using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace FillingColumn
{
    /// <summary>
    /// Логика взаимодействия для StartWorkPage.xaml
    /// </summary>
    public partial class StartWorkPage : Page
    {
        public StartWorkPage()
        {
            InitializeComponent();
        }

        public async void ConnectToServer(string IDGasStation)
        {
            try
            {
                if (IDGasStation.Length == 1)
                {
                    IDGasStation = IDGasStation.Insert(0, "0");
                }
                string port = "102" + IDGasStation;
                IPEndPoint IpPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), Convert.ToInt32(port));
                Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                socket.Connect(IpPoint);
                //Отправка запроса на сервер АЗС
                string request = "GetDataOfGasStation";
                byte[] data = Encoding.UTF8.GetBytes(request);
                socket.Send(data);
                //Получение ответа от сервера АЗС
                data = new byte[256]; // буфер для ответа
                StringBuilder builder = new StringBuilder();
                int bytes = 0; // количество полученных байт
                do
                {
                    bytes = socket.Receive(data, data.Length, 0);
                    builder.Append(Encoding.UTF8.GetString(data, 0, bytes));
                }
                while (socket.Available > 0);

                Helper.CurrentGasStation = JsonConvert.DeserializeObject<RootDataOfGasStation>(builder.ToString());

                // закрываем сокет
                socket.Shutdown(SocketShutdown.Both);
                socket.Close();
                ManagerFrame.MainFrame.Navigate(new RefuelingPage());
            }
            catch (Exception)
            {
                MessageBox.Show("Нет ответа от АЗС", "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error);
            }
         
        }

        private void BtnConnectToStation_Click(object sender, RoutedEventArgs e)
        {
            ConnectToServer(TxtIDStation.Text);
        }
    }
}