ingtrakapp/lib/screens/account_screen.dart

/// Signed-in account details, sync status, and sign-out.
library;

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

import '../providers/auth_provider.dart';
import '../providers/bank_provider.dart';
import '../providers/sync_provider.dart';
import '../providers/tx_meta_provider.dart';
import '../utils/constants.dart';
import '../widgets/responsive_body.dart';

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

  @override
  Widget build(BuildContext context) {
    final auth = context.watch<AuthController>();
    final sync = context.watch<SyncController>();
    final meta = context.watch<TxMetaController>();
    final bank = context.watch<BankController>();
    final theme = Theme.of(context);
    final colors = theme.colorScheme;

    final lastSync = sync.lastSyncedAt;
    final syncSubtitle = sync.isSyncing
        ? (sync.statusDetail.isEmpty
            ? 'Syncing… ${(sync.syncProgress * 100).round()}%'
            : '${sync.statusDetail} · ${(sync.syncProgress * 100).round()}%')
        : sync.lastError != null
            ? 'Last error: ${sync.lastError}'
            : lastSync == null
                ? 'Not synced yet'
                : 'Last sync ${_formatTime(lastSync)}';

    final categorized = meta.labeledTransactionCount(bank.transactions);
    final perTxAnnotations = meta.syncableAnnotationCount;
    final viaMerchantOnly = meta.merchantOnlyLabeledCount(bank.transactions);

    return Scaffold(
      appBar: AppBar(title: const Text('Account')),
      body: ResponsiveBody(
        child: ListView(
          padding: const EdgeInsets.fromLTRB(16, 24, 16, 32),
          children: [
            Center(
              child: CircleAvatar(
                radius: 36,
                backgroundColor: colors.primaryContainer,
                child: Text(
                  auth.initials,
                  style: theme.textTheme.headlineSmall?.copyWith(
                    color: colors.onPrimaryContainer,
                  ),
                ),
              ),
            ),
            const SizedBox(height: 16),
            Text(
              auth.displayName,
              textAlign: TextAlign.center,
              style: theme.textTheme.headlineSmall,
            ),
            if (auth.email case final email?)
              Padding(
                padding: const EdgeInsets.only(top: 4),
                child: Text(
                  email,
                  textAlign: TextAlign.center,
                  style: theme.textTheme.bodyMedium?.copyWith(
                    color: colors.onSurfaceVariant,
                  ),
                ),
              ),
            const SizedBox(height: 24),
            Card(
              child: Column(
                children: [
                  ListTile(
                    leading: const Icon(Icons.cloud_outlined),
                    title: const Text('PocketBase server'),
                    subtitle: Text(kPocketBaseUrl),
                  ),
                  const Divider(height: 1),
                  ListTile(
                    leading: sync.isSyncing
                        ? SizedBox(
                            width: 24,
                            height: 24,
                            child: Padding(
                              padding: const EdgeInsets.all(2),
                              child: CircularProgressIndicator(
                                strokeWidth: 2,
                                value: sync.syncProgress <= 0
                                    ? null
                                    : sync.syncProgress.clamp(0.02, 1.0),
                              ),
                            ),
                          )
                        : Icon(
                            sync.lastError == null
                                ? Icons.sync
                                : Icons.sync_problem_outlined,
                          ),
                    title: const Text('Cloud sync'),
                    subtitle: Text(syncSubtitle),
                    trailing: TextButton(
                      onPressed: sync.isSyncing ? null : () => sync.syncNow(),
                      child: const Text('Sync now'),
                    ),
                  ),
                  if (sync.lastSyncSummary.isNotEmpty) ...[
                    const Divider(height: 1),
                    ListTile(
                      leading: const Icon(Icons.fact_check_outlined),
                      title: const Text('Last sync detail'),
                      subtitle: Text(sync.lastSyncSummary),
                    ),
                  ],
                  const Divider(height: 1),
                  ListTile(
                    leading: const Icon(Icons.phone_android_outlined),
                    title: const Text('What syncs'),
                    subtitle: Text(
                      'Categorized on device: $categorized\n'
                      '· Per-tx annotations → PocketBase tx_meta: $perTxAnnotations\n'
                      '· Via merchant rules only (not separate tx_meta rows): $viaMerchantOnly\n'
                      'Merchant rules synced: ${meta.merchantRuleCount}\n'
                      'Bank transactions → PocketBase transactions: '
                      '${bank.transactions.length}',
                    ),
                    isThreeLine: true,
                  ),
                ],
              ),
            ),
            const SizedBox(height: 24),
            OutlinedButton.icon(
              onPressed: () async {
                await auth.logout();
                if (!context.mounted) return;
                Navigator.of(context).pop();
              },
              icon: const Icon(Icons.logout),
              label: const Text('Sign out'),
            ),
          ],
        ),
      ),
    );
  }

  static String _formatTime(DateTime time) {
    final local = time.toLocal();
    final h = local.hour.toString().padLeft(2, '0');
    final m = local.minute.toString().padLeft(2, '0');
    return '$h:$m';
  }
}