import { sys, resources, TTFFont, BitmapFont, Font, assetManager } from "cc";
import { Global } from "./Global";
import { EBundleName } from "./const/GameEnum";

export default class Language {
    private constructor() { };
    private static _ins: Language = null;
    static get Ins(): Language {
        if (!this._ins) { this._ins = new Language(); }
        return this._ins;
    }

    static getValue(key, org: string = "", to: string = ""): string {
        return this.Ins.LangugeValue(key, org, to);
    }

    static getValueSound(key) {
        return this.Ins.LangugeValueSound(key);
    }

    private language: string = '';
    private mFont: Font = null;
    InitLanguage(callBack?: Function) {
        this.language = Global.LocalStorage.getItem("game_language");
        this.language = this.language ? this.language : sys.language;
        this.loadFont(callBack);
    }

    /** 加载字体 */
    private loadFont(callBack?: Function) {        
        callBack && callBack();
        // assetManager.loadBundle(EBundleName.Presets, () => {
        //     assetManager.getBundle(EBundleName.Presets).load(this.getFontName(), Font, (err, font: Font) => {
        //         if (!err) {
        //             this.mFont = font;
        //         }
        //         callBack && callBack();
        //     })
        // })
    }

    /** 获取当前的语言 */
    private getLanguge(): string {
        //sys.language;
        return this.language;
    }

    /** 获取多语言配置文件 */
    private getLangugeFile() {

        return 'language/' + this.getLanguge() + '.json';
    }

    /** 获取当前的font字体 */
    private getFontName() {
        //'Font/mimi'//
        return 'Font/zh';
    }

    private getFont() {
        return this.mFont;
    }
    /** 获取多语言 */
    private LangugeValue(key, org: string = "", to: string = ""): string {
        if (!Global.CsvMgr.language_csv[key]) {
            return key;
        }
        const value: string = Global.CsvMgr.language_csv[key][this.getLanguge()];
        if (!value || !value.length) { return key };
        return value.replace(org, to);
    }
    private LangugeValueSound(key) {
        if (Global.CsvMgr.language_csv[key]) {
            return Global.CsvMgr.language_csv[key]["audioName"];
        }
        return null;
    }
}

window["Language"] = Language;