﻿//
// UISplitViewControllerExtensions.cs
//
// Author:
//       valentingrigorean <v.grigorean@software-dep.net>
//
// Copyright (c) 2017 (c) Grigorean Valentin
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using UIKit;
using System.Linq;
namespace Bss.iOS.Extensions
{
    public static class UISplitViewControllerExtensions
    {
        public static bool GetIsPresentedAsDetail(this UISplitViewController This, UIViewController vc)
        {
            if (This.ViewControllers.Length <= 1)
                return false;

            var detail = This.ViewControllers[1];

            if (vc == detail)
                return true;
            
            if (detail is UINavigationController nav)
                return nav.ViewControllers.FirstOrDefault(_ => _ == vc) != null;
            return false;
        }
    }
}
