import { _decorator, Animation, AnimationClip, Button, Event, Label, Node, NodeEventType, Sprite, resources, tween, 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 { HeroInfo, HeroList } from "../common/config/heroSet";
import { IType, SkillSet } from "../common/config/SkillSet";
import { oops } from "db://oops-framework/core/Oops";
import { mLogger } from "../common/Logger";

const {property, ccclass } = _decorator;

/** 视图层对象 */
@ccclass('HListComp')
@ecs.register('HListComp', false)
export class HListComp extends CCComp {
    @property(Node)
    hero_icon=null!
    @property(Node)
    phero_icon=null!
    @property(Node)
    nhero_icon=null!
    @property(Node)
    phero1_icon=null!
    @property(Node)
    nhero1_icon=null!
    @property(Node)
    ap_node=null!
    @property(Node)
    hp_node=null!
    @property(Node)
    info_node=null!
    @property(Node)
    name_node=null!

    @property(Node)
    pre_btn=null!
    @property(Node)
    next_btn=null!

    huuid:number=null!
    private currentIndex: number = 0;
    private iconVisualTokens: Map<Node, number> = new Map();
    private isAnimating: boolean = false;
    private carouselNodes: Node[] = [];
    private fixedPositions: Vec3[] = [];
    debugMode: boolean = false;

    onLoad() {
        this.pre_btn?.on(NodeEventType.TOUCH_END, this.onPreClick, this);
        this.next_btn?.on(NodeEventType.TOUCH_END, this.onNextClick, this);
    }

    start() {
        if (this.phero1_icon && this.phero_icon && this.hero_icon && this.nhero_icon && this.nhero1_icon) {
            this.carouselNodes = [this.phero1_icon, this.phero_icon, this.hero_icon, this.nhero_icon, this.nhero1_icon];
            this.fixedPositions = this.carouselNodes.map(n => n.position.clone());
        }

        if (HeroList && HeroList.length > 0) {
            this.currentIndex = 0;
            this.initAllNodes();
            this.updateHeroInfo();
        }
    }

    private onPreClick() {
        if (!HeroList || HeroList.length === 0 || this.isAnimating || this.carouselNodes.length < 5) return;
        this.isAnimating = true;

        this.currentIndex = (this.currentIndex - 1 + HeroList.length) % HeroList.length;

        const [n0, n1, n2, n3, n4] = this.carouselNodes;

        // n4 instantly jumps from rightmost to leftmost position to get ready to slide in
        n4.setPosition(new Vec3(this.fixedPositions[0].x, n4.position.y, n4.position.z));
        this.updateNodeAnimationByOffset(n4, -2);
        this.updateHeroInfo();

        tween(n0).to(0.2, { position: new Vec3(this.fixedPositions[1].x, n0.position.y, n0.position.z) }).start();
        tween(n1).to(0.2, { position: new Vec3(this.fixedPositions[2].x, n1.position.y, n1.position.z) }).start();
        tween(n2).to(0.2, { position: new Vec3(this.fixedPositions[3].x, n2.position.y, n2.position.z) }).start();
        tween(n3).to(0.2, { position: new Vec3(this.fixedPositions[4].x, n3.position.y, n3.position.z) })
            .call(() => {
                this.carouselNodes = [n4, n0, n1, n2, n3];
                this.isAnimating = false;
            })
            .start();
    }

    private onNextClick() {
        if (!HeroList || HeroList.length === 0 || this.isAnimating || this.carouselNodes.length < 5) return;
        this.isAnimating = true;

        this.currentIndex = (this.currentIndex + 1) % HeroList.length;

        const [n0, n1, n2, n3, n4] = this.carouselNodes;

        // n0 instantly jumps from leftmost to rightmost position to get ready to slide in
        n0.setPosition(new Vec3(this.fixedPositions[4].x, n0.position.y, n0.position.z));
        this.updateNodeAnimationByOffset(n0, 2);
        this.updateHeroInfo();

        tween(n1).to(0.2, { position: new Vec3(this.fixedPositions[0].x, n1.position.y, n1.position.z) }).start();
        tween(n2).to(0.2, { position: new Vec3(this.fixedPositions[1].x, n2.position.y, n2.position.z) }).start();
        tween(n3).to(0.2, { position: new Vec3(this.fixedPositions[2].x, n3.position.y, n3.position.z) }).start();
        tween(n4).to(0.2, { position: new Vec3(this.fixedPositions[3].x, n4.position.y, n4.position.z) })
            .call(() => {
                this.carouselNodes = [n1, n2, n3, n4, n0];
                this.isAnimating = false;
            })
            .start();
    }

    private getHeroUuid(offset: number): number {
        const len = HeroList.length;
        return HeroList[(this.currentIndex + offset + len * 5) % len];
    }

    private updateNodeAnimationByOffset(node: Node, offset: number) {
        const uuid = this.getHeroUuid(offset);
        this.updateHeroAnimation(node, uuid);
    }

    private updateHeroInfo() {
        this.huuid = this.getHeroUuid(0);
        const hero = HeroInfo[this.huuid];
        if (!hero) return;

        this.setLabelText(this.name_node, hero.name);
        this.setLabelText(this.ap_node, `攻击力: ${hero.ap}`);
        this.setLabelText(this.hp_node, `生命值: ${hero.hp}`);
        this.updateSkillInfo(hero);
    }

    private initAllNodes() {
        if (this.carouselNodes.length < 5) return;
        this.updateNodeAnimationByOffset(this.carouselNodes[0], -2);
        this.updateNodeAnimationByOffset(this.carouselNodes[1], -1);
        this.updateNodeAnimationByOffset(this.carouselNodes[2], 0);
        this.updateNodeAnimationByOffset(this.carouselNodes[3], 1);
        this.updateNodeAnimationByOffset(this.carouselNodes[4], 2);
    }

    private setLabelText(node: Node, text: string) {
        if (!node) return;
        const label = node.getComponent(Label) || node.getComponentInChildren(Label);
        if (label) {
            label.string = text;
        }
    }

    private updateHeroAnimation(node: Node, uuid: number) {
        if (!node) return;
        const sprite = node.getComponent(Sprite) || node.getComponentInChildren(Sprite);
        if (sprite) sprite.spriteFrame = null;
        
        const hero = HeroInfo[uuid];
        if (!hero) return;
        
        const anim = node.getComponent(Animation) || node.addComponent(Animation);
        this.clearAnimationClips(anim);
        
        let token = (this.iconVisualTokens.get(node) || 0) + 1;
        this.iconVisualTokens.set(node, token);
        const path = `game/heros/hero/${hero.path}/idle`;
        
        resources.load(path, AnimationClip, (err, clip) => {
            if (err || !clip) {
                mLogger.log(this.debugMode, "HListComp", `load hero animation failed ${uuid}`, err);
                return;
            }
            if (token !== this.iconVisualTokens.get(node)) {
                return;
            }
            this.clearAnimationClips(anim);
            anim.addClip(clip);
            anim.play("idle");
        });
    }

    private clearAnimationClips(anim: Animation) {
        const clips = anim.clips;
        if (clips && clips.length > 0) {
            for (let i = clips.length - 1; i >= 0; i--) {
                const clip = clips[i];
                if (clip) anim.removeClip(clip, true);
            }
        }
    }

    private findNodeByName(root: Node, name: string): Node | null {
        if (!root) return null;
        if (root.name === name) return root;
        for (let i = 0; i < root.children.length; i++) {
            const res = this.findNodeByName(root.children[i], name);
            if (res) return res;
        }
        return null;
    }

    private updateSkillInfo(hero: any) {
        if (!this.info_node) return;
        
        const skills = Object.values(hero.skills || {});
        
        for (let i = 1; i <= 5; i++) {
            let line = this.findNodeByName(this.info_node, `Line${i}`) || this.findNodeByName(this.info_node, `line${i}`);
            if (!line) continue;
            
            const skill: any = skills[i - 1];
            if (skill) {
                line.active = true;
                const skillId = skill.uuid;
                const config = SkillSet[skillId];
                
                const text = config ? `${config.name} Lv.${skill.lv} CD:${skill.cd}s ${config.info}` : `未知技能 CD:${skill.cd}s`;
                
                const noteNode = this.findNodeByName(line, "note");
                const label = noteNode?.getComponent(Label) || noteNode?.getComponentInChildren(Label) || line.getComponentInChildren(Label);
                if (label) {
                    label.string = text;
                }
                
                this.updateLineTypeIcon(line, config?.IType);
            } else {
                line.active = false;
            }
        }
    }

    private updateLineTypeIcon(line: Node, iType?: IType) {
        const meleeNode = this.findNodeByName(line, "Melee");
        const remoteNode = this.findNodeByName(line, "remote");
        const supportNode = this.findNodeByName(line, "support");
        if (meleeNode) meleeNode.active = iType === IType.Melee;
        if (remoteNode) remoteNode.active = iType === IType.remote;
        if (supportNode) supportNode.active = iType === IType.support;
    }

    /** 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();
    }
}