using Sarand.Net.Standard.Base.Core;
using Sarand.Net.Standard.Base.Utils;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using Xamarin.Forms;

namespace Sarand.Net.Mobile.Xamarin.Forms.Pages
{
	//=======================================================================
	public abstract class SaxContentPage : ContentPage
	{
		//-------------------------------------------------------------------
		// Definitions.

		//-------------------------------------------------------------------
		// Data members.

		//-------------------------------------------------------------------
		// Construction.
		protected SaxContentPage ()
		{
		}

		//-------------------------------------------------------------------
		// Properties.
		public abstract String MessageTitleDefault { get; }

		//-------------------------------------------------------------------
		//                    P o p u p   M e s s a g e s
		//-------------------------------------------------------------------
		public enum AlertMode
		{
			OK,
			Close,
		}
		public Task DisplayAlert (String message, AlertMode alertMode = AlertMode.OK)
		{
			String title = StringUtil.OnEmpty(Title, MessageTitleDefault);
			String cancel = "OK";
			if (alertMode == AlertMode.Close)
				cancel = "Close";
			return DisplayAlert(title, message, cancel);
		}
		public enum ConfirmMode
		{
			YesNo,
			OkCancel
		}
		public async Task<bool> DisplayConfirm (String message, ConfirmMode confirmMode = ConfirmMode.OkCancel)
		{
			String title = StringUtil.OnEmpty(Title, MessageTitleDefault);
			String accept = "Yes";
			String cancel = "No";
			if (confirmMode == ConfirmMode.OkCancel)
			{
				accept = "OK";
				cancel = "Cancel";
			}
			return await DisplayAlert(title, message, accept, cancel);
		}

		//-------------------------------------------------------------------
		//                       P a g e   E v e n t s
		//-------------------------------------------------------------------
		protected override void OnParentSet ()
		{
			base.OnParentSet();
		}
		//-------------------------------------------------------------------
		protected override void OnPropertyChanged ([CallerMemberName] string propertyName = null)
		{
			base.OnPropertyChanged(propertyName);
		}
		//-------------------------------------------------------------------
		protected override void OnAppearing ()
		{
			base.OnAppearing();
		}
		//-------------------------------------------------------------------
		protected override void OnDisappearing ()
		{
			base.OnDisappearing();
		}

		//-------------------------------------------------------------------
	}
	//=======================================================================
}