using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Runtime.CompilerServices;
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 PEP_Tool
{
    /// <summary>
    /// Interaktionslogik für KTOverview.xaml
    /// </summary>
    public partial class KTOverview : Window
    {
        public System.Data.DataTable Overview { get; private set; } = new System.Data.DataTable("Overview");
        public static KTOverview KTO;

        public KTOverview()
        {
            KTO = this;

            InitializeComponent();



            var abtFilterList = MainWindow.main.AbteilungsNamen.Select(p => p.Value.Item2).Distinct().ToList();
            //abtFilterList.Insert(0, "");
            abtFilterList.Sort();
            cBFilterAbteilung.ItemsSource = abtFilterList;

            dGView.DataContext = Overview;

            SQL.ReadSQL($"SELECT Abteilung,AnzahlMA,ZugName,Start,Ende,Zustand,Grund,AddedOn FROM pep_tool.schaltung s", Overview);

            System.Data.DataTable dt = SQL.ReadSQL($"SELECT Min(str_to_date(Datum, '%Y-%m-%d')), max(str_to_date(Datum, '%Y-%m-%d')) from pep_tool.schaltung").Result;

            dPDate.DisplayDateStart = Convert.ToDateTime(dt.Rows[0].ItemArray[0].ToString());
            dPDate.DisplayDateEnd = Convert.ToDateTime(dt.Rows[0].ItemArray[1].ToString());

            SortList();
        }

        private async void cBFilterAbteilung_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            System.Diagnostics.Debug.WriteLine(cBFilterAbteilung.SelectedItem);

            if (dPDate.SelectedDate == null && (cBFilterAbteilung.SelectedItem == "" || cBFilterAbteilung.SelectedItem == null))
                await SQL.ReadSQL($"SELECT Abteilung,AnzahlMA,ZugName,Start,Ende,Zustand,Grund,AddedOn FROM pep_tool.schaltung s", Overview);
            else if(dPDate.SelectedDate == null)
                await SQL.ReadSQL($"SELECT Abteilung,AnzahlMA,ZugName,Start,Ende,Zustand,Grund,AddedOn FROM pep_tool.schaltung s WHERE Abteilung = '{cBFilterAbteilung.SelectedItem}'", Overview);
            else
                await SQL.ReadSQL($"SELECT Abteilung,AnzahlMA,ZugName,Start,Ende,Zustand,Grund,AddedOn FROM pep_tool.schaltung s WHERE Abteilung = '{cBFilterAbteilung.SelectedItem}' AND Datum = '{Convert.ToDateTime(dPDate.SelectedDate).ToString("yyyy-MM-dd")}'", Overview);

            SortList();
        }

        private async void DPDate_SelectedDateChanged(object sender, SelectionChangedEventArgs e)
        {
            if (dPDate.SelectedDate == null && (cBFilterAbteilung.SelectedItem == "" || cBFilterAbteilung.SelectedItem == null))
                await SQL.ReadSQL($"SELECT Abteilung,AnzahlMA,ZugName,Start,Ende,Zustand,Grund FROM pep_tool.schaltung s", Overview);
            else
            {
                if (cBFilterAbteilung.SelectedItem != "" && cBFilterAbteilung.SelectedItem != null)
                    await SQL.ReadSQL($"SELECT Abteilung,AnzahlMA,ZugName,Start,Ende,Zustand,Grund,AddedOn FROM pep_tool.schaltung s WHERE Datum = '{Convert.ToDateTime(dPDate.SelectedDate).ToString("yyyy-MM-dd")}' AND Abteilung = '{cBFilterAbteilung.SelectedItem}'", Overview);
                else
                    await SQL.ReadSQL($"SELECT Abteilung,AnzahlMA,ZugName,Start,Ende,Zustand,Grund,AddedOn FROM pep_tool.schaltung s WHERE Datum = '{Convert.ToDateTime(dPDate.SelectedDate).ToString("yyyy-MM-dd")}'", Overview);

            }

            SortList();
        }

        private void BtnDatePlus_Click(object sender, RoutedEventArgs e)
        {
            if (dPDate.SelectedDate < dPDate.DisplayDateEnd)
                dPDate.SelectedDate = dPDate.SelectedDate + TimeSpan.FromDays(1);
        }

        private void BtnDateMinus_Click(object sender, RoutedEventArgs e)
        {
            if (dPDate.SelectedDate > dPDate.DisplayDateStart)
                dPDate.SelectedDate = dPDate.SelectedDate - TimeSpan.FromDays(1);
        }

        private void BtnDateAll_Click(object sender, RoutedEventArgs e)
        {
            dPDate.SelectedDate = null;
        }

        private void BtnToday_Click(object sender, RoutedEventArgs e)
        {
            dPDate.SelectedDate = DateTime.Now.Date;
        }

        private void BtnOK_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }



        public async void refreshDGView()
        {
            if (dPDate.SelectedDate == null && (cBFilterAbteilung.SelectedItem == "" || cBFilterAbteilung.SelectedItem == null))
                await SQL.ReadSQL($"SELECT Abteilung,AnzahlMA,ZugName,Start,Ende,Zustand,Grund,AddedOn FROM pep_tool.schaltung s", Overview);
            else if (dPDate.SelectedDate == null)
                await SQL.ReadSQL($"SELECT Abteilung,AnzahlMA,ZugName,Start,Ende,Zustand,Grund,AddedOn FROM pep_tool.schaltung s WHERE Abteilung = '{cBFilterAbteilung.SelectedItem}'", Overview);
            else
                await SQL.ReadSQL($"SELECT Abteilung,AnzahlMA,ZugName,Start,Ende,Zustand,Grund,AddedOn FROM pep_tool.schaltung s WHERE Abteilung = '{cBFilterAbteilung.SelectedItem}' AND Datum = '{Convert.ToDateTime(dPDate.SelectedDate).ToString("yyyy-MM-dd")}'", Overview);

            lblLastRefresh.Text = DateTime.Now.ToString();

            SortList();
        }

        private void SortList()
        {
            dGView.Items.SortDescriptions.Clear();
            dGView.Items.SortDescriptions.Add(new SortDescription("AddedOn", ListSortDirection.Descending));
            dGView.Items.Refresh();
        }
    }
}