import 'dart:async';

import 'package:flutter/material.dart';
import 'package:flutter_map/flutter_map.dart';
import 'package:json_annotation/json_annotation.dart';
import 'package:latlong2/latlong.dart';
import 'package:meta/meta.dart';

import '../utils/widget_utils.dart';
import 'fireMapState.dart';
import 'fireNotification.dart';
import 'user.dart';
import 'yourLocation.dart';

export 'fireMapState.dart';

part 'appState.g.dart';

@immutable
@JsonSerializable()
class AppState {
  const AppState(
      {this.yourLocations = const <YourLocation>[],
      this.fireNotifications = const <FireNotification>[],
      this.fireNotificationsUnread = 0,
      this.user = const User.initial(),
      this.isLoading = false,
      this.isLoaded = false,
      this.error = '',
      this.gmapKey = '',
      this.firesApiKey = '',
      this.firesApiUrl = '',
      this.serverUrl = '',
      this.monitoredAreas = const <Polyline>[],
      this.fireMapState = const FireMapState.initial()});

  factory AppState.fromJson(Map<String, dynamic> json) =>
      _$AppStateFromJson(json);
  final bool isLoading;
  @JsonKey(includeFromJson: false, includeToJson: false)
  final bool isLoaded;
  @JsonKey(includeFromJson: false, includeToJson: false)
  final String error;
  @JsonKey(includeFromJson: false, includeToJson: false)
  final User user;
  @JsonKey(includeFromJson: false, includeToJson: false)
  final String gmapKey;
  @JsonKey(includeFromJson: false, includeToJson: false)
  final String serverUrl;
  @JsonKey(includeFromJson: false, includeToJson: false)
  final String firesApiKey;
  @JsonKey(includeFromJson: false, includeToJson: false)
  final String firesApiUrl;
  final List<YourLocation> yourLocations;
  final List<FireNotification> fireNotifications;
  @JsonKey(includeFromJson: false, includeToJson: false)
  final List<Polyline> monitoredAreas;
  @JsonKey(includeFromJson: false, includeToJson: false)
  final int fireNotificationsUnread;
  @JsonKey(includeFromJson: false, includeToJson: false)
  final FireMapState fireMapState;

  AppState copyWith(
      {bool? isLoading,
      bool? isLoaded,
      User? user,
      String? error,
      String? gmapKey,
      String? firesApiKey,
      String? serverUrl,
      String? firesApiUrl,
      List<YourLocation>? yourLocations,
      List<FireNotification>? fireNotifications,
      int? fireNotificationsUnread,
      FireMapState? fireMapState,
      List<Polyline>? monitoredAreas}) {
    return AppState(
        isLoading: isLoading ?? this.isLoading,
        isLoaded: isLoaded ?? this.isLoaded,
        user: user ?? this.user,
        error: error ?? this.error,
        gmapKey: gmapKey ?? this.gmapKey,
        firesApiKey: firesApiKey ?? this.firesApiKey,
        firesApiUrl: firesApiUrl ?? this.firesApiUrl,
        serverUrl: serverUrl ?? this.serverUrl,
        yourLocations: yourLocations ?? this.yourLocations,
        fireNotifications: fireNotifications ?? this.fireNotifications,
        fireNotificationsUnread:
            fireNotificationsUnread ?? this.fireNotificationsUnread,
        monitoredAreas: monitoredAreas ?? this.monitoredAreas,
        fireMapState: fireMapState ?? this.fireMapState);
  }

  @override
  String toString() {
    return 'AppState{\nuser: $user\nisLoading: $isLoading\nisLoaded: $isLoaded\napiKey: ${ellipse(firesApiKey, 8)}\napiUrl: $firesApiUrl\nserverUrl: $serverUrl\nfireMapState: $fireMapState\nyourLocations count: ${yourLocations.length}\nunread notif: $fireNotificationsUnread\nfireNotifications: $fireNotifications\nyourLocations: $yourLocations}';
  }
}

typedef AddYourLocationFunction = void Function(YourLocation loc);
typedef DeleteYourLocationFunction = void Function(YourLocation loc);
typedef OnRefreshYourLocationsFunction = void Function(
    Completer<void> callback);
typedef ToggleSubscriptionFunction = void Function(YourLocation loc);
typedef OnLocationTapFunction = void Function(YourLocation loc);
typedef OnSubscribeFunction = void Function(YourLocation loc);
typedef OnSubscribeDistanceChangeFunction = void Function(YourLocation loc);
typedef OnUnSubscribeFunction = void Function(YourLocation loc);
typedef OnSubscribeConfirmedFunction = void Function(YourLocation loc);
typedef OnLocationEdit = void Function(YourLocation loc);
typedef OnLocationEditing = void Function(YourLocation loc);
typedef OnLocationEditConfirm = void Function(YourLocation loc);
typedef OnLocationEditCancel = void Function(YourLocation loc);
typedef TapFireNotificationFunction = void Function(FireNotification notif);
typedef OnFirePressedInMap = void Function(
    LatLng latLng, DateTime when, String source);
// typedef void OnReceivedFireNotificationFunction(FireNotification notif);
typedef DeleteFireNotificationFunction = void Function(FireNotification notif);
typedef DeleteAllFireNotificationFunction = void Function();

// unused
// typedef void UpdateYourLocationFunction(ObjectId id, YourLocation loc);