import { _decorator, Component, Node, Button, Label, find, UITransform, Sprite, Color, tween, Tween, Prefab, instantiate } from 'cc';
import { LevelSessionManager } from '../../Core/LevelSessionManager';
import { BallController } from '../BallController';
import { BlockManager } from '../BlockManager';
import { GameStartMove } from '../../Animations/GameStartMove';
import { GamePause } from '../GamePause';
import { BlockTag } from './BlockTag';
import EventBus, { GameEvents } from '../../Core/EventBus';
const { ccclass, property } = _decorator;

@ccclass('GameBlockSelection')
export class GameBlockSelection extends Component {
    
    @property({
        type: Node,
        tooltip: '拖拽BlockSelectionUI/diban/ann001按钮节点到这里'
    })
    public addBallButton: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽BlockSelectionUI/diban/ann002按钮节点到这里'
    })
    public addCoinButton: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽BlockSelectionUI/diban/ann003按钮节点到这里'
    })
    public refreshButton: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽Canvas-001/TopArea/CoinNode/CoinLabel节点到这里'
    })
    public coinLabelNode: Node = null;

    @property({
        type: Prefab,
        tooltip: '拖拽Toast预制体到这里'
    })
    public toastPrefab: Prefab = null;

    @property({
        type: Node,
        tooltip: '拖拽Canvas/GameLevelUI/BallController节点到这里'
    })
    public ballControllerNode: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽Canvas/GameLevelUI/BlockController节点到这里'
    })
    public blockManagerNode: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽Canvas/Camera节点到这里'
    })
    public cameraNode: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽Canvas/GameLevelUI/GameArea/GridContainer节点到这里'
    })
    public gridContainer: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽confirm按钮节点到这里'
    })
    public confirmButton: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽BlockSelectionUI根节点到这里'
    })
    public blockSelectionUINode: Node = null;

    @property({
        type: Node,
        tooltip: '拖拽BlockSelectionUI/diban节点到这里'
    })
    public dibanNode: Node = null;

    // 按钮费用配置
    private readonly ADD_BALL_COST = 80;
    private readonly ADD_COIN_AMOUNT = 80;
    private readonly REFRESH_COST = 5;

    private session: LevelSessionManager = null;
    private ballController: BallController = null;
    private blockManager: BlockManager = null;
    private gameStartMove: GameStartMove = null;

    // 回调函数，用于通知GameManager
    public onConfirmCallback: () => void = null;

    start() {
        console.log('GameBlockSelection.start() 开始初始化');
        
        // 获取管理器实例
        this.session = LevelSessionManager.inst;
        
        // 获取BallController
        if (this.ballControllerNode) {
            this.ballController = this.ballControllerNode.getComponent(BallController);
        } else {
            console.warn('BallController节点未绑定，请在Inspector中拖拽Canvas/GameLevelUI/BallController节点');
        }

        // 获取BlockManager
        if (this.blockManagerNode) {
            this.blockManager = this.blockManagerNode.getComponent(BlockManager);
        } else {
            console.warn('BlockManager节点未绑定，请在Inspector中拖拽Canvas/GameLevelUI/BlockController节点');
        }

        // 获取GameStartMove组件
        if (this.cameraNode) {
            this.gameStartMove = this.cameraNode.getComponent(GameStartMove);
            console.log('GameStartMove组件获取结果:', !!this.gameStartMove);
            
            // 如果GameStartMove存在，设置BlockSelectionUI和diban引用，并更新原始位置
            if (this.gameStartMove && this.blockSelectionUINode && this.dibanNode) {
                this.gameStartMove.blockSelectionUI = this.blockSelectionUINode;
                this.gameStartMove.dibanNode = this.dibanNode;
                this.gameStartMove.updateDibanOriginalPosition();
                
                console.log('GameStartMove引用设置完成:', {
                    blockSelectionUISet: !!this.gameStartMove.blockSelectionUI,
                    dibanNodeSet: !!this.gameStartMove.dibanNode,
                    blockSelectionUINodeName: this.blockSelectionUINode.name,
                    dibanNodeName: this.dibanNode.name
                });
            } else {
                console.warn('GameStartMove引用设置失败:', {
                    gameStartMove: !!this.gameStartMove,
                    blockSelectionUINode: !!this.blockSelectionUINode,
                    dibanNode: !!this.dibanNode
                });
            }
        } else {
            console.warn('Camera节点未绑定，请在Inspector中拖拽Canvas/Camera节点');
        }

        // 如果没有指定coinLabelNode，尝试找到它
        if (!this.coinLabelNode) {
            this.coinLabelNode = find('Canvas-001/TopArea/CoinNode/CoinLabel');
        }

        // 绑定按钮事件
        this.bindButtonEvents();
        
        console.log('GameBlockSelection.start() 初始化完成');
    }

    // 绑定按钮事件
    private bindButtonEvents() {
        // 绑定新增小球按钮
        if (this.addBallButton) {
            const btn = this.addBallButton.getComponent(Button);
            if (btn) {
                this.addBallButton.on(Button.EventType.CLICK, this.onAddBallClicked, this);
            } else {
                this.addBallButton.on(Node.EventType.TOUCH_END, this.onAddBallClicked, this);
            }
        }

        // 绑定增加金币按钮
        if (this.addCoinButton) {
            const btn = this.addCoinButton.getComponent(Button);
            if (btn) {
                this.addCoinButton.on(Button.EventType.CLICK, this.onAddCoinClicked, this);
            } else {
                this.addCoinButton.on(Node.EventType.TOUCH_END, this.onAddCoinClicked, this);
            }
        }

        // 绑定刷新方块按钮
        if (this.refreshButton) {
            const btn = this.refreshButton.getComponent(Button);
            if (btn) {
                this.refreshButton.on(Button.EventType.CLICK, this.onRefreshClicked, this);
            } else {
                this.refreshButton.on(Node.EventType.TOUCH_END, this.onRefreshClicked, this);
            }
        }

        // 绑定确认按钮
        if (this.confirmButton) {
            const btn = this.confirmButton.getComponent(Button);
            if (btn) {
                this.confirmButton.on(Button.EventType.CLICK, this.onConfirmButtonClicked, this);
            } else {
                this.confirmButton.on(Node.EventType.TOUCH_END, this.onConfirmButtonClicked, this);
            }
        }
    }

    // 新增小球按钮点击
    private onAddBallClicked() {
        if (!this.canSpendCoins(this.ADD_BALL_COST)) {
            this.showInsufficientCoinsUI();
            return;
        }

        // 扣除金币
        if (this.session.spendCoins(this.ADD_BALL_COST)) {
            this.updateCoinDisplay();
            
            // 创建新的小球
            if (this.ballControllerNode) {
                const ballController = this.ballControllerNode.getComponent(BallController);
                if (ballController) {
                    // 使用createAdditionalBall方法创建额外的小球，而不是替换现有的小球
                    ballController.createAdditionalBall();
                    console.log(`新增小球成功，扣除${this.ADD_BALL_COST}金币`);
                } else {
                    console.error('找不到BallController组件');
                }
            } else {
                console.error('找不到BallController节点，无法创建小球');
            }
        }
    }

    // 增加金币按钮点击
    private onAddCoinClicked() {
        this.session.addCoins(this.ADD_COIN_AMOUNT);
        this.updateCoinDisplay();
        console.log(`增加${this.ADD_COIN_AMOUNT}金币`);
    }

    // 刷新方块按钮点击
    private onRefreshClicked() {
        if (!this.canSpendCoins(this.REFRESH_COST)) {
            this.showInsufficientCoinsUI();
            return;
        }

        // 扣除金币
        if (this.session.spendCoins(this.REFRESH_COST)) {
            this.updateCoinDisplay();
            
            // 刷新方块
            if (this.blockManager) {
                // 找到PlacedBlocks容器
                const placedBlocksContainer = find('Canvas/GameLevelUI/PlacedBlocks');
                if (placedBlocksContainer) {
                    // 移除已放置方块的标签
                    BlockTag.removeTagsInContainer(placedBlocksContainer);
                }
                
                // 刷新方块
                this.blockManager.refreshBlocks();
                console.log(`刷新方块成功，扣除${this.REFRESH_COST}金币`);
            } else {
                console.error('找不到BlockManager，无法刷新方块');
            }
        }
    }

    // 确认按钮点击（从GameManager迁移的onConfirmButtonClicked）
    public onConfirmButtonClicked() {
        // 检查是否有上阵方块
        const hasBlocks = this.hasPlacedBlocks();
        console.log(`[GameBlockSelection] 检查上阵方块: ${hasBlocks ? '有' : '无'}`);
        
        if (!hasBlocks) {
            this.showNoPlacedBlocksToast();
            return;
        }
        
        // 使用统一的隐藏方法，包含动画
        this.hideBlockSelection();
        
        // 保存已放置的方块
        this.preservePlacedBlocks();

        // 回调通知GameManager
        if (this.onConfirmCallback) {
            this.onConfirmCallback();
        }
        
        // 恢复游戏
        const gamePause = GamePause.getInstance();
        if (gamePause) {
            gamePause.resumeGame();
        }
    }

    // 保存已放置的方块（从GameManager迁移）
    private preservePlacedBlocks() {
        if (this.blockManager) {
            this.blockManager.onGameStart();
        }
    }

    // 检查是否有足够金币
    private canSpendCoins(amount: number): boolean {
        return this.session.getCoins() >= amount;
    }

    // 更新金币显示
    private updateCoinDisplay() {
        if (this.coinLabelNode) {
            const label = this.coinLabelNode.getComponent(Label);
            if (label) {
                label.string = this.session.getCoins().toString();
            }
        }
    }

    // 显示金币不足UI
    private showInsufficientCoinsUI() {
        if (!this.toastPrefab) {
            console.error('Toast预制体未绑定，请在Inspector中拖拽Toast预制体');
            return;
        }

        // 实例化Toast预制体
        const toastNode = instantiate(this.toastPrefab);
        
        // 设置Toast的文本为"金币不足！"
        const labelNode = toastNode.getChildByName('label');
        if (labelNode) {
            const label = labelNode.getComponent(Label);
            if (label) {
                label.string = '金币不足！';
            }
        }
        
        // 将Toast添加到Canvas下
        const canvas = find('Canvas');
        if (canvas) {
            canvas.addChild(toastNode);
        }

        // 3秒后自动销毁Toast
        this.scheduleOnce(() => {
            if (toastNode && toastNode.isValid) {
                toastNode.destroy();
            }
        }, 3.0);

        console.log('金币不足！');
    }

    // === 公共方法：供GameManager调用 ===

    // 显示方块选择UI（用于游戏开始或下一波）
    public showBlockSelection(isNextWave: boolean = false) {
        // 检查游戏是否已结束，使用GamePause来检查状态
        const gamePause = GamePause.getInstance();
        if (gamePause && gamePause.isGameOver()) {
            console.warn('[GameBlockSelection] 游戏已经结束，不显示方块选择UI');
            return;
        }
        
        // 首先显示UI节点
        this.node.active = true;
        
        if (this.gridContainer) {
            this.gridContainer.active = true;
        }

        // 如果有BlockSelectionUI节点，确保它可见
        if (this.blockSelectionUINode) {
            this.blockSelectionUINode.active = true;
        }

        // 每次显示方块选择UI时，生成新的随机方块
        if (this.blockManager) {
            this.blockManager.refreshBlocks();
            console.log('[GameBlockSelection] 生成新的随机方块');
        } else {
            console.warn('[GameBlockSelection] BlockManager未找到，无法生成随机方块');
        }

        // 播放BlockSelectionUI出现动画
        this.playShowAnimation();

        // 派发事件
        EventBus.getInstance().emit(GameEvents.BLOCK_SELECTION_OPEN);

        console.log(`[GameBlockSelection] ${isNextWave ? '显示下一波方块选择UI' : '显示游戏开始方块选择UI'}`);
    }

    // 隐藏方块选择UI
    public hideBlockSelection() {
        // 播放隐藏动画，动画完成后隐藏UI
        this.playHideAnimation(() => {
            this.node.active = false;
            
            // 移除隐藏GridContainer的代码，因为GridContainer应该在游戏过程中保持可见
            // if (this.gridContainer) {
            //     this.gridContainer.active = false;
            // }

            // 派发事件
            EventBus.getInstance().emit(GameEvents.BLOCK_SELECTION_CLOSE);
            console.log('隐藏方块选择UI');
        });
    }

    // 播放显示动画
    private playShowAnimation() {
        console.log('播放显示动画playShowAnimation');
        if (this.gameStartMove && this.blockSelectionUINode && this.dibanNode) {
            // 设置GameStartMove的blockSelectionUI和dibanNode引用
            this.gameStartMove.blockSelectionUI = this.blockSelectionUINode;
            this.gameStartMove.dibanNode = this.dibanNode;
            
            // 每次显示BlockSelectionUI时，摄像头下移182px
            this.gameStartMove.moveDownInstant();
            console.log('摄像头下移182px');
            
            // 使用GameStartMove的上滑入场动画
            this.gameStartMove.slideUpFromBottom(300, 0.3);
        }
    }

    // 播放隐藏动画
    private playHideAnimation(onComplete?: () => void) {
        console.log('播放隐藏动画playHideAnimation');
        console.log('GameBlockSelection 引用检查:', {
            gameStartMove: !!this.gameStartMove,
            blockSelectionUINode: !!this.blockSelectionUINode,
            dibanNode: !!this.dibanNode,
            blockSelectionUINodeName: this.blockSelectionUINode?.name,
            dibanNodeName: this.dibanNode?.name
        });
        
        if (this.gameStartMove && this.blockSelectionUINode && this.dibanNode) {
            // 设置GameStartMove的blockSelectionUI和dibanNode引用
            this.gameStartMove.blockSelectionUI = this.blockSelectionUINode;
            this.gameStartMove.dibanNode = this.dibanNode;
            
            console.log('GameStartMove 引用设置后检查:', {
                gameStartMoveBlockSelectionUI: !!this.gameStartMove.blockSelectionUI,
                gameStartMoveDibanNode: !!this.gameStartMove.dibanNode
            });
            
            // 每次隐藏BlockSelectionUI时，摄像头上移182px
            this.gameStartMove.moveUpSmooth();
            console.log('摄像头上移182px');
            
            // 播放下滑隐藏动画，动画完成后执行回调
            this.gameStartMove.slideDibanDownAndHide(300, 0.3);
            
            // 由于slideDibanDownAndHide会自动隐藏blockSelectionUI和重置位置，我们需要在动画完成后执行回调
            if (onComplete) {
                this.scheduleOnce(() => {
                    onComplete();
                }, 0.3); // 与动画时长一致
            }
        } else {
            console.log('GameBlockSelection 条件检查失败，无法播放动画');
            if (onComplete) {
                // 如果没有动画组件，直接执行回调
                onComplete();
            }
        }
    }

    // 设置确认回调
    public setConfirmCallback(callback: () => void) {
        this.onConfirmCallback = callback;
    }

    // 检查是否有上阵方块
    private hasPlacedBlocks(): boolean {
        // 优先使用BlockManager的方法检查
        if (this.blockManager) {
            return this.blockManager.hasPlacedBlocks();
        }
        
        // 备用方案：直接检查PlacedBlocks容器
        const placedBlocksContainer = find('Canvas/GameLevelUI/PlacedBlocks');
        if (!placedBlocksContainer) {
            console.warn('找不到PlacedBlocks容器');
            return false;
        }
        
        // 检查容器中是否有子节点（方块）
        return placedBlocksContainer.children.length > 0;
    }

    // 显示没有上阵方块的Toast提示
    private showNoPlacedBlocksToast() {
        if (!this.toastPrefab) {
            console.error('Toast预制体未绑定，请在Inspector中拖拽Toast预制体');
            return;
        }

        // 实例化Toast预制体
        const toastNode = instantiate(this.toastPrefab);
        
        // 设置Toast的文本为"请至少上阵一个植物！"
        const labelNode = toastNode.getChildByName('label');
        if (labelNode) {
            const label = labelNode.getComponent(Label);
            if (label) {
                label.string = '请至少上阵一个植物！';
            }
        }
        
        // 将Toast添加到Canvas下
        const canvas = find('Canvas');
        if (canvas) {
            canvas.addChild(toastNode);
        }

        // 3秒后自动销毁Toast
        this.scheduleOnce(() => {
            if (toastNode && toastNode.isValid) {
                toastNode.destroy();
            }
        }, 3.0);

        console.log('请至少上阵一个植物！');
    }
}