using System;
using System.Collections.Generic;
using System.Linq;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Navigation;
using HospitalServerManager.InterfacesAndEnums;
using HospitalServerManager.ViewModel;

//Szablon elementu Pusta strona jest udokumentowany na stronie https://go.microsoft.com/fwlink/?LinkId=234238

namespace HospitalServerManager.View
{
    /// <summary>
    /// Pusta strona, która może być używana samodzielnie lub do której można nawigować wewnątrz ramki.
    /// </summary>
    public sealed partial class PatientsPage : Page , IPageNavigateable
    {
        //public ObservableCollection<ISqlTableModelable> ModelCollection { get => RosterViewModel.ModelsCollection; }
        private ViewModel.Controllers.DatabaseReader databaseReader;
        public PatientsPage()
        {
            this.InitializeComponent();
        }

		private async void NewRecord()
		{
			Dictionary<int, string> typesOfColumnDictionary = (Dictionary<int,string>) RosterViewModel.ColumnTypes;
			NewRecordDialog createDialog = new NewRecordDialog(RosterViewModel.ColumnNames, typesOfColumnDictionary,
				RosterViewModel.EnumTypes);
			createDialog.Width = Window.Current.Bounds.Width;
			createDialog.Height = Window.Current.Bounds.Height;
			ContentDialogResult dialogResult = await createDialog.ShowAsync();
			if (dialogResult == ContentDialogResult.Primary && createDialog.ValuesOfNewObject.Any())
			{
				List<string> valuesList = createDialog.ValuesOfNewObject;
				await RosterViewModel.CreateRecordAsync("Pacjenci", valuesList);
			}
		}
		private async void EditRecord()
		{
			PatientViewModel patient = databaseView.SelectedItem as PatientViewModel;
			string textToTitle = "Edytowany pacjent: " + patient.Name + " " + patient.Surname;
			EditRecordDialog dialog = new EditRecordDialog(RosterViewModel.ColumnNames, RosterViewModel.ColumnTypes, textToTitle,
				RosterViewModel.EnumTypes);
			ContentDialogResult dialogResult = await dialog.ShowAsync();
			if (dialogResult == ContentDialogResult.Primary && !string.IsNullOrEmpty(dialog.Result))
			{
				string result = dialog.Result;
				string fieldToEdit = dialog.FieldToUpdate;
				await RosterViewModel.UpdateRecordAsync("Pacjenci", patient, fieldToEdit, result);
			}
		}
		public void Sort(string orderBy, string criterium)
		{
			RosterViewModel.Sort(typeof(PatientViewModel), "Pacjenci", orderBy, criterium);
		}
		public void Search(string orderBy, string criterium, string searchIn, string searchValue)
		{
			RosterViewModel.Search(typeof(PatientViewModel), "Pacjenci", orderBy, criterium, searchIn, searchValue);
		}
		#region Events

		private void SortComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
			string criterium;
			if ((bool)radioBtn1.IsChecked)
				criterium = "asc";
			else
				criterium = "desc";
			Sort(sortComboBox.SelectedItem.ToString(), criterium);
		}

        private void RadionBtn_Click(object sender, RoutedEventArgs e)
        {
			string criterium;
			if ((bool)radioBtn1.IsChecked)
				criterium = "asc";
			else
				criterium = "desc";
			Sort(sortComboBox.SelectedItem.ToString(), criterium);
		}

        private void SearchButton_Click(object sender, RoutedEventArgs e)
        {
			if (searchBox.Text == string.Empty)
				return;
			string criterium;
			if ((bool)radioBtn1.IsChecked)
				criterium = "asc";
			else
				criterium = "desc";
			string searchIn = lookInComboBox.SelectedItem.ToString();
			string searchedExpression = searchBox.Text;
			Search(sortComboBox.SelectedItem.ToString(), criterium, searchIn, searchedExpression);
        }

        private async void ResetButton_Click(object sender, RoutedEventArgs e)
        {
			await RosterViewModel.ReadAsync(typeof(PatientViewModel), "Pacjenci");
		}

        private async void DeleteButton_Click(object sender, RoutedEventArgs e)
        {
			if (databaseView.SelectedItem != null)
			{
				var patient = databaseView.SelectedItem as IPrimaryKeyGetable;
				await RosterViewModel.DeleteRecordAsync("Pacjenci", patient);
			}
		}

        private void EditButton_Click(object sender, RoutedEventArgs e)
        {
			if (databaseView.SelectedItem != null)
				EditRecord();
		}

        private void NewRecordButton_Click(object sender, RoutedEventArgs e)
        {
			NewRecord();
        }
        #endregion

        protected async override void OnNavigatedTo(NavigationEventArgs e)
        {
			//await RosterViewModel.Read(typeof(PatientViewModel), "Pacjenci");
			await RosterViewModel.InitializeViewModelsAsync("Pacjenci");
			databaseView.ItemsSource = RosterViewModel.ModelsCollection;
			lookInComboBox.ItemsSource = sortComboBox.ItemsSource = RosterViewModel.ColumnNames;
			lookInComboBox.SelectedIndex = sortComboBox.SelectedIndex = 0;
		}

        private async void Page_Loaded(object sender, RoutedEventArgs e)
        {
            /*databaseView.ItemsSource = RosterViewModel.ModelsCollection;
			lookInComboBox.ItemsSource = sortComboBox.ItemsSource = RosterViewModel.ColumnNames;
			lookInComboBox.SelectedIndex = sortComboBox.SelectedIndex = 0;*/
        }

		public void UnloadPage()
		{
			;
		}

		private void SendEmailToSelected_Click(object sender, RoutedEventArgs e)
		{
			RosterViewModel.SendEmailAsync(databaseView.SelectedItem as PatientViewModel);
		}
	}
}