import 'dart:ui';

import 'package:flutter/material.dart';
import 'package:get/get.dart';

/// 通用居中弹窗壳：背景高斯模糊 + 金棕渐变卡片，内容由调用方传。
/// 弹出走 Get.dialog，关闭统一 Get.back()
class CommonDialog extends StatelessWidget {
  final Widget child;
  final EdgeInsetsGeometry margin;
  final EdgeInsetsGeometry padding;

  /// 点卡片内容区能不能关：默认能(点空白处的手势冒泡给外层)。
  /// 带输入框/需要用户明确选择的弹窗传 false，否则点一下正文就误关了
  final bool canTapClose;

  /// 点卡片外的模糊区能不能关。
  /// ⚠️ 本组件铺满全屏并吃掉点击，[Get.dialog] 的 barrierDismissible 到不了这层，
  /// 要做「必须点按钮」的弹窗只能靠这个参数
  final bool barrierDismissible;

  const CommonDialog({
    super.key,
    required this.child,
    this.margin = const EdgeInsets.symmetric(horizontal: 32),
    this.padding = const EdgeInsets.fromLTRB(24, 32, 24, 24),
    this.canTapClose = true,
    this.barrierDismissible = true,
  });

  @override
  Widget build(BuildContext context) {
    return Material(
      color: Colors.transparent, //别设成实色，渲染会有延迟
      child: GestureDetector(
        behavior: HitTestBehavior.opaque,
        onTap: barrierDismissible ? Get.back : null, //点模糊背景关闭；null 则整层只是吃掉点击
        child: BackdropFilter(
          filter: ImageFilter.blur(sigmaX: 4, sigmaY: 4),
          child: Center(
            child: GestureDetector(
              behavior: HitTestBehavior.opaque,
              //空回调=在手势竞技场吃掉这一下，外层收不到就关不掉；给 null 则让外层关
              onTap: canTapClose ? null : () {},
              child: Container(
                margin: margin,
                padding: padding,
                decoration: const BoxDecoration(
                  gradient: LinearGradient(colors: [Color(0xff4d2817), Color(0xff12110f), Color(0xff302814)]),
                  border: Border.fromBorderSide(BorderSide(color: Color(0xff61563a))),
                  borderRadius: BorderRadius.all(Radius.circular(20)),
                ),
                child: child,
              ),
            ),
          ),
        ),
      ),
    );
  }
}