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

using Xamarin.Forms;
using Xamarin.Forms.Xaml;

namespace comal.timesheets
{
	public delegate void FilterOptionChanged(string filterOption);

	[XamlCompilation(XamlCompilationOptions.Compile)]
	public partial class FilterOptionsControl : ContentView
	{
		public event FilterOptionChanged OnFilterOptionChanged;
		public List<string> Options { get; set; }
		public string CurrentOption { get; set; }
		public FilterOptionsControl()
        {
            InitializeComponent();
            Options = new List<string>();           
        }

        public void CreateRadioButtonsAndSetDefault(string defaultOption)
		{
			CurrentOption = defaultOption;
			Device.BeginInvokeOnMainThread(() => 
			{
                foreach (string option in Options)
                {
                    RadioButton radioButton = new RadioButton();
                    radioButton.Content = option;
                    radioButton.FontAttributes = FontAttributes.Bold;
                    radioButton.TextColor = Color.DimGray;
                    radioButton.Margin = new Thickness(3, 0, 3, 2);
                    radioButton.BorderColor = Color.FromHex("#9f4576");
                    radioButton.BorderWidth = 1;
                    radioButton.Padding = 3;
                    radioButton.BackgroundColor = Color.White;
                    radioButton.CornerRadius = 10;
                    if (option == defaultOption)
                    {
                        radioButton.IsChecked = true;
                    }
                    radioButton.CheckedChanged += ((object sender, CheckedChangedEventArgs e) =>
                    {
                        OnFilterOptionChanged?.Invoke(radioButton.Content.ToString());
                    });
                    optionsFlexLayout.Children.Add(radioButton);
                }
            });
		}
	}
}