import { _decorator, Component, Node } from 'cc';
import { EATTACK_TYPE, EMOVE_MODE, ENEMY_TYPE, GameDefine } from '../../config/GameDefine';
import { Vec3 } from 'cc';
import { UmUtil } from '../../../../cc-common/cc-util/UmUtil';
import { GameGlobalData } from '../../global/GameGlobalData';
import { UmLog } from '../../../../cc-common/cc-util/UmLog';
import { random } from 'cc';
const { ccclass, property } = _decorator;

@ccclass('EnemyMove')
export class EnemyMove extends Component {
    moveMode: number = EMOVE_MODE.FREE;
    nextDestinationMove: Vec3 = new Vec3();
    directionMove: Vec3 = new Vec3();
    speed: number = 50;
    isContactObstacle = false;
    isSensorHero = false;
    isContactHero = false;
    heroTarget = null;

    enemyType: number = ENEMY_TYPE.MELEE;
    attackType: number = EATTACK_TYPE.MELEE;
    moveSpeed = 1;
    speedScale = 20;

    setMoveData(data, enemyType, attackType) {
        this.enemyType = enemyType;
        this.attackType = attackType;

        this.moveSpeed = data?.MoveSpeed || this.moveSpeed;
        this.moveSpeed *= this.speedScale;
        this.speed = this.moveSpeed;
    }

    protected start(): void {
        this.makeNewRandomTarget();
    }

    setIsContactObstacle(isContact)
    {
        // UmLog.log("[CreepMove] => setIsContactObstacle ", isContact);
        this.isContactObstacle = isContact;
    }

    setIsSensorHero(isContact, heroTarget = null) {
        this.isSensorHero = isContact;
        this.heroTarget = heroTarget;
        this.speed = this.isSensorHero ? this.moveSpeed * 1.5 : this.moveSpeed;

        if (isContact && this.heroTarget)
        {
            // UmLog.log("setIsSensorHero attackType = ", this.attackType);
            if (this.attackType == EATTACK_TYPE.MELEE)
                this.changeMoveMode(EMOVE_MODE.TARGET);

            if (this.attackType == EATTACK_TYPE.TARGET)
                this.changeMoveMode(EMOVE_MODE.TARGET);

        }
        else {
            this.changeMoveMode(EMOVE_MODE.FREE);
        }
    }


    setIsContactHero(isContact) {
        // UmLog.log("setIsContactHero => ", isContact);
        this.isContactHero = isContact;

        if (isContact) {
            this.changeMoveMode(EMOVE_MODE.STATIC);
        }
        else {
            if (this.isSensorHero && this.heroTarget) {// && this.attackType == EATTACK_TYPE.MELEE
                this.changeMoveMode(EMOVE_MODE.TARGET);
            }
            else {
                this.changeMoveMode(EMOVE_MODE.FREE);
            }
        }
    }

    makeNewRandomTarget()
    {
        let x = this.getRandomMove();
        let y = this.getRandomMove();
        // UmLog.log("makeNewRandomTarget => ", x, " | ", y);
        this.nextDestinationMove = UmUtil.plusTwoVector3(this.node.position, new Vec3(x, y, 0));
        // UmLog.log("distance => ", Vec3.distance(this.node.position, this.nextDestination));            
        this.directionMove = UmUtil.subtractTwoVector3(this.nextDestinationMove, this.node.position);
        this.directionMove.normalize();
    }

    getRandomMove()
    {
        var randomRange = 150;
        return randomRange - UmUtil.getRandomInt(0, randomRange * 2);
    }

    protected update(dt: number): void {
        if (!GameGlobalData.Instance.isStatePlay()) return;

        this.updateMove(dt);
    }

    protected updateMove(dt: number): void
    {
        if (this.moveMode == EMOVE_MODE.FREE) {
            this.node.position = this.getMoveTowardPoint(this.nextDestinationMove, dt);
            if ((this.isContactObstacle && !this.isContactHero) || Vec3.distance(this.node.position, this.nextDestinationMove) < 1)
                this.makeNewRandomTarget();

            return;
        }

        if (this.moveMode == EMOVE_MODE.TARGET && this.heroTarget) {
            this.node.position = this.getMoveTowardPoint(this.heroTarget.position, dt);
            return;
        }
    }

    getMoveTowardPoint(target, dt: number)
    {
        var result = new Vec3();
        Vec3.moveTowards(result, this.node.position, target, this.speed * dt);
        return result;
    }

    changeMoveMode(newMode)
    {
        UmLog.log("changeMode => ", newMode);
        this.moveMode = newMode;
    }
}