import { _decorator, Component, Node } from 'cc';
import { NodeBase } from '../scripts/base/NodeBase';
import { Vec3, EventTouch } from 'cc';
import { UmUtil } from '../../cc-common/cc-util/UmUtil';
import { GameGlobalData } from '../scripts/global/GameGlobalData';
import { UmLog } from '../../cc-common/cc-util/UmLog';
import { UmClientEvent } from '../../cc-common/cc-util/UmOneToMultiListener';
import { GameDefine } from '../scripts/config/GameDefine';
import { director } from 'cc';
const { ccclass, property } = _decorator;

@ccclass('JoyStick')
export class JoyStick extends NodeBase {
    @property(Node) background: Node = null!;
    @property(Node) handle: Node = null!;

    radiusDistance: number;
    public static IS_TOUCH_ENABLE: boolean = false;
    public static DIRECTION: Vec3 = new Vec3();
    public static Instance: JoyStick = null;

    startBgPoint: Vec3 = Vec3.ZERO;

    protected onLoad(): void {
        JoyStick.Instance = this;
    }

    start() {
        this.startBgPoint = new Vec3(this.background.position);
        this.enableTouch();
        this.radiusDistance = (this.background.getNodeTransform().width) / 2;//differentPoint
    }

    showJoystick()
    {
        this.background.setNodeActive(true);
    }

    hideJoySitck()
    {
        this.background.setNodeActive(false);
    }

    resetBgPosition()
    {
        this.background.position = new Vec3(this.startBgPoint);
    }

    protected onTouchStart(event: EventTouch) {
        if (!GameGlobalData.Instance.isStatePlay()) return;
        JoyStick.IS_TOUCH_ENABLE = true;
        var touchPoint = this.getTouchPointInParentNode(event.getUILocation());
        this.background.position = new Vec3(touchPoint);

        // {
        //     //OLD version
        //     // this.startPoint = new Vec3(this.node.position);
        //     // let newPoint = this.getTouchPointInParentNode(event.getUILocation());
        //     // let direction = UmUtil.subtractTwoVector3(newPoint, this.originPoint);
        //     // this.setHandlePosition(newPoint, new Vec3(direction));
        //     // UmClientEvent.dispatchEvent(GameDefine.EVENT_START_JOYSTICK);
        // }
    }

    protected onTouchMove(event: EventTouch) {
        if (!GameGlobalData.Instance.isStatePlay() || !JoyStick.IS_TOUCH_ENABLE) return;
        var movePoint = this.getTouchPointInParentNode(event.getUILocation());
        // this.handle.worldPosition = this.node?.parent.getNodeTransform().convertToWorldSpaceAR(movePoint);

        var currentBgPoint = new Vec3(this.background.worldPosition);
        var newHandlePoint = this.node?.parent.getNodeTransform().convertToWorldSpaceAR(movePoint);//new Vec3(this.handle.worldPosition);
        var direction: Vec3 = UmUtil.subtractTwoVector3(newHandlePoint, currentBgPoint).normalize();
        if (Vec3.distance(newHandlePoint, currentBgPoint) > this.radiusDistance)
        {
            var differentPoint = UmUtil.scaleVector3(direction, this.radiusDistance);
            this.background.worldPosition = UmUtil.subtractTwoVector3(newHandlePoint, differentPoint);
        }

        this.handle.worldPosition = newHandlePoint;
        JoyStick.IS_TOUCH_ENABLE = true;
        JoyStick.DIRECTION = direction;
        GameGlobalData.Instance.lastHeroMoveDirection = direction;

        // {
        //     //OLD version
        //     // let newPoint = this.getTouchPointInParentNode(event.getUILocation());
        //     // let direction = UmUtil.subtractTwoVector3(newPoint, this.originPoint);
        //     // direction.normalize();
        //     // // direction = UmUtil.scaleVector3(direction, this.heroMoveSpeed);
        //     // JoyStick.IS_TOUCH_ENABLE = true;
        //     // JoyStick.DIRECTION = direction;
        //     // GameGlobalData.Instance.lastHeroMoveDirection = direction;
        //     // // UmLog.log(newPoint.toString());
        //     // // this.currentPoint = new Vec3(newPoint);
        //     // this.setHandlePosition(newPoint, new Vec3(direction));
        // }
    }

    protected onTouchEnd(event: EventTouch) {
        JoyStick.IS_TOUCH_ENABLE = false;
        JoyStick.DIRECTION = Vec3.ZERO;
        this.handle.position = Vec3.ZERO;
        this.resetBgPosition();
        UmClientEvent.dispatchEvent(GameDefine.EVENT_END_JOYSTICK);
    }

    protected onTouchCancel(event: EventTouch) {
        JoyStick.IS_TOUCH_ENABLE = false;
        JoyStick.DIRECTION = Vec3.ZERO;
        this.handle.position = Vec3.ZERO;
        this.resetBgPosition();
        UmClientEvent.dispatchEvent(GameDefine.EVENT_END_JOYSTICK);
    }

    getTouchPointInParentNode(touchPoint): Vec3 {
        return this.node.parent?.getNodeTransform().convertToNodeSpaceAR(touchPoint.toVec3());
    }
}