using Practics.Model;
using Practics.Views;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
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.Shapes;

namespace Practics
{
    /// <summary>
    /// Interaction logic for AdminTicketWindow.xaml
    /// </summary>
    public partial class AdminTicketWindow : Window
    {
        Model.Model model = Model.Model.ModelInstance;

        User User { get; set; }
        public AdminTicketWindow(User user)
        {
            InitializeComponent();
            User = user;
        }
        

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            dgTickets.ItemsSource = model.DataTableProblems.DefaultView;            
            dgcbcStatus.ItemsSource = model.DataTableStatuses.DefaultView;
            dgcbcStatus.DisplayMemberPath = "name";
            dgcbcStatus.SelectedValuePath = "Id";

            dgcbcProblemType.ItemsSource = model.DataTableProblemTypes.DefaultView;
            dgcbcProblemType.DisplayMemberPath = "NameProblemType";
            dgcbcProblemType.SelectedValuePath = "ID";



            cbProblemStatus.ItemsSource = model.DataTableStatuses.DefaultView;
            cbProblemStatus.DisplayMemberPath = "name";
            cbProblemStatus.SelectedValuePath = "Id";

            cbProblemType.ItemsSource = model.DataTableProblemTypes.DefaultView;
            cbProblemType.DisplayMemberPath = "NameProblemType";
            cbProblemType.SelectedValuePath = "ID";
            //tbProblemDescribe.DataContext=model.DataTableProblems.DefaultView;

        }

        DataRow currentRow;
        private void dgTickets_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            /*
            if (dgTickets.SelectedItem != null)
            {
               
                DataRowView selectedRow=(DataRowView)dgTickets.SelectedItem;
                if (selectedRow.Row.ItemArray.Length>5)
                {
                    MessageBox.Show("!!!");
                }*/

            if (dgTickets.SelectedItem != null)
            {
                //DataGridRow row = (dgTickets.SelectedItem as DataGridRow);
                DataRowView selectedRow = (DataRowView)dgTickets.SelectedItem;
                if (selectedRow != null)
                {
                    //DataRow dataTableRow = selectedRow.Row;
                    currentRow = selectedRow.Row;

                }
            }
        }

        private void btnUpdateProblems_Click(object sender, RoutedEventArgs e)
        {
            model.UpdateProblems();
        }

        private void btnReadProblems_Click(object sender, RoutedEventArgs e)
        {
            model.RefillProblems();
        }

        private void btnProcessWindow_Click(object sender, RoutedEventArgs e)
        {
            if (currentRow != null)
            {
                TicketProcessing ticketProcessing = new TicketProcessing(currentRow,User);
                ticketProcessing.ShowDialog();
            }
            
        }

        private void btnExit_Click(object sender, RoutedEventArgs e)
        {
            MainWindow mainWindow = new MainWindow();
            mainWindow.Show();
            this.Close();
        }

        private void btnShowNotesWindow_Click(object sender, RoutedEventArgs e)
        {
            KnowledgeWindow knowledgeWindow= new KnowledgeWindow(User);
            knowledgeWindow.ShowDialog();
            
        }

        //Для отчета в виде PDF. Просто распечатывает элемент dgTickets, что не очень хорошо
        /*
        private void btnReport_Click(object sender, RoutedEventArgs e)
        {
            //Model.Model.ExportDataTableToCSV(model.DataTableProblems, "report.csv");
            
            PrintDialog printDialog = new PrintDialog();
            DataGridColumn hideColumn = dgTickets.Columns.Where(c => c.Header.ToString() == "Обработать").FirstOrDefault();

            
            hideColumn.Visibility = Visibility.Collapsed;

            // Если пользователь подтвердил печать
            if (printDialog.ShowDialog() == true)
            {
                // Получение объекта VisualBrush, представляющего DataGrid
                VisualBrush visualBrush = new VisualBrush(dgTickets);

                // Создание объекта DrawingVisual для печати
                DrawingVisual drawingVisual = new DrawingVisual();
                using (DrawingContext drawingContext = drawingVisual.RenderOpen())
                {
                    // Отображение DataGrid в контексте рисования
                    drawingContext.DrawRectangle(visualBrush, null, new Rect(0, 0, dgTickets.ActualWidth, dgTickets.ActualHeight));
                }

                // Печать DrawingVisual
                printDialog.PrintVisual(drawingVisual, "Report");
            }
            hideColumn.Visibility = Visibility.Visible;
        }          
        */
        private void btnReport_Click(object sender, RoutedEventArgs e)
        {
            string result;
            Model.Model.ExportDataTableToCSV(model.DataTableProblems, "report.csv", out result);
            MessageBox.Show(result);
            
        
        }

        private void btnFilter_Click(object sender, RoutedEventArgs e)
        {
            if (dtpStartPeriod.Value==null)
            {
                dtpStartPeriod.Value = new DateTime(1900,1,1);
            }
            if (dtpFinishPeriod.Value==null)
            {
                dtpFinishPeriod.Value = new DateTime(9999,12,31);
            }
            model.InitDataAdapterProblemsByFilter(dtpStartPeriod.Value, dtpFinishPeriod.Value, cbProblemStatus.SelectedValue==null?-1:(int)cbProblemStatus.SelectedValue, cbProblemType.SelectedValue==null?-1:(int)cbProblemType.SelectedValue);
            dgTickets.ItemsSource = null;
            dgTickets.ItemsSource = model.DataTableProblems.DefaultView;
        }
    }
}