import 'package:flutter/material.dart';

/// 通用输入框样式
InputDecoration buildInputDecoration({
  required BuildContext context,
  required String hintText,
  IconData? prefixIcon,
}) {
  final colors = Theme.of(context).colorScheme;

  return InputDecoration(
    hintText: hintText,
    hintStyle: TextStyle(color: colors.onSurface.withAlpha(100)),
    filled: true,
    fillColor: colors.surface,
    border: OutlineInputBorder(
      borderSide: const BorderSide(color: Color(0xFFE5E7EB)),
      borderRadius: BorderRadius.circular(8),
    ),
    focusedBorder: OutlineInputBorder(
      borderSide: BorderSide(color: colors.primary, width: 2),
      borderRadius: BorderRadius.circular(8),
    ),
    errorBorder: OutlineInputBorder(
      borderSide: const BorderSide(color: Colors.red, width: 2),
      borderRadius: BorderRadius.circular(8),
    ),
    contentPadding: const EdgeInsets.symmetric(horizontal: 15, vertical: 14),
    errorStyle: const TextStyle(fontSize: 12, height: 1, color: Colors.red),
    prefixIcon:
        prefixIcon != null
            ? Icon(prefixIcon, size: 20, color: Color(0xFF86909C))
            : null,
    prefixIconConstraints: const BoxConstraints(minWidth: 40),
    isDense: true,
  );
}

Widget buildFormLabel({
  required BuildContext context,
  required String text,
  required bool isRequired,
}) {
  final colors = Theme.of(context).colorScheme;

  return RichText(
    text: TextSpan(
      text: text,
      style: TextStyle(
        color: colors.onSurface,
        fontSize: 16,
        fontWeight: FontWeight.w500,
        fontFamily: 'CustomFont',
        height: 1.2,
      ),
      children: [
        if (isRequired)
          const TextSpan(
            text: ' *',
            style: TextStyle(color: Colors.red, fontSize: 16),
          ),
      ],
    ),
  );
}

/// 表单底部按钮组组件
Widget buildFormButtonGroup({
  required BuildContext context,
  required bool isShowDelete,
  required VoidCallback onConfirm,
  required VoidCallback onDelete,
}) {
  return Row(
    mainAxisAlignment: MainAxisAlignment.spaceBetween,
    children: [
      Expanded(child: _buildCancelButton(context)),
      if (isShowDelete) ...[
        SizedBox(width: 16),
        Expanded(child: _buildDeleteButton(context, onDelete)),
      ],
      SizedBox(width: 16),
      Expanded(child: _buildSubmitButton(context, onConfirm)),
    ],
  );
}

/// 取消按钮
Widget _buildCancelButton(BuildContext context) {
  return ElevatedButton(
    onPressed: () => Navigator.pop(context), // 直接使用传入的context返回
    style: ElevatedButton.styleFrom(
      backgroundColor: Theme.of(context).colorScheme.surface,
      foregroundColor: const Color(0xFF4E5969),
      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
      elevation: 0,
    ),
    child: const Text('取消'),
  );
}

/// 提交按钮
Widget _buildSubmitButton(BuildContext context, VoidCallback onConfirm) {
  return ElevatedButton(
    onPressed: () => onConfirm(),
    style: ElevatedButton.styleFrom(
      backgroundColor: Theme.of(context).colorScheme.primary,
      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
      elevation: 0,
    ),
    child: const Text('提交', style: TextStyle(color: Colors.white)),
  );
}

/// 删除按钮
Widget _buildDeleteButton(BuildContext context, VoidCallback onDelete) {
  return ElevatedButton(
    onPressed: () => onDelete(),
    style: ElevatedButton.styleFrom(
      backgroundColor: Colors.red,
      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
      elevation: 0,
    ),
    child: const Text('删除', style: TextStyle(color: Colors.white)),
  );
}