-edit)
(bind-key "C-c SPC"
          (lambda () (interactive)
            (if current-prefix-arg (helm-global-mark-ring) (helm-mark-ring))))
(bind-key "C-c e" 'os-copy)
(bind-key "C-x p" 'pop-to-mark-command)
(setq set-mark-command-repeat-pop t)
(bind-key "C-x C-b" 'buffer-menu)
(bind-key "C-x C-c" 'kill-emacs)
(bind-key "C-x C-i" 'imenu)
(bind-key "C-x C-r" (lambda () (interactive) (revert-buffer t t)))
(bind-key "C-x O" (lambda () (interactive) (other-window -1)))
(bind-key "C-x w" 'whitespace-mode)
(bind-key "M-n" 'forward-paragraph)
(bind-key "M-p" 'backward-paragraph)
(bind-key "C-M-<backspace>" 'backward-kill-sexp)
(bind-key "s-<return>" 'toggle-frame-fullscreen)
(bind-key "M-|" 'imalison:shell-command-on-region)
(bind-key "C--" 'undo)

(fset 'global-set-key-to-use-package
      (lambda (&optional arg) "Keyboard macro." (interactive "p")
        (kmacro-exec-ring-item
         (quote ([1 67108896 19 100 6 23 40 19 41 return
                    backspace 32 46 6 4] 0 "%d")) arg)))

;; =============================================================================
;;                                                                          toys
;; =============================================================================

(use-package hackernews :ensure t :commands hackernews)

;; =============================================================================
;;                                                                    Appearance
;; =============================================================================

(defvar packages-appearance
  '(monokai-theme solarized-theme zenburn-theme base16-theme molokai-theme
    tango-2-theme gotham-theme sublime-themes ansi-color rainbow-delimiters
    ample-theme))

(ensure-packages-installed packages-appearance)

(setq inhibit-startup-screen t)
(blink-cursor-mode -1)

;; make whitespace-mode use just basic coloring
(setq whitespace-style (quote (spaces tabs newline space-mark
                                      tab-mark newline-mark)))
(setq whitespace-display-mappings
      '((space-mark 32 [183] [46])
        (tab-mark 9 [9655 9] [92 9])))

(defun colorize-compilation-buffer ()
  (read-only-mode)
  (ansi-color-apply-on-region (point-min) (point-max))
  (read-only-mode))
(add-hook 'compilation-filter-hook 'colorize-compilation-buffer)

;; =============================================================================
;;                                                                        Themes
;; =============================================================================

(defvar-if-non-existent imalison:dark-themes '(solarized-dark))
(defvar-if-non-existent imalison:light-themes '(solarized-light))
(defvar-if-non-existent imalison:terminal-themes '(solarized-light monokai))
(defvar-if-non-existent imalison:fonts '("Monaco for Powerline-12"))
(defvar imalison:fonts '("Monaco for Powerline-12"))
(unless (boundp 'current-theme) (defvar current-theme))
(setq current-theme nil)

(defun random-choice (choices)
  (nth (random (length choices)) choices))

(defun get-appropriate-theme ()
  (if t ;; (display-graphic-p) why doesn't this work at frame startup?
      (let ((hour
             (string-to-number (format-time-string "%H"))))
        (if (or (< hour 8) (> hour 16))
            (random-choice imalison:dark-themes) (random-choice imalison:light-themes)))
    (random-choice imalison:terminal-themes)))

(defun set-theme ()
  (interactive)
  (let ((appropriate-theme (get-appropriate-theme)))
        (if (eq appropriate-theme current-theme)
            nil
          (progn
            (disable-and-load-theme appropriate-theme t)
            (setq current-theme appropriate-theme)))))

(defun disable-all-themes ()
  (interactive)
  (mapcar
   (lambda (theme) (unless (s-contains? "smart-mode" (symbol-name theme))
                     (disable-theme theme))) custom-enabled-themes))

(defun disable-and-load-theme (theme &optional no-confirm no-enable)
  (interactive
   (list
    (intern (completing-read "Load custom theme: "
                             (mapcar 'symbol-name
                                     (custom-available-themes))))
    nil nil))
  (disable-all-themes)
  (load-theme theme no-confirm no-enable)
  (set-my-font-for-frame nil))

(defun set-my-font-for-frame (&optional frame)
  (interactive (list nil))
  (condition-case exp
      (set-frame-font (random-choice imalison:fonts) nil t)
    ('error (package-refresh-contents)
            (set-frame-font "Monaco for Powerline-12" nil t) nil)))

(defun remove-fringe-and-hl-line-mode (&rest stuff)
  (if (fboundp 'scroll-bar-mode) (scroll-bar-mode -1))
  (if (fboundp 'tool-bar-mode) (tool-bar-mode -1))
  (if (fboundp 'menu-bar-mode) (menu-bar-mode -1))
  (set-fringe-mode 0)
  (setq linum-format 'dynamic)
  (setq left-margin-width 0)
  (setq hl-line-mode nil)
  (set-my-font-for-frame nil))

(if (emacs24_4-p)
    (advice-add 'load-theme :after #'remove-fringe-and-hl-line-mode)
  (defadvice load-theme (after name activate)
    (remove-fringe-and-hl-line-mode)))

;; This is needed because you can't set the font or theme at daemon start-up.
(add-hook 'after-make-frame-functions
          (lambda (frame)
            (set-theme)
            (remove-fringe-and-hl-line-mode)
            (set-my-font-for-frame)))

(add-to-list 'default-frame-alist
             `(font . ,(random-choice imalison:fonts)))

(when (file-exists-p custom-after-file) (load custom-after-file))

(defvar-if-non-existent imalison:time-of-day-based-theme nil)
;; enable to set theme based on time of day.
(if imalison:time-of-day-based-theme (run-at-time "00:00" 3600 'set-theme))

;; Local Variables:
;; flycheck-disabled-checkers: (emacs-lisp-checkdoc)
;; End: