//本地数据管理
import EventName from "./EventName/EventName";
import { Global } from "./Global";


export default class LocalData {
    private static _instance: LocalData = null;
    public static getInstance() {
        if (!this._instance) {
            this._instance = new LocalData();
            this._instance.init();
        }
        return this._instance;
    }
    private readonly $localkey: string = "柑橘味";
    //玩家金币
    private $goldnum: number = Global.defaultGold;
    //玩家最高纪录
    private $MaxRecord: number = Global.defaultMaxRecord;

    //拥有的抛物线皮肤
    private $HasParabolaSkin: number[] = Global.defaultParabolaSkin;
    ///拥有的人物皮肤
    private $HasCharacterSkin: number[] = Global.defaultCharacterSkin;

    ///当前使用的人物皮肤
    private $useParabolaSkin: number = Global.useParabolaSkin;
    ///当前使用的人物皮肤
    private $useCharacterSkin: number = Global.useCharacterSkin;

    private $lastLoginTime: number = 0;
    public init() {
        this.load();
        let now = Date.now();
        this.$lastLoginTime = now;
        this.save();

        this.setCurrentParabolaSkin(1001)
    }

    public setGold(num: number, Action: string) {
        this.$goldnum = this.Action(this.$goldnum, num, Action)
        this.save();
        cc.systemEvent.emit(EventName.changeGold);
    }
    public getGold() {
        return this.$goldnum;
    }
    public setMaxRecord(num: number, Action: string) {
        this.$MaxRecord = this.Action(this.$MaxRecord, num, Action)
        this.save();
        cc.systemEvent.emit(EventName.changeMaxRecord);
    }
    public getMaxRecord() {
        return this.$MaxRecord;
    }


    public setHasCharacterSkin(num: number) {
        this.$HasCharacterSkin.push(num)
        this.save();
    }
    public getHasCharacterSkin() {
        return this.$HasCharacterSkin;
    }

    public setHasParabolaSkin(num: number) {
        this.$HasParabolaSkin.push(num)
        this.save();
    }
    public getHasParabolaSkin() {
        return this.$HasParabolaSkin;
    }

    public setCurrentCharacterSkin(num: number) {
        this.$useCharacterSkin = num
        this.save();
    }
    public getCurrentCharacterSkin() {
        return this.$useCharacterSkin;
    }
    public setCurrentParabolaSkin(num: number) {
        this.$useParabolaSkin = num
        this.save();
    }
    public getCurrentParabolaSkin() {
        return this.$useParabolaSkin;
    }

    //保存玩家本地数据
    public save() {
        let data: any = {};
        for (const key in this) {
            if (Object.prototype.hasOwnProperty.call(this, key)) {
                if (key.charAt(0) == '$') {
                    data[key] = this[key];
                }
            }
        }
        cc.sys.localStorage.setItem(this.$localkey, JSON.stringify(data));
    }
    //加载玩家本地数据
    private load() {
        let data = cc.sys.localStorage.getItem(this.$localkey);
        if (data) {
            data = JSON.parse(data);
            for (const key in data) {
                this[key] = data[key];
            }
        }
    }


    private Action(data: number, num: number, str: string) {
        switch (str) {
            case '+':
                return data += num
            case '-':
                return data -= num
            case '=':
                return data = num
            default:
                cc.error('出错了')
                return 0
        }
    }

}