using BS.Shared;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BeWo.Service.Attributes
{
	[AttributeUsage(AttributeTargets.Method | AttributeTargets.Class, Inherited = true)]
	public class RequireWcfAuthorizationAttribute : Attribute
	{
		public RequireWcfAuthorizationAttribute(params UserRightType[] pPermissions)
		{
			Permissions = pPermissions;
		}

		public UserRightType[] Permissions { get; }

		public bool HasPermission(IEnumerable<UserRightType> rights)
		{
			if (Permissions is null || Permissions.Length == 0)
				return true;

			foreach (var right in rights)
			{
				if (HasPermission(right))
					return true;
			}

			return false;
		}

		public bool HasPermission(UserRightType right)
		{
			if (Permissions is null || Permissions.Length == 0)
				return true;

			for (var i = 0; i < Permissions.Length; i++)
			{
				var permission = Permissions[i];
				if (right == permission) return true;
			}

			return false;
		}
	}
}