import 'dart:developer';

import 'package:flutter/material.dart';
import 'package:jiffy/jiffy.dart';
import 'package:rrule_generator/rrule_generator.dart';

class AddCustomTimetableEventDialog extends StatefulWidget {
  const AddCustomTimetableEventDialog({super.key});

  @override
  State<AddCustomTimetableEventDialog> createState() => _AddCustomTimetableEventDialogState();
}

class _AddCustomTimetableEventDialogState extends State<AddCustomTimetableEventDialog> {
  DateTime _date = DateTime.now();
  TimeOfDay _starTime = TimeOfDay.now().replacing(minute: 00);
  TimeOfDay _endTime = TimeOfDay.now().replacing(minute: 30);
  final TextEditingController _eventName = TextEditingController();
  final TextEditingController _eventDescription = TextEditingController();
  String _recurringRule = "";

  @override
  Widget build(BuildContext context) {
    return AlertDialog(
      insetPadding: const EdgeInsets.all(20),
      contentPadding: const EdgeInsets.all(10),
      title: const Text('Termin hinzufügen'),
      content: SingleChildScrollView(
        child: Column(
          mainAxisSize: MainAxisSize.min,
          children: <Widget>[
            ListTile(
              title: TextField(
                controller: _eventName,
                autofocus: true,
                decoration: const InputDecoration(
                  labelText: "Terminname",
                  border: OutlineInputBorder()
                ),
              ),
            ),
            ListTile(
              title: TextField(
                controller: _eventDescription,
                maxLines: 2,
                minLines: 2,
                decoration: const InputDecoration(
                  labelText: "Beschreibung",
                  border: OutlineInputBorder()
                ),
              ),
            ),
            const Divider(),
            ListTile(
              title: Text(Jiffy.parseFromDateTime(_date).yMMMd),
              subtitle: const Text("Datum"),
              onTap: () async {
                final DateTime? pickedDate = await showDatePicker(
                  context: context,
                  initialDate: _date,
                  firstDate: DateTime.now(),
                  lastDate: DateTime(2101),
                );
                if (pickedDate != null && pickedDate != _date) {
                  setState(() {
                    _date = pickedDate;
                  });
                }
              },
            ),
            ListTile(
              title: Text(_starTime.format(context).toString()),
              subtitle: const Text("Beginnend"),
              onTap: () async {
                final TimeOfDay? pickedTime = await showTimePicker(
                  context: context,
                  initialTime: _starTime,
                );
                if(pickedTime == null) return;
                setState(() {
                  _starTime = pickedTime;
                });
              },
            ),
            ListTile(
              title: Text(_endTime.format(context).toString()),
              subtitle: const Text("Endend"),
              onTap: () async {
                final TimeOfDay? pickedTime = await showTimePicker(
                  context: context,
                  initialTime: _endTime,
                );
                if (pickedTime != null && pickedTime != _endTime) {
                  setState(() {
                    _endTime = pickedTime;
                  });
                }
              },
            ),
            const Divider(),
            RRuleGenerator(
              config: RRuleGeneratorConfig(
                headerEnabled: true,
                weekdayBackgroundColor: Theme.of(context).colorScheme.secondary,
                weekdaySelectedBackgroundColor: Theme.of(context).primaryColor,
                weekdayColor: Colors.black,
              ),
              initialRRule: _recurringRule,
              textDelegate: const GermanRRuleTextDelegate(),
              onChange: (String newValue) {
                log("Rule: $newValue");
                setState(() {
                  _recurringRule = newValue;
                });
              },
            )
          ],
        ),
      ),
      actions: <Widget>[
        TextButton(
          onPressed: () {
            Navigator.of(context).pop();
          },
          child: const Text('Abbrechen'),
        ),
        TextButton(
          onPressed: () {
            // Hier kannst du die Eingaben verwenden
            String startDate = '${_date.day}/${_date.month}/${_date.year}';
            String startTime = '${_starTime.hour}:${_starTime.minute}';
            String endTime = '${_endTime.hour}:${_endTime.minute}';
            String eventName = _eventName.text;
            String recurringFrequency = _recurringRule;

            // Hier kannst du die Daten speichern oder weiterverarbeiten
            print('Startdatum: $startDate');
            print('Startzeit: $startTime');
            print('Endzeit: $endTime');
            print('Terminname: $eventName');

            // Hier könntest du die Termindaten weiterverarbeiten, z.B. speichern und den Dialog schließen
            Navigator.of(context).pop();
          },
          child: const Text('Hinzufügen'),
        ),
      ],
    );
  }
}