/// Profile tab: avatar, stats, and a shortcut to the add-item form.
library;

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

import '../providers/item_provider.dart';
import '../providers/theme_provider.dart';
import '../utils/constants.dart';
import '../utils/helpers.dart';
import '../widgets/responsive_body.dart';
import 'add_item_screen.dart';

class ProfileScreen extends StatelessWidget {
  const ProfileScreen({super.key});

  @override
  Widget build(BuildContext context) {
    final items = context.watch<ItemController>();
    final themeController = context.watch<ThemeController>();
    final theme = Theme.of(context);
    final colors = theme.colorScheme;

    return Scaffold(
      appBar: AppBar(title: const Text('Profile')),
      body: ResponsiveBody(
        child: ListView(
          children: [
            const SizedBox(height: 12),
            Center(
              child: CircleAvatar(
                radius: 44,
                backgroundColor: colors.primaryContainer,
                child: Icon(
                  Icons.person,
                  size: 44,
                  color: colors.onPrimaryContainer,
                ),
              ),
            ),
            const SizedBox(height: 16),
            Text(
              'Alex Rivera',
              textAlign: TextAlign.center,
              style: theme.textTheme.headlineMedium,
            ),
            const SizedBox(height: 4),
            Text(
              'alex@example.com',
              textAlign: TextAlign.center,
              style: theme.textTheme.bodyMedium,
            ),
            const SizedBox(height: 24),
            Row(
              children: [
                Expanded(
                  child: _ProfileStat(
                    label: 'Items',
                    value: '${items.count}',
                  ),
                ),
                const SizedBox(width: 12),
                Expanded(
                  child: _ProfileStat(
                    label: 'Theme',
                    value: labelForThemeMode(themeController.themeMode),
                  ),
                ),
                const SizedBox(width: 12),
                Expanded(
                  child: _ProfileStat(
                    label: 'Source',
                    value: items.useRemoteData ? 'Remote' : 'Local',
                  ),
                ),
              ],
            ),
            const SizedBox(height: 24),
            Card(
              child: Column(
                children: [
                  ListTile(
                    leading: const Icon(Icons.add_box_outlined),
                    title: const Text('Add a catalog item'),
                    subtitle: const Text('Validated form with category picker'),
                    trailing: const Icon(Icons.chevron_right),
                    onTap: () {
                      Navigator.of(context).push(
                        MaterialPageRoute<void>(
                          builder: (_) => const AddItemScreen(),
                        ),
                      );
                    },
                  ),
                  const Divider(height: 1),
                  const ListTile(
                    leading: Icon(Icons.info_outline),
                    title: Text('About'),
                    subtitle: Text('$kAppName  ·  $kPackageName'),
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }
}

class _ProfileStat extends StatelessWidget {
  const _ProfileStat({required this.label, required this.value});

  final String label;
  final String value;

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    return Container(
      padding: const EdgeInsets.symmetric(vertical: 16),
      decoration: BoxDecoration(
        color: theme.colorScheme.surfaceContainerLow,
        borderRadius: BorderRadius.circular(16),
        boxShadow: [
          BoxShadow(
            color: theme.shadowColor.withValues(alpha: 0.06),
            blurRadius: 12,
            offset: const Offset(0, 4),
          ),
        ],
      ),
      child: Column(
        children: [
          Text(value, style: theme.textTheme.titleLarge),
          const SizedBox(height: 4),
          Text(label, style: theme.textTheme.labelMedium),
        ],
      ),
    );
  }
}