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

namespace PRSDesktop
{
    /// <summary>
    ///     Interaction logic for TimesheetPanel.xaml
    /// </summary>
    public partial class TimesheetPanel : UserControl, IPanel<TimeSheet>
    {
        public TimeSheetSettings _settings;

        public TimesheetPanel()
        {
            InitializeComponent();
        }

        public event DataModelUpdateEvent OnUpdateDataModel;

        public bool IsReady { get; set; }

        public void Setup()
        {
            LoadSettings();

            TimeSheets.Refresh(true, false);
        }

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

        public void Shutdown()
        {
        }

        public void CreateToolbarButtons(IPanelHost host)
        {
            //host.CreateToolbarButton(new PanelAction() { Caption = "Process", Image = PRSDesktop.Resources.doc_xls, OnExecute = ProcessTimesheets });
        }

        public string SectionName => "Timesheets";

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

        public void Refresh()
        {
            TimeSheets.StartDate = StartPicker.SelectedDate.Value;

            if (FutureTimes.IsChecked == true)
                TimeSheets.EndDate = EndPicker.SelectedDate.Value;
            else
                TimeSheets.EndDate = EndPicker.SelectedDate.Value > DateTime.Today ? DateTime.Today : EndPicker.SelectedDate.Value;

            TimeSheets.Search = Search.Text;

            TimeSheets.ApprovedOnly = ApprovedTimes.IsChecked == true;

            TimeSheets.Refresh(false, true);
        }

        public void Heartbeat(TimeSpan time)
        {
        }

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

        private void SaveSettings()
        {
            if (IsReady)
            {
                _settings.View = View.SelectedIndex;
                _settings.StartDate = StartPicker.SelectedDate.HasValue ? StartPicker.SelectedDate.Value : DateTime.Today;
                _settings.EndDate = EndPicker.SelectedDate.HasValue ? EndPicker.SelectedDate.Value : DateTime.Today;
                _settings.FutureTimes = FutureTimes.IsChecked == true;
                _settings.ApprovedOnly = ApprovedTimes.IsChecked == true;
                new UserConfiguration<TimeSheetSettings>().Save(_settings);
            }
        }
        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 View_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 (e.Key == Key.Enter || e.Key == Key.Return)
                Refresh();
        }

        private void FutureTimes_Checked(object sender, RoutedEventArgs e)
        {
            if (!IsReady)
                return;
            SaveSettings();
            Refresh();
        }

        private void ApprovedTimes_Checked(object sender, RoutedEventArgs e)
        {
            if (!IsReady)
                return;
            SaveSettings();
            Refresh();
        }
    }
}