import 'dart:convert';

import 'package:Envelope/database/models/device_tokens.dart';
import 'package:http/http.dart' as http;
import 'package:pointycastle/export.dart';
import 'package:sqflite/sqflite.dart';

import '/database/models/friends.dart';
import '/database/models/my_profile.dart';
import '/utils/storage/database.dart';
import '/utils/storage/session_cookie.dart';

class FriendsService {
  static Future<void> updateFriends({
    int page = 0,
    DateTime? acceptedAt
  }) async {
    RSAPrivateKey privKey = await MyProfile.getPrivateKey();

    Map<String, String> params = {};

    if (page != 0) {
      params['page'] = page.toString();
    }

    if (acceptedAt != null) {
      params['updated_at'] = acceptedAt.toIso8601String();
    }

    var uri = await MyProfile.getServerUrl('api/v1/auth/friend_requests');
    uri = uri.replace(queryParameters: params);

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

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

    final db = await getDatabaseConnection();

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

    for (var i = 0; i < friendsRequestJson.length; i++) {
      Friend friend = Friend.fromJson(
        friendsRequestJson[i] as Map<String, dynamic>,
        privKey,
      );

      await db.insert(
        'friends',
        friend.toMap(),
        conflictAlgorithm: ConflictAlgorithm.replace,
      );

      List<dynamic> tokens = (friendsRequestJson[i]['tokens']);
      for (var j = 0; j < tokens.length; j++) {
        DeviceToken token = DeviceToken.fromJson(
          tokens[j]['device_token'],
          friend.friendId,
          privKey,
        );

        await db.insert(
          'device_tokens',
          token.toMap(),
          conflictAlgorithm: ConflictAlgorithm.replace,
        );
      }
    }
  }
}