using System;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using Comal.Classes;
using InABox.Core;
using PRSDesktop.Utils;
using Syncfusion.Windows.Controls.Grid;

namespace PRSDesktop
{
    public class TempateSelectedArgs : EventArgs
    {
        public FactoryTemplate Template { get; set; }
    }

    public delegate void TemplateSelectedHandler(object sender, TempateSelectedArgs e);

    /// <summary>
    ///     Interaction logic for SetoutTemplateList.xaml
    /// </summary>
    public partial class SetoutTemplateList : UserControl
    {
        private FactorySetup _settings;

        public SetoutTemplateList()
        {
            InitializeComponent();
            Templates = new PackableList<FactoryTemplate>();

            Grid.Model.ColumnCount = 5;
            Grid.Model.ColumnWidths[0] = 0;
            Grid.Model.ColumnWidths[1] = 40;
            Grid.Model.ColumnWidths[2] = 0;
            Grid.Model.ColumnWidths[3] = 100;
            Grid.Model.ColumnWidths[4] = 20;
            Grid.Model.HeaderColumns = 0;
        }

        public PackableList<FactoryTemplate> Templates { get; }

        public event TemplateSelectedHandler TemplateSelected;

        private void SelectTemplate(FactoryTemplate template)
        {
            //Null check makes sure the main page is attached to the event
            if (TemplateSelected != null)
                TemplateSelected(this, new TempateSelectedArgs { Template = template });
        }

        public void Load(FactorySetup settings)
        {
            _settings = settings;
            Templates.Clear();
            Templates.AddRange(_settings.Templates.OrderBy(x => x.Code));
            Grid.Model.RowCount = 0;
            Grid.Model.RowCount = Templates.Count + 2;
        }

        private void Grid_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            Grid.Model.ColumnWidths[2] = e.NewSize.Width - 160;
        }

        private void Grid_QueryCellInfo(object sender, GridQueryCellInfoEventArgs e)
        {
            try
            {
                var row = e.Cell.RowIndex - 1;
                var col = e.Cell.ColumnIndex;

                switch (col)
                {
                    case 0:
                        if (row == -1)
                        {
                            e.Style.CellValue = "ID";
                        }
                        else
                        {
                            e.Style.CellType = "Static";
                            e.Style.CellValue = row < Templates.Count ? Templates[row].ID : Guid.Empty;
                        }

                        e.Style.VerticalAlignment = VerticalAlignment.Center;
                        break;
                    case 1:
                        if (row == -1)
                            e.Style.CellValue = "Code";
                        else
                            e.Style.CellValue = row < Templates.Count ? Templates[row].Code : "";
                        e.Style.VerticalAlignment = VerticalAlignment.Center;
                        break;
                    case 2:
                        if (row == -1)
                            e.Style.CellValue = "Template Name";
                        else
                            e.Style.CellValue = row < Templates.Count ? Templates[row].Name : "Add new..";
                        e.Style.VerticalAlignment = VerticalAlignment.Center;
                        break;
                    case 3:
                        if (row == -1)
                        {
                            e.Style.CellValue = "Group";
                        }
                        else
                        {
                            e.Style.CellType = "ComboBox";
                            e.Style.ItemsSource = _settings.Groups.Select(x => new { ID = x.Group, Name = x.Group }).ToList();
                            e.Style.DropDownStyle = GridDropDownStyle.AutoComplete;
                            e.Style.DisplayMember = "Name";
                            e.Style.ValueMember = "ID";
                            e.Style.CellValue = row < Templates.Count ? Templates[row].Group : "Add new..";
                        }

                        e.Style.VerticalAlignment = VerticalAlignment.Center;
                        break;

                    case 4:
                        if (row < Templates.Count)
                            GridUtils.SetButtonImage(e.Style, PRSDesktop.Resources.delete, Grid.Model, col);
                        else
                            GridUtils.SetButtonImage(e.Style, null, Grid.Model, col);
                        break;
                }
            }
            catch (Exception err)
            {
                Logger.Send(LogType.Error, "", string.Format("*** Unknown Error: {0}\n{1}", err.Message, err.StackTrace));
            }
        }

        private void Grid_CommitCellInfo(object sender, GridCommitCellInfoEventArgs e)
        {
            if (e.Cell.ColumnIndex == 1 || e.Cell.ColumnIndex == 2 || e.Cell.ColumnIndex == 3)
            {
                FactoryTemplate template = null;
                if (e.Style.RowIndex > Templates.Count)
                {
                    template = new FactoryTemplate { ID = Guid.NewGuid() };
                    foreach (var section in _settings.Sections)
                        template.Stages.Add(
                            new StageTemplate
                            {
                                SectionID = section.ID,
                                Sequence = SequenceType.Link,
                                Minutes = 0,
                                QualityChecks = section.QualityChecks
                            }
                        );
                    Templates.Add(template);
                }
                else
                {
                    template = Templates[e.Style.RowIndex - 1];
                }

                if (e.Cell.ColumnIndex == 1)
                    template.Code = e.Style.CellValue.ToString();
                else if (e.Cell.ColumnIndex == 2)
                    template.Name = e.Style.CellValue.ToString();
                else if (e.Cell.ColumnIndex == 3)
                    template.Group = e.Style.CellValue.ToString();

                Grid.Model.RowCount = 0;
                Grid.Model.RowCount = Templates.Count + 2;
            }
        }

        private void Grid_CellClick(object sender, GridCellClickEventArgs e)
        {
            var row = e.RowIndex - 1;

            if (row > -1 && row < Templates.Count)
            {
                var document = Templates[row];

                if (e.ColumnIndex == 4)
                {
                    Templates.Remove(document);
                    e.Handled = true;
                }
            }

            if (e.Handled)
            {
                Grid.Model.RowCount = 0;
                Grid.Model.RowCount = Templates.Count + 2;
            }

            if (row > -1 && row < Templates.Count)
                SelectTemplate(Templates[row]);
            else
                SelectTemplate(null);
        }
    }
}