using school.FolderClasses;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
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.Shapes;

namespace school
{
    /// <summary>
    /// Логика взаимодействия для winWriteService.xaml
    /// </summary>
    public partial class winWriteService : Window
    {
        Service thisService;
        public winWriteService(int idServise)
        {
            thisService = baseConnect.thisBase.Service.Where(tb => tb.ID == idServise).FirstOrDefault();
            InitializeComponent();
            init();
        }
        private void init()
        {
            List<ClientService> list = baseConnect.thisBase.ClientService.Where(tb => tb.ServiceID == thisService.ID).OrderBy(tb => tb.Client.LastName).ThenBy(tb => tb.Client.FirstName).ThenBy(tb => tb.Client.Patronymic).ToList();
            if (list.Count > 0)
            {
                DGClientService.ItemsSource = list;
                TBnoWrites.Visibility = Visibility.Collapsed;
            }
            else
            {
                DGClientService.Visibility = Visibility.Collapsed;
                TBnoWrites.Visibility = Visibility.Visible;
            }
            TBName.Text = thisService.Title;
            string line = (thisService.Description == null || thisService.Description == "") ? "Описание отсутствует" : thisService.Description.ToString();
            TBDescription.Text = line;
            TBTime.Text = (thisService.DurationInSeconds / 60).ToString() + " мин.";
            TBOldPrice.Visibility = thisService.discountVisible;
            TBOldPrice.Text = thisService.oldPrice;
            TBPrice.Text = Convert.ToInt32(thisService.Cost) + " рублей";
            if (dataAdminRoot.adminRoot == ("0000").GetHashCode())
            {
                TBHeader.Text = "Просмотр услуги";
                BtnWrite.Content = "Проверить";
            }
            else
            {
                GInfo.Visibility = Visibility.Collapsed;
            }
        }
        private bool check()
        {
            try
            {
                bool flag = true;
                string mess = "";
                Regex reg_time = new Regex("^[0-2][0-9]:[0-6][0-9]$");
                if (!reg_time.IsMatch(TBTimeServ.Text))//проверка корректности времени
                {
                    flag = false;
                    mess += "Формат введенного времени не совпадает\n";
                }
                if (DPDate.SelectedDate <= DateTime.Today)//проверка даты на корректность
                {
                    flag = false;
                    mess += "Выбранная дата не подходит для записи, выберите дату, например, завтра или позднее";
                }

                if (flag)
                {
                    List<ClientService> list = baseConnect.thisBase.ClientService.Where(tb => tb.ServiceID == thisService.ID).ToList();//все записи на услугу
                    DateTime thisTime = (DateTime)DPDate.SelectedDate;//начало услуги
                    thisTime = thisTime.AddHours(Convert.ToDouble(TBTimeServ.Text.Split(':')[0])).AddMinutes(Convert.ToDouble(TBTimeServ.Text.Split(':')[1]));
                    DateTime endThisTime = thisTime.AddHours(thisService.DurationInSeconds / 3600).AddMinutes(thisService.DurationInSeconds %3600);//конец услуги
                    foreach (ClientService service in list)//проверка на время
                    {
                        DateTime start = service.StartTime;
                        DateTime end = service.StartTime.AddHours(thisService.DurationInSeconds / 3600).AddMinutes(thisService.DurationInSeconds % 3600);
                        if (start == thisTime || thisTime == end || (thisTime < start && endThisTime > start) || (end > thisTime && start < thisTime))
                            flag = false;
                    }
                    if (!flag) mess += "Выбранное время недоступно";
                }

                if (mess != "") MessageBox.Show(mess);
                return flag;
            }
            catch
            {
                MessageBox.Show("Возникли ошибки при проверке данных");
                return false;
            }
        }
        private void BtnWriteClick(object sender, RoutedEventArgs e)
        {
            if (check())
            {
                if (dataAdminRoot.adminRoot == ("0000").GetHashCode())//проверка работы
                {
                    MessageBox.Show("Запись корректна");
                }
                else
                {
                    try
                    {
                        DateTime thisTime = (DateTime)DPDate.SelectedDate;//начало услуги
                        thisTime = thisTime.AddHours(Convert.ToDouble(TBTimeServ.Text.Split(':')[0])).AddMinutes(Convert.ToDouble(TBTimeServ.Text.Split(':')[1]));

                        ClientService cs = new ClientService()
                        {
                            ClientID = dataUser.user.ID,
                            ServiceID = thisService.ID,
                            StartTime = thisTime
                        };
                        baseConnect.thisBase.ClientService.Add(cs);
                        baseConnect.thisBase.SaveChanges();
                        this.Close();
                        MessageBox.Show("Вы успешно добавлены на услугу");
                    }
                    catch
                    {
                        MessageBox.Show("Возникла ошибка");
                    }

                }
            }

        }

        private void TBTimeServTextChanged(object sender, TextChangedEventArgs e)
        {
            try
            {
                string line = TBTimeServ.Text;
                int lenght = line.Length;

                switch (lenght)
                {
                    case 0:
                        {
                            break;
                        }
                    case 1:
                        {
                            Regex n = new Regex(@"^[0-2]$");
                            if (!n.IsMatch(line))
                            {
                                line = "";
                            }
                            break;
                        }
                    case 2:
                        {
                            Regex n = new Regex(@"^[0-2][0-9]$");
                            if (!n.IsMatch(line))
                            {
                                int num = Convert.ToInt32(line);
                                if (num > 23 || num < 8) line = line.Substring(0, line.Length - 1);
                            }
                            else line += ":";
                            break;
                        }
                    case 4:
                        {
                            Regex n = new Regex(@"^[0-2][0-9]:[0-6]$");

                            if (!n.IsMatch(line))
                            {
                                int num = Convert.ToInt32(line);
                                if (num > 23 || num < 8) line = line.Substring(0, line.Length - 1);
                            }

                            break;
                        }
                    case 5:
                        {
                            Regex n = new Regex(@"^[0-2][0-9]:[0-6][0-9]$");

                            if (!n.IsMatch(line))
                            {
                                int num = Convert.ToInt32(line.Split(':')[0]);
                                int num2 = Convert.ToInt32(line.Split(':')[1]);
                                if (num > 23 || num < 8 || num2 > 60) line = line.Substring(0, line.Length - 1);
                            }
                            else
                            {
                                DateTime thisTime = (DateTime)DPDate.SelectedDate;//начало услуги
                                thisTime = thisTime.AddHours(Convert.ToDouble(TBTimeServ.Text.Split(':')[0])).AddMinutes(Convert.ToDouble(TBTimeServ.Text.Split(':')[1]));
                                DateTime endThisTime = thisTime.AddHours(thisService.DurationInSeconds / 3600).AddMinutes(thisService.DurationInSeconds % 3600);//конец услуги
                                TBEndTime.Text = "Время окончания " + endThisTime.ToString("dd MMMM yyyy  HH:mm");
                            }
                            break;
                        }
                    default:
                        {
                            line = line.Substring(0, line.Length - 1);
                            break;
                        }
                }
                if (lenght != 3) TBTimeServ.Text = line;
            }
            catch
            {
                MessageBox.Show("Ошибка ввода");
            }
        }
    }
}