import { _decorator, Animation, CCInteger, Collider2D, Contact2DType, UITransform, v3, Vec3 } from "cc";
import { ecs } from "../../../../extensions/oops-plugin-framework/assets/libs/ecs/ECS";
import { CCComp } from "../../../../extensions/oops-plugin-framework/assets/module/common/CCComp";
import { HeroViewComp } from "../hero/HeroViewComp";
import { BuffsList, DTType, EType, RType, SkillConfig, SkillSet } from "../common/config/SkillSet";
import { SDataCom } from "./SDataCom";
import { Attrs } from "../common/config/HeroAttrs";
import { HeroAttrsComp } from "../hero/HeroAttrsComp";
import { DamageQueueHelper } from "../hero/DamageQueueComp";
import { mLogger } from "../common/Logger";

const { ccclass, property } = _decorator;

/** 视图层对象 */
@ccclass('SkillView')
@ecs.register('SkillView', false)
export class SkillView extends CCComp {
    /** 视图层逻辑代码分离演示 */
    @property({ type: CCInteger })
    atk_x: number = 0
    @property({ type: CCInteger })
    atk_y: number = 0

    @property({ tooltip: "是否启用调试日志" })
    private debugMode: boolean = true;

    anim:Animation=null;
    group:number=0;
    SConf:SkillConfig=null;
    sData:SDataCom=null;
    s_uuid:number=1001
    private collider: Collider2D = null; // 缓存碰撞体引用
    private attackFrameCount: number = 0; // 攻击帧计数器
    private maxAttackFrames: number = 1; // 最大攻击帧数，可配置
    // 已命中目标追踪，防止重复伤害
    start() {
        this.init();
    }
    
    init() {
        this.SConf = SkillSet[this.s_uuid]
        this.sData = this.ent.get(SDataCom)
        this.anim = this.node.getComponent(Animation)
        this.node.active = true;
        this.collider = this.getComponent(Collider2D);
        if(this.collider) {
            this.collider.group = this.group;
            this.collider.on(Contact2DType.BEGIN_CONTACT, this.onBeginContact, this);
            this.collider.enabled = true; // 确保复用时开启
        }
        if(this.node.getComponent(Animation)){
            let anim = this.node.getComponent(Animation);
            mLogger.log(this.debugMode, 'SkillView', "[SkillCom]:has anim",anim)
            anim.on(Animation.EventType.FINISHED, this.onAnimationFinished, this);
            
            // 对象池复用时，需要手动播放默认动画（因为 Play On Load 只在首次生效）
            if (anim.defaultClip) {
                anim.play(anim.defaultClip.name);
            }
        }
        this.attackFrameCount = 0; // 重置攻击帧计数
    }
    onBeginContact (seCol: Collider2D, oCol: Collider2D) {
         // 安全获取双方信息用于日志
        const casterName = this.sData.caster?.ent?.get(HeroAttrsComp)?.hero_name ?? '未知施法者';
        const casterEid = this.sData.casterEid;
        const targetView = oCol.getComponent(HeroViewComp);
        const targetName = targetView?.ent?.get(HeroAttrsComp)?.hero_name ?? '非英雄对象';
        const targetEid = targetView?.ent?.eid ?? '未知EID';
        mLogger.log(this.debugMode, 'SkillView', `[skillView] 碰撞1 [${this.sData.caster.box_group}][${casterName}][${casterEid}]的[${seCol.group}]:[${this.SConf.name}][${this.ent.eid}]碰撞了  [${oCol.group}]:[ ${targetName}][${targetEid}]`);
        // 基本空值与同组过滤
        if (!this.sData || !this.SConf) {
            mLogger.warn(this.debugMode, 'SkillView', '[SkillView] onBeginContact 缺少 sData 或 SConf，忽略此次碰撞');
            return;
        }
        if (oCol.group === seCol.group) return;
        // 不是 HeroViewComp，直接忽略
        if (!targetView) return;
        // 🔥 方案A：防御性检查 - 在获取model前强制检查ent是否存在
        if (!targetView.ent) {
            mLogger.warn(this.debugMode, 'SkillView', '[SkillView] onBeginContact targetView.ent为空，实体已销毁，忽略此次碰撞');
            return;
        }
        let model = targetView.ent.get(HeroAttrsComp);
        mLogger.log(this.debugMode, 'SkillView', `[skillView] 碰撞3`, oCol.group, seCol.group, model);
        if (!model) return;
        if (model.is_dead) return;
        if (this.sData.fac == model.fac) return;
        // 检查是否已经命中过这个目标（日志安全输出）
        this.apply_damage(targetView)
    }

    onAnimationFinished(){
       if(this.SConf.EType==EType.animationEnd){
            this.ent.destroy()
       }
    }
    // //动画帧事件 atk 触发
     public  atk(args:any){
        this.attackFrameCount++;
        
        // 开启碰撞检测
        if(this.collider) {
            this.collider.enabled = true;
            mLogger.log(this.debugMode, 'SkillView', `[SkillView] [${this.SConf?.name}] 第${this.attackFrameCount}次攻击帧开启碰撞检测`);
        }
        
    }
    //伤害应用
    apply_damage(target:HeroViewComp,is_range:boolean=false){
        if(target == null) return;
        // 安全检查：如果目标实体已不存在，直接返回
        if (!target.ent) return;
        if (!this.SConf) return;
         // 检查技能是否应该销毁
        const max_hit_count=this.SConf.hit + this.sData.Attrs[Attrs.puncture]
        if ( this.sData.hit_count >= max_hit_count ) {
            this.close_collider()
            return
        }
        // 对于非持续碰撞类型的技能，在造成伤害后立即关闭碰撞检测
        // 这样可以避免同一帧内的重复伤害
        if(this.SConf.EType !== EType.collision && this.collider) {
            this.collider.enabled = false;
            mLogger.log(this.debugMode, 'SkillView', `[SkillView] [${this.SConf.name}] 伤害后关闭碰撞检测`);
        }
        
        // 安全获取名称，防止实体销毁导致的空指针异常
        const casterName = this.sData.caster?.ent?.get(HeroAttrsComp)?.hero_name ?? "未知施法者";
        const targetName = target.ent.get(HeroAttrsComp)?.hero_name ?? "未知目标";
        
        mLogger.log(this.debugMode, 'SkillView', `[skillView] 伤害 [${this.group}][${casterName}][${this.sData.casterEid}]的 [${this.SConf.name}]对 [${target.box_group}][ ${targetName}][${target.ent.eid}]`);
        // 使用伤害队列系统处理伤害
        DamageQueueHelper.addDamageToEntity(
            target.ent,
            this.sData.Attrs,
            this.sData.casterEid,
            this.sData.s_uuid,
            this.sData.ext_dmg,
            this.sData.dmg_ratio,
        );

        // 更新技能命中次数
        this.sData.hit_count++
        if (
                (this.SConf.DTType != DTType.range) &&
                (this.SConf.EType != EType.animationEnd) &&
                (this.SConf.EType != EType.timeEnd)
            ) {
                // 修复：物理回调中不能直接销毁刚体，需延迟到下一帧
                this.close_collider();
                this.scheduleOnce(() => {
                    if (this.ent) {
                        this.ent.destroy();
                    }
                }, 0);
            }
    }
    close_collider(){
        if (this.collider) {
            this.collider.enabled = false;
        }
    }
    /** 视图对象通过 ecs.Entity.remove(ModuleViewComp) 删除组件是触发组件处理自定义释放逻辑 */
    reset() {
        // 清理碰撞体事件监听
        if (this.collider) {
            this.collider.off(Contact2DType.BEGIN_CONTACT);
        }
        // 取消所有定时器
        this.unscheduleAllCallbacks();
        this.node.destroy();
    }
}