import 'package:flutter/material.dart';
import 'package:qhd_prevention/customWidget/toast_util.dart';

import '../http/ApiService.dart';
import '../tools/tools.dart';

/// 自定义组件
class ListItemFactory {
  /// 类型1：横向spaceBetween布局两个文本加按钮
  static Widget createRowSpaceBetweenItem({
    required String leftText,
    required String rightText,
    double verticalPadding = 10,
    double horizontalPadding = 0,
    Color textColor = Colors.black,
    bool isRight = false,
    bool isRequired = false,
  }) {
    return Padding(
      padding: EdgeInsets.symmetric(
        vertical: verticalPadding,
        horizontal: horizontalPadding,
      ),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        children: [
          Row(
            children: [
              if (isRequired) Text('* ', style: TextStyle(color: Colors.red)),
              Text(
                leftText,
                style: TextStyle(
                  fontSize: 15,
                  fontWeight: FontWeight.bold,
                  color: textColor,
                ),
              ),
            ],
          ),

          if (isRight)
            Row(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Text(
                  _truncateText(rightText, 100),
                  // rightText,
                  style: TextStyle(fontSize: 15, color: Colors.grey),
                ),
                SizedBox(width: 2),
                Icon(
                  Icons.arrow_forward_ios_rounded,
                  color: Colors.black45,
                  size: 15,
                ),
              ],
            )
          else
            Text(rightText, style: TextStyle(fontSize: 15, color: Colors.grey)),
        ],
      ),
    );
  }

  // 辅助函数：截断文本
  static String _truncateText(String text, int maxLength) {
    if (text.length <= maxLength) return text;
    return text.substring(0, maxLength) + '...';
  }

  ///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 List<String> imageUrls,
    double imageHeight = 90,
    double verticalPadding = 10,
    double horizontalPadding = 0,
    // 点击图片时回调，index 为被点击图片的下标
    void Function(int index)? onImageTapped,
  }) {
    return Padding(
      padding: EdgeInsets.symmetric(
        vertical: verticalPadding,
        horizontal: horizontalPadding,
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Text(
            text,
            style: const TextStyle(
              fontSize: 15,
              fontWeight: FontWeight.bold,
              color: Colors.black,
            ),
          ),
          const SizedBox(height: 10),
          Wrap(
            spacing: 8, // 水平间距
            runSpacing: 8, // 垂直间距
            children: List.generate(imageUrls.length, (i) {
              final url = ApiService.baseImgPath + imageUrls[i];
              Widget img;
              if (url.startsWith('http')) {
                img = Image.network(
                  url,
                  height: imageHeight,
                  width: imageHeight * 3 / 2,
                  fit: BoxFit.cover,
                );
              } else {
                img = Image.asset(
                  url,
                  height: imageHeight,
                  width: imageHeight * 3 / 2,
                  fit: BoxFit.cover,
                );
              }
              return GestureDetector(
                onTap: () {
                  if (onImageTapped != null) onImageTapped(i);
                },
                child: ClipRRect(
                  borderRadius: BorderRadius.circular(4),
                  child: img,
                ),
              );
            }),
          ),
        ],
      ),
    );
  }

  /// 类型6：文本和视频上下布局
  static Widget createTextVideoItem({
    required String text,
    required String videoUrl,
    double videoHeight = 90,
    double verticalPadding = 10,
    double horizontalPadding = 0,
    VoidCallback? onVideoTapped,
  }) {
    return Padding(
      padding: EdgeInsets.symmetric(
        vertical: verticalPadding,
        horizontal: horizontalPadding,
      ),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Text(
            text,
            style: const TextStyle(
              fontSize: 15,
              fontWeight: FontWeight.bold,
              color: Colors.black,
            ),
          ),
          const SizedBox(height: 10),
          videoUrl.isNotEmpty ?
          GestureDetector(
            onTap: onVideoTapped,
            child: Container(
              height: videoHeight,
              width: videoHeight * 3 / 2,
              decoration: BoxDecoration(
                color: Colors.grey[300],
                borderRadius: BorderRadius.circular(4),
              ),
              child: const Center(
                child: Icon(
                  Icons.play_circle_outline,
                  size: 40,
                  color: Colors.white,
                ),
              ),
            ),
          ) : SizedBox(height: 10,)
        ],
      ),
    );
  }

  ///类型4：一个文本（自适应高度）
  static Widget createAloneTextItem({
    required String text,
    double verticalPadding = 10,
    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
          ),
        ],
      ),
    );
  }

  ///  YesNo
  static Widget createYesNoSection({
    required String title,
    String yesLabel = '是',
    String noLabel = '否',
    required bool? groupValue,
    required ValueChanged<bool> onChanged,
    double verticalPadding = 15,
    double horizontalPadding = 10,
    bool isEdit = true,
    String text = '',
    bool isRequired = false,

  }) {
    return Padding(
      padding: EdgeInsets.only(
        top: 0,
        right: horizontalPadding,
        left: horizontalPadding,
        bottom: verticalPadding,
      ),
      child: Container(
        padding: EdgeInsets.symmetric(horizontal: 10),
        decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.circular(5),
        ),
        child: Row(
          children: [
            Expanded(
              child: Row(
                children: [
                  if (isRequired && isEdit) Text('* ', style: TextStyle(color: Colors.red)),
                  Text(
                    title,
                    style: TextStyle(
                      fontSize: 15,
                      fontWeight: FontWeight.bold,
                      color: Colors.black,
                    ),
                  )
                ],
              ),
            ),
            if (isEdit)
              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),
                    ],
                  ),
                ],
              ),
            if (!isEdit)
              Text(text, style: TextStyle(),)
          ],
        ),
      ),
    );
  }

  /// 列表标题头（蓝色标识+文字）
  static Widget createBuildSimpleSection(
    String title, {
    double horPadding = 10,
  }) {
    return Container(
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(8),
      ),
      child: Padding(
        padding: EdgeInsets.symmetric(horizontal: horPadding, 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),
            ),
          ],
        ),
      ),
    );
  }

  /// 单纯标题
  static Widget headerTitle(String title, {bool isRequired = false}) {
    return Container(
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.circular(8),
      ),
      child: Row(
        children: [
          if (isRequired) Text('* ', style: TextStyle(color: Colors.red)),
          Text(
            title,
            style: const TextStyle(fontSize: 15, 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,
    );
  }

  /// 标题加输入框上下排列
  static Widget createBuildMultilineInput(
    String label,
    String hint,
    TextEditingController controller, {
    bool isRequired = false,
  }) {
    return Container(
      height: 130,
      padding: const EdgeInsets.only(top: 8),
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Row(
            children: [
              if (isRequired) Text('* ', style: TextStyle(color: Colors.red)),
              // 标题
              HhTextStyleUtils.mainTitle(label, fontSize: 15),
            ],
          ),

          const SizedBox(height: 8),
          // 文本输入框，清除默认内边距以与标题左对齐
          Expanded(
            child: TextField(
              autofocus: false,
              controller: controller,
              keyboardType: TextInputType.multiline,
              maxLines: null,
              expands: true,
              style: const TextStyle(fontSize: 15),
              decoration: InputDecoration(
                hintText: hint,
                border: InputBorder.none,
                contentPadding:
                    isRequired
                        ? EdgeInsets.symmetric(horizontal: 10)
                        : EdgeInsets.zero, // 去除默认内边距
              ),
            ),
          ),
        ],
      ),
    );
  }

  ///  分类头部
  static Widget createYesNoSectionTwo({
    required String title,
    required String yesLabel,
    required String noLabel,
    required bool groupValue,
    required bool canClick,
    required BuildContext context,
    required ValueChanged<bool> onChanged,
    double verticalPadding = 15,
    double horizontalPadding = 10,
  }) {
    return Padding(
      padding: EdgeInsets.only(
        top: 0,
        right: horizontalPadding,
        left: horizontalPadding,
        bottom: verticalPadding,
      ),
      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) {
                        if (canClick) {
                          onChanged(val!);
                        } else {
                          ToastUtil.showNormal(context, "重大隐患不允许选此项");
                        }
                      },
                      // (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),
                  ],
                ),
              ],
            ),
          ],
        ),
      ),
    );
  }
}