import { MovieClipSoundStream } from './MovieClipSoundStream';
import { WaveAudio } from '@awayjs/core';
import { release } from '../base/utilities/Debug';

export class MovieClipSoundsManager {
	private lastFrameNum: number;
	private soundStreamHead: any;
	private _soundStreams: MovieClipSoundStream[];
	private _frameToSoundStream: NumberMap<MovieClipSoundStream>;

	public static frameRate: number = 24;

	private static activeSounds = {};

	public static addActiveSound(sound: WaveAudio) {
		//console.log("start sound with id", sound.id)
		if (!MovieClipSoundsManager.activeSounds[sound.id]) {
			MovieClipSoundsManager.activeSounds[sound.id] = {};
		}
		MovieClipSoundsManager.activeSounds[sound.id].active = true;
		MovieClipSoundsManager.activeSounds[sound.id].sound = sound;
	}

	public static enterFrame() {
		for (const key in MovieClipSoundsManager.activeSounds) {
			//console.log("set sound to inactive", key)
			const sound = MovieClipSoundsManager.activeSounds[key];
			sound.active = false;
		}
	}

	public static exitFrame() {
		for (const key in MovieClipSoundsManager.activeSounds) {
			const sound = MovieClipSoundsManager.activeSounds[key];
			if (!sound.active) {
				//console.log("stop inactive sound", key)
				sound.sound.stop();
				delete MovieClipSoundsManager.activeSounds[key];
			}
		}
	}

	constructor() {
		this.lastFrameNum = -2;
		this._soundStreams = [];
		this._frameToSoundStream = {};

	}

	public initSoundStream(streamInfo: any) {
		this.soundStreamHead = streamInfo;
	}

	public addSoundStreamBlock(frameNum: number, streamBlock: Uint8Array) {
		if (!this.soundStreamHead) {
			release || console.log('can not add soundstreamblock if no soundstreamHead exists');
			return;
		}
		if (this._soundStreams.length == 0 || (frameNum - this.lastFrameNum) > 1) {
			this._soundStreams.push(new MovieClipSoundStream(this.soundStreamHead));
		}
		this.lastFrameNum = frameNum;
		this._soundStreams[this._soundStreams.length - 1].appendBlock(frameNum, streamBlock);
		this._frameToSoundStream[frameNum] = this._soundStreams[this._soundStreams.length - 1];

	}

	public stopStream(frameNum: number) {
		if (!this._frameToSoundStream[frameNum])
			return;
		this._frameToSoundStream[frameNum].stopped = true;
	}

	public resetStreamStopped() {
		for (let i = 0; i < this._soundStreams.length; i++) {
			this._soundStreams[i].stopped = false;
		}
	}

	syncSounds(frameNum: number, isPlaying: boolean, parent: any): number {
		if (isPlaying && parent && this._frameToSoundStream[frameNum] && !this._frameToSoundStream[frameNum].stopped) {
			return this._frameToSoundStream[frameNum].playFrame(frameNum);
		}
		return 0;
	}
}