import {
    _decorator,
    Component,
    Node,
    Prefab,
    Vec2,
    Vec3,
    randomRangeInt,
    CCInteger,
    AudioClip,
    Quat,
    game,
    EPhysics2DDrawFlags,
    PhysicsSystem2D,
} from 'cc';
import ObjectPool from '../Pool/ObjectPool';
import { Ball } from '../GamePlay/Ball';
import Utilities from '../Utilities';
import GameState from '../Enum/GameState';
import { EventManger } from './EventManger';
import GameEvent from '../Events/GameEvent';
import ScoreType from '../Enum/ScoreType';
import { FloatingText } from '../Environments/FloatingText';
import { SoundManager } from './SoundManager';
import TimeConfig from '../Enum/TimeConfig';
import BEConnector from '../API/BEConnector';
import BoosterType from '../Enum/BoosterType';
const { ccclass, property } = _decorator;

window.addEventListener('message', (data) => {
    const { data: res } = data;
    const objectRes = Utilities.getJson(res);
    if (objectRes) {
        const { type, value } = objectRes;
        if (type === 'newTicket') {
            BEConnector.instance.numberTicket += value;
            GameManager.instance.gameRelive();
        }
    }
});

ccclass('Booster');
class Booster {
    public type: BoosterType;
    public time: number;
    public runningTime: number = 0;

    constructor(type: BoosterType, time: number) {
        this.type = type;
        this.time = time;
    }
}

@ccclass('GameManager')
export class GameManager extends Component {
    //singleton
    private static _instance: GameManager = null;
    public static get instance(): GameManager {
        return GameManager._instance;
    }

    @property({ type: Prefab, visible: true })
    private _ballPrefab: Prefab;
    @property({ type: Prefab, visible: true })
    private _floatingScoreText: Prefab;
    @property({ type: Node, visible: true })
    private _floatingTextContainer: Node;
    @property({ type: Node, visible: true })
    private _ballHolder: Node;
    @property({ visible: true })
    private _ballSpawnPosition: Vec3;
    @property({ type: CCInteger, visible: true })
    private readonly _timePlay = 3;
    @property({ type: AudioClip, visible: true })
    private _startSound: AudioClip;
    @property({ type: AudioClip, visible: true })
    private _backgroundMusic: AudioClip;

    private _ballPool: ObjectPool;
    private _FloatingScorePool: ObjectPool;
    private _gameState: GameState;
    private _timer: number;
    @property({ type: Booster, visible: true, readonly: true })
    private _boostersActive: Booster[] = [];

    private _score = 0;
    private isReplayed = false;
    private _isMultiBall = false;
    private _currentBallInGame = 0;

    public get score() {
        return this._score;
    }

    protected onLoad(): void {
        GameManager._instance = this;
        this._ballPool = new ObjectPool(this._ballPrefab, 10, true, Ball);
        this._FloatingScorePool = new ObjectPool(this._floatingScoreText, 10, true);
        // PhysicsSystem2D.instance.debugDrawFlags = EPhysics2DDrawFlags.Shape;
    }

    protected start(): void {
        this.changeGameState(GameState.Init);
    }

    protected update(dt: number): void {
        if (this._gameState != GameState.Playing) return;
        this._timer -= dt;
        if (this._timer <= 0) {
            this._timer = 0;
            this.gameOver();
        }

        for (let i = 0; i < this._boostersActive.length; i++) {
            const booster = this._boostersActive[i];
            booster.runningTime += dt;
            if (booster.runningTime >= booster.time) {
                this._boostersActive.splice(i, 1);
                EventManger.instance.emit(GameEvent.BoosterDisable, booster.type);
            }
        }

        EventManger.instance.emit(GameEvent.TimeUpdate, this._timer);
    }

    private async changeGameState(state: GameState) {
        this._gameState = state;
        EventManger.instance.emit(GameEvent.GameStateChange, this._gameState);

        switch (state) {
            case GameState.Init:
                BEConnector.instance.authenticate();
                break;
            case GameState.Playing:
                BEConnector.instance.ticketMinus('auth');
                break;
            case GameState.GameOver:
                break;
            case GameState.End:
                await Utilities.delay(3);
                BEConnector.instance.postScoreToServer(this._score);
                break;
            case GameState.Relive:
                BEConnector.instance.ticketMinus('revive');
                break;
            default:
                throw new Error(`Argument Out Of Range Exception: ${GameState[state]}`);
        }
    }

    public addScore(
        score: number,
        type: ScoreType,
        position: Vec3,
        opts: { scaleMin: number; scaleMax: number; duration: number },
    ) {
        this._score += score;
        const floatingScore = this._FloatingScorePool.get(this._floatingTextContainer, FloatingText);
        floatingScore.show(`+${score}`, position, score >= 100 ? opts.scaleMax : opts.scaleMin, opts.duration);
        EventManger.instance.emit(GameEvent.Score, [this._score, score, type]);
    }

    private setCurrentBallInGame(value: number) {
        this._currentBallInGame += value;
        if (this._currentBallInGame >= 2) {
            if (!this._isMultiBall) {
                this._isMultiBall = true;
                EventManger.instance.emit(GameEvent.MultiBall, true);
            }
        }

        if (this._currentBallInGame <= 0) {
            if (this._isMultiBall) {
                this._isMultiBall = false;
                EventManger.instance.emit(GameEvent.MultiBall, false);
            }
        }
    }

    public spawnBall(throwBall: boolean): Ball {
        if (this._gameState != GameState.Playing) return;
        SoundManager.instance.playSfx(this._startSound);
        this.setCurrentBallInGame(1);
        const ball = this._ballPool.get(this._ballHolder, Ball);
        ball.node.setRotation(Quat.IDENTITY);
        ball.node.setPosition(this._ballSpawnPosition);
        if (!throwBall) return ball;
        let dir = randomRangeInt(-1, 2);
        while (dir == 0) {
            dir = randomRangeInt(-1, 2);
        }
        const force = new Vec2(dir, 1);
        ball.throwBall(force.multiply2f(1, 40));
        return ball;
    }

    public async ballOut() {
        this.setCurrentBallInGame(-1);
        if (this._currentBallInGame <= 0) {
            EventManger.instance.emit(GameEvent.BallOut, null);
            await Utilities.delay(TimeConfig.DelayPLay);
            this.spawnBall(true);
        }
    }

    public async goal(bonusScore: number, position: Vec3) {
        this.addScore(this._isMultiBall ? bonusScore * 2 : bonusScore, ScoreType.Goal, position, {
            scaleMin: 2,
            scaleMax: 3,
            duration: 1,
        });
        this.setCurrentBallInGame(-1);
        if (this._currentBallInGame <= 0) {
            await Utilities.delay(TimeConfig.DelayGoal);
            this.spawnBall(true);
        }
    }

    public async destroyEnvironmentObject(bonusScore: number, position: Vec3, bonusTime?: number) {
        if (bonusScore) {
            this.addScore(bonusScore, ScoreType.DestroyObject, position, {
                scaleMin: 1.5,
                scaleMax: 2,
                duration: 0.7,
            });
            await Utilities.delay(0.3);
        }
        if (bonusTime) {
            this.addTime(bonusTime);
            const floatingScore = this._FloatingScorePool.get(this._floatingTextContainer, FloatingText);
            floatingScore.show(`+${bonusTime}⏰`, position, 1.5);
        }
    }

    public addTime(time: number) {
        this._timer += time;
    }

    public gameOver() {
        if (this.isReplayed) {
            this.changeGameState(GameState.End);
            return;
        }

        this.isReplayed = true;
        this._ballPool.releaseAll();
        this.changeGameState(GameState.GameOver);
    }

    public async play() {
        this._timer = this._timePlay + TimeConfig.DelayPLay;
        this._score = 0;
        this._currentBallInGame = 0;
        this._isMultiBall = false;
        SoundManager.instance.playBGM(this._backgroundMusic, 0.5);
        this.changeGameState(GameState.Playing);
        await Utilities.delay(TimeConfig.DelayPLay);
        this.spawnBall(true);
    }

    public async gameRelive() {
        this.changeGameState(GameState.Relive);
        this._timer = 60 + TimeConfig.DelayPLay;
        this._currentBallInGame = 0;
        this._isMultiBall = false;
        SoundManager.instance.playBGM(this._backgroundMusic, 0.5);
        this.changeGameState(GameState.Playing);
        await Utilities.delay(TimeConfig.DelayPLay);
        this.spawnBall(true);
    }

    public ActiveBooster(type: BoosterType, time: number) {
        //check booster already active
        for (let i = 0; i < this._boostersActive.length; i++) {
            const booster = this._boostersActive[i];
            if (booster.type == type) return;
        }
        this._boostersActive.push(new Booster(type, time));
        EventManger.instance.emit(GameEvent.BoosterActive, type);
    }
}