import { instantiate, Node, Prefab, Vec3 ,v3,resources,SpriteFrame,Sprite,SpriteAtlas, BoxCollider2D, 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 { HeroAttrsComp } from "./HeroAttrsComp";
import { HeroViewComp } from "./HeroViewComp";
import { BoxSet, FacSet, FightSet, IndexSet } from "../common/config/GameSet";
import { HeroInfo, HeroPos, resolveFormationTargetX } from "../common/config/heroSet";
import { GameEvent } from "../common/config/GameEvent";
import { Attrs} from "../common/config/HeroAttrs";
import { MoveComp } from "./MoveComp";
import { mLogger } from "../common/Logger";
/** 英雄实体：负责英雄节点创建、属性初始化、入场动画与销毁流程 */
@ecs.register(`Hero`)

export class Hero extends ecs.Entity {
    /** 英雄数据组件引用 */
    HeroModel!: HeroAttrsComp;
    /** 英雄表现组件引用 */
    View!: HeroViewComp;
    /** 英雄移动组件引用 */
    HeroMove!: MoveComp;
    /** 调试开关，开启后输出实体层级等调试信息 */
    debugMode: boolean = false;

    /** 注册实体必需组件：移动 + 属性 */
    protected init() {
        this.addComponents<ecs.Comp>(
            MoveComp,
            HeroAttrsComp,
        );
    }

    /** 销毁实体并释放视图节点，防止残留碰撞体与显示对象 */
    destroy(): void {
        // 优先销毁节点，避免实体销毁后场景仍残留可见对象
        const view = this.get(HeroViewComp);
        if (view && view.node && view.node.isValid) {
            view.node.destroy();
        }

        // 手动移除组件，确保 ecs 侧引用及时释放
        this.remove(HeroViewComp);
        this.remove(HeroAttrsComp);
        super.destroy();
    }


    /**
     * 加载并初始化英雄
     * 1) 创建节点并挂到 HERO 层
     * 2) 初始化表现与属性数据
     * 3) 播放下落入场并在落地后启用碰撞与移动
     */
    load(pos: Vec3 = Vec3.ZERO,scale:number = 1,uuid:number=1001, dropToY:number = pos.y,hero_lv:number=1) {
        // 英雄始终朝右，表现缩放固定为正向
        scale = 1
        // 英雄等级在当前规则下上限为 3，避免超配表范围
        if(hero_lv>3) hero_lv=3
        // 英雄尺寸随等级做轻量放大，强化成长反馈
        let size=1+0.1*hero_lv
        // 根据配置路径加载英雄预制体
        var path =  "game/heros/"+HeroInfo[uuid].path;
        var prefab: Prefab = oops.res.get(path, Prefab)!;
        var node = instantiate(prefab);
        var scene = smc.map.MapView.scene;
        // 统一挂到实体显示层 HERO 节点下
        node.parent = scene.entityLayer!.node!.getChildByName("HERO")!;
        const collider = node.getComponent(BoxCollider2D);
        // 入场过程暂不参与碰撞，防止半空触发战斗逻辑
        if (collider) collider.enabled = false;
        node.setScale(size*node.scale.x,size*node.scale.y);
        node.setPosition(pos)
        
        // 输出节点层级信息，便于排查遮挡与渲染顺序问题
        mLogger.log(this.debugMode,"hero",node.getSiblingIndex());

        var hv = node.getComponent(HeroViewComp)!;
        const model = this.get(HeroAttrsComp);
        // 从配置中读取英雄静态数据
        let hero = HeroInfo[uuid];
        
        // 视图层参数：朝向与碰撞阵营
        hv.scale = 1;
        hv.box_group = BoxSet.HERO;
        // 模型层参数：身份、阵营、等级、职业
        model.hero_uuid = uuid;
        model.hero_name = hero.name;
        model.lv = hero_lv;
        model.type = hero.type;
        model.fac = FacSet.HERO;
        
        // 基础属性按等级倍率初始化
        model.ap = hero.ap*model.lv;
        model.hp=  model.hp_max = hero.hp*model.lv;
        model.speed = hero.speed;

        // 构建技能表并注入运行时冷却字段 ccd
        model.skills = {};
        for (const key in hero.skills) {
            const skill = hero.skills[key];
            if (!skill) continue;
            // 最终技能等级 = 初始技能等级 + 英雄等级增量，且下限为 0
            model.skills[skill.uuid] = { ...skill, lv: Math.max(0,skill.lv + hero_lv - 2), ccd: 0 };
        }
        // 缓存技能射程等派生数据，减少战斗帧内重复计算
        model.updateSkillDistanceCache();
            
        // 初始化属性系统（buff/debuff 等动态属性容器）
        model.initAttrs();

        // 将视图组件注册到实体，打通逻辑与表现
        this.add(hv);
        hv.init();
        // 广播主角召唤事件，触发外部系统监听逻辑
        oops.message.dispatchEvent(GameEvent.MasterCalled,{uuid:uuid})

        // 初始化移动组件：方向、目标 X、站位基准 Y
        const move = this.get(MoveComp);
        move.direction = 1;
        move.targetX = resolveFormationTargetX(model.fac, model.type);
        move.baseY = dropToY;
        move.moving = false;
        hv.as.idle();

        // 依据下落距离自适应入场时长，保证手感稳定
        const dropDistance = Math.abs(pos.y - dropToY);
        const dropDuration = Math.max(0.18, Math.min(0.38, dropDistance / 1200));

        // 停止旧动画后执行下落 tween，避免复用节点时动画叠加
        Tween.stopAllByTarget(node);
        tween(node)
            .to(dropDuration, { position: v3(pos.x, dropToY, 0) })
            .call(() => {
                if (!node || !node.isValid) return;
                // 落地后锁定最终位置，切换到落地完成状态
                node.setPosition(pos.x, dropToY, 0);
                hv.playEnd("down");
                move.moving = true;
                // 落地后再启用碰撞，避免空中阶段触发伤害结算
                if (collider) {
                    collider.enabled = true;
                    collider.group = BoxSet.HERO;
                    collider.apply();
                }
            })
            .start();
        // 维护关卡内英雄数量统计
        smc.vmdata.mission_data.hero_num++
    }
 
    /** 重置入口：复用 destroy 的释放流程 */
    reset() {
        super.destroy();
    }

}

/** 统一生命周期系统：按 fac 区分英雄与怪物并输出日志 */
@ecs.register('BattleEntityLifecycleSystem')
export class BattleEntityLifecycleSystem extends ecs.ComblockSystem 
    implements ecs.IEntityEnterSystem, ecs.IEntityRemoveSystem {
    
    /** 仅处理拥有 MoveComp 的实体 */
    filter() {
        return ecs.allOf(MoveComp);
    }
    
    /** 基于阵营生成日志名称 */
    private resolveLabel(heroAttrs: HeroAttrsComp | null) {
        if (!heroAttrs) return "未知";
        if (heroAttrs.fac === FacSet.HERO) return "英雄";
        if (heroAttrs.fac === FacSet.MON) return "怪物";
        return "未知";
    }

    /** 实体进入世界时记录日志 */
    entityEnter(e: ecs.Entity): void {
        const heroAttrs = e.get(HeroAttrsComp);
        const label = this.resolveLabel(heroAttrs);
        if (heroAttrs) {
            mLogger.log(heroAttrs.debugMode, 'BattleEntityLifecycle', `${label}进入世界: ${heroAttrs.hero_name}`);
        } else {
            mLogger.log(true, 'BattleEntityLifecycle', `${label}进入世界: 实体ID ${e.eid}`);
        }
    }
    
    /** 实体离开世界时记录日志 */
    entityRemove(e: ecs.Entity): void {
        const heroAttrs = e.get(HeroAttrsComp);
        const label = this.resolveLabel(heroAttrs);
        if (heroAttrs) {
            mLogger.log(heroAttrs.debugMode, 'BattleEntityLifecycle', `${label}离开世界: ${heroAttrs.hero_name}`);
        } else {
            mLogger.log(true, 'BattleEntityLifecycle', `${label}离开世界: 实体ID ${e.eid}`);
        }
    }
}