import { _decorator, Component, Node, Vec3, tween, instantiate, Prefab, math, Label, director } from 'cc';
import { SaveDataManager } from '../LevelSystem/SaveDataManager';
import { TopBarController } from '../FourUI/TopBarController';
import EventBus, { GameEvents } from '../Core/EventBus';
const { ccclass, property } = _decorator;

/**
 * 奖励动画系统
 * 负责在关卡结束后播放金币和钻石的奖励动画
 */
@ccclass('MoneyAni')
export class MoneyAni extends Component {
    
    @property({
        type: Prefab,
        tooltip: '金币预制体'
    })
    public coinPrefab: Prefab = null;
    
    @property({
        type: Prefab,
        tooltip: '钻石预制体'
    })
    public diamondPrefab: Prefab = null;
    
    @property({
        type: Node,
        tooltip: '奖励生成起始位置节点（MainUI中的奖励显示区域）'
    })
    public rewardStartNode: Node = null;
    
    @property({
        type: Node,
        tooltip: 'Canvas节点，用于添加动画元素'
    })
    public canvasNode: Node = null;
    
    @property({
        type: Node,
        tooltip: '金币目标节点（TopBar中的金币标签）'
    })
    public coinTargetNode: Node = null;
    
    @property({
        type: Node,
        tooltip: '钻石目标节点（TopBar中的钻石标签）'
    })
    public diamondTargetNode: Node = null;
    
    private saveDataManager: SaveDataManager = null;
    
    onLoad() {
        this.saveDataManager = SaveDataManager.getInstance();
    }
    
    /**
     * 播放奖励动画
     * @param coinAmount 金币数量
     * @param diamondAmount 钻石数量
     * @param onComplete 动画完成回调
     */
    public playRewardAnimation(coinAmount: number, diamondAmount: number, onComplete?: () => void) {
        console.log(`[MoneyAni] 开始播放奖励动画 - 金币: ${coinAmount}, 钻石: ${diamondAmount}`);
        
        if (!this.canvasNode) {
            console.error('[MoneyAni] Canvas节点未设置，请在编辑器中拖拽Canvas节点到canvasNode属性');
            if (onComplete) onComplete();
            return;
        }
        
        let animationsCompleted = 0;
        const totalAnimations = (coinAmount > 0 ? 1 : 0) + (diamondAmount > 0 ? 1 : 0);
        
        const onAnimationComplete = () => {
            animationsCompleted++;
            if (animationsCompleted >= totalAnimations) {
                console.log('[MoneyAni] 所有奖励动画播放完成');
                if (onComplete) onComplete();
            }
        };
        
        // 播放金币动画
        if (coinAmount > 0) {
            this.playCoinAnimation(coinAmount, onAnimationComplete);
        }
        
        // 播放钻石动画（延迟0.2秒开始）
        if (diamondAmount > 0) {
            this.scheduleOnce(() => {
                this.playDiamondAnimation(diamondAmount, onAnimationComplete);
            }, 0.2);
        }
        
        // 如果没有奖励，直接调用完成回调
        if (totalAnimations === 0) {
            if (onComplete) onComplete();
        }
    }
    
    /**
     * 播放金币动画
     */
    private playCoinAnimation(amount: number, onComplete?: () => void) {
        if (!this.coinPrefab) {
            console.error('[MoneyAni] 金币预制体未设置');
            if (onComplete) onComplete();
            return;
        }
        
        // 使用装饰器引用的金币目标节点
        if (!this.coinTargetNode) {
            console.error('[MoneyAni] 金币目标节点未设置，请在编辑器中拖拽TopBar中的金币标签节点');
            if (onComplete) onComplete();
            return;
        }
        
        const targetNode = this.coinTargetNode;
        
        // 生成金币数量（最多10个，超过则按比例显示）
        const coinCount = Math.min(amount, 10);
        const startPos = this.getRewardStartPosition();
        
        console.log(`[MoneyAni] 生成${coinCount}个金币动画`);
        
        let coinsCompleted = 0;
        
        for (let i = 0; i < coinCount; i++) {
            // 延迟生成，创造连续效果
            this.scheduleOnce(() => {
                this.createAndAnimateCoin(startPos, targetNode, () => {
                    coinsCompleted++;
                    if (coinsCompleted >= coinCount) {
                        // 所有金币动画完成，更新数据
                        this.saveDataManager.addMoney(amount, 'level_reward');
                        // 通过事件系统通知UI更新
            EventBus.getInstance().emit(GameEvents.CURRENCY_CHANGED);
                        if (onComplete) onComplete();
                    }
                });
            }, i * 0.1);
        }
    }
    
    /**
     * 播放钻石动画
     */
    private playDiamondAnimation(amount: number, onComplete?: () => void) {
        if (!this.diamondPrefab) {
            console.error('[MoneyAni] 钻石预制体未设置');
            if (onComplete) onComplete();
            return;
        }
        
        // 使用装饰器引用的钻石目标节点
        if (!this.diamondTargetNode) {
            console.error('[MoneyAni] 钻石目标节点未设置，请在编辑器中拖拽TopBar中的钻石标签节点');
            if (onComplete) onComplete();
            return;
        }
        
        const targetNode = this.diamondTargetNode;
        
        // 生成钻石数量（最多5个）
        const diamondCount = Math.min(amount, 5);
        const startPos = this.getRewardStartPosition();
        
        console.log(`[MoneyAni] 生成${diamondCount}个钻石动画`);
        
        let diamondsCompleted = 0;
        
        for (let i = 0; i < diamondCount; i++) {
            // 延迟生成
            this.scheduleOnce(() => {
                this.createAndAnimateDiamond(startPos, targetNode, () => {
                    diamondsCompleted++;
                    if (diamondsCompleted >= diamondCount) {
                        // 所有钻石动画完成，更新数据
                        this.saveDataManager.addDiamonds(amount, 'level_reward');
                        // 通过事件系统通知UI更新
                        EventBus.getInstance().emit(GameEvents.CURRENCY_CHANGED);
                        if (onComplete) onComplete();
                    }
                });
            }, i * 0.15);
        }
    }
    
    /**
     * 创建并播放单个金币动画
     */
    private createAndAnimateCoin(startPos: Vec3, targetNode: Node, onComplete?: () => void) {
        const coinNode = instantiate(this.coinPrefab);
        this.canvasNode.addChild(coinNode);
        
        // 设置初始位置
        coinNode.setWorldPosition(startPos);
        
        // 生成随机散开位置
        const scatterPos = this.getScatterPosition(startPos);
        
        // 获取目标世界位置
        const targetWorldPos = new Vec3();
        targetNode.getWorldPosition(targetWorldPos);
        
        // 动画序列：散开 -> 飞向目标
        tween(coinNode)
            // 第一阶段：散开（带旋转和缩放）
            .parallel(
                tween().to(0.3, { worldPosition: scatterPos }, { easing: 'quadOut' }),
                tween().to(0.3, { scale: new Vec3(1.2, 1.2, 1.2) }, { easing: 'quadOut' }),
                tween().by(0.3, { eulerAngles: new Vec3(0, 0, 180) })
            )
            // 短暂停留
            .delay(0.1)
            // 第二阶段：飞向目标（带缩小和旋转）
            .parallel(
                tween().to(0.5, { worldPosition: targetWorldPos }, { easing: 'quadIn' }),
                tween().to(0.5, { scale: new Vec3(0.3, 0.3, 0.3) }, { easing: 'quadIn' }),
                tween().by(0.5, { eulerAngles: new Vec3(0, 0, 360) })
            )
            .call(() => {
                // 动画完成，销毁节点
                coinNode.destroy();
                if (onComplete) onComplete();
            })
            .start();
    }
    
    /**
     * 创建并播放单个钻石动画
     */
    private createAndAnimateDiamond(startPos: Vec3, targetNode: Node, onComplete?: () => void) {
        const diamondNode = instantiate(this.diamondPrefab);
        this.canvasNode.addChild(diamondNode);
        
        // 设置初始位置
        diamondNode.setWorldPosition(startPos);
        
        // 生成随机散开位置
        const scatterPos = this.getScatterPosition(startPos);
        
        // 获取目标世界位置
        const targetWorldPos = new Vec3();
        targetNode.getWorldPosition(targetWorldPos);
        
        // 动画序列：散开 -> 飞向目标
        tween(diamondNode)
            // 第一阶段：散开（带旋转和缩放）
            .parallel(
                tween().to(0.4, { worldPosition: scatterPos }, { easing: 'quadOut' }),
                tween().to(0.4, { scale: new Vec3(1.3, 1.3, 1.3) }, { easing: 'quadOut' }),
                tween().by(0.4, { eulerAngles: new Vec3(0, 0, -180) })
            )
            // 短暂停留
            .delay(0.15)
            // 第二阶段：飞向目标（带缩小和旋转）
            .parallel(
                tween().to(0.6, { worldPosition: targetWorldPos }, { easing: 'quadIn' }),
                tween().to(0.6, { scale: new Vec3(0.4, 0.4, 0.4) }, { easing: 'quadIn' }),
                tween().by(0.6, { eulerAngles: new Vec3(0, 0, -360) })
            )
            .call(() => {
                // 动画完成，销毁节点
                diamondNode.destroy();
                if (onComplete) onComplete();
            })
            .start();
    }
    
    /**
     * 获取奖励生成起始位置
     */
    private getRewardStartPosition(): Vec3 {
        if (this.rewardStartNode) {
            const worldPos = new Vec3();
            this.rewardStartNode.getWorldPosition(worldPos);
            return worldPos;
        }
        
        // 默认位置（屏幕中央偏下）
        return new Vec3(0, -200, 0);
    }
    
    /**
     * 获取散开位置
     */
    private getScatterPosition(startPos: Vec3): Vec3 {
        const scatterRadius = 150; // 散开半径
        const angle = math.randomRange(0, Math.PI * 2); // 随机角度
        const distance = math.randomRange(50, scatterRadius); // 随机距离
        
        return new Vec3(
            startPos.x + Math.cos(angle) * distance,
            startPos.y + Math.sin(angle) * distance,
            startPos.z
        );
    }
    
    /**
     * 静态方法：播放奖励动画（需要传入实例）
     * @param moneyAniInstance MoneyAni组件实例
     * @param coinAmount 金币数量
     * @param diamondAmount 钻石数量
     * @param onComplete 完成回调
     */
    public static playRewardWithInstance(moneyAniInstance: MoneyAni, coinAmount: number, diamondAmount: number, onComplete?: () => void) {
        if (!moneyAniInstance) {
            console.error('[MoneyAni] MoneyAni实例为空，请传入有效的MoneyAni组件实例');
            if (onComplete) onComplete();
            return;
        }
        
        moneyAniInstance.playRewardAnimation(coinAmount, diamondAmount, onComplete);
    }
    
    /**
     * 静态方法：播放奖励动画（简化版本）
     * 自动查找场景中的MoneyAni组件
     * @param coinAmount 金币数量
     * @param diamondAmount 钻石数量
     * @param onComplete 完成回调
     */
    public static playReward(coinAmount: number, diamondAmount: number, onComplete?: () => void) {
        // 尝试从director获取场景中的MoneyAni组件
        const scene = director.getScene();
        if (!scene) {
            console.error('[MoneyAni] 无法获取当前场景');
            if (onComplete) onComplete();
            return;
        }
        
        // 递归查找MoneyAni组件
        const findMoneyAni = (node: Node): MoneyAni | null => {
            const moneyAni = node.getComponent(MoneyAni);
            if (moneyAni) return moneyAni;
            
            for (const child of node.children) {
                const result = findMoneyAni(child);
                if (result) return result;
            }
            return null;
        };
        
        const moneyAni = findMoneyAni(scene);
        if (!moneyAni) {
            console.error('[MoneyAni] 场景中未找到MoneyAni组件，请确保场景中存在MoneyAni组件');
            if (onComplete) onComplete();
            return;
        }
        
        moneyAni.playRewardAnimation(coinAmount, diamondAmount, onComplete);
    }
    
    /**
     * 根据关卡配置播放奖励动画
     */
    public async playLevelReward(level: number, onComplete?: () => void) {
        try {
            const rewards = await this.saveDataManager.getLevelRewardsFromConfig(level);
            if (rewards) {
                this.playRewardAnimation(rewards.coins, rewards.diamonds, onComplete);
            } else {
                console.warn(`[MoneyAni] 无法获取关卡${level}的奖励配置，使用默认奖励`);
                // 使用默认奖励
                this.playRewardAnimation(50, 5, onComplete);
            }
        } catch (error) {
            console.error('[MoneyAni] 获取关卡奖励配置时出错:', error);
            // 使用默认奖励
            this.playRewardAnimation(50, 5, onComplete);
        }
    }
}