import {director, sys} from "cc";
import {configDataKey, ELanguage} from "../component/Enums";
import {areanMgr} from "db://assets/module_arean/scripts/AreanManager";
import {EventName} from "db://assets/core_tgx/easy_ui_framework/EventName";

export default class LanguageManager {

    private _languageType:number = 1;
    private static _lang: LanguageManager;
    public static get Instance(): LanguageManager {
        if (!this._lang) {
            this._lang = new LanguageManager();
            let type = sys.localStorage.getItem(configDataKey.Language) || ELanguage.EN;
            if(type){
                this._lang._languageType =  parseInt(type);

            }else{
                this._lang._languageType=1;
            }
        }
        return this._lang;
    }


    /**
     * 语言类型
     * 0:中文
     * 1:英文
     * 2:繁体
     */
    public set languageType(v : number) {
        this._languageType = v;
        director.emit(EventName.update_language);
    }

    public get languageType() : number {
        return this._languageType;
    }




    /**
     *
     * @param key 语言key
     * @returns 语言内容
     */
    public getLanguage(key: string): string {
        return areanMgr.cfgMgr.languageData.getCurLanguageData(key);
        // let str = Language[key];
        // if(str=='' || str==undefined){
        //     return key;
        // }
        // return str[this._languageType];
    }

    /**
     * 获取动态组合语言
     * @param key 语言key
     * @param args 格式化参数
     * @returns
     */
    public getLanguageByParam(key: string, ...args: any[]){
        let _key = this.getLanguage(key) || key;
        //@ts-ignore
        String.prototype.format = function () {
            if (arguments.length == 0) {
                return _key;
            }
            for (let i = 0; i < args.length; i++) {
                // key = key.replace(new RegExp("\\{"+i+"\\}","g"), args[i]);
                _key = _key.replace(new RegExp("\\%" + "[a-z]", "m"), args[i]);
            }
            return _key;
        };
        return "";
    }



}
export const LanguageMgr = LanguageManager.Instance;