import { _decorator, Component, Prefab, Sprite, SpriteFrame, instantiate, Node, Vec3, assetManager, AssetManager, resources, randomRangeInt, randomRange, UITransform, Vec2 } from "cc";
import FindItem, { ItemState } from "./FindItem";
import { LayerMgr } from "../../script/Manager/LayerMgr";
import { CCFloat } from "cc";
import EventMgr from "../../script/Manager/EventMgr";
import { Difficulty, Skin } from "../../script/Manager/LocalDataMgr";
const { ccclass, property } = _decorator;

// 关卡模式枚举
export enum LevelMode {
    EDIT,      // 编辑模式
    NORMAL     // 正常选择模式
}

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

    @property({ type: Node, tooltip: '遮罩' })
    mask: Node = null;

    @property({ type: Sprite, tooltip: '背景图' })
    lvlBg: Sprite = null;

    @property({ type: Prefab, tooltip: '物品预制体' })
    findItemPrefab: Prefab = null;

    @property({ type: CCFloat, tooltip: '最小缩放比例' })
    minScale: number = 0.1;

    @property({ type: CCFloat, tooltip: '最大缩放比例' })
    maxScale: number = 1.5;

    @property({ type: Node, tooltip: '物品容器' })
    itemContainer: Node = null;

    _findItems: FindItem[] = [];
    _currentMode: LevelMode = LevelMode.NORMAL;
    _totalItems: number = 0;
    _foundItems: number = 0;
    _onLevelComplete: Function = null;

    _bgPath: string = "";
    _itemSpinePaths: string[] = [];
    _itemcnt: number = 0;
    _itemScales: number[] = [];

    _defaultScales: number[] = [1.18, 1.16, 1.14, 0.3976, 0.3690, 0.3029,
        0.0667, 0.0766, 0.0531, 0.0716];

    start() {
        // LayerMgr.instance.loadBundle("editor", () => {
        //     this.genLvlContent("image/bg1", ["prefab/spine/spine01"], 10);
        // });
        this.addResetListener()
    }

    /**
     * 切换编辑模式
     * @param isEdit 是否为编辑模式
     */
    swtichEditMode(isEdit: boolean) {
        this._currentMode = isEdit ? LevelMode.EDIT : LevelMode.NORMAL;

        // 更新所有物品的状态
        this._findItems.forEach(item => {
            if (isEdit) {
                item.enterEditMode();
            } else {
                item.exitEditMode();
            }
        });

        // 重置找到的物品计数
        if (!isEdit) {
            this._foundItems = 0;
        }
    }


    /**
     * 生成关卡内容
     * @param bgPath 背景图路径
     * @param Items 物品预制体路径数组
     * @param itemcnt 物品数量
     * @param itemScales 物品缩放数组，为空时随机缩放
     */
    public genLvlContent(bgPath: string, itemSpinePaths: string[], itemcnt: number, itemScales: number[] = null) {
        // 清空现有物品
        this.clearItems();
        this._bgPath = bgPath;
        this._totalItems = itemcnt;
        this._itemSpinePaths = itemSpinePaths;
        this._itemcnt = itemcnt;
        this._itemScales = itemScales || this._defaultScales;

        // 加载背景图
        this.loadSprite(bgPath, (spriteFrame: SpriteFrame) => {
            console.log("loadSprite", bgPath, spriteFrame);
            if (this.lvlBg && spriteFrame) {
                this.lvlBg.spriteFrame = spriteFrame;
            }
        });
        var randomIndex = randomRangeInt(0, itemSpinePaths.length);
        // console.log("物品数量", itemcnt,"物品缩放数组长度",Difficulty.difficutyData.scales.length,"动画路径长度",itemSpinePaths.length);
        // 生成物品
        for (let i = 0; i < itemcnt; i++) {
            // 随机选择一个物品
            randomIndex = Skin.skinData.singleSelect == "true"?randomIndex: randomRangeInt(0, itemSpinePaths.length);
            this.createItem(itemSpinePaths[randomIndex], Difficulty.difficutyData.scales[i]);      
          }
    }

    /**
     * 创建物品
     * @param itemPrefab 物品预制体
     * @param scale 缩放值，null时随机缩放
     */
    private createItem(itemPrefabPath: string, scale: number | null) {
        console.log("当前spine路径", itemPrefabPath);
        const itemNode = instantiate(this.findItemPrefab);
        itemNode.parent = this.itemContainer || this.node;

        const findItem = itemNode.getComponent(FindItem);
        if (findItem) {
            var size = this.mask.getComponent(UITransform).contentSize;
            // 设置缩放
            const finalScale = scale !== null ? scale : randomRange(this.minScale, this.maxScale);
            // 设置随机位置, 不要出边框 
            var itemSize = itemNode.getComponent(UITransform).contentSize;
            var w = itemSize.width * finalScale;
            var h = itemSize.height * finalScale;

            // 随机，并尽量不要重叠
            let tryCount = 0;
            let maxTry = 50;
            let pos: Vec3;
            let overlap = false;
            do {
                overlap = false;
                const randomX = randomRange(-size.width / 2 + w / 2, size.width / 2 - w / 2);
                const randomY = randomRange(-size.height / 2 + h / 2, size.height / 2 - h / 2);
                pos = new Vec3(randomX, randomY, 0);

                // 检查与已放置物品是否重叠
                for (let other of this._findItems) {
                    let otherPos = other.node.getPosition();
                    let otherScale = other.node.scale.x;
                    let otherSize = other.node.getComponent(UITransform).contentSize;
                    let otherW = otherSize.width * otherScale;
                    let otherH = otherSize.height * otherScale;

                    // 简单的AABB重叠检测
                    if (
                        Math.abs(pos.x - otherPos.x) < (w + otherW) / 2 &&
                        Math.abs(pos.y - otherPos.y) < (h + otherH) / 2
                    ) {
                        overlap = true;
                        break;
                    }
                }
                tryCount++;
            } while (overlap && tryCount < maxTry);

            itemNode.setPosition(pos);


            findItem.setData({
                position: itemNode.getPosition(),
                scale: finalScale
            });

            // 添加spine内容
            this.loadPrefab(itemPrefabPath, (prefab: Prefab) => {
                findItem.addSpineContentByPrefab(prefab);
            });

            // 设置状态
            findItem.setState(this._currentMode === LevelMode.EDIT ? ItemState.EDIT : ItemState.NORMAL);

            // 添加到物品列表
            this._findItems.push(findItem);

            // 监听物品状态变化
            this.setupItemListeners(findItem);
        }
    }

    /**
     * 设置物品监听器
     * @param findItem 物品组件
     */
    private setupItemListeners(findItem: FindItem) {
        // 监听物品点击事件
        findItem.node.on("itemFound", () => {
            if (this._currentMode === LevelMode.NORMAL) {
                this._foundItems++;
                console.log("itemFound", this._foundItems, this._totalItems);
                // 检查是否所有物品都被找到
                if (this._foundItems >= this._totalItems) {
                    this.onLevelComplete();
                }
            }
        });
    }

    /**
     * 关卡完成回调
     */
    private onLevelComplete() {
        if (this._onLevelComplete) {
            this._onLevelComplete();
        }

        // 可以在这里添加完成动画或音效
        console.log("关卡完成！所有物品都已找到");
    }

    /**
     * 清空所有物品
     */
    private clearItems() {
        // this._findItems.forEach(item => {
        //     if (item && item.node) {
        //         item.node.destroy();
        //     }
        // });
        let count = this._findItems.length;
        for(let i = 0; i < count; i++)
        {
            const item = this._findItems.pop();
            if (item && item.node) {
                item.node.destroy();
            }
        }
        this._findItems = [];
        this._foundItems = 0;
        this._totalItems = 0;
    }

    /**
     * 设置关卡完成回调
     * @param callback 完成回调函数
     */
    public setLevelCompleteCallback(callback: Function) {
        this._onLevelComplete = callback;
    }

    /**
     * 显示提示（高亮未找到的物品）
     */
    public showHint() {
        this._findItems.forEach(item => {
            if (item.getState() === ItemState.NORMAL) {
                item.showHint();
            }
        });
    }

    public showOneHint()
    {
        for(let i = 0; i < this._findItems.length; i++)
        {
            if(this._findItems[i].getState() === ItemState.NORMAL)
            {
                this._findItems[i].showHint()
                break
            }
        }
    }

    public reset() {
        this.clearItems();
        this.swtichEditMode(false);
        this.genLvlContent(this._bgPath, this._itemSpinePaths, this._itemcnt, this._itemScales);
    }

    /**
     * 获取关卡数据（用于保存）
     */
    public getLevelData() {
        return {
            items: this._findItems.map(item => item.getData()),
            totalItems: this._totalItems
        };
    }

    /**
     * 加载精灵图片
     * @param path 图片路径
     * @param callback 回调函数
     */
    loadSprite(path: string, callback: (spriteFrame: SpriteFrame) => void) {
        LayerMgr.instance.loadSprite("editor", path, callback);
    }

    prefabMap: Map<string, Prefab> = new Map();
    /**
     * 加载预制体
     * @param path 预制体路径
     * @param callback 回调函数
     */
    loadPrefab(path: string, callback: (prefab: Prefab) => void) {
        if (this.prefabMap.has(path)) {
            callback(this.prefabMap.get(path));
            return;
        }
        LayerMgr.instance.loadPrefab("editor", path, (prefab: Prefab) => {
            this.prefabMap.set(path, prefab);
            callback(prefab);
        });
    }

    addResetListener()
    {
        EventMgr.ins.addEventListener("regenerate",this.regenerate,this)
    }

    regenerate()
    {
        this.clearItems();
        this.swtichEditMode(false);
        this.genLvlContent(this._bgPath, Skin.getSelectSkinPath(), Difficulty.difficutyData.difficutyCount, this._itemScales);
    }

    showOrHideScale(isShow: boolean)
    {
        for(let i = 0; i < this._findItems.length; i++)
        {
            this._findItems[i].showOrHideScale(isShow)
        }
    }
}