using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Media;
using InABox.Core;
using InABox.WPF;
using Microsoft.Xaml.Behaviors;
using Syncfusion.UI.Xaml.Grid;

namespace InABox.DynamicGrid;

public abstract class DynamicGridMaskColumn<TEntity, TEditor> : DynamicGridEditorColumn<TEntity, TEditor, GridTemplateColumn>
    where TEntity : BaseObject
    where TEditor : class,new() 
{

    protected abstract Behavior CreateBehaviour();

    protected abstract IValueConverter CreateConverter();

    protected abstract Button[] CreateButtons(TextBox textbox);
    
    protected override void Configure(GridTemplateColumn column, TEditor editor)
    {
        var converter = CreateConverter();
        column.CellTemplate = TemplateGenerator.CreateDataTemplate
        (
            () =>
            {
                var result = new Label();
                result.HorizontalContentAlignment = Column.TextAlignment == TextAlignment.Left
                    ? HorizontalAlignment.Left
                    : Column.TextAlignment == TextAlignment.Center
                        ? HorizontalAlignment.Center
                        : HorizontalAlignment.Right;
                var binding = new Binding()
                {
                    Path = new PropertyPath(MappingName),
                    Converter = converter
                };
                result.SetBinding(Label.ContentProperty, binding);
                return result;
            }
        );
        
        column.EditTemplate = TemplateGenerator.CreateDataTemplate
        (
            () =>
            {
                
                var result = new Grid();
                result.ColumnDefinitions.Add(new ColumnDefinition() { Width = new GridLength(1, GridUnitType.Star)});
                result.ColumnDefinitions.Add(new ColumnDefinition() { Width = new GridLength(1, GridUnitType.Auto)});
                
                var textbox = new TextBox();
                textbox.CharacterCasing = CharacterCasing.Upper;
                textbox.TextAlignment = Column.TextAlignment;
                textbox.SetBinding(TextBox.TextProperty, new Binding()
                {
                    Path = new PropertyPath(MappingName),
                    Converter = converter
                });
                
                textbox.SetValue(Grid.ColumnSpanProperty, 2);
                textbox.Padding = new Thickness(2, 0, 0, 0);
                textbox.VerticalContentAlignment = VerticalAlignment.Center;
                textbox.SetValue(FocusManagerHelper.FocusedElementProperty, true);

                Interaction.GetBehaviors(textbox).Add(CreateBehaviour());
                
                result.Children.Add(textbox);

                var padding = 0.0;
                var buttons = CreateButtons(textbox);
                if (buttons?.Any() == true)
                {
                    StackPanel stack = new StackPanel()
                    {
                        Orientation = Orientation.Horizontal
                    
                    };
                    stack.SetValue(Grid.ColumnProperty,1);
                    result.Children.Add(stack);
                    
                    foreach (var button in buttons)
                    {
                        button.Margin = new Thickness(1);
                        button.BorderThickness = new Thickness(0.75, 0, 0, 0);
                        stack.Children.Add(button);
                        padding += button.Width;
                    }
                    
                }

                textbox.Padding = new Thickness(0, 0, padding, 0);
                
                return result;
            }
            
        );
        column.SetCellBoundValue = false;
    }

    protected DynamicGridMaskColumn(DynamicGridColumn definition) : base(definition)
    {
    }
}