import InstanceT from "../ExUtils/InstanceT";

/**
 * 关键资源点名字枚举
 */
export enum EKeyResName {
    /**预制体路径 */
    HttpUrl = '',
    /**CSV配置表目录 */
    ConfigCsv = 'ConfigCsv',
    /**Json配置表目录 */
    ConfigJson = 'ConfigJson',
    /**预制体 */
    Prefabs = 'Prefabs',
    /**UI预制体 */
    UIPrefabs = 'UIPrefabs',
    /**UI子预制体 */
    UIChildPrefabs = 'UIChildPrefabs',
    /**spine动画文件 */
    Spine = 'Spine',
    /**图片文件 */
    Texture = 'Texture',
    /**图集 */
    Atlas = "Atlas",
    /** 字体目录 */
    Font = 'Font',
    /** 音效文件目录 */
    Sound = 'Sound',
    /**视频 */
    Video = 'Video',
}


/**
 * 关键资源点列表管理器
 */
@InstanceT.DecorateInstance()
export default class KeyResManager {
    /** 单例 */
    private static readonly instance: KeyResManager;

    //关键资源列表
    private m_KeyResList: { [index: string]: string } = {};
    //
    private constructor() {
        //注册关键资源目录
        this.m_KeyResList = {
            [EKeyResName.HttpUrl]: EKeyResName.HttpUrl + '/',
            [EKeyResName.ConfigCsv]: EKeyResName.HttpUrl + EKeyResName.ConfigCsv + '/',
            [EKeyResName.ConfigJson]: EKeyResName.HttpUrl + EKeyResName.ConfigJson + '/',
            [EKeyResName.Prefabs]: EKeyResName.HttpUrl + EKeyResName.Prefabs + '/',
            [EKeyResName.UIPrefabs]: EKeyResName.HttpUrl + EKeyResName.UIPrefabs + '/',
            [EKeyResName.UIChildPrefabs]: EKeyResName.HttpUrl + EKeyResName.UIChildPrefabs + '/',
            [EKeyResName.Spine]: EKeyResName.HttpUrl + EKeyResName.Spine + '/',
            [EKeyResName.Texture]: EKeyResName.HttpUrl + EKeyResName.Texture + '/',
            [EKeyResName.Atlas]: EKeyResName.HttpUrl + EKeyResName.Atlas + '/',
            [EKeyResName.Sound]: EKeyResName.HttpUrl + EKeyResName.Sound + "/",
            [EKeyResName.Font]: EKeyResName.HttpUrl + EKeyResName.Font + '/',
            [EKeyResName.Video]: EKeyResName.HttpUrl + EKeyResName.Video + "/",
        };
    };

    /**
     * 判断是否存在某个关键点key
     * @param _key 关键点key
     */
    public static ifKeyRes(_key: string): boolean {
        return Object.keys(this.instance.m_KeyResList).findIndex((item) => {
            return item == _key;
        }) != -1;
    }

    /**
     * 获取一个关键点资源的路径
     * @param _key 关键点key
     */
    public static getResURL(_key: string): string {
        return this.instance.m_KeyResList[_key];
    }

    /**
     * 动态添加关键路径
     * @param _key 关键值
     * @param _string 路径
     */
    public static addResUrl(_key: string, _string: string) {
        this.instance.m_KeyResList[_key] = _string;
    }
    
}