using Android.Content;
using Android.Widget;
using Navigator.Core;
using Xamarin.Forms;
using Xamarin.Forms.Platform.Android;
using Navigator.Droid;
using Android.Views.InputMethods;
using Android.Util;

[assembly: ExportRenderer(typeof(EntryWithCustomKeyboardReturnButton), typeof(EntryWithCustomKeyboardReturnButtonCustomRenderer))]

namespace Navigator.Droid
{
  public class EntryWithCustomKeyboardReturnButtonCustomRenderer : EntryRenderer
  {
    public EntryWithCustomKeyboardReturnButtonCustomRenderer(Context context) : base(context)
    {
    }
    protected override void OnElementChanged(ElementChangedEventArgs<Entry> e)
    {
        base.OnElementChanged(e);

      var customEntry = Element as EntryWithCustomKeyboardReturnButton;

        if (Control != null && customEntry != null)
        {
            SetKeyboardButtonType(customEntry.ReturnType);

            Control.EditorAction += (object sender, TextView.EditorActionEventArgs args) =>
            {
                if (customEntry?.ReturnType != ReturnType.Next)customEntry?.Unfocus();
                customEntry?.InvokeCompleted();
            };
        }
    }

      void SetKeyboardButtonType(ReturnType returnType)
      {
          switch (returnType)
          {
              case ReturnType.Go:
                  Control.ImeOptions = ImeAction.Go;
                  Control.SetImeActionLabel("Go", ImeAction.Go);
                  break;
              case ReturnType.Next:
                  Control.ImeOptions = ImeAction.Next;
                  Control.SetImeActionLabel("Next", ImeAction.Next);
                  break;
              case ReturnType.Send:
                  Control.ImeOptions = ImeAction.Send;
                  Control.SetImeActionLabel("Send", ImeAction.Send);
                  break;
              case ReturnType.Search:
                  Control.ImeOptions = ImeAction.Search;
                  Control.SetImeActionLabel("Search", ImeAction.Search);
                  break;
              default:
                  Control.ImeOptions = ImeAction.Done;
                  Control.SetImeActionLabel("Done", ImeAction.Done);
                  break;
          }
      }
  }
}