using System.ComponentModel;
using System.Globalization;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;

namespace Plugin.DataViewer
{
    public class CustomSortColumnConverter : IValueConverter
    {
        public static CustomSortColumnConverter Instance = new CustomSortColumnConverter();
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value as ListSortDirection? == ListSortDirection.Ascending)
            {
                return true;
            }

            if (value as ListSortDirection? == ListSortDirection.Descending)
            {
                return false;
            }
            return null;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            return value;
        }
    }

    public interface ICustomSortColumn
    {
        public bool? IsAsc { get; set; }

        void UpdateOther(bool? value);
        DataGrid GetOwner();
    }

    public class CustomSortTemplateColumn : DataGridTemplateColumn, ICustomSortColumn
    {
        public static DependencyProperty IsAscProperty = DependencyProperty.Register(
                            "IsAsc",
                            typeof(bool?),
                            typeof(DataGridTemplateColumn),
                            new FrameworkPropertyMetadata(null));

        public bool? IsAsc
        {
            get => (bool?)GetValue(IsAscProperty);
            set
            {
                SetValue(IsAscProperty, value);
            }
        }

        public void UpdateOther(bool? value)
        {
            foreach (var col in DataGridOwner.Columns)
            {
                if (col == this) continue;
                if (col is ICustomSortColumn csc)
                {
                    csc.IsAsc = value;
                }
            }
        }

        public DataGrid GetOwner()
        {
            return this.DataGridOwner;
        }
    }

    public class CustomSortTextColumn : DataGridTextColumn, ICustomSortColumn
    {
        public static DependencyProperty IsAscProperty = DependencyProperty.Register(
                            "IsAsc",
                            typeof(bool?),
                            typeof(DataGridTextColumn),
                            new FrameworkPropertyMetadata(null));

        public bool? IsAsc
        {
            get => (bool?)GetValue(IsAscProperty);
            set
            {
                SetValue(IsAscProperty, value);
            }
        }
        public void UpdateOther(bool? value)
        {
            foreach (var col in DataGridOwner.Columns)
            {
                if (col == this) continue;
                if (col is ICustomSortColumn csc)
                {
                    csc.IsAsc = value;
                }
            }
        }

        public DataGrid GetOwner()
        {
            return this.DataGridOwner;
        }
    }
}