Envelope/mobile/lib/utils/storage/conversations.dart

import 'dart:convert';
import 'package:http/http.dart' as http;
import 'package:flutter_dotenv/flutter_dotenv.dart';
import 'package:pointycastle/export.dart';
import 'package:sqflite/sqflite.dart';
import '/models/my_profile.dart';
import '/models/conversations.dart';
import '/models/conversation_users.dart';
import '/utils/storage/database.dart';
import '/utils/storage/session_cookie.dart';
import '/utils/encryption/aes_helper.dart';

// TODO: Refactor this function
Future<void> updateConversations() async {
  RSAPrivateKey privKey = await MyProfile.getPrivateKey();

  // try {
    var resp = await http.get(
      Uri.parse('${dotenv.env["SERVER_URL"]}api/v1/auth/conversations'),
      headers: {
        'cookie': await getSessionCookie(),
      }
    );

    if (resp.statusCode != 200) {
      throw Exception(resp.body);
    }

    List<Conversation> conversations = [];
    List<String> conversationsDetailIds = [];

    List<dynamic> conversationsJson = jsonDecode(resp.body);

    if (conversationsJson.isEmpty) {
      return;
    }

    for (var i = 0; i < conversationsJson.length; i++) {
      Conversation conversation = Conversation.fromJson(
        conversationsJson[i] as Map<String, dynamic>,
        privKey,
      );
      conversations.add(conversation);
      conversationsDetailIds.add(conversation.conversationDetailId);
    }

    Map<String, String> params = {};
    params['conversation_detail_ids'] = conversationsDetailIds.join(',');
    var uri = Uri.parse('${dotenv.env["SERVER_URL"]}api/v1/auth/conversation_details');
    uri = uri.replace(queryParameters: params);

    resp = await http.get(
      uri,
      headers: {
        'cookie': await getSessionCookie(),
      }
    );

    if (resp.statusCode != 200) {
      throw Exception(resp.body);
    }

    final db = await getDatabaseConnection();

    List<dynamic> conversationsDetailsJson = jsonDecode(resp.body);
    for (var i = 0; i < conversationsDetailsJson.length; i++) {
      var conversationDetailJson = conversationsDetailsJson[i] as Map<String, dynamic>;
      var conversation = findConversationByDetailId(conversations, conversationDetailJson['id']);

      conversation.name = AesHelper.aesDecrypt(
        base64.decode(conversation.symmetricKey),
        base64.decode(conversationDetailJson['name']),
      );

      await db.insert(
        'conversations',
        conversation.toMap(),
        conflictAlgorithm: ConflictAlgorithm.replace,
      );

      List<dynamic> usersData = json.decode(
        AesHelper.aesDecrypt(
          base64.decode(conversation.symmetricKey),
          base64.decode(conversationDetailJson['users']),
        )
      );

      for (var i = 0; i < usersData.length; i++) {
        ConversationUser conversationUser = ConversationUser.fromJson(
          usersData[i] as Map<String, dynamic>,
          conversation.id,
        );

        await db.insert(
          'conversation_users',
          conversationUser.toMap(),
          conflictAlgorithm: ConflictAlgorithm.replace,
        );
      }
    }
  // } catch (SocketException) {
  //   return;
  // }
}

Future<void> uploadConversation(Conversation conversation) async {
  String sessionCookie = await getSessionCookie();

  Map<String, dynamic> conversationJson = await conversation.payloadJson();

  var x = await http.post(
    Uri.parse('${dotenv.env["SERVER_URL"]}api/v1/auth/conversations'),
    headers: <String, String>{
      'Content-Type': 'application/json; charset=UTF-8',
      'cookie': sessionCookie,
    },
    body: jsonEncode(conversationJson),
  );

  // TODO: Handle errors here
  print(x.statusCode);
}


Future<void> updateConversation(Conversation conversation, { includeUsers = true } ) async {
  String sessionCookie = await getSessionCookie();

  Map<String, dynamic> conversationJson = await conversation.payloadJson(includeUsers: includeUsers);

  var x = await http.put(
    Uri.parse('${dotenv.env["SERVER_URL"]}api/v1/auth/conversations'),
    headers: <String, String>{
      'Content-Type': 'application/json; charset=UTF-8',
      'cookie': sessionCookie,
    },
    body: jsonEncode(conversationJson),
  );

  // TODO: Handle errors here
  print(x.statusCode);
}