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

namespace friaLabbar.Models
{
    public class PasswordCracker
    {
        public List<String> PasswordPool { get; set; }
        public PositionalPasswordCharacter[] PositionalCharacters { get; set; }
        public PasswordCracker(List<string> passwordPool, uint pwLength = 5, uint numPossibleCharacters = 6)
        {
            PasswordPool = passwordPool;
            PositionalCharacters = new PositionalPasswordCharacter[pwLength];
            for (uint i = 0; i < pwLength; i++)
            {
                PositionalCharacters[i] = new PositionalPasswordCharacter(numPossibleCharacters, i);
            }
        }

        public PasswordCracker(uint pwLength = 5, uint numPossibleCharacters = 6)
            : this(new List<string>(), pwLength, numPossibleCharacters)
        {
        }

        public IEnumerable<PossiblePassword> AllPasswords
        {
            get 
            {
                List<PossiblePassword> result = new List<PossiblePassword>();
                
                foreach (string password in PasswordPool)
                {
                    result.Add(new PossiblePassword(password, PositionalCharacters));
                }

                return result; 
            }
        }
    }
}