using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace Tango.Scripting.Editors.Popups
{
    public class MethodPopup : Control
    {
        public List<MethodDescription> Methods { get; set; }

        public int CurrentMethodIndex
        {
            get { return (int)GetValue(CurrentMethodIndexProperty); }
            set { SetValue(CurrentMethodIndexProperty, value); }
        }
        public static readonly DependencyProperty CurrentMethodIndexProperty =
            DependencyProperty.Register("CurrentMethodIndex", typeof(int), typeof(MethodPopup), new PropertyMetadata(1));

        public MethodDescription CurrentMethod
        {
            get { return (MethodDescription)GetValue(CurrentMethodProperty); }
            set { SetValue(CurrentMethodProperty, value); }
        }
        public static readonly DependencyProperty CurrentMethodProperty =
            DependencyProperty.Register("CurrentMethod", typeof(MethodDescription), typeof(MethodPopup), new PropertyMetadata(null));

        public void IncrementMethod()
        {
            if (Methods.Count > 0)
            {
                if (CurrentMethodIndex < Methods.Count)
                {
                    CurrentMethodIndex++;
                    CurrentMethod = Methods[CurrentMethodIndex - 1];
                }
                else
                {
                    CurrentMethodIndex = 1;
                    CurrentMethod = Methods[0];
                }
            }
        }

        public void DecrementMethod()
        {
            if (Methods.Count > 0)
            {
                if (CurrentMethodIndex > 1)
                {
                    CurrentMethodIndex--;
                    CurrentMethod = Methods[CurrentMethodIndex - 1];
                }
                else
                {
                    CurrentMethodIndex = Methods.Count;
                    CurrentMethod = Methods[Methods.Count - 1];
                }
            }
        }

        public MethodPopup()
        {
            Methods = new List<MethodDescription>();
        }

        static MethodPopup()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(MethodPopup), new FrameworkPropertyMetadata(typeof(MethodPopup)));
        }
    }
}