using System;
using Lumina.Excel.GeneratedSheets;
using Action = Lumina.Excel.GeneratedSheets.Action;

namespace Penumbra.GameData.Enums
{
    public enum ChangedItemType
    {
        None,
        Item,
        Action,
        Customization,
    }

    public static class ChangedItemExtensions
    {
        public static (ChangedItemType, uint) ChangedItemToTypeAndId( object? item )
        {
            return item switch
            {
                null     => ( ChangedItemType.None, 0 ),
                Item i   => ( ChangedItemType.Item, i.RowId ),
                Action a => ( ChangedItemType.Action, a.RowId ),
                _        => ( ChangedItemType.Customization, 0 ),
            };
        }

        public static object? GetObject( this ChangedItemType type, uint id )
        {
            return type switch
            {
                ChangedItemType.None          => null,
                ChangedItemType.Item          => ObjectIdentification.DataManager?.GetExcelSheet< Item >()?.GetRow( id ),
                ChangedItemType.Action        => ObjectIdentification.DataManager?.GetExcelSheet< Action >()?.GetRow( id ),
                ChangedItemType.Customization => null,
                _                             => throw new ArgumentOutOfRangeException( nameof( type ), type, null )
            };
        }
    }
}