import 'dart:convert';
import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:lastorado_shared/lastorado_shared.dart';
import 'package:mini_server/mini_server.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';

part 'main.g.dart';

final container = ProviderContainer();

@riverpod
Future<String> getIpAddress(final ref) async {
  var ipAddress = '';
  await NetworkInterface.list(type: InternetAddressType.IPv4)
      .then((interfaces) {
    interfaces.forEach((interface) {
      interface.addresses.forEach((address) {
        if (address.address.isNotEmpty) {
          ipAddress = address.address;
        }
      });
    });
  });
  return ipAddress;
}

@riverpod
class Taxameter extends _$Taxameter {
  @override
  TaxameterStatus build() {
    return TaxameterStatus(
        eventList: [
          TripStatus(dateTime: DateTime.now(), type: TripStatusType.driving)
        ],
        hasTrailer: false,
        hasBigLuggage: false,
        isFarAway: false,
        isCharity: false);
  }

  void setEventList(List<TripStatus> eventList) {
    state = state.copyWith(eventList: eventList);
  }

  void setHasTrailer(bool hasTrailer) {
    state = state.copyWith(hasTrailer: hasTrailer);
  }

  void setHasBigLuggage(bool hasBigLuggage) {
    state = state.copyWith(hasBigLuggage: hasBigLuggage);
  }

  void setIsFarAway(bool isFarAway) {
    state = state.copyWith(isFarAway: isFarAway);
  }

  void setIsCharity(bool isCharity) {
    state = state.copyWith(isCharity: isCharity);
  }
}

final curTripProvider = StateProvider<TripStatus>((ref) =>
    TripStatus(dateTime: DateTime.now(), type: TripStatusType.driving));

class TripEventList extends Notifier<List<TripStatus>> {
  @override
  List<TripStatus> build() {
    return [];
  }

  void add(TripStatus tripEvent) {
    state = [...state, tripEvent];
  }

  void removeItem(TripStatus event) {
    state.remove(event);
  }
}

final tripEventListProvider =
    NotifierProvider<TripEventList, List<TripStatus>>(TripEventList.new);

final allEventsProvider = Provider<List<TripStatus>>((ref) {
  final tripEvents = ref.watch(tripEventListProvider);
  return tripEvents;
});

final timeProvider = Provider<Map<String, int>>((ref) {
  final tripEvents = ref.watch(tripEventListProvider);
  //final times = LocalTaxameterRepository.calculateTimes(tripEvents);
  return {'test': 1};
});

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  final miniServer = MiniServer(
    host: '0.0.0.0',
    port: 8080,
  );

  miniServer.get('/taxameter', (HttpRequest request) async {
    request.response.headers.contentType = ContentType.json;
    var tax = container.read(taxameterProvider);
    return request.response.write(jsonEncode(tax.toJson()));
  });

  runApp(const MyApp());
}

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

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  @override
  void dispose() {
    super.dispose();
    container.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return UncontrolledProviderScope(
      container: container,
      child: const MaterialApp(
        home: Scaffold(
          body: Center(
            child: ContentWidget(),
          ),
        ),
      ),
    );
  }
}

class ContentWidget extends ConsumerWidget {
  const ContentWidget({super.key});

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final ipAddress = ref.watch(getIpAddressProvider);
    final tax = ref.watch(taxameterProvider);
    final curEvent = ref.watch(curTripProvider);
    final tripEvents = ref.watch(tripEventListProvider);
    final times = ref.watch(timeProvider);

    return ListView(
      children: [
        switch (ipAddress) {
          AsyncError(:final error) => ListTile(
              title: Text('Error: $error'),
              tileColor: Colors.red[200],
            ),
          AsyncData(:final value) => ListTile(
              title: Text('Server is listening on $value'),
              tileColor: Colors.grey[200],
            ),
          _ => const CircularProgressIndicator(),
        },
        const SizedBox(height: 40),
        CheckboxListTile(
          value: tax.hasTrailer,
          onChanged: (value) => ref
              .read(taxameterProvider.notifier)
              .setHasTrailer(value ?? false),
          title: const Text('has trailer'),
        ),
        CheckboxListTile(
          value: tax.hasBigLuggage,
          onChanged: (value) => ref
              .read(taxameterProvider.notifier)
              .setHasBigLuggage(value ?? false),
          title: const Text('has big luggage'),
        ),
        CheckboxListTile(
          value: tax.isFarAway,
          onChanged: (value) =>
              ref.read(taxameterProvider.notifier).setIsFarAway(value ?? false),
          title: const Text('is far away'),
        ),
        CheckboxListTile(
          value: tax.isCharity,
          onChanged: (value) =>
              ref.read(taxameterProvider.notifier).setIsCharity(value ?? false),
          title: const Text('is charity'),
        ),
        const SizedBox(
          height: 10,
        ),
        Text('Trip events', style: Theme.of(context).textTheme.displayMedium),
        Container(
          decoration: BoxDecoration(color: Colors.grey[200]),
          child: Column(
            children: [
              ElevatedButton(
                  onPressed: () async {
                    final TimeOfDay? time = await showTimePicker(
                        context: context, initialTime: TimeOfDay.now());
                    final now = DateTime.now();
                    if (time != null) {
                      ref.read(curTripProvider.notifier).update((state) =>
                          state = TripStatus(
                              dateTime: DateTime(now.year, now.month, now.day,
                                  time.hour, time.minute),
                              type: TripStatusType.driving));
                    }
                  },
                  child: const Text('Select time')),
              Text('Selected time: ${curEvent.dateTime}'),
              DropdownMenu(
                dropdownMenuEntries: const [
                  DropdownMenuEntry(
                    value: TripStatusType.driving,
                    label: 'driving',
                  ),
                  DropdownMenuEntry(
                    value: TripStatusType.waiting,
                    label: 'waiting',
                  ),
                  DropdownMenuEntry(
                    value: TripStatusType.done,
                    label: 'done',
                  ),
                ],
                onSelected: (value) {
                  ref.read(curTripProvider.notifier).update((state) => state =
                      TripStatus(
                          dateTime: state.dateTime,
                          type: value as TripStatusType));
                },
              ),
              ElevatedButton(
                onPressed: () {
                  ref
                      .read(tripEventListProvider.notifier)
                      .add(ref.read(curTripProvider.notifier).state.copyWith());
                },
                child: const Text('Add event'),
              ),
            ],
          ),
        ),
        for (final event in tripEvents)
          ListTile(
            title: Text(event.dateTime.toString()),
            subtitle: Text(event.type.toString()),
            trailing: IconButton(
              icon: const Icon(Icons.delete),
              onPressed: () {
                ref.read(tripEventListProvider.notifier).removeItem(event);
              },
            ),
          ),
        Container(
          decoration: BoxDecoration(color: Colors.grey[200]),
          child: Column(
            children: [Text('Times: $times')],
          ),
        )
      ],
    );
  }
}