import { _decorator, Component } from 'cc';

const { ccclass, property } = _decorator;

@ccclass('UmStorageManager')
export class UmStorageManager extends Component {
    static _instance: UmStorageManager;

    private _user_id: string = "";
    static get instance() {
        if (UmStorageManager._instance) {
            return UmStorageManager._instance;
        }

        UmStorageManager._instance = new UmStorageManager();
        UmStorageManager._instance.initData();
        return UmStorageManager._instance;
    }

    initData() {
        this._user_id = this.getUserId();
    }

    getNumberByKey(key: string, default_value: number = 0, isUser: boolean = false): number {
        key = this._convertKey(key, isUser);
        let result = localStorage.getItem(key);
        return result ? Number(result) : default_value;
    }

    public setNumberByKey(key: string, value: number, isUser: boolean = false) {
        key = this._convertKey(key, isUser);
        localStorage.setItem(key, value.toString());
    }

    public getStringByKey(key: string, default_value: string = "", isUser: boolean = false): string {
        key = this._convertKey(key, isUser);
        let result = localStorage.getItem(key);
        return result ? result : default_value;
    }

    public setStringByKey(key: string, value: string, isUser: boolean = false) {
        key = this._convertKey(key, isUser);
        localStorage.setItem(key, value);
    }

    public getBooleanByKey(key: string, default_value: boolean = false, isUser: boolean = false): boolean {
        key = this._convertKey(key, isUser);
        let result = localStorage.getItem(key);
        if (result) {
            return result === "true" ? true : false;
        }
        else {
            return default_value;
        }
    }

    public setBooleanByKey(key: string, value: boolean, isUser: boolean = true) {
        key = this._convertKey(key, isUser);
        localStorage.setItem(key, value ? "true" : "false");
    }

    public removeKey(key: string)
    {
        localStorage.removeItem(key);
    }

    public removeAllKey()
    {
        localStorage.clear();
    }

    private _convertKey(key: string, isUser: boolean): string {
        if (isUser) {
            key = this._user_id + key;
        }
        return key;
    }

    public encrypt(input: string): string {
        return input?.length > 0 ? btoa(new TextEncoder().encode(input).toString()) : "";
    }

    public decrypt(input: string): string {
        return input?.length > 0 ? new TextDecoder().decode(new Uint8Array(atob(input).split(',').map((s: string) => { return Number(s) }))).toString() : "";
    }

    //------- USER ID ----------------------------------
    public setUserId(userId: string) {
        this._user_id = userId;
        localStorage.setItem("user_id", userId);
    }

    public getUserId(): string {
        let result = localStorage.getItem("user_id");
        return result ? result : "";
    }

}