import { instantiate, Node, Prefab, Vec3 ,v3,resources,SpriteFrame,Sprite,SpriteAtlas, BoxCollider2D, NodePool, tween, Tween} from "cc";
import { oops } from "../../../../extensions/oops-plugin-framework/assets/core/Oops";
import { ecs } from "../../../../extensions/oops-plugin-framework/assets/libs/ecs/ECS";
import { smc } from "../common/SingletonModuleComp";
import { BoxSet, FacSet, FightSet, IndexSet } from "../common/config/GameSet";
import { HeroInfo } from "../common/config/heroSet";
import { HeroAttrsComp } from "./HeroAttrsComp";
import { HeroViewComp } from "./HeroViewComp";
import { MoveComp } from "./MoveComp";
import { mLogger } from "../common/Logger";
/** 角色实体 */
@ecs.register(`Monster`)
export class Monster extends ecs.Entity {
    HeroModel!: HeroAttrsComp;
    HeroView!: HeroViewComp;
    MonMove!: MoveComp;
    private debugMode: boolean = false;  // 是否启用调试模式

    // 多键对象池：Map<prefabPath, NodePool>
    static pools: Map<string, NodePool> = new Map();
    static readonly MAX_POOL_SIZE: number = 12;
    static readonly MAX_POOL_TOTAL: number = 60;
    private static totalPoolSize(): number {
        let total = 0;
        this.pools.forEach((pool) => {
            total += pool.size();
        });
        return total;
    }

    static getFromPool(path: string): Node | null {
        if (this.pools.has(path)) {
            const pool = this.pools.get(path)!;
            while (pool.size() > 0) {
                const node = pool.get();
                if (node && node.isValid) {
                    return node;
                }
            }
        }
        return null;
    }

    static putToPool(path: string, node: Node) {
        if (!node || !node.isValid) return;
        if (!this.pools.has(path)) {
            this.pools.set(path, new NodePool());
        }
        const pool = this.pools.get(path)!;
        if (pool.size() >= this.MAX_POOL_SIZE || this.totalPoolSize() >= this.MAX_POOL_TOTAL) {
            node.destroy();
            return;
        }
        pool.put(node);
    }

    static clearPools() {
        this.pools.forEach((pool) => {
            while (pool.size() > 0) {
                const node = pool.get();
                if (node && node.isValid) {
                    node.destroy();
                }
            }
            pool.clear();
        });
        this.pools.clear();
    }

    static getPoolStats() {
        let total = 0;
        this.pools.forEach((pool) => {
            total += pool.size();
        });
        return {
            paths: this.pools.size,
            total,
            maxPerPath: this.MAX_POOL_SIZE,
            maxTotal: this.MAX_POOL_TOTAL
        };
    }

    protected init() {
        this.addComponents<ecs.Comp>(
            MoveComp,
            HeroAttrsComp,
        );
    }

    destroy(): void {
        // 回收节点到对象池
        const model = this.get(HeroAttrsComp);
        const view = this.get(HeroViewComp);
        if (model && view && view.node && view.node.isValid) {
             const path = "game/heros/" + HeroInfo[model.hero_uuid].path;
             Monster.putToPool(path, view.node);
        }
        
        this.remove(HeroViewComp);
        this.remove(HeroAttrsComp);
        super.destroy();
    }

    /** 加载角色 */
    load(pos: Vec3 = Vec3.ZERO,scale:number = 1,uuid:number=1001, is_boss:boolean=false, dropToY:number = pos.y) {
        scale=-1
        let size=1
        var scene = smc.map.MapView.scene;
        var path =  "game/heros/"+HeroInfo[uuid].path;
        
        // 尝试从池中获取
        let node = Monster.getFromPool(path);
        if (!node) {
            var prefab: Prefab = oops.res.get(path, Prefab)!;
            node = instantiate(prefab);
        }

        node.parent = scene.entityLayer!.node!.getChildByName("HERO")!;
        var view = node.getComponent(HeroViewComp)!;
        const collider = node.getComponent(BoxCollider2D);
        if (collider) {
            collider.enabled = false;
        }
        
        node.setScale(size*node.scale.x,size*node.scale.y);
        node.setPosition(pos)
        const model = this.get(HeroAttrsComp);
        let hero = HeroInfo[uuid];  // 共用英雄数据
        // 设置 View 层属性（表现相关）
        view.scale = scale;
        view.box_group = BoxSet.MONSTER;
        // 设置 Model 层属性 基础属性
        model.hero_uuid = uuid;
        model.hero_name = hero.name;
        model.hp = model.hp_max = hero.hp;
        model.ap = hero.ap;
        model.speed = hero.speed; // 使用成长后的速度
        model.type = hero.type;
        model.fac = FacSet.MON;
        model.is_boss =is_boss
        if(!model.is_boss){
            model.is_kalami = true;
        }
        model.skills = {};
        for (const key in hero.skills) {
            const skill = hero.skills[key];
            if (!skill) continue;
            model.skills[skill.uuid] = { ...skill, ccd: 0 };
        }
        model.updateSkillDistanceCache();
        //根据刷怪控制脚本对ap和hp进行加强


        
        this.add(view);
        // 重置视图状态（对象池复用时必须）
        view.init();
        oops.message.dispatchEvent("monster_load",this)
        // 初始化移动参数，包括线路和生成顺序
        const move = this.get(MoveComp);
        move.reset();
        move.direction = -1; // 向左移动
        move.targetX = Math.max(-320, Math.min(320, pos.x));
        move.baseY = dropToY;
        move.moving = false;
        const dropDistance = Math.abs(pos.y - dropToY);
        const dropDuration = Math.max(0.18, Math.min(0.38, dropDistance / 1200));
        Tween.stopAllByTarget(node);
        tween(node)
            .to(dropDuration, { position: v3(pos.x, dropToY, 0) })
            .call(() => {
                if (!node || !node.isValid) return;
                node.setPosition(pos.x, dropToY, 0);
                view.playEnd("down");
                move.moving = true;
                if (collider) {
                    collider.enabled = true;
                    collider.group = BoxSet.MONSTER;
                    collider.apply();
                }
            })
            .start();
        smc.vmdata.mission_data.mon_num++
    }

    
    reset() {
        // 注: 自定义释放逻辑，视图层实现 ecs.IComp 接口的 ecs 组件需要手动释放
        super.destroy();
    }
    
}
@ecs.register('MonLifecycleSystem')
export class MonLifecycleSystem extends ecs.ComblockSystem 
    implements ecs.IEntityEnterSystem, ecs.IEntityRemoveSystem {
    debugMode: boolean = false;  // 是否启用调试模式    
    
    filter() {
        return ecs.allOf(MoveComp);
    }
    
    entityEnter(e: ecs.Entity): void {
        // 怪物实体创建时的特殊处理
        const heroAttrs = e.get(HeroAttrsComp);
        if (heroAttrs) {
            mLogger.log(this.debugMode, 'MonLifecycleSystem', `怪物进入世界: ${heroAttrs.hero_name}`);
        } else {
            mLogger.log(this.debugMode, 'MonLifecycleSystem', `怪物进入世界: 实体ID ${e.eid}`);
        }
    }
    
    entityRemove(e: ecs.Entity): void {
        // 怪物实体销毁时的清理工作
        const heroAttrs = e.get(HeroAttrsComp);
        if (heroAttrs) {
            mLogger.log(this.debugMode, 'MonLifecycleSystem', `怪物离开世界: ${heroAttrs.hero_name}`);
        } else {
            mLogger.log(this.debugMode, 'MonLifecycleSystem', `怪物离开世界: 实体ID ${e.eid}`);
        }
    }
}