// * Widget for managing camera trap control/check dates
// * Features:
// * - Date picker for selecting control dates
// * - Date display in localized format
// * - Callback support for date changes

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

/// Widget for selecting and displaying camera trap control dates
/// Used to schedule when the camera trap should be checked
class KontDat extends StatefulWidget {
  /// Initial control date, if any
  final DateTime? initKontDat;
  /// Callback function when date is changed
  final Function(DateTime) onDateChanged;

  const KontDat(
      {super.key, required this.initKontDat, required this.onDateChanged});

  @override
  State<KontDat> createState() => _KontDatState();
}

/// State class for the control date widget
class _KontDatState extends State<KontDat> {
  /// Currently selected control date
  DateTime? kontDat;

  @override
  void initState() {
    super.initState();
    kontDat = widget.initKontDat;
  }

  @override
  Widget build(BuildContext context) {
    return Row(
      children: [
        Row(children: [
          // Date picker button
          SizedBox(
            width: 140,
            child: ElevatedButton(
                onPressed: () async {
                  final date = await pickDate();
                  if (date == null) return;
                  setState(() {
                    kontDat = date;
                  });
                  widget.onDateChanged(date);
                },
                child: Text(AppLocalizations.of(context)!.pickkontdat)),
          ),
          const SizedBox(width: 10),
          // Display selected date in DD.MM.YYYY format
          Text(
            '${kontDat?.day}. ${kontDat?.month}. ${kontDat?.year}',
          ),
        ]),
      ],
    );
  }

  /// Show date picker dialog and return selected date
  /// @return Future[DateTime?] Selected date or null if cancelled
  Future<DateTime?> pickDate() async {
    final date = await showDatePicker(
        context: context,
        initialDate: kontDat ?? DateTime.now(),
        firstDate: DateTime(2000),
        lastDate: DateTime(5000));

    return date;
  }
}