import React from 'react-native';
import VideoResizeMode from './VideoResizeMode.js';

const {
  Component,
  StyleSheet,
  requireNativeComponent,
  PropTypes,
  NativeModules,
  View,
} = React;

const styles = StyleSheet.create({
  base: {
    overflow: 'hidden',
  },
});

export default class Video extends Component {

  constructor(props, context) {
    super(props, context);
    this.seek = this.seek.bind(this);
    this._assignRoot = this._assignRoot.bind(this);
    this._onLoadStart = this._onLoadStart.bind(this);
    this._onLoad = this._onLoad.bind(this);
    this._onError = this._onError.bind(this);
    this._onProgress = this._onProgress.bind(this);
    this._onSeek = this._onSeek.bind(this);
    this._onEnd = this._onEnd.bind(this);
  }

  setNativeProps(nativeProps) {
    this._root.setNativeProps(nativeProps);
  }

  seek(time) {
    this.setNativeProps({ seek: time });
  }

  _assignRoot(component) {
    this._root = component;
  }

  _onLoadStart(event) {
    if (this.props.onLoadStart) {
      this.props.onLoadStart(event.nativeEvent);
    }
  }

  _onLoad(event) {
    if (this.props.onLoad) {
      this.props.onLoad(event.nativeEvent);
    }
  }

  _onError(event) {
    if (this.props.onError) {
      this.props.onError(event.nativeEvent);
    }
  }

  _onProgress(event) {
    if (this.props.onProgress) {
      this.props.onProgress(event.nativeEvent);
    }
  }

  _onSeek(event) {
    if (this.props.onSeek) {
      this.props.onSeek(event.nativeEvent);
    }
  }

  _onEnd(event) {
    if (this.props.onEnd) {
      this.props.onEnd(event.nativeEvent);
    }
  }

  render() {
    const {
      source,
      resizeMode,
    } = this.props;

    let uri = source.uri;
    if (uri && uri.match(/^\//)) {
      uri = `file://${uri}`;
    }

    const isNetwork = !!(uri && uri.match(/^https?:/));
    const isAsset = !!(uri && uri.match(/^(assets-library|file):/));

    let nativeResizeMode;
    if (resizeMode === VideoResizeMode.stretch) {
      nativeResizeMode = NativeModules.UIManager.RCTVideo.Constants.ScaleToFill;
    } else if (resizeMode === VideoResizeMode.contain) {
      nativeResizeMode = NativeModules.UIManager.RCTVideo.Constants.ScaleAspectFit;
    } else if (resizeMode === VideoResizeMode.cover) {
      nativeResizeMode = NativeModules.UIManager.RCTVideo.Constants.ScaleAspectFill;
    } else {
      nativeResizeMode = NativeModules.UIManager.RCTVideo.Constants.ScaleNone;
    }

    const nativeProps = Object.assign({}, this.props);
    Object.assign(nativeProps, {
      style: [styles.base, nativeProps.style],
      resizeMode: nativeResizeMode,
      src: {
        uri,
        isNetwork,
        isAsset,
        type: source.type || 'mp4',
      },
      onVideoLoadStart: this._onLoadStart,
      onVideoLoad: this._onLoad,
      onVideoError: this._onError,
      onVideoProgress: this._onProgress,
      onVideoSeek: this._onSeek,
      onVideoEnd: this._onEnd,
    });

    return (
      <RCTVideo
        ref={this._assignRoot}
        {...nativeProps}
      />
    );
  }
}

Video.propTypes = {
  /* Native only */
  src: PropTypes.object,
  seek: PropTypes.number,

  /* Wrapper component */
  source: PropTypes.object,
  resizeMode: PropTypes.string,
  repeat: PropTypes.bool,
  paused: PropTypes.bool,
  muted: PropTypes.bool,
  volume: PropTypes.number,
  rate: PropTypes.number,
  controls: PropTypes.bool,
  currentTime: PropTypes.number,
  onLoadStart: PropTypes.func,
  onLoad: PropTypes.func,
  onError: PropTypes.func,
  onProgress: PropTypes.func,
  onSeek: PropTypes.func,
  onEnd: PropTypes.func,

  /* Required by react-native */
  scaleX: React.PropTypes.number,
  scaleY: React.PropTypes.number,
  translateX: React.PropTypes.number,
  translateY: React.PropTypes.number,
  rotation: React.PropTypes.number,
  ...View.propTypes,
};

const RCTVideo = requireNativeComponent('RCTVideo', Video, {
  nativeOnly: {
    src: true,
    seek: true,
  },
});