import {_decorator, AudioClip, AudioSource, Component, Node, resources} from 'cc';
import {LoadUtils} from '../../script/utils/LoadUtils';

const {ccclass, property} = _decorator;

@ccclass('AudioManage')
export class AudioManage extends Component {
    private static _instance: AudioManage;
    private static _audioSource?: AudioSource;

    static get instance() {
        if (this._instance) {
            return this._instance;
        }

        this._instance = new AudioManage();
        return this._instance;
    }

    protected onLoad(): void {
        this.init();
    }

    init() {
        AudioManage._audioSource = this.node.getComponent(AudioSource);
    }


    //播放音乐
    playMusic(loop: boolean = true) {
        const audioSource = AudioManage._audioSource!;

        audioSource.loop = loop;
        if (!audioSource.playing) {
            audioSource.play();
        }
    }

    //暂停音乐
    pauseMusic() {
        const audioSource = AudioManage._audioSource!;
        if (audioSource.playing) {
            audioSource.stop();
        }
    }

    /**
     * 播放音效
     * @param {String} name 音效名称
     * @param {Number} volumeScale 播放音量倍数
     */
    playSound(name: string, volumeScale: number = 1) {
        const audioSource = AudioManage._audioSource!;

        resources.load(name, AudioClip, (err: any, ac) => {
            audioSource.playOneShot(ac, volumeScale);
        });
    }

    setBgVolume(value: number) {
        const audioSource = AudioManage._audioSource!;
        audioSource.volume = value;
    }

    /**
     * 播放音效带回调
     * @param name
     * @param volumeScale
     * @param onEnd
     */
    playSoundCallback(name: string, volumeScale: number = 1, isLoop: boolean = false, onEnd?: Function, callback?: any) {
        const audioSource = AudioManage._audioSource!;
        audioSource.node.off(AudioSource.EventType.ENDED)
        audioSource.node.on(AudioSource.EventType.ENDED, onEnd, callback)
        audioSource.loop = isLoop
        // audioSource.volume = volumeScale
        // resources.load(name, AudioClip, (err: any, ac) => {
        //     if (err) {
        //         console.log(err);
        //     } else {
        //         audioSource.clip = ac
        //         audioSource.play();
        //     }
        // });
        LoadUtils.loadBundleRes("distance", "resources/" + name, (ac) => {
            audioSource.clip = ac
            audioSource.play();
        }, null, AudioClip)
    }
}