todos-contra-el-fuego-mobile/lib/models/firesApi.dart

import 'dart:async';
import 'dart:convert';

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

import '../globals.dart' as globals;
import '../objectIdUtils.dart';
import '../redux/actions.dart';
import 'appState.dart';
import 'falsePositiveTypes.dart';
import 'yourLocation.dart';

class FiresApi {

  FiresApi() {
    _dio = Dio();
  }
  late final Dio _dio;

  Future<String> createUser(
      AppState state, String mobileToken, String lang) async {
    final Map<String, String> params = <String, String>{
      'token': state.firesApiKey,
      'mobileToken': mobileToken,
      'lang': lang
    };
    final String url = '${state.firesApiUrl}mobile/users';
    try {
      final Response<dynamic> response = await _dio.post(url, data: params);
      if (response.statusCode == 200) {
        return response.data['data']['userId'] as String;
      } else {
        throw 'Unexpected error on create user';
      }
    } catch (e) {
      throw 'Error creating user: $e';
    }
  }

  Future<List<YourLocation>> fetchYourLocations(AppState state) async {
    final String apiKey = state.firesApiKey;
    final String mobileToken = state.user.token;
    final String url =
        '${state.firesApiUrl}mobile/subscriptions/all/$apiKey/$mobileToken';
    try {
      final Response<dynamic> response = await _dio.get(url);
      if (response.statusCode == 200) {
        final List<dynamic> dataSubscriptions =
            response.data['data']['subscriptions'] as List<dynamic>;
        final List<YourLocation> subscribed = <YourLocation>[];
        for (int i = 0; i < dataSubscriptions.length; i++) {
          final Map<String, dynamic> el = dataSubscriptions[i] as Map<String, dynamic>;
          final double lat = (el['location']['lat'] as num).toDouble();
          final double lon = (el['location']['lon'] as num).toDouble();
          subscribed.add(YourLocation(
              id: objectIdFromJson(el['_id']['_str'] as String),
              lat: lat,
              lon: lon,
              subscribed: true,
              distance: (el['distance'] as num).toInt()));
        }
        return subscribed;
      } else {
        throw 'Unexpected error fetching your locations';
      }
    } catch (e) {
      throw 'Error fetching locations: $e';
    }
  }

  Future<String> subscribe(AppState state, YourLocation loc) async {
    final Map<String, Object> params = <String, Object>{
      'token': state.firesApiKey,
      'mobileToken': state.user.token,
      'id': loc.id.hexString,
      'lat': loc.lat,
      'lon': loc.lon,
      'distance': loc.distance
    };
    final String url = '${state.firesApiUrl}mobile/subscriptions';
    try {
      final Response<dynamic> response = await _dio.post(url, data: params);
      if (response.statusCode == 200) {
        return response.data['data']['subsId'] as String;
      } else {
        print(response.data);
        throw 'Unexpected error on subscribe';
      }
    } catch (e) {
      throw 'Error subscribing: $e';
    }
  }

  Future<bool> unsubscribe(AppState state, String subsId) async {
    final String apiKey = state.firesApiKey;
    final String mobileToken = state.user.token;
    final String url =
        '${state.firesApiUrl}mobile/subscriptions/$apiKey/$mobileToken/$subsId';
    try {
      final Response<dynamic> response = await _dio.delete(url);
      if (response.statusCode == 200) {
        return true;
      } else {
        throw 'Unexpected error on unsubscribe';
      }
    } catch (e) {
      throw 'Error unsubscribing: $e';
    }
  }

  Future<UpdateFireMapStatsAction> getFiresInLocation(
      {required AppState state,
      required double lat,
      required double lon,
      required int distance}) async {
    final String url =
        '${state.firesApiUrl}fires-in-full/${state.firesApiKey}/$lat/$lon/$distance';
    if (globals.isDevelopment) print(url);
    try {
      final Response<dynamic> response = await _dio.get(url);
      if (response.statusCode == 200) {
        final resultDecoded = response.data;
        final int numFires = (resultDecoded['real'] as num).toInt();
        final List<dynamic> fires = resultDecoded['fires'] as List<dynamic>;
        final List<dynamic> falsePos = resultDecoded['falsePos'] as List<dynamic>;
        final List<dynamic> industries = resultDecoded['industries'] as List<dynamic>;

        if (globals.isDevelopment) {
          final int firesCount = fires.length;
          final int industriesCount = industries.length;
          final int falsePosCount = falsePos.length;
          print(
              '(Pos: $lat, $lon) real: $numFires, fire: $firesCount falsePos: $falsePosCount industries: $industriesCount');
        }
        return UpdateFireMapStatsAction(
            numFires: numFires,
            fires: fires,
            falsePos: falsePos,
            industries: industries);
      } else
        throw Exception('Wrong response trying to get fire data');
    } catch (e) {
      throw Exception('Error getting fires: $e');
    }
  }

  Future<List<Polyline>> getMonitoredAreas({required AppState state}) async {
    final String url =
        '${state.firesApiUrl}status/subs-public-union/${state.firesApiKey}';
    const Color color = Color(0xFF145A32);
    try {
      final Response<dynamic> response = await _dio.get(url);
      if (response.statusCode == 200) {
        final resultDecoded = response.data;
        final List<Polyline> union = <Polyline>[];
        final List<dynamic> multipolygon =
            (json.decode(resultDecoded['data']['union']['value'] as String)
                    as Map<String, dynamic>)['geometry']['coordinates']
                as List<dynamic>;
        for (final dynamic polygonDynamic in multipolygon) {
          final List<dynamic> polygon = polygonDynamic as List<dynamic>;
          for (final dynamic holeDynamic in polygon) {
            final List<dynamic> hole = holeDynamic as List<dynamic>;
            final List<LatLng> points = <LatLng>[];
            for (final dynamic pointDynamic in hole) {
              final List<dynamic> point = pointDynamic as List<dynamic>;
              points.add(LatLng(
                  (point[1] as num).toDouble(), (point[0] as num).toDouble()));
            }
            union.add(Polyline(points: points, color: color, strokeWidth: 3.0));
          }
        }
        return union;
      } else
        throw Exception('Wrong response trying to get fire data');
    } catch (e) {
      throw Exception('Error getting monitored areas: $e');
    }
  }

  Future<bool> markFalsePositive(AppState state, String mobileToken,
      String sealed, FalsePositiveType type) async {
    final Map<String, String> params = <String, String>{
      'token': state.firesApiKey,
      'mobileToken': mobileToken,
      'sealed': sealed,
      'type': type.toString().split('.')[1]
    };
    final String url = '${state.firesApiUrl}mobile/falsepositive';
    try {
      final Response<dynamic> response = await _dio.post(url, data: params);
      if (response.statusCode == 200) {
        if (globals.isDevelopment) print(response.data['data']['upsert']);
        return true;
      } else {
        debugPrint(response.data.toString());
        return false;
      }
    } catch (e) {
      debugPrint('Error marking false positive: $e');
      return false;
    }
  }
}