GasStation/FillingColumn/RefuelingPage.xaml.cs

using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
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;
using System.Windows.Threading;

namespace FillingColumn
{
    /// <summary>
    /// Логика взаимодействия для RefuelingPage.xaml
    /// </summary>
    public partial class RefuelingPage : Page
    {

        public RefuelingPage()
        {
            InitializeComponent();
            var timer = new DispatcherTimer();
            timer.Interval = new TimeSpan(0, 0, 5);
            timer.IsEnabled = true;
            timer.Tick += Timer_Tick;
            timer.Start();
            AddTypeOFRefueling();
            CmbTypeOfFuel.ItemsSource = Helper.CurrentGasStation.FuelInCurrentGasStation;
            Title = $"Работа с колонкой на АЗС {Helper.CurrentGasStation.GasStationID}";
        }

        //Событие таймера
        private async void Timer_Tick(object sender, EventArgs e)
        {
            try
            {
                HttpClient client = new HttpClient();
                var response = await client.GetAsync("http://127.0.0.1:7070/getDataFromCamera/");
                var Body = await response.Content.ReadAsStringAsync();
                DataFromCamera dataFromCamera = JsonConvert.DeserializeObject<DataFromCamera>(Body);
                TxtDataOfCamera.Text = "Гос. номер распознан: " + dataFromCamera.CarNumber;
                FindCar(Body);
            }
            catch (Exception)
            {
                TxtDataOfCamera.Text = "Нет ответа от камеры";
                Helper.FindCar = null;
            }
        }

        public async void FindCar(string JsonDataOfCamera)
        {
            string IDGasStation = Helper.CurrentGasStation.GasStationID.ToString();
            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 данных с камеры на сервер АЗС
            string request = "POST data of camera=" + JsonDataOfCamera;
            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);

            //Десериализация данных о машине
            Helper.FindCar = JsonConvert.DeserializeObject<RootDataOfCar>(builder.ToString());
            AddTypeOFRefueling();
            // закрываем сокет
            socket.Shutdown(SocketShutdown.Both);
            socket.Close();
        }

        public void AddTypeOFRefueling()
        {

            List<string> TypeOfRefueling = new List<string>();
            TypeOfRefueling.Add("Фиксированный объем");
            TypeOfRefueling.Add("Фиксированная цена");
            List<string> TypeOfPayment = new List<string>();
            TypeOfPayment.Add("Банковской картой");

            if (Helper.FindCar != null)
            {
                if (Helper.FindCar.VolumeTank != null)
                {
                    TypeOfRefueling.Add("До полного бака с ограничением по объему");
                }
                if (Helper.FindCar.CardOfCars.FirstOrDefault(x=>x.IDCardType == 3) != null)
                {
                    TypeOfPayment.Add("Накопительной картой");
                }
                if (Helper.FindCar.CardOfCars.FirstOrDefault(x => x.IDCardType == 2) != null)
                {
                    TypeOfPayment.Add("Кредитной картой");
                }
            }
            CmbTypeOfPayment.ItemsSource = TypeOfPayment;
            CmbTypeOfRefueling.ItemsSource = TypeOfRefueling;
        }


        private void BtnEnterDataOfCard_Click(object sender, RoutedEventArgs e)
        {
            AddDataOfCardWindow addDataOfCardWindow = new AddDataOfCardWindow();
            addDataOfCardWindow.ShowDialog();
        }


        private void BtnPayment_Click(object sender, RoutedEventArgs e)
        {

        }

        
        private void CmbTypeOfRefueling_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (CmbTypeOfRefueling.SelectedIndex == 0)
            {
                TbAmount.Visibility = Visibility.Visible;
                TxtAmount.Visibility = Visibility.Hidden;
                TbCost.Visibility = Visibility.Hidden;
                TxtCost.Visibility = Visibility.Visible;
            }
            if (CmbTypeOfRefueling.SelectedIndex == 1)
            {
                TbAmount.Visibility = Visibility.Hidden;
                TxtAmount.Visibility = Visibility.Visible;

                TbCost.Visibility = Visibility.Visible;
                TxtCost.Visibility = Visibility.Hidden;
            }
        }

        private void TbAmount_TextChanged(object sender, TextChangedEventArgs e)
        {
            if (TbAmount.Text.Length == 0)
            {
                TxtErroreMessage.Visibility = Visibility.Hidden;
                TxtCost.Text = string.Empty;
                return;
            }
            if (TbAmount.Text.All(char.IsDigit) == true)
            {
                TxtErroreMessage.Visibility = Visibility.Hidden;
                var CurrentFuel = CmbTypeOfFuel.SelectedItem as FuelInCurrentGasStation;
                double cost = Convert.ToInt32(TbAmount.Text) * CurrentFuel.Price;
                TxtCost.Text = cost.ToString("F2") + " руб.";
            }
            else
            {
                TxtErroreMessage.Text = "Не корректное количество!";
                TxtErroreMessage.Visibility = Visibility.Visible;
            }

        }

        private void TbCost_TextChanged(object sender, TextChangedEventArgs e)
        {
            if (TbCost.Text.Length == 0)
            {
                TxtErroreMessage.Visibility = Visibility.Hidden;
                TxtAmount.Text = string.Empty;
                return;
            }
            if (TbCost.Text.All(char.IsDigit) == true)
            {
                TxtErroreMessage.Visibility = Visibility.Hidden;
                var CurrentFuel = CmbTypeOfFuel.SelectedItem as FuelInCurrentGasStation;
                double Amount = Convert.ToDouble(TbCost.Text) / CurrentFuel.Price;
                TxtAmount.Text = Amount.ToString("F2") + " л.";
            }
            else
            {
                TxtErroreMessage.Text = "Не корректная сумма!";
                TxtErroreMessage.Visibility = Visibility.Visible;
            }
        }

        private void CmbTypeOfPayment_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (CmbTypeOfPayment.SelectedValue.ToString() == "Банковской картой")
            {
                BtnEnterDataOfCard.Visibility = Visibility.Visible;
            }
            else
            {
                BtnEnterDataOfCard.Visibility = Visibility.Hidden;
            }

        }

        private void CmbTypeOfFuel_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            TxtAmount.Text = "";
            TbAmount.Text = "";
            TxtCost.Text = "";
            TbCost.Text = "";
        }
    }
}