using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Windows.Controls;
using System.Windows.Input;
using Comal.Classes;
using InABox.Configuration;
using InABox.Core;

namespace PRSDesktop
{
    /// <summary>
    ///     Interaction logic for InstallationPanel.xaml
    /// </summary>
    public partial class DeliveredOnSitePanel : UserControl, IPanel<DeliveryItem>
    {
        private bool _changing = false;
        private string _search = "";

        public DeliveredOnSiteSettings _settings;

        public DeliveredOnSitePanel()
        {
            InitializeComponent();
        }

        public bool IsReady { get; set; }


        public Dictionary<string, object[]> Selected()
        {
            return new Dictionary<string, object[]> { { typeof(DeliveryItem).EntityName(), Items.SelectedRows } };
        }

        public void Setup()
        {
            LoadSettings();
            Items.Refresh(true, false);
        }

        public void Shutdown()
        {
        }

        public void CreateToolbarButtons(IPanelHost host)
        {
            //host.CreateToolbarButton(new PanelAction() { Caption = "Design Report", OnExecute = DesignReport, Image = PRSDesktop.Resources.edit });
            //host.CreateToolbarButton(new PanelAction() { Caption = "View Report", OnExecute = ViewReport, Image = PRSDesktop.Resources.refresh });
        }


        public void Refresh()
        {
            Items.StartDate = StartPicker.SelectedDate.Value;
            Items.EndDate = EndPicker.SelectedDate.Value;
            Items.Search = Search.Text;
            Items.Refresh(false, true);
        }

        public string SectionName => "Delivered On Site";

        public DataModel DataModel(Selection selection)
        {
            var ids = Items.ExtractValues(x => x.ID, selection).ToArray();
            return new DeliveryItemDataModel(new Filter<DeliveryItem>(x => x.ID).InList(ids));
        }

        public event DataModelUpdateEvent OnUpdateDataModel;

        public void Heartbeat(TimeSpan time)
        {
        }

        private void LoadSettings()
        {
            _settings = new UserConfiguration<DeliveredOnSiteSettings>().Load();
            StartPicker.SelectedDate = _settings.StartDate;
            EndPicker.SelectedDate = _settings.EndDate;
            View.SelectedIndex = _settings.View;
            UpdateStartFinishDates();
        }

        private void SaveSettings()
        {
            if (IsReady)
            {
                _settings.View = View.SelectedIndex;
                _settings.StartDate = StartPicker.SelectedDate.Value;
                _settings.EndDate = EndPicker.SelectedDate.Value;
                new UserConfiguration<DeliveredOnSiteSettings>().Save(_settings);
            }
        }

        private Filter<DeliveryItem> SearchFilter(Expression<Func<DeliveryItem, object>> expression)
        {
            Filter<DeliveryItem> result = null;
            var comps = _search.Trim().Split(' ');
            foreach (var comp in comps)
                result = result == null ? new Filter<DeliveryItem>(expression).Contains(comp) : result.And(expression).Contains(comp);
            return result;
        }

        private void Items_OnReload(object sender, Filters<DeliveryItem> criteria, Columns<DeliveryItem> columns, ref SortOrder<DeliveryItem> sortby)
        {
        }

        public Type DataType()
        {
            return typeof(DeliveryItem);
        }


        private void UpdateStartEndPicker(DateTime start, DateTime end)
        {
            if (StartPicker == null || EndPicker == null)
                return;

            StartPicker.IsEnabled = false;
            EndPicker.IsEnabled = false;
            StartPicker.SelectedDate = start;
            EndPicker.SelectedDate = end;
        }

        private void ViewStyle_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            UpdateStartFinishDates();
        }

        private void UpdateStartFinishDates()
        {
            if (View.SelectedIndex == 0)
            {
                UpdateStartEndPicker(DateTime.Today, DateTime.Today);
            }
            else if (View.SelectedIndex == 1)
            {
                UpdateStartEndPicker(DateTime.Today.AddDays(0 - 1), DateTime.Today.AddDays(0 - 1));
            }
            else if (View.SelectedIndex == 2)
            {
                UpdateStartEndPicker(DateTime.Today.AddDays(0 - (double)DateTime.Today.DayOfWeek).AddDays(1),
                    DateTime.Today.AddDays(0 - (double)DateTime.Today.DayOfWeek).AddDays(7));
            }
            else if (View.SelectedIndex == 3)
            {
                UpdateStartEndPicker(DateTime.Today.AddDays(0 - (double)DateTime.Today.DayOfWeek).AddDays(0 - 6),
                    DateTime.Today.AddDays(0 - (double)DateTime.Today.DayOfWeek));
            }
            else if (View.SelectedIndex == 4)
            {
                UpdateStartEndPicker(new DateTime(DateTime.Today.Year, DateTime.Today.Month, 1),
                    new DateTime(DateTime.Today.Year, DateTime.Today.Month, 1).AddMonths(1).AddDays(0 - 1));
            }
            else if (View.SelectedIndex == 5)
            {
                UpdateStartEndPicker(new DateTime(DateTime.Today.Year, DateTime.Today.Month, 1).AddMonths(0 - 1),
                    new DateTime(DateTime.Today.Year, DateTime.Today.Month, 1).AddDays(0 - 1));
            }
            else if (View.SelectedIndex == 6)
            {
                UpdateStartEndPicker(new DateTime(DateTime.Today.Year, 1, 1), new DateTime(DateTime.Today.Year, 1, 1).AddYears(1).AddDays(0 - 1));
            }
            else if (View.SelectedIndex == 7)
            {
                UpdateStartEndPicker(new DateTime(DateTime.Today.Year, 1, 1).AddYears(0 - 1), new DateTime(DateTime.Today.Year, 1, 1).AddDays(0 - 1));
            }
            else
            {
                StartPicker.IsEnabled = true;
                EndPicker.IsEnabled = true;
            }

            if (!IsReady)
                return;
            SaveSettings();
            Refresh();
        }

        private void SelectedDateChanged(object sender, SelectionChangedEventArgs e)
        {
            if (!StartPicker.IsEnabled || !EndPicker.IsEnabled || !IsReady)
                return;
            SaveSettings();
            Refresh();
        }


        private void Search_KeyUp(object sender, KeyEventArgs e)
        {
            if (string.IsNullOrWhiteSpace(Search.Text) || e.Key == Key.Return)
            {
                _search = Search.Text;
                Refresh();
            }
        }
    }
}