import { _decorator, Color, Component, EventMouse, Node, Sprite, UITransform, v2 } from 'cc';
import { NpkImage } from '../Tool/NPKImage';
import { MapTileDirection } from './MapTileData';
import { BaseSprite } from '../GlobalScript/CommonComponent/BaseSprite';
const { ccclass, property } = _decorator;


enum buttonState{
    // 普通
    Normal,
    // 悬停
    Hover,
    // // 按下
    // Down,
}


@ccclass('MapTileButtonComponent')
export class MapTileButtonComponent extends Component {

    direction: MapTileDirection;

    /// 状态
    state: buttonState = buttonState.Normal;

    //精灵对象
    private SpriteObj: Sprite;

    start() {


        // //判断是否有精灵 如果没有 就给他搞一个
        // if (this.node.getComponent(Sprite))
        //     this.SpriteObj = this.node.getComponent(Sprite);
        // else
        //     this.SpriteObj = this.node.addComponent(Sprite);

        // //设置节点锚点为左上角
        // this.node.getComponent(UITransform).anchorPoint = v2(0, 1);
        // //设置类型
        // this.SpriteObj.sizeMode = Sprite.SizeMode.RAW;
        // //设置
        // this.SpriteObj.trim = false;

        const bs = this.node.addComponent( BaseSprite );
        this.SpriteObj = bs.SpriteObj;

        let index = 24;
        switch (this.direction) {
            case MapTileDirection.horizontal:
                index = 24;
            case MapTileDirection.vertical:
                index = 25;
            case MapTileDirection.nook:
                index = 26;
        }

        bs.updateSpriteFrame(NpkImage.board,index);


        this.node.on(Node.EventType.MOUSE_ENTER, this.OnHover, this);
        this.node.on(Node.EventType.MOUSE_LEAVE, this.OffHover, this);
        this.node.on(Node.EventType.MOUSE_DOWN, this.OnDown, this);
        // this.node.on(Node.EventType.MOUSE_UP, this.OnUp, this);

    }

    update(deltaTime: number) {
        if (this.SpriteObj){
            switch (this.state) {
                case buttonState.Normal:
                    this.SpriteObj.color = Color.WHITE;
                    break;
                case buttonState.Hover:
                    this.SpriteObj.color = Color.YELLOW;
                    break;
            }
        }
    }

    OnHover(event: EventMouse) {
        this.state = buttonState.Normal;
    }
    OffHover(event: EventMouse) {
        this.state = buttonState.Hover;
    }
    /// 按下就选择
    OnDown(event: EventMouse) {
        // if (event.getButton() != EventMouse.BUTTON_LEFT) return;
        // const np = this.node.position;
        // this.node.setPosition(np.x,np.y -1);
    }

    OnUp(event: EventMouse) {
        //必须是鼠标左键
        if (event.getButton() != EventMouse.BUTTON_LEFT) return;
        this.state = buttonState.Normal;
        const np = this.node.position;
        this.node.setPosition(np.x,np.y +1);
    }

}