// * Widget for selecting time zone settings (MEZ/MESZ)
// * Features:
// * - Radio button selection between summer and winter time
// * - Localized labels for time zones
// * - Default selection support

import 'package:flutter/material.dart';
import 'package:fforte/l10n/app_localizations.dart';

/// Widget for selecting between summer time (MESZ) and winter time (MEZ)
/// Used to configure camera trap time settings
class MEZ extends StatefulWidget {
  /// Callback function when time zone selection changes
  final Function(String) onMEZChanged;
  /// Initial time zone selection ('sommerzeit' by default)
  final String initialMEZ;

  const MEZ(
      {super.key, required this.onMEZChanged, this.initialMEZ = 'sommerzeit'});

  @override
  State<MEZ> createState() => _MEZState();
}

/// State class for the time zone selection widget
class _MEZState extends State<MEZ> {
  /// Currently selected time zone
  String? _selectedMEZ;

  @override
  void initState() {
    super.initState();
    _selectedMEZ = widget.initialMEZ;
  }

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        // Summer time (MESZ) radio button
        ListTile(
          visualDensity: const VisualDensity(vertical: -4),
          title: Text(AppLocalizations.of(context)!.sommerzeit),
          leading: Radio<String>(
            value: 'Sommerzeit',
            groupValue: _selectedMEZ,
            onChanged: (value) {
              setState(() {
                _selectedMEZ = value;
                widget.onMEZChanged(value!);
              });
            },
          ),
        ),
        // Winter time (MEZ) radio button
        ListTile(
          visualDensity: const VisualDensity(vertical: -4),
          title: Text(AppLocalizations.of(context)!.winterzeit),
          leading: Radio<String>(
            value: 'Winterzeit',
            groupValue: _selectedMEZ,
            onChanged: (value) {
              setState(() {
                _selectedMEZ = value;
                widget.onMEZChanged(value!);
              });
            },
          ),
        ),
      ],
    );
  }
}