import 'package:flutter/material.dart';

/// 自定义组件
class ListItemFactory {
  /// 类型1：横向spaceBetween布局两个文本
  static Widget createRowSpaceBetweenItem({
    required String leftText,
    required String rightText,
    double verticalPadding = 15,
    double horizontalPadding = 0,
    bool isRight = false,
  }) {
    return Padding(
      padding: EdgeInsets.symmetric(
        vertical: verticalPadding,
        horizontal: horizontalPadding,
      ),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        children: [
          Text(
            leftText,
            style: TextStyle(
              fontSize: 15,
              fontWeight: FontWeight.bold,
              color: Colors.black,
            ),
          ),
          if (isRight)
            Row(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Text(
                  rightText,
                  style: TextStyle(fontSize: 15, color: Colors.grey),
                ),
                SizedBox(width: 2,),
                Icon(Icons.arrow_forward_ios_rounded, size: 15),
              ],
            )
          else
            Text(rightText, style: TextStyle(fontSize: 15, color: Colors.grey)),
        ],
      ),
    );
  }

  ///类型2：上下布局两个文本（自适应高度）
  static Widget createColumnTextItem({
    required String topText,
    required String bottomText,
    double verticalPadding = 15,
    double horizontalPadding = 0,
  }) {
    return Padding(
      padding: EdgeInsets.symmetric(
        vertical: verticalPadding,
        horizontal: horizontalPadding,
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        mainAxisSize: MainAxisSize.min,
        children: [
          Text(
            topText,
            style: TextStyle(
              fontSize: 15,
              fontWeight: FontWeight.bold,
              color: Colors.black,
            ),
          ),
          const SizedBox(height: 5),
          Text(
            bottomText,
            style: TextStyle(fontSize: 15, color: Colors.grey),
            softWrap: true,
            maxLines: null, // 允许无限行数
          ),
        ],
      ),
    );
  }

  /// 类型3：文本和图片上下布局
  static Widget createTextImageItem({
    required String text,
    required String imageUrl,
    double imageHeight = 90,
    double verticalPadding = 15,
    double horizontalPadding = 0,
    // 添加点击事件回调函数
    VoidCallback? onImageTapped, // 新增的回调函数参数
  }) {
    return Padding(
      padding: EdgeInsets.symmetric(
        vertical: verticalPadding,
        horizontal: horizontalPadding,
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Text(
            text,
            style: TextStyle(
              fontSize: 15,
              fontWeight: FontWeight.bold,
              color: Colors.black,
            ),
          ),
          const SizedBox(height: 10),
          // 使用GestureDetector包裹图片区域
          GestureDetector(
            onTap: onImageTapped, // 将外部传入的回调绑定到点击事件
            child: Builder(
              builder: (context) {
                // 网络图片
                if (imageUrl.startsWith('http')) {
                  return Image.network(
                    imageUrl,
                    height: imageHeight,
                    width: imageHeight * 3 / 2,
                    fit: BoxFit.cover,
                    alignment: Alignment.centerLeft,
                  );
                }
                // 本地图片
                else {
                  return Image.asset(
                    imageUrl,
                    height: imageHeight,
                    width: double.infinity,
                    fit: BoxFit.cover,
                    alignment: Alignment.centerLeft,
                  );
                }
              },
            ),
          ),
        ],
      ),
    );
  }

  ///类型4：一个文本（自适应高度）
  static Widget createAloneTextItem({
    required String text,
    double verticalPadding = 15,
    double horizontalPadding = 0,
  }) {
    return Padding(
      padding: EdgeInsets.symmetric(
        vertical: verticalPadding,
        horizontal: horizontalPadding,
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        mainAxisSize: MainAxisSize.min,
        children: [
          Text(
            text,
            style: TextStyle(fontSize: 15, color: Colors.grey),
            softWrap: true,
            maxLines: null, // 允许无限行数
          ),
        ],
      ),
    );
  }

  ///  分类头部
  static Widget createYesNoSection({
    required String title,
    required String yesLabel,
    required String noLabel,
    required bool groupValue,
    required ValueChanged<bool> onChanged,
    double verticalPadding = 15,
    double horizontalPadding = 0,
  }) {
    return Padding(
      padding: EdgeInsets.symmetric(
        vertical: verticalPadding,
        horizontal: horizontalPadding,
      ),
      child: Container(
        padding: EdgeInsets.symmetric(horizontal: 10),
        decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.circular(5),
        ),
        child: Row(
          children: [
            Expanded(
              child: Text(
                title,
                style: TextStyle(
                  fontSize: 15,
                  fontWeight: FontWeight.bold,
                  color: Colors.black,
                ),
              ),
            ),
            Row(
              children: [
                Row(
                  children: [
                    Radio<bool>(
                      activeColor: Colors.blue,
                      value: true,
                      groupValue: groupValue,
                      onChanged: (val) => onChanged(val!),
                    ),
                    Text(yesLabel),
                  ],
                ),
                const SizedBox(width: 16),
                Row(
                  children: [
                    Radio<bool>(
                      activeColor: Colors.blue,
                      value: false,
                      groupValue: groupValue,
                      onChanged: (val) => onChanged(val!),
                    ),
                    Text(noLabel),
                  ],
                ),
              ],
            ),
          ],
        ),
      ),
    );
  }
  static Widget createBuildSimpleSection(String title) {
    return Container(
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(8),
      ),
      child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 10),
        child: Row(
          children: [
            Container(width: 3, height: 15, color: Colors.blue),
            const SizedBox(width: 8),
            Text(
              title,
              style: const TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
            ),
          ],
        ),
      ),
    );
  }

  /// 扩展项（根据需求自定义）
  static Widget createCustomItem({
    required Widget child,
    double verticalPadding = 15,
    double horizontalPadding = 0,
  }) {
    return Padding(
      padding: EdgeInsets.symmetric(
        vertical: verticalPadding,
        horizontal: horizontalPadding,
      ),
      child: child,
    );
  }
}