using Caliburn.Micro;
using friaLabbar.Models;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;
using System.Windows.Media;

namespace friaLabbar.ViewModels
{
    public class PasswordCrackerViewModel
    {
        private List<string> passwordPool = new List<string>()
        {"BELOW", "PLANT", "WHICH", "WORLD", "WATER", "THESE", "THERE", "HOUSE", "WOULD", "WRITE", "ABOUT", "LEARN" };
        
        private PasswordCracker pwCracker;

        public BindableCollection<PositionalPasswordCharacter> PossiblePasswords { get; set; }
        public BindableCollection<PossiblePassword> AllPasswords { get; set; }

        public PasswordCrackerViewModel()
        {
            pwCracker = new PasswordCracker(passwordPool);
            pwCracker.PositionalCharacters[0].Text = "WHLXAS";
            pwCracker.PositionalCharacters[1].Text = "ORHEQZT";
            pwCracker.PositionalCharacters[4].Text = "EDQZP";
            IEnumerable<PossiblePassword> pp = pwCracker.AllPasswords;

            PossiblePasswords = new BindableCollection<PositionalPasswordCharacter>(pwCracker.PositionalCharacters);
            AllPasswords = new BindableCollection<PossiblePassword>(pwCracker.AllPasswords);
        }
    }

    public class PasswordToColorConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is Boolean)
            {
                if ((Boolean)value)
                {
                    return Brushes.Gray;
                }
                else
                {
                    return Brushes.Red;
                }
            }

            return Brushes.White;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }

    public class PasswordCharacterToColorConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            Brush color = Brushes.White;
            if (value is CharacterState)
            {
                switch ((CharacterState)value)
                {
                    case CharacterState.Possible:
                        color = Brushes.Green;
                        break;
                    case CharacterState.Impossible:
                        color = Brushes.Red;
                        break;
                    case CharacterState.Unknown:
                        color = Brushes.White;
                        break;
                }
            }

            return color;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}