import 'package:flutter/material.dart';

import '../../../shared/theme/app_theme.dart';
import '../../../shared/utils/user_error_formatter.dart';
import '../../../shared/widgets/app_inline_alert.dart';


Widget settingsLoadError(Object error) {
  return AppInlineAlert(message: '加载失败：${formatUserError(error)}');
}

class SettingsTabScroll extends StatelessWidget {
  final List<Widget> children;
  const SettingsTabScroll({super.key, required this.children});

  @override
  Widget build(BuildContext context) {
    return ListView(
      padding: const EdgeInsets.fromLTRB(0, 12, 0, 32),
      children: [
        Center(
          child: ConstrainedBox(
            constraints: const BoxConstraints(maxWidth: 720),
            child: Padding(
              padding: const EdgeInsets.symmetric(horizontal: 24),
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.stretch,
                children: children,
              ),
            ),
          ),
        ),
      ],
    );
  }
}

class SettingsCard extends StatelessWidget {
  final List<Widget> children;

  const SettingsCard({super.key, required this.children});

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    final isDark = theme.brightness == Brightness.dark;
    final dividerColor = isDark
        ? Colors.white.withValues(alpha: 0.08)
        : Colors.black.withValues(alpha: 0.06);

    return Padding(
      padding: const EdgeInsets.only(bottom: 16),
      child: Container(
        decoration: BoxDecoration(
          color: isDark ? const Color(0xFF2C2C2E) : Colors.white,
          borderRadius: BorderRadius.circular(12),
          border: Border.all(color: dividerColor, width: 0.5),
        ),
        clipBehavior: Clip.antiAlias,
        child: Column(
          children: [
            for (int i = 0; i < children.length; i++) ...[
              children[i],
              if (i < children.length - 1)
                Divider(
                  height: 1,
                  thickness: 0.5,
                  indent: 16,
                  endIndent: 16,
                  color: dividerColor,
                ),
            ],
          ],
        ),
      ),
    );
  }
}

class SettingRow extends StatelessWidget {
  final String title;
  final String? subtitle;
  final Widget? trailing;
  final VoidCallback? onTap;

  const SettingRow({
    super.key,
    required this.title,
    this.subtitle,
    this.trailing,
    this.onTap,
  });

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    final tokens = context.appTokens;

    Widget content = Padding(
      padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
      child: Row(
        children: [
          Expanded(
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(
                  title,
                  style: theme.textTheme.bodyMedium?.copyWith(
                    fontWeight: FontWeight.w500,
                  ),
                ),
                if (subtitle != null) ...[
                  const SizedBox(height: 2),
                  Text(
                    subtitle!,
                    maxLines: 1,
                    overflow: TextOverflow.ellipsis,
                    style: theme.textTheme.bodySmall?.copyWith(
                      color: tokens.mutedForeground,
                    ),
                  ),
                ],
              ],
            ),
          ),
          if (trailing != null) trailing!,
        ],
      ),
    );

    if (onTap != null) {
      content = InkWell(onTap: onTap, child: content);
    }

    return content;
  }
}