using System;

using MobileCoreServices;
using Foundation;
using UIKit;

namespace iOS.Autofill
{
    public partial class ActionViewController : UIViewController
    {
        public ActionViewController(IntPtr handle) : base(handle)
        {
        }

        public override void DidReceiveMemoryWarning()
        {
            // Releases the view if it doesn't have a superview.
            base.DidReceiveMemoryWarning();

            // Release any cached data, images, etc that aren't in use.
        }

        public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            // Get the item[s] we're handling from the extension context.

            // For example, look for an image and place it into an image view.
            // Replace this with something appropriate for the type[s] your extension supports.
            bool imageFound = false;

            foreach(var item in ExtensionContext.InputItems)
            {
                foreach(var itemProvider in item.Attachments)
                {
                    if(itemProvider.HasItemConformingTo(UTType.Image))
                    {
                        // This is an image. We'll load it, then place it in our image view.
                        itemProvider.LoadItem(UTType.Image, null, delegate (NSObject image, NSError error)
                        {
                            if(image != null)
                            {
                                NSOperationQueue.MainQueue.AddOperation(delegate
                                {
                                    imageView.Image = (UIImage)image;
                                });
                            }
                        });

                        imageFound = true;
                        break;
                    }
                }

                if(imageFound)
                {
                    // We only handle one image, so stop looking for more.
                    break;
                }
            }
        }

        partial void DoneClicked(NSObject sender)
        {
            // Return any edited content to the host app.
            // This template doesn't do anything, so we just echo the passed-in items.
            ExtensionContext.CompleteRequest(ExtensionContext.InputItems, null);
        }
    }
}