/**
 * Notes: APP语音播报
 * @author WJD
 * @version 1.0.0
 * @Date 2022-01-26
 */

// 是否播放中
let isPlaying = false;
// 播放列表
let currentAudio = ['/static/audio/order.mp3'];
// 播放顺序
let playIndex = 0
// 播放器
let audioPlayer = null;
// 平台
let platform = 'iOS';
// 定时器
let timer = null;


const voice = {
	// 创建播放器
	init: () => {
		platform = plus.os.name;
		if (platform == 'Android') {
			let MediaPlayer = plus.android.importClass("android.media.MediaPlayer");
			audioPlayer = new MediaPlayer()
		}
		if (platform == "iOS") {
			let AVAudioPlayer = plus.ios.importClass("AVAudioPlayer");
			audioPlayer = new AVAudioPlayer();
		}
		console.log('创建播放器成功');
		voice.playAudio();
	},

	// 重置播放列表
	resetPlayList: () => {
		playIndex = 0;
		currentAudio = ['/static/audio/order.mp3'];
	},
	clearTimer: () => {
		if (timer) {
			clearInterval(timer);
			timer = null;
		}

	},
	// 播放音频
	playAudio: () => {

		if (isPlaying) {
			console.log('播放中，请等待...')
			return false;
		}
		if (audioPlayer == null) {
			console.log('未启动音频播放器');
			return false;
		}

		let audioList = currentAudio;
          // voice.resetPlayList();
		// if (currentAudio.length == 0) {
		// 	const keys = Object.keys(audioList)
		// 	console.log(audioList)
		// 	if (keys.length) {
		// 		currentAudio = Object.values(audioList)[0]
		// 		delete audioList[keys[0]]
		// 		playIndex = 0
		// 	} else {
		// 		voice.resetPlayList();
		// 	}
		// }
		console.log('正在播报：', currentAudio[playIndex]);
		let path = plus.io.convertLocalFileSystemURL(currentAudio[playIndex]);
		let currentTime = 0; // 当前流媒体的播放的位置，单位是秒
		let currentDuration = 0; // 当前文件时长
		if (platform == 'iOS') {
			let NSData = plus.ios.importClass("NSData");
			let AVAudioPlayer = plus.ios.importClass("AVAudioPlayer");
			let pathFileData = NSData.dataWithContentsOfFile(path);
			audioPlayer.initWithDataerror(pathFileData, null);
			// audioPlayer.setNumberOfLoops(-1); //-1：无限循环   
			audioPlayer.prepareToPlay(); //初始化播放器  
			audioPlayer.play();
			isPlaying = audioPlayer.isPlaying();
			// 当前播放进度 currentTime 秒
		} else {
			let MediaPlayer = plus.android.importClass("android.media.MediaPlayer");
			audioPlayer.setDataSource(path); //指定音频文件路径  
			// audioPlayer.setLooping(true); //设置为循环播放  
			audioPlayer.prepare(); //初始化播放器MediaPlayer  
			audioPlayer.start();
			isPlaying = audioPlayer.isPlaying();
			// 获取音乐的总时长  
			console.log(isPlaying, audioPlayer.getDuration());
			// 当前播放进度  getCurrentPosition 毫秒
		}
		
		timer = setInterval(function() {
			currentTime = platform == 'iOS' ? audioPlayer.currentTime() : audioPlayer
				.getCurrentPosition() / 1000;
			currentDuration = platform == 'iOS' ? audioPlayer.duration() : audioPlayer
				.getDuration() / 1000;
			// console.log(currentTime, currentDuration)
			if (currentTime == currentDuration || currentTime == 0) {
				isPlaying = false;
				voice.clearTimer();
				if (playIndex < currentAudio.length - 1) {
					playIndex++
				} else {
					currentAudio = [];
					playIndex = 0;
				}
				if (Object.keys(audioList).length == 0 && currentAudio.length == 0) {
					voice.resetPlayList();
				}
				// voice.playAudio();
			}
		}, 200);
	}
}

export default voice