import { mLogger } from "../common/Logger";
import { _decorator, EventTouch, Label, Node, NodeEventType, Sprite, SpriteAtlas, Tween, tween, UIOpacity, 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 { CardConfig, CardType } from "../common/config/CardSet";



const { ccclass, property } = _decorator;

/** 视图层对象 */
@ccclass('CardComp')
@ecs.register('CardComp', false)
export class CardComp extends CCComp {
    private debugMode: boolean = true;
    /** 锁定态图标节点（显示时表示本槽位锁定） */
    @property(Node)
    Lock: Node = null!
    @property(Node)
    unLock: Node = null!
    @property(Node)
    ap_node=null!
    @property(Node)
    hp_node=null!
    @property(Node)
    name_node=null!
    @property(Node)
    icon_node=null!
    @property(Node)
    cost_node=null!

    card_cost:number=0
    card_type:CardType=CardType.Hero
    card_uuid:number=0
    /** 是否处于锁定状态（锁定且有卡时，抽卡分发会被跳过） */
    private isLocked: boolean = false;
    /** 图标图集缓存（后续接图标资源时直接复用） */
    private uiconsAtlas: SpriteAtlas | null = null;
    /** 当前槽位承载的卡牌数据，null 表示空槽 */
    private cardData: CardConfig | null = null;
    private readonly dragUseThreshold: number = 70;
    private touchStartY: number = 0;
    private isDragging: boolean = false;
    private isUsing: boolean = false;
    private restPosition: Vec3 = new Vec3();
    private opacityComp: UIOpacity | null = null;

    onLoad() {
        /** 初始阶段只做UI状态准备，不触发业务逻辑 */
        this.bindEvents();
        this.restPosition = this.node.position.clone();
        this.opacityComp = this.node.getComponent(UIOpacity) || this.node.addComponent(UIOpacity);
        this.opacityComp.opacity = 255;
        this.updateLockUI();
        this.applyEmptyUI();

    }
    
    onDestroy() {
        this.unbindEvents();
    }
    init(){
        this.onMissionStart();
    }
    
    /** 游戏开始初始化 */
    onMissionStart() {
        
    }

    /** 游戏结束清理 */
    onMissionEnd() {
        
    }
    start() {
        /** 单卡节点常驻，由数据控制显示内容 */
        this.node.active = true;
    }

    /** 兼容旧接口：外部通过该入口更新卡牌 */
    updateCardInfo(card:Node, data: CardConfig){
        this.applyDrawCard(data);
    }

    private updateIcon(node: Node, iconId: string) {
       
    }

    /** 兼容旧接口：按索引更新卡牌（当前由 MissionCardComp 顺序分发） */
    updateCardData(index: number, data: CardConfig) {
        this.applyDrawCard(data);
    }

    /** 兼容按钮回调入口：触发单卡使用 */
    selectCard(e: any, index: string) {
       this.useCard();
    }


    /**
     * 关闭界面
     */
    close() {
       
    }

    /** 抽卡分发入口：返回 true 表示本次已成功接收新卡 */
    applyDrawCard(data: CardConfig | null): boolean {
        if (!data) return false;
        /** 锁定且已有旧卡时，跳过本次刷新，保持老卡 */
        if (this.isLocked && this.cardData) {
            mLogger.log(this.debugMode, "CardComp", "slot locked, skip update", this.card_uuid);
            return false;
        }
        this.cardData = data;
        this.card_uuid = data.uuid;
        this.card_type = data.type;
        this.card_cost = data.cost;
        this.node.active = true;
        this.applyCardUI();
        this.playRefreshAnim();
        mLogger.log(this.debugMode, "CardComp", "card updated", {
            uuid: this.card_uuid,
            type: this.card_type,
            cost: this.card_cost
        });
        return true;
    }

    /** 使用当前卡牌：仅做UI层清空，不触发效果事件（下一步再接） */
    useCard(): CardConfig | null {
        if (!this.cardData || this.isUsing) return null;
        this.isUsing = true;
        const used = this.cardData;
        mLogger.log(this.debugMode, "CardComp", "use card", {
            uuid: used.uuid,
            type: used.type
        });
        this.playUseDisappearAnim(() => {
            this.clearAfterUse();
            this.isUsing = false;
        });
        return used;
    }

    /** 查询槽位是否有卡 */
    hasCard(): boolean {
        return !!this.cardData;
    }

    /** 外部设置锁定态 */
    setLocked(value: boolean) {
        this.isLocked = value;
        this.updateLockUI();
    }

    /** 外部读取当前锁定态 */
    isSlotLocked(): boolean {
        return this.isLocked;
    }

    /** 系统清槽：用于任务开始/结束等强制重置场景 */
    clearBySystem() {
        Tween.stopAllByTarget(this.node);
        if (this.opacityComp) {
            Tween.stopAllByTarget(this.opacityComp);
            this.opacityComp.opacity = 255;
        }
        this.cardData = null;
        this.card_uuid = 0;
        this.card_cost = 0;
        this.card_type = CardType.Hero;
        this.isLocked = false;
        this.isDragging = false;
        this.isUsing = false;
        this.node.setPosition(this.restPosition);
        this.node.setScale(new Vec3(1, 1, 1));
        this.updateLockUI();
        this.applyEmptyUI();
        this.node.active = false;
    }

    /** 卡牌被玩家使用后的清槽行为 */
    private clearAfterUse() {
        Tween.stopAllByTarget(this.node);
        if (this.opacityComp) {
            Tween.stopAllByTarget(this.opacityComp);
            this.opacityComp.opacity = 255;
        }
        this.cardData = null;
        this.card_uuid = 0;
        this.card_cost = 0;
        this.card_type = CardType.Hero;
        this.isLocked = false;
        this.isDragging = false;
        this.node.setPosition(this.restPosition);
        this.node.setScale(new Vec3(1, 1, 1));
        this.updateLockUI();
        this.applyEmptyUI();
        this.node.active = false;
    }

    /** 绑定触控：卡面点击使用，锁按钮点击切换锁定 */
    private bindEvents() {
        this.node.on(NodeEventType.TOUCH_START, this.onCardTouchStart, this);
        this.node.on(NodeEventType.TOUCH_MOVE, this.onCardTouchMove, this);
        this.node.on(NodeEventType.TOUCH_END, this.onCardTouchEnd, this);
        this.node.on(NodeEventType.TOUCH_CANCEL, this.onCardTouchCancel, this);
        this.Lock?.on(NodeEventType.TOUCH_END, this.onToggleLock, this);
        this.unLock?.on(NodeEventType.TOUCH_END, this.onToggleLock, this);
    }

    /** 解绑触控，防止节点销毁后残留回调 */
    private unbindEvents() {
        this.node.off(NodeEventType.TOUCH_START, this.onCardTouchStart, this);
        this.node.off(NodeEventType.TOUCH_MOVE, this.onCardTouchMove, this);
        this.node.off(NodeEventType.TOUCH_END, this.onCardTouchEnd, this);
        this.node.off(NodeEventType.TOUCH_CANCEL, this.onCardTouchCancel, this);
        this.Lock?.off(NodeEventType.TOUCH_END, this.onToggleLock, this);
        this.unLock?.off(NodeEventType.TOUCH_END, this.onToggleLock, this);
    }

    private onCardTouchStart(event: EventTouch) {
        if (!this.cardData || this.isUsing) return;
        this.touchStartY = event.getUILocation().y;
        this.isDragging = true;
    }

    private onCardTouchMove(event: EventTouch) {
        if (!this.isDragging || !this.cardData || this.isUsing) return;
        const currentY = event.getUILocation().y;
        const deltaY = Math.max(0, currentY - this.touchStartY);
        this.node.setPosition(this.restPosition.x, this.restPosition.y + deltaY, this.restPosition.z);
    }

    /** 上拉超过阈值才视为使用，否则回弹原位 */
    private onCardTouchEnd(event: EventTouch) {
        if (!this.isDragging || !this.cardData || this.isUsing) return;
        const endY = event.getUILocation().y;
        const deltaY = endY - this.touchStartY;
        this.isDragging = false;
        if (deltaY >= this.dragUseThreshold) {
            this.useCard();
            return;
        }
        this.playReboundAnim();
    }

    private onCardTouchCancel() {
        if (!this.isDragging || this.isUsing) return;
        this.isDragging = false;
        this.playReboundAnim();
    }

    /** 点击锁控件：切换锁态；空槽不允许锁定 */
    private onToggleLock(event?: Event) {
        if (!this.cardData) return;
        this.isLocked = !this.isLocked;
        this.updateLockUI();
        mLogger.log(this.debugMode, "CardComp", "toggle lock", {
            uuid: this.card_uuid,
            locked: this.isLocked
        });
        event?.stopPropagation();
    }

    /** 根据锁态刷新 Lock / unLock 显示 */
    private updateLockUI() {
        if (this.Lock) this.Lock.active = this.isLocked;
        if (this.unLock) this.unLock.active = !this.isLocked;
    }

    /** 根据当前 cardData 渲染卡面文字与图标 */
    private applyCardUI() {
        if (!this.cardData) {
            this.applyEmptyUI();
            return;
        }
        if (this.opacityComp) this.opacityComp.opacity = 255;
        this.node.setPosition(this.restPosition);
        this.setLabel(this.name_node, `${CardType[this.card_type]}-${this.card_uuid}`);
        this.setLabel(this.cost_node, `${this.card_cost}`);
        if (this.ap_node) this.ap_node.active = false;
        if (this.hp_node) this.hp_node.active = false;
        this.updateIcon(this.icon_node, `${this.card_uuid}`);
    }

    private playRefreshAnim() {
        Tween.stopAllByTarget(this.node);
        this.node.setPosition(this.restPosition);
        this.node.setScale(new Vec3(0.92, 0.92, 1));
        tween(this.node)
            .to(0.08, { scale: new Vec3(1.06, 1.06, 1) })
            .to(0.1, { scale: new Vec3(1, 1, 1) })
            .start();
    }

    private playReboundAnim() {
        Tween.stopAllByTarget(this.node);
        tween(this.node)
            .to(0.12, {
                position: this.restPosition,
                scale: new Vec3(1, 1, 1)
            })
            .start();
    }

    private playUseDisappearAnim(onComplete: () => void) {
        const targetPos = new Vec3(this.restPosition.x, this.restPosition.y + 120, this.restPosition.z);
        Tween.stopAllByTarget(this.node);
        if (this.opacityComp) {
            Tween.stopAllByTarget(this.opacityComp);
            this.opacityComp.opacity = 255;
            tween(this.opacityComp)
                .to(0.18, { opacity: 0 })
                .start();
        }
        tween(this.node)
            .to(0.18, {
                position: targetPos,
                scale: new Vec3(0.8, 0.8, 1)
            })
            .call(onComplete)
            .start();
    }

    /** 渲染空槽状态 */
    private applyEmptyUI() {
        this.setLabel(this.name_node, "");
        this.setLabel(this.cost_node, "");
        if (this.ap_node) this.ap_node.active = false;
        if (this.hp_node) this.hp_node.active = false;
        const sprite = this.icon_node?.getComponent(Sprite);
        if (sprite) sprite.spriteFrame = null;
    }

    /** 安全设置文本，兼容节点上或子节点上的 Label */
    private setLabel(node: Node | null, value: string) {
        if (!node) return;
        const label = node.getComponent(Label) || node.getComponentInChildren(Label);
        if (label) label.string = value;
    }

    /** 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() {
        this.node.destroy();
    }
}