import { _decorator, Button, EventTouch, Node, Vec3 } from "cc";

const { ccclass, property } = _decorator;
let _vec3 = new Vec3();

@ccclass('GButton')
export class GButton {
    /**
     * 添加绑定事件
     * @param node
     * @param func 点击结束回调方法
     * @param obj 上下文
     * @param buttonType 点击事件类型（处理音效使用）
     * @param backStart 点击开始回调
     * @param backCancle 点击取消回调
     * @returns
     */
    public static BandClick(node: Node, func: Function, obj: any, buttonType=10000, backStart: Function = null, backCancle: Function = null, clickScale: boolean = true): void {
        if (!node) {
            //hg_utils.hgLog("GButton, bandClick, failed by node is null");
            return;
        }

        if (buttonType == null) {
            buttonType = 10000;
        }

        if (!node['oldScale']) {
            node['oldScale'] = node.scale.clone();
        }

        node.on(Node.EventType.TOUCH_START, (ev: EventTouch) => {
            // let bs = node.getComponent(Button);
            // if (!bs || (bs && bs.interactable == true)) {
            //     backStart && backStart.call(obj, ev);
            // }
            if (clickScale) {
                node.scale = Vec3.multiplyScalar(_vec3, node['oldScale'], 1.05);
            }
            if (backStart) {
                backStart.call(obj, ev);
            }
        }, obj);
        node.on(Node.EventType.TOUCH_CANCEL, (ev: EventTouch) => {
            if (clickScale) {
                node.scale = (node['oldScale'] as Vec3).clone();
            }
            if (backCancle) {
                backCancle.call(obj, ev);
            }
        }, obj);
        node.on(Node.EventType.TOUCH_END, (ev: EventTouch) => {
            if (clickScale) {
                node.scale = (node['oldScale'] as Vec3).clone();
            }
            //当前节点不是button,或button且不在禁用状态才可以执行点击回调
            let bs = node.getComponent(Button);
            if (!bs || (bs && bs.interactable == true)) {
                func.call(obj, ev);
            }
            //点击音效处理
            if (buttonType > 0) {
                //AudioManager.I.PlayEffect(buttonType);   //音效
            }
        }, obj);
    }
    /**
     * 移除绑定事件
     * @param node
     */
    public static RemoveClick(node: Node, func?: Function) {
        if (node.isValid) {
            node.off(Node.EventType.TOUCH_START, func);
            node.off(Node.EventType.TOUCH_END, func);
            node.off(Node.EventType.TOUCH_CANCEL, func);
        }
    }

    /**
     * 先移除再绑定
     */
    public static RemoveAndBandClick(node: Node, func: Function, obj: any = null, buttonType = null, backStart: Function = null, backCancle: Function = null, clickScale: boolean = true): void {
        obj = obj || node;
        GButton.RemoveClick(node);
        GButton.BandClick(node, func, obj, buttonType, backStart, backCancle, clickScale);
    }
}