import { _decorator, Component, Event, EventTouch, Node, SpriteFrame, UITransform, v3, Sprite, director, Color, tween, Prefab, instantiate, Vec3, Animation, Quat, sp, SkeletalAnimation, Skeleton, assetManager } from 'cc';
import { BlockLink } from './BlockLink';
import { LvData, LvDir } from '../../LvData/LvData';
import { blockMap } from './blockMap';
import { gui } from 'db://assets/core/ui/ui';
import ch_audio from 'db://assets/ch/audio/audio';
import { audioManager } from '../../../Audio/AudioManager';

const { ccclass, property } = _decorator;

export enum BlockState {
    Normal = "normal",       // 默认
    Selected = "selected",   // 被选中
    Matched = "matched",     // 已匹配
    Unmatched = "unmatched"  // 未匹配
}

@ccclass('Block')
export class Block extends Component {

    @property(Node)
    icon: Node | null = null;
    @property(Prefab)
    BOOM: Prefab | null = null;
    @property(Node)
    XZ: Node;
    @property(Node)
    BoomNode: Node
    @property(Sprite)
    BlockSprite: Sprite;
    @property(sp.Skeleton)
    biu: sp.Skeleton;
    //当前方块状态
    public stateBlock: BlockState = BlockState.Normal;
  
   

    //第一次匹配的方块con
    private static firstSelectedBlock: Block | null = null;
    private isSpecialEffectHandled: boolean = false;

    mapConfig: blockMap = new blockMap();
    private blockLink: BlockLink | null = null;

    start() {

        this.node.on(Node.EventType.TOUCH_START, this.onTouchStart, this);
        this.node.on(Node.EventType.TOUCH_END, this.onTouchEnd, this);
        this.node.on(Node.EventType.TOUCH_CANCEL, this.onTouchCancel, this);
        this.biu = this.node.getChildByName('biu').getComponent(sp.Skeleton)
        this.biu.node.active = false;
        this.blockLink = this.node.parent.getComponent(BlockLink);
    }

    onTouchStart(event: EventTouch) {
        console.log('touch start');
        if (this.blockLink.isMatching || this.blockLink.isMoving) return; // 正在匹配时拒绝新点击||正在移动时拒绝新点击
        audioManager.playOneShot('sound/onblcok');
        gui.scale_anim(this.node, 0.2, 0.3, 1);
        gui.scale_shake_anim(this.node, 0.2, 0.3, 2, 1);
        this.blockLink.sleeBlock = this.node;
        // 允许在选中状态下再次点击自身
        if (this.stateBlock === BlockState.Selected && Block.firstSelectedBlock === this) {
            // 点击已选中的自身方块，取消选中
            this.stateBlock = BlockState.Normal;
            this.applyStateStyle();
            Block.firstSelectedBlock = null;
            this.blockLink.sleeBlock = null;
            return;
        }

        if (this.stateBlock
            !== BlockState.Normal) return;
        this.stateBlock
            = BlockState.Selected;
        this.applyStateStyle();

        if (Block.firstSelectedBlock) {
            this.attemptMatch(Block.firstSelectedBlock);
        } else {
            Block.firstSelectedBlock = this;
        }
    }

    onTouchEnd(event: EventTouch) {

    }

    onTouchCancel(event: EventTouch) {
        // 触摸取消，恢复状态
        if (this.stateBlock
            === BlockState.Selected) {
            this.stateBlock
                = BlockState.Normal;
            this.applyStateStyle();
            Block.firstSelectedBlock = null;
            // this.blockLink.isMatching=false
        }
    }

    attemptMatch(otherBlock: Block) {

        if (!this.isMatch(otherBlock)) {
            this.handleMatchFailed(otherBlock);
            return;
        }

        // 获取BlockLink组件
        const comp = this.node.parent.getComponent(BlockLink);
        if (!comp) {
            console.error('BlockLink component not found!');
            this.handleMatchFailed(otherBlock);
            return;
        }

        // 判断连接成功or失败
        if (comp.isConnected(this.node, otherBlock.node)) {
            this.handleMatchSuccess(otherBlock);

        } else {
            this.handleMatchFailed(otherBlock);
        }
    }

    //连接失败
    handleMatchFailed(otherBlock: Block) {
        // this.blockLink.isMatching = true;
        Block.firstSelectedBlock = this;
        this.stateBlock
            = BlockState.Selected;
        otherBlock.stateBlock
            = BlockState.Unmatched;
        // 0.5秒后恢复普通状态
        // this.scheduleOnce(() => {
        if (otherBlock.node && otherBlock.node.isValid) { // 检查 otherBlock.node 是否存在
            otherBlock.stateBlock
                = BlockState.Normal;
            otherBlock.applyStateStyle();

        }
        // }, 0.5);
    }

    onDestroy() {
        this.unscheduleAllCallbacks(); // 取消所有定时器
    }

    //连接成功
    handleMatchSuccess(otherBlock: Block) {
        // 检查两个方块是否都是特殊方块
        const isSpecialBlock = this.isSpecialBlock() && otherBlock.isSpecialBlock();

        if (isSpecialBlock) {
            // 执行特殊效果
            this.handleSpecialEffect(otherBlock);
            Block.firstSelectedBlock = null;
            this.blockLink.isMatching = false;
            return;
        }

        // 非特殊方块的匹配逻辑保持不变
        this.blockLink.isMatching = true;
        this.stateBlock = BlockState.Matched;
        otherBlock.stateBlock = BlockState.Matched;
        this.applyStateStyle();

        // 更新游戏数据
        const comp = this.node.parent.getComponent(BlockLink);
        const pos1 = comp.getRowCol(this.node.position);
        const pos2 = comp.getRowCol(otherBlock.node.position);
        BlockLink.blockArry[pos1.i][pos1.j] = null;
        BlockLink.blockArry[pos2.i][pos2.j] = null;
        // 延迟移除节点，等待动画完成
        this.scheduleOnce(() => {
            audioManager.playOneShot('sound/offblock');
            this.node.destroy();
            otherBlock.node.destroy();
            Block.firstSelectedBlock = null;
            this.blockLink.isMatching = false;
            const dir = LvData.instance.dir;
            if (dir !== LvDir.none) {
                comp.moveByLevelDirection(dir);
            }
            // 动画完成后重新开启全局触摸
            // Block.setGlobalTouchEnabled(true);
        }, 0.5);
        BlockLink.remainingBlocks--;
    }

    //选中方块效果
    applyStateStyle() {
        if (!this.biu || !this.biu.node) return;
        const spriteComp = this.node?.getComponent(Sprite);
        const biuanim = this.node.getChildByName('biu').getComponent(sp.Skeleton)
        if (!spriteComp) return;

        switch (this.stateBlock

        ) {
            case BlockState.Selected:
                this.biu.node.active = true;
                biuanim.setAnimation(0, "animation", true);
                // 选中效果               
                // spriteComp.color = new Color(255, 255, 0); // 黄色高亮
                break;
            case BlockState.Unmatched:
                // 不匹配效果
                this.biu.node.active = false;
                biuanim.setAnimation(0, "animation", false);
                // spriteComp.color = new Color(255, 0, 0)
                break;
            case BlockState.Normal:
                if (this.biu && this.biu.node) {
                    this.biu.node.active = false;
                    biuanim.setAnimation(0, "animation", false);
                }
                break;
        }
    }

    //图片对比
    isMatch(otherBlock: Block): boolean {
        // 防御性检查
        if (!this.icon || !otherBlock.icon) return false;

        const currentSprite = this.icon.getComponent(Sprite);
        const otherSprite = otherBlock.icon.getComponent(Sprite);
        if (!currentSprite || !otherSprite) return false;

        return currentSprite.spriteFrame === otherSprite.spriteFrame;
    }

    // 重置方块状态
    public resetState() {
        this.stateBlock
            = BlockState.Normal;
        this.applyStateStyle();
    }

    // 判断特殊方块
    private isSpecialBlock(): boolean {
        if (!this.icon) return false;
        const spriteComp = this.icon.getComponent(Sprite);
        if (!spriteComp || !spriteComp.spriteFrame) return false;

        return spriteComp.spriteFrame.name.includes("zd");
    }

    //高亮显示
    highlight(node1: Node, node2: Node) {
        if (!node1 || !node1.isValid) return;
        node1.getComponent(Sprite).color = new Color(0, 255, 0);
        node2.getComponent(Sprite).color = new Color(0, 255, 0);
    }

    // 点击炸弹处理
    private handleSpecialEffect(otherBlock: Block) {
        if (!this.node.isValid) return;
        if (this.isSpecialEffectHandled) {
            return; // 如果已经处理过，则直接返回
        }
        this.isSpecialEffectHandled = true; // 标记为已处理
        const comp = this.node.parent.getComponent(BlockLink);
        if (!comp) return;

        console.log("处理炸弹特殊效果");
        this.handleBombEffect(otherBlock);

        // 延迟执行移动操作，确保当前动画完成
        this.scheduleOnce(() => {
            const dir = LvData.instance.dir;
            if (dir !== LvDir.none) {
                comp.moveByLevelDirection(dir);
            }
        }, 0.2); // 稍长的延迟确保所有动画完成
    }

    private findMatchPair(): { blockA: Block, blockB: Block } | null {
        const comp = this.node.parent.getComponent(BlockLink);
        if (!comp) return null;

        // 收集所有普通方块
        const normalBlocks: Block[] = [];
        BlockLink.blockArry.forEach(row => {
            row.forEach(blockNode => {
                if (blockNode && blockNode.isValid) {
                    const block = blockNode.getComponent(Block);
                    if (block && !block.isSpecialBlock()) {
                        normalBlocks.push(block);
                    }
                }
            });
        });

        // 寻找一对匹配的方块
        for (let i = 0; i < normalBlocks.length; i++) {
            for (let j = i + 1; j < normalBlocks.length; j++) {
                if (normalBlocks[i].isMatch(normalBlocks[j])) {
                    return {
                        blockA: normalBlocks[i],
                        blockB: normalBlocks[j]
                    };
                }
            }
        }

        return null;
    }

    // 消除炸弹方块
    private eliminateBombBlock(block: Block) {
        const comp = block.node.parent.getComponent(BlockLink);
        if (!comp) return;

        // 更新游戏数据
        const pos = comp.getRowCol(block.node.position);
        BlockLink.blockArry[pos.i][pos.j] = null;
        BlockLink.remainingBlocks--;

        // 方块消失动画
        tween(block.node)
            .to(0.2, { scale: v3(1.5, 1.5, 1) })
            .to(0.2, { scale: v3(0, 0, 1) })
            .call(() => {
                if (block.node && block.node.isValid) {
                    block.node.destroy();
                }
            })
            .start();
    }

    // // 消除匹配的方块对
    private eliminateMatchPair(blockA: Block, blockB: Block) {
        debugger
        const comp = blockA.node.parent.getComponent(BlockLink);
        if (!comp) return;
        blockA.node.getChildByName("xuanz").active = true;
        blockB.node.getChildByName("xuanz").active = true;

        this.scheduleOnce(() => {
            // 更新游戏数据
            const posA = comp.getRowCol(blockA.node.position);
            const posB = comp.getRowCol(blockB.node.position);
            BlockLink.blockArry[posA.i][posA.j] = null;
            BlockLink.blockArry[posB.i][posB.j] = null;
            BlockLink.remainingBlocks -= 2;

            // 播放消除动画
            this.animateBlockDisappearance(blockA);
            this.animateBlockDisappearance(blockB);
        }, 0.2);

        if (comp) {
            const dir = LvData.instance.dir;
            if (dir !== LvDir.none) {
                comp.moveByLevelDirection(dir);
            }
        }
    }

    // 方块消失动画
    private animateBlockDisappearance(block: Block) {
        tween(block.node)
            .to(0.4, { scale: v3(1.2, 1.2, 1) })
            .to(0.4, { scale: v3(0, 0, 1) })
            .call(() => {
                if (block.node && block.node.isValid) {
                    block.node.destroy();
                }
            })
            .start();
    }

    // 随机消除一对普通方块
    private eliminateRandomPair() {
        debugger
        const comp = this.node.parent.getComponent(BlockLink);
        if (!comp) return;

        // 收集所有普通方块
        const normalBlocks: Block[] = [];
        BlockLink.blockArry.forEach(row => {
            row.forEach(blockNode => {
                if (blockNode && blockNode.isValid) {
                    const block = blockNode.getComponent(Block);
                    if (block && !block.isSpecialBlock()) {
                        normalBlocks.push(block);
                    }
                }
            });
        });

        // 随机选择两个方块消除
        if (normalBlocks.length >= 2) {
            const index1 = Math.floor(Math.random() * normalBlocks.length);
            let index2;
            do {
                index2 = Math.floor(Math.random() * normalBlocks.length);
            } while (index2 === index1);

            this.eliminateMatchPair(normalBlocks[index1], normalBlocks[index2]);
        }

        // if (comp) {
        //     const dir = LvData.instance.dir;
        //     if (dir !== LvDir.none) {
        //         comp.moveByLevelDirection(dir); // 或者调用 refreshLayout()
        //     }
        // }
    }
    private handleBombEffect(otherBlock: Block) {
        const comp = this.node.parent.getComponent(BlockLink);
        if (!comp) return;

        let boomA = instantiate(this.BOOM);
        boomA.setPosition(this.node.position);
        this.node.parent.addChild(boomA);
        boomA.setSiblingIndex(999)
        const boomB = instantiate(this.BOOM);
        boomB.setPosition(otherBlock.node.position);
        this.node.parent.addChild(boomB);
        boomA.setSiblingIndex(998)
        const initialHeight = 100; // 向上飞行高度

        // 1. 消除两个炸弹方块
        this.eliminateBombBlock(this);
        this.eliminateBombBlock(otherBlock);

        // 2. 寻找并消除一对匹配的普通方块
        const matchPair = this.findMatchPair();
        if (matchPair) {
            matchPair.blockA.node.getChildByName("xuanz").active = true
            matchPair.blockB.node.getChildByName("xuanz").active = true

            const comp = this.node.parent.getComponent(BlockLink);
            const worldPosA = matchPair.blockA.node.getWorldPosition();
            const worldPosB = matchPair.blockB.node.getWorldPosition();

            // 2. 延迟方块消除（直到炸弹到达）
            this.scheduleOnce(() => {
                this.eliminateMatchPair(matchPair.blockA, matchPair.blockB);
            }, 0.8); // 等待飞行动画完成

            // 3. 使用正确的位置
            this.flyBoomInitialUp(boomA, initialHeight, () => {
                this.flyBoomToTarget(boomA, worldPosA, () => {
                    this.playBoomAnimation(boomA); // 播放动画
                });
            });

            this.flyBoomInitialUp(boomB, initialHeight, () => {
                this.flyBoomToTarget(boomB, worldPosB, () => {
                    this.playBoomAnimation(boomB); // 播放动画
                });
            });

            this.eliminateMatchPair(matchPair.blockA, matchPair.blockB);

        }
        else {
            // 如果没有找到匹配对，随机选择两个方块消除
            this.eliminateRandomPair();
        }

        // 3. 延迟执行移动操作
        this.scheduleOnce(() => {
            const dir = LvData.instance.dir;
            if (dir !== LvDir.none) {
                comp.moveByLevelDirection(dir);
            }
        }, 0.8); // 稍长的延迟确保所有动画完成
    }
    private playBoomAnimation(boom: Node) {
        audioManager.playOneShot("sound/zdBong")
        const boomChild = boom.getChildByName("boom");
        if (!boomChild) return;
        // 1. 启用动画组件    
        boomChild.active = true;

        this.schedule(() => {
            boom.destroy();
        }, 0.3)

    }

    // 初始向上飞行动画
    private flyBoomInitialUp(boom: Node, height: number, onComplete: Function) {
        audioManager.playOneShot("sound/zdfle1")
        // 计算目标位置（当前位置上方）
        const currentPos = boom.position.clone();
        const targetPos = new Vec3(currentPos.x, currentPos.y + height, currentPos.z);

        // 向上飞行动画
        tween(boom)
            .to(0.2, {
                position: targetPos,
                scale: v3(1.2, 1.2, 1), // 飞行过程中变大

            }, {
                easing: "sineOut",
                onComplete: () => onComplete()
            })

            .start();

    }

    private flyBoomToTarget(boom: Node, worldPos: Vec3, onComplete: Function) {
        // 转换世界坐标到本地坐标
        const localPos = this.node.parent.inverseTransformPoint(new Vec3(), worldPos);
        tween(boom)
            .to(0.4, {
                position: localPos,
                scale: v3(1.5, 1.5, 1) // 添加缩放效果
            }, { easing: "quadOut" })
            .call(() => {
                onComplete();
            })
            .start();
    }

}