// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.ComponentModel;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.Windows.Markup;
 
namespace System.Xaml.Replacements
{
    /// <summary>
    /// This internal class simply wraps the DateTimeValueSerializer, to make it compatible with
    /// internal code that expects a type converter.
    /// </summary>
    internal class DateTimeConverter2 : TypeConverter
    {
        public override bool CanConvertFrom(ITypeDescriptorContext? context, Type sourceType)
        {
            if (sourceType == typeof(string))
            {
                return true;
            }
 
            return base.CanConvertFrom(context, sourceType);
        }
 
        public override bool CanConvertTo(ITypeDescriptorContext? context, [NotNullWhen(true)] Type? destinationType)
        {
            if (destinationType == typeof(string))
            {
                return true;
            }
 
            return base.CanConvertTo(context, destinationType);
        }
 
        public override object ConvertFrom(ITypeDescriptorContext? context, CultureInfo? culture, object value)
            => _dateTimeValueSerializer.ConvertFromString((value as string)!, null);
 
        public override object? ConvertTo(ITypeDescriptorContext? context, CultureInfo? culture, object? value, Type destinationType)
        {
            if (destinationType == typeof(string) && value is DateTime)
            {
                return _dateTimeValueSerializer.ConvertToString(value, null);
            }
 
            return base.ConvertTo(context, culture, value, destinationType);
        }
 
        private readonly DateTimeValueSerializer _dateTimeValueSerializer = new DateTimeValueSerializer();
    }
}