import {
    _decorator,
    CCInteger,
    CCString,
    clamp01,
    Component,
    easing,
    Enum,
    game,
    lerp,
    Node,
    SpriteFrame,
    tween,
    UIOpacity,
} from 'cc';
import GachaBase from '../Base/GachaBase';
import GameEvent from '../Events/GameEvent';
import Singleton from '../Singleton';
import Utils from '../Utilities';
import { EventManger } from './EventManger';

const { ccclass, property } = _decorator;

export enum GachaType {
    FreeReward,
    LuckyWheel,
    LuckyChain,
    FlipCard,
}
Enum(GachaType);

export enum RewardType {
    Oxi,
    Gas,
    Star,
    Shield,
    ScoreX2,
    Magnet,
}
Enum(RewardType);

@ccclass('Gacha')
class Gacha {
    @property(CCString)
    public id: string = '';
    @property({ type: GachaType })
    public type: GachaType = GachaType.FreeReward;
    @property(GachaBase)
    public gacha: GachaBase;
}

@ccclass('RewardConfig')
class RewardConfig {
    @property(CCString)
    public id: string = '';
    @property({ type: RewardType })
    public type: RewardType = RewardType.Oxi;
    @property(SpriteFrame)
    public icon: SpriteFrame;
    @property(CCInteger)
    public quantity: number;
}

@ccclass('GachaManager')
export default class GachaManager extends Singleton<GachaManager>() {
    @property(CCString)
    public gachaId: string;
    @property(UIOpacity)
    private container: UIOpacity;
    @property(Gacha)
    private gachas: Gacha[] = [];
    @property(RewardConfig)
    public rewards: RewardConfig[] = [];

    private _reward: RewardConfig;
    private _showing: boolean = false;
    private _showTimer: number = 0;
    private _idType: string;

    protected onLoad(): void {
        super.onLoad();
        this.container.setNodeActive(false);
    }

    public show(idType: string) {
        game.timeScale = 0;
        this.container.setNodeActive(true);
        this._showTimer = 0;
        this._showing = true;
        this._idType = idType;
    }

    protected update(dt: number): void {
        if (this._showing) {
            this._showTimer += game.deltaTime;
            const k = easing.smooth(clamp01(this._showTimer / 0.2));
            this.container.opacity = lerp(0, 255, k);
            if (k === 1) {
                this._showing = false;
                this.showGacha();
            }
        }
    }

    private showGacha() {
        const gacha = this.gachas.find((gacha) => gacha.id == this._idType);
        gacha.gacha.show();
    }

    public async getReward(): Promise<RewardConfig> {
        this._reward = this.getRandomReward();
        return this._reward;
    }

    public getRewardIndex(reward: RewardConfig): number {
        return this.rewards.indexOf(reward);
    }

    public async gachaDone() {
        console.log(`Gacha reward: ${RewardType[this._reward.type]} quantity: ${this._reward.quantity}`);
        EventManger.instance.emit(GameEvent.GachaReward, [this._reward.type, this._reward.quantity]);
        await Utils.delay(1);
        game.timeScale = 1;
        tween(this.container)
            .to(0.1, { opacity: 0 })
            .call(() => this.container.setNodeActive(false))
            .start();
    }

    public getRandomReward() {
        return this.rewards.getRandom();
    }

    public setReward(id: string) {
        this._reward = this.rewards.find((r) => r.id == id);
        this.gachaDone();
    }
}