using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Markup;

namespace LocalhostMES.Enums
{
    public enum StationType
    {
        OP10,
        OP20L,
        OP20R,
        OP30L,
        OP30R,
        OP40L,
        OP40R,
        OP50L,
        OP50R,
        OP60L,
        OP60R,
        OP70L,
        OP70R,
        OP80L,
        OP80R

    }

    public class EnumBindingSourceExtension : MarkupExtension
    {
        private Type _enumType;
        public Type EnumType
        {
            get => _enumType;
            set
            {
                if ( value != _enumType )
                {
                    if ( null != value )
                    {
                        Type enumType = Nullable.GetUnderlyingType(value) ?? value;
                        if ( !enumType.IsEnum )
                            throw new ArgumentException("Type must be for an Enum.");
                    }

                    _enumType = value;
                }
            }
        }

        public EnumBindingSourceExtension() { }

        public EnumBindingSourceExtension(Type enumType)
        {
            EnumType = enumType;
        }

        public override object ProvideValue(IServiceProvider serviceProvider)
        {
            if ( null == _enumType )
                throw new InvalidOperationException("The EnumType must be specified.");

            Type actualEnumType = Nullable.GetUnderlyingType(_enumType) ?? _enumType;
            Array enumValues = Enum.GetValues(actualEnumType);

            if ( actualEnumType == _enumType )
                return enumValues;

            Array tempArray = Array.CreateInstance(actualEnumType, enumValues.Length + 1);
            enumValues.CopyTo(tempArray, 1);
            return tempArray;
        }
    }
}