import { _EJsonRes } from "../Data/CommonDataType";
import { EventName } from "../Event/EventName";
import EventManager from "../Event/EventManager";
import Tool from "../Tool/Tool";

/**
 * 音频资源 - 数据层
 */
export default class AudioResources {

    /**资源列表 */
    private static resources: Map<string, any> = new Map<string, any>();
    /**资源包 */
    private static bundle: cc.AssetManager.Bundle = null;

    /**加载音频资源 */
    public static loadAudioResources (audioRes: Array<string>, denominator: number, currentProgress: number, callback: Function) {
        Tool.log("加载音频资源");

        let complete = () => {
            Tool.log(this.resources);
            Tool.log("加载完毕");
            Tool.log("");

            if (callback == null) {
                // 发送初始加载完成 本地消息
                EventManager.sendEvent(EventName.Res.Res_LoadComplete);
            }
            else {
                callback();
            }
        }

        if (audioRes.length == 0) {
            complete();
        }
        else {
            cc.assetManager.loadBundle("res/audio", (err: Error, audio: cc.AssetManager.Bundle) => {
                this.bundle = audio;
                audio.load(audioRes, cc.Asset, (finish: number, total: number, item: cc.AssetManager.RequestItem) => {
                    // 发送初始加载进度 本地消息
                    EventManager.sendEvent(EventName.Res.Res_LoadProgress, (finish/total)*denominator + currentProgress);
                }, (err, assets: Array<cc.Asset>) => {
                    Tool.log(err);
                    
                    for (let index in assets) {
                        this.resources.set(assets[index].name, assets[index]);
                    }
    
                    complete();
                });
            });
        }
    }

    /**获得Audio资源 */
    public static getResources (name: string): any {
        let _name: string = name;
        if (name.includes("/") == true) {
            _name = name.substring(name.indexOf("/")+1);
        }
        
        if (this.resources.get(_name) != null) {
            return this.resources.get(_name);
        }
        else {
            return this.bundle.get(_name);
        }
    }
}