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

import '../../../core/models/models.dart';
import '../../../core/models/severity_mapping.dart';
import '../../../core/theme/theme_x.dart';
import '../../../core/widgets/data_table_scaffold.dart';
import '../../../core/widgets/empty_state.dart';
import '../../../core/widgets/mono_text.dart';
import '../../../core/widgets/status_pill.dart';

class BackupHistoryTable extends StatelessWidget {
  const BackupHistoryTable({super.key, required this.history, required this.targets});

  final List<BackupExecution> history;
  final List<BackupTarget> targets;

  String _targetName(String? targetId) {
    if (targetId == null) return '—';
    for (final t in targets) {
      if (t.id == targetId) return t.name;
    }
    return targetId;
  }

  @override
  Widget build(BuildContext context) {
    final sorted = [...history]..sort((a, b) => b.timestamp.compareTo(a.timestamp));
    final timeFormat = DateFormat('yyyy-MM-dd HH:mm');

    return DataTableScaffold(
      empty: const EmptyState(
        icon: Icons.cloud_outlined,
        title: 'No backup history yet',
        message: 'Run a backup to see execution results here.',
      ),
      columns: const [
        DataColumn(label: Text('Timestamp')),
        DataColumn(label: Text('Target')),
        DataColumn(label: Text('Result')),
        DataColumn(label: Text('Duration')),
        DataColumn(label: Text('Message')),
      ],
      rows: [
        for (final execution in sorted)
          DataRow(
            cells: [
              DataCell(MonoText(timeFormat.format(execution.timestamp.toLocal()))),
              DataCell(Text(_targetName(execution.targetId))),
              DataCell(
                StatusPill(
                  label: execution.success ? 'success' : 'failed',
                  severity: severityForSuccess(execution.success),
                ),
              ),
              DataCell(
                Text(
                  '${execution.durationSeconds}s',
                  style: context.dataStyles.numericTabular,
                ),
              ),
              DataCell(
                ConstrainedBox(
                  constraints: const BoxConstraints(maxWidth: 340),
                  child: MonoText(execution.message, small: true, maxLines: 1),
                ),
              ),
            ],
          ),
      ],
    );
  }
}