import { _decorator, sp } from "cc";
import GObject, { GTowards } from "../GObject";
import { JNFrameInfo } from "../../../../../extensions/ngame/assets/ngame/sync/frame/JNSyncFrame";
import GFSMBattle from "../fsm/base/GFSMBattle/GFSMBattle";
import { GFSMBattleAmin, GFSMBattleAminEnum } from "../fsm/base/GFSMBattle/GFSMBattleAmin";
import { Vec2 } from "cc";
import { v3 } from "cc";
import { GTactical } from "../../entity/GTactical";
import { JEasing, JTween } from "../../../../../extensions/ngame/assets/ngame/sync/frame/game/tween/JNFrameTween";
import { v2 } from "cc";
import GRole from "../../entity/GRole";
import { app } from "../../../App";
import { TableGRoleAttack } from "../../../../resources/config/ts/TableGRoleAttack";
import { GAttack, GAttackBase } from "../attack/GAttack";
const { ccclass, property } = _decorator;

export enum GRoleAnimEvent{
    Attack = "attack", //普通攻击
}

//角色基类
export default abstract class GRoleBase<T> extends GObject<T>{

    @property(sp.Skeleton)
    spine:sp.Skeleton;

    //角色
    role:GRole

    //状态机
    fsm:GFSMBattle;

    //动画状态机
    fsmAnim:GFSMBattleAmin;

    //玩家攻击范围
    range:number = 100;

    //移动速度
    moveSpeed:number = 80;

    //在阵容中的下标
    tacticalIndex:number;
    //阵容
    _tactical:GTactical;
    get tactical(){return this._tactical};
    set tactical(value:GTactical){
        this.setTowards(value.towards);
        this._tactical = value;
    }
    //阵容位置
    _tacticalPos:Vec2;
    get tacticalPos(){ return this._tacticalPos}
    set tacticalPos(value:Vec2){ this._tacticalPos = value}

    //血量
    blood:number = 100;
    fullBlood:number = 100;

    //是否死亡
    _isDie:boolean = false;
    get isDie(){ return this._isDie}
    set isDie(value:boolean){ 
        this._isDie = value;
        //设置死亡状态
        this.fsmAnim.isDie = value;
    }

    get():GRoleBase<T>{
        if(this.isDie) return null;
        return this;
    }

    onSyncLoad(){
        
        if(!this.spine) this.spine = this.node.getComponent(sp.Skeleton);
        //如果没有生成则直接销毁
        if(!this.spine) {
            this.node.removeFromParent();
            return;
        }

        this.spine.debugBones = true;
        
        this.bind(this.role);

        //创建角色状态机
        this.fsm = this.fsmCreate();
        //创建角色动画状态机
        this.fsmAnim = this.fsmAnimCreate();
        
        //监听攻击
        this.fsmAnim.addEventListener(GRoleAnimEvent.Attack,this.onAttack.bind(this));
        //监听死亡击飞
        this.fsmAnim.addStartListener(GFSMBattleAminEnum.Fly,this.onFly.bind(this));

    }

    //设置角色
    bind(role:GRole){
        if(this.spine)
            this.spine.skeletonData = app.role.skData[role.id];
        this.range = role.range; //设置攻击范围
        this.role = role;
    }

    //创建一个状态机
    protected abstract fsmCreate():GFSMBattle;
    //创建一个动画状态机
    protected abstract fsmAnimCreate():GFSMBattleAmin;

    onSyncUpdate(dt: number,frame:JNFrameInfo, input?: T){

        //更新状态机
        this.fsm && this.fsm.onUpdate(dt / 1000);
        this.fsmAnim && this.fsmAnim.onUpdate(dt / 1000);

    }

    //向目标点移动
    onMoveTarget(target:Vec2,dt:number){
        
        //获取两个坐标差值向量
        let mins = this.v2World.subtract(target);
        let normal = this.v2World.subtract(target).normalize();
        
        //设置朝向
        if(normal.x != 0){
            if(normal.x < 0){
                this.setTowards(GTowards.RIGHT)
            }else{
                this.setTowards(GTowards.LEFT)
            }
        }
        
        
        if(Vec2.len(normal) >= Vec2.len(mins)){
            this.node.setWorldPosition(Object.assign(v3(),target.clone()));
            return true;
        }else{
            //移动
            this.node.worldPosition = this.node.worldPosition.subtract(v3(normal.x*dt*this.moveSpeed,normal.y*dt*this.moveSpeed,0))
            return false;
        }
        
    }

    //攻击
    onAttack(){
        //敌人扣血
        let info = TableGRoleAttack.getConfig(this.role.id);
        (new GAttack[info.attackWay]()).attack(this,info);
    }

    //受击
    onHit(){
        this.blood-=50;
        //检测是否死亡
        if(this.blood <= 0){
            //关闭状态机
            this.fsm.close();
            //设置死亡
            this.isDie = true;
        }
    }

    //击飞
    onFly(){

        console.log("onFly");
        let vWorld = this.node.worldPosition;
        let vEndWorld = this.getWorldBackLen(v2(800,500));
        JTween(vWorld)
            .to({x:vEndWorld.x},500)
            .onUpdate(pos => this.node.worldPosition = vWorld)
            .start();
        JTween(vWorld)
            .to({y:vEndWorld.y},500)
            .easing(JEasing.Circular.Out)
            .onUpdate(pos => this.node.worldPosition = vWorld)
            .start();

    }

    //恢复阵容朝向
    onRecoverTacticalTowards(){
        this.setTowards(this.tactical.towards);
    }


}