import { _decorator, CCInteger, clamp, Component, lerp, Sprite, Node, tween, Prefab } from 'cc';
import { EventManger } from '../Manager/EventManger';
import GameEvent from '../Events/GameEvent';
import ScoreType from '../Enum/ScoreType';
import Utilities from '../Utilities';
import { GameManager } from '../Manager/GameManager';
import BoosterType from '../Enum/BoosterType';
import { SpawnObjectManager } from '../Manager/SpawnObjectManager';
import ObjectPool from '../Pool/ObjectPool';
const { ccclass, property } = _decorator;

@ccclass('CumulativeBar')
export class CumulativeBar extends Component {
    @property({ type: Sprite, visible: true })
    private _fillBar: Sprite;
    @property({ type: CCInteger, visible: true })
    private _maxValue = 1000;
    @property({ type: Node, visible: true })
    private _scoreUI: Node;
    @property({ type: Prefab, visible: true })
    private _scoreObjectPrefab: Prefab;

    private _pools: ObjectPool;
    private _currentValue = 0;
    private _fillValue = 0;
    private _active = false;
    private _goal = false;
    private _timer = 0;

    protected onLoad(): void {
        this._fillBar.fillRange = 0;
        this._pools = new ObjectPool(this._scoreObjectPrefab, 10, false);
        EventManger.instance.on(GameEvent.Score, this.onScore, this);
        EventManger.instance.on(GameEvent.BoosterActive, this.onBoosterActive, this);
        EventManger.instance.on(GameEvent.BoosterDisable, this.onBoosterDisable, this);
    }

    protected update(dt: number): void {
        if (!this._goal && !this._active && this._currentValue > 0) {
            this._timer += dt;
            if (this._timer >= 0.1) {
                this._timer = 0;
                this._currentValue -= 0.5;

                if (this._currentValue < 0) {
                    this._currentValue = 0;
                }
                this._fillValue = -clamp(this._currentValue / 2 / this._maxValue, 0, 0.5);
            }
        }

        if (Math.abs(this._fillValue - this._fillBar.fillRange) >= 0.001) {
            this._fillBar.fillRange = lerp(this._fillBar.fillRange, this._fillValue, dt * 3);
        }
    }

    private async onScore(score: number, points: number, type: ScoreType) {
        switch (type) {
            case ScoreType.DestroyObject:
                if (!this._active) return;
                this._currentValue += points;
                break;

            case ScoreType.Goal:
                if (this._currentValue == 0) return;
                this._goal = true;
                await Utilities.delay(1);
                let items = Math.round(this._currentValue / 5);
                GameManager.instance.addScore(
                    Math.round(this._currentValue),
                    ScoreType.Combo,
                    this.node.getWorldPosition(),
                    {
                        scaleMin: 2,
                        scaleMax: 4,
                        duration: 1,
                    },
                );
                this._currentValue = 0;
                this._goal = false;
                this.playCollectEffect(items);
                break;
        }
        this._fillValue = -clamp(this._currentValue / 2 / this._maxValue, 0, 0.5);
    }

    private async playCollectEffect(items: number) {
        const time = items < 10 ? 0.05 : 1.5 / items;
        while (items > 0) {
            const obj = this._pools.get(this.node);
            obj.setWorldPosition(this.node.worldPosition);
            tween(obj)
                .to(0.3, { worldPosition: this._scoreUI.worldPosition })
                .call(() => ObjectPool.release(obj))
                .start();
            items--;
            await Utilities.delay(time);
        }
    }

    private onBoosterActive(type: BoosterType) {
        if (type == BoosterType.CumulativeBar) this._active = true;
    }
    private onBoosterDisable(type: BoosterType) {
        if (type == BoosterType.CumulativeBar) this._active = false;
    }
}