import { CameraRoll } from "@react-native-camera-roll/camera-roll";
import React, { useCallback, useRef, useState } from "react";
import {
	StyleProp,
	StyleSheet,
	TouchableOpacity,
	View,
	ViewStyle,
} from "react-native";
// @ts-ignore
import { Camera } from "react-native-vision-camera/lib/typescript/Camera";
// @ts-ignore
import { VideoFile } from "react-native-vision-camera/lib/typescript/VideoFile";

interface RecordingButtonProps {
	style: StyleProp<ViewStyle>;
	camera: React.RefObject<Camera>;
	// eslint-disable-next-line no-unused-vars
	onMediaCaptured: (media: VideoFile, mediaType: string) => void;
	enabled: boolean;
}

export const RecordingButton: React.FC<RecordingButtonProps> = ({
	style,
	camera,
	onMediaCaptured,
	enabled,
}) => {
	const isRecording = useRef(false);
	// UseRef won't trigger a re-render
	const [, setRecordingState] = useState(false);

	const onStoppedRecording = useCallback(() => {
		isRecording.current = false;
		setRecordingState(false);
		console.log("stopped recording video!");
	}, []);

	const stopRecording = useCallback(async () => {
		try {
			if (camera.current === null) {
				throw new Error("Camera ref is null!"); // Error handling could be more graceful
			}
			console.log("calling stopRecording()...");
			await camera.current.stopRecording();
			console.log("called stopRecording()!");
		} catch (e) {
			console.error("failed to stop recording!", e);
		}
	}, [camera]);

	const startRecording = useCallback(() => {
		try {
			if (camera.current === null) {
				throw new Error("Camera ref is null!"); // Error handling could be more graceful
			}
			console.log("calling startRecording()...");
			camera.current.startRecording({
				onRecordingError: (error) => {
					console.error("Recording failed!", error);
					onStoppedRecording();
				},
				onRecordingFinished: async (video) => {
					onMediaCaptured(video, "video");
					const path = video.path;
					await CameraRoll.saveAsset(`file://${path}`, {
						type: "video",
					});
					onStoppedRecording();
				},
			});
			console.log("called startRecording()!");
			isRecording.current = true;
			setRecordingState(true);
		} catch (e) {
			console.error("failed to start recording!", e, "camera");
		}
	}, [camera, onMediaCaptured, onStoppedRecording]);

	const handlePress = () => {
		if (isRecording.current) {
			stopRecording();
		} else {
			startRecording();
		}
	};

	return (
		<TouchableOpacity
			style={[styles.captureButton, style]}
			onPress={handlePress}
			disabled={!enabled}
		>
			<View
				style={
					isRecording.current ? styles.recordingSquare : styles.innerCircle
				}
			/>
		</TouchableOpacity>
	);
};

const styles = StyleSheet.create({
	captureButton: {
		height: 80,
		width: 80,
		borderRadius: 40,
		borderWidth: 3,
		borderColor: "white",
		backgroundColor: "transparent",
		justifyContent: "center",
		alignItems: "center",
	},
	innerCircle: {
		height: 70,
		width: 70,
		borderRadius: 35,
		backgroundColor: "#FF3B30",
	},
	recordingSquare: {
		height: 40,
		width: 40,
		borderRadius: 10,
		backgroundColor: "#FF3B30",
	},
});

export default RecordingButton;