UP01-Task2/UP01Task2App/UP01Task2App/Windows/ClientWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.Text;
using System.Text.Json;
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.Shapes;
using UP01Task2App.Models;
using UP01Task2App.Services;

namespace UP01Task2App.Windows
{
    /// <summary>
    /// Логика взаимодействия для ClientWindow.xaml
    /// </summary>
    public partial class ClientWindow : Window
    {
        private JsonService Json = new();
        public List<Client> ClientsList = new();
        public List<Trainer> TrainersList = new();
        public List<Record> RecordsList = new();

        public ObservableCollection<Client> ClientsUI { get; set; } = new();
        public ClientWindow()
        {
            InitializeComponent();

            ClientsList = Json.ReadClientDataFromJson();
            TrainersList = Json.ReadTrainerDataFromJson();
            RecordsList = Json.ReadRecordDataFromJson();

            UpdateClientUI();

            this.DataContext = this;
        }

        private void UpdateClientUI()
        {
            ClientsUI.Clear();
            foreach (var item in ClientsList)
            {
                ClientsUI.Add(item);
            }
        }

        private bool ValidateFields()
        {
            try
            {
                ValidationHelper.ValidateNotNullTextBox(SurnameTextBox, "Фамилия");
                ValidationHelper.ValidateCorrectlyFullName(SurnameTextBox, "Фамилия");
                ValidationHelper.ValidateNotNullTextBox(NameTextBox, "Имя");
                ValidationHelper.ValidateCorrectlyFullName(NameTextBox, "Имя");
                ValidationHelper.ValidateNotNullTextBox(PatronymicTextBox, "Отчество");
                ValidationHelper.ValidateCorrectlyFullName(PatronymicTextBox, "Отчество");
                ValidationHelper.ValidateNotNullDatePicker(BirthDateDatePicker, "Дата рождения");
                ValidationHelper.ValidateDateNotInFutureTextBox(BirthDateDatePicker, "Дата рождения");
                ValidationHelper.CheckBirthdate(BirthDateDatePicker);
                ValidationHelper.ValidateNotNullTextBox(AdressTextBox, "Фактический адрес");
                ValidationHelper.ValidateNotNullTextBox(PhoneNumberTextBox, "Телефон");
                ValidationHelper.ValidateNumTextBox(PhoneNumberTextBox, "Телефон");
                ValidationHelper.ValidatePhoneNumber(PhoneNumberTextBox, "Телефон");
                ValidationHelper.ValidateNotNullTextBox(SubscriptionMumberTextBox, "Номер абонемента");
                ValidationHelper.ValidateNumTextBox(SubscriptionMumberTextBox, "Номер абонемента");
                ValidationHelper.ValidateIntRangeTextBox(SubscriptionMumberTextBox, "Номер абонемента");
                ValidationHelper.ValidateEightDigitLenght(SubscriptionMumberTextBox, "Номер абонемента");

                if (rbMan.IsChecked != true && rbWoman.IsChecked != true)
                {
                    throw new ArgumentException("Выберите пол");
                }

                return true;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                return false;
            }
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            if (ValidateFields())
            {
                int subscriptionNumber = int.Parse(SubscriptionMumberTextBox.Text);

                bool exists = ClientsList.Any(c =>
                    c.SubscriptionNumber == subscriptionNumber
                );

                if (!exists)
                {
                    string gender = "";
                    if (rbMan.IsChecked == true)
                        gender = "М";
                    else
                        gender = "Ж";

                    ClientsList.Add(new Client
                    {
                        Surname = SurnameTextBox.Text,
                        Name = NameTextBox.Text,
                        Adress = AdressTextBox.Text,
                        BirthDate = BirthDateDatePicker.SelectedDate,
                        Patronymic = PatronymicTextBox.Text,
                        PhoneNumber = PhoneNumberTextBox.Text,
                        SubscriptionNumber = int.Parse(SubscriptionMumberTextBox.Text),
                        Gender = gender

                    });

                    try
                    {
                        Json.SaveClientDataToJson(ClientsList);
                        MessageBox.Show("Данные сохранены");
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(ex.Message);
                    }

                    UpdateClientUI();
                }
                else
                {
                    MessageBox.Show("Клиент с таким абонементом уже существует");
                }
            }
        }

        private void ListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            try
            {
                if (ClientsUI[ClientsListBox.SelectedIndex] == null)
                    return;

                var client = ClientsUI[ClientsListBox.SelectedIndex];

                if (client != null)
                {
                    SurnameTextBox.Text = client.Surname;
                    NameTextBox.Text = client.Name;
                    PatronymicTextBox.Text = client.Patronymic;
                    BirthDateDatePicker.SelectedDate = client.BirthDate;
                    AdressTextBox.Text = client.Adress;
                    PhoneNumberTextBox.Text = client.PhoneNumber;
                    SubscriptionMumberTextBox.Text = client.SubscriptionNumber.ToString();

                    if (client.Gender == "М")
                    {
                        rbMan.IsChecked = true;
                    }
                    else
                    {
                        rbWoman.IsChecked = true;
                    }
                }
            }
            catch { }
        }

        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            try
            {
                if (ClientsListBox.SelectedIndex == -1)
                {
                    MessageBox.Show("Выберите клиента перед изменением");
                    return;
                }

                ValidationHelper.ValidateNotNullTextBox(AdressTextBox, "Фактический адрес");
                ValidationHelper.ValidateNotNullTextBox(PhoneNumberTextBox, "Телефон");
                ValidationHelper.ValidateNumTextBox(PhoneNumberTextBox, "Телефон");
                ValidationHelper.ValidatePhoneNumber(PhoneNumberTextBox, "Телефон");

                ClientsList[ClientsListBox.SelectedIndex].PhoneNumber = PhoneNumberTextBox.Text;
                ClientsList[ClientsListBox.SelectedIndex].Adress = AdressTextBox.Text;

                try
                {
                    Json.SaveClientDataToJson(ClientsList);
                    MessageBox.Show("Данные сохранены");

                    UpdateClientUI();
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                return;
            }
        }

        private void Button_Click_2(object sender, RoutedEventArgs e)
        {
            if (ClientsListBox.SelectedIndex != -1)
            {
                AppointmentWindow wnd = new(TrainersList, (Client)ClientsListBox.SelectedValue);
                bool? res = wnd.ShowDialog();

                if (res == true)
                {
                    var record = wnd.OutputRecord;
                    RecordsList.Add(record);

                    try
                    {
                        Json.SaveRecordDataToJson(RecordsList);
                        MessageBox.Show("Запись успешно добавлена");
                    }
                    catch
                    {
                        MessageBox.Show("Не удалось добавить запись");
                    }
                }
            }
            else
                MessageBox.Show("Выберите клиента перед записью");
            
        }

        private void Button_Click_3(object sender, RoutedEventArgs e)
        {
            if (ClientsListBox.SelectedIndex != -1)
            {
                ClientAppointmentList wnd = new(RecordsList, (Client)ClientsListBox.SelectedValue);
                bool? res = wnd.ShowDialog();

                if (res == true)
                {
                    try
                    {
                        RecordsList.Remove(wnd.RecordForDelete);
                        Json.SaveRecordDataToJson(RecordsList);

                        MessageBox.Show("Запись успешно удалена");
                    }
                    catch
                    {
                        MessageBox.Show("Не удалось сохранить данные");
                    }
                }
            }
            else
                MessageBox.Show("Выберите клиента перед просмотром");
        }
    }
}