import { _decorator, Component, Node, Label, Button, Sprite, tween, Vec3, Color } from 'cc';

const { ccclass, property } = _decorator;

@ccclass('ChoiceButton')
export class ChoiceButton extends Component {
    @property(Label)
    textLabel: Label;

    @property(Button)
    button: Button;

    @property(Sprite)
    background: Sprite;

    private onClickCallback: () => void = null;
    private isClicked: boolean = false;

    onLoad() {
        // 确保有 Button 组件
        if (!this.button) {
            this.button = this.getComponent(Button);
        }
        
        if (this.button) {
            this.button.node.on('click', this.onButtonClick, this);
        }

        // 默认隐藏
        this.node.active = false;
    }

    onDestroy() {
        if (this.button) {
            this.button.node.off('click', this.onButtonClick, this);
        }
    }

    /**
     * 设置选项文本和回调
     */
    setup(text: string, onClick: () => void) {
        if (this.textLabel) {
            this.textLabel.string = text;
        }
        
        this.onClickCallback = onClick;
        this.isClicked = false;
        this.node.active = true;

        // 重置状态
        this.setHoverState(false);
    }

    /**
     * 按钮点击处理
     */
    private onButtonClick() {
        if (this.isClicked) return;
        
        this.isClicked = true;

        // 播放点击动画
        this.playClickAnimation(() => {
            // 执行回调
            if (this.onClickCallback) {
                this.onClickCallback();
            }
        });
    }

    /**
     * 播放点击动画
     */
    private playClickAnimation(callback: () => void) {
        // 缩小动画
        tween(this.node)
            .to(0.1, { scale: new Vec3(0.95, 0.95, 1) })
            .to(0.1, { scale: new Vec3(1, 1, 1) })
            .call(callback)
            .start();
    }

    /**
     * 设置悬停状态
     */
    setHoverState(isHover: boolean) {
        if (!this.background) return;

        // 简单的悬停效果
        // 实际项目中可以根据需要调整颜色或缩放
        const targetScale = isHover ? 1.05 : 1;
        
        tween(this.node)
            .to(0.1, { scale: new Vec3(targetScale, targetScale, 1) })
            .start();
    }

    /**
     * 设置按钮可用状态
     */
    setEnabled(enabled: boolean) {
        if (this.button) {
            this.button.interactable = enabled;
        }
        
        // 禁用时降低透明度
        const opacity = enabled ? 255 : 128;
        if (this.background) {
            this.background.color = new Color(255, 255, 255, opacity);
        }
    }

    /**
     * 获取选项文本
     */
    getText(): string {
        return this.textLabel ? this.textLabel.string : '';
    }

    /**
     * 隐藏选项
     */
    hide() {
        this.node.active = false;
        this.isClicked = false;
    }

    /**
     * 显示选项
     */
    show() {
        this.node.active = true;
        this.isClicked = false;
    }
}