using System;
using System.Collections.Generic;
using System.IO;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Security.Cryptography.X509Certificates;
using System.Security.Cryptography;


namespace GreenvilleRevenueGUI
{
    internal class DeckofCards
    {
        Crazy8Card ACardBack;
        Random Random = new Random(); 
        Crazy8Card[] AllCards = new Crazy8Card[52];
        int tries = 0;
        int currentcardnumber = 0;
        


        public DeckofCards() 
        {
            
        }
        public void shuffleCards()
        {
            int timetoshuffle = Random.Next(41 - 1001);

            for (int i = 0; i < timetoshuffle; i++)
            {
                int card1 = Random.Next(52);
                int card2 = Random.Next(52);
                Crazy8Card TempCard1 = AllCards[card1];
                AllCards[card1] = AllCards[card2];
                AllCards[card2] = TempCard1;
            }
        }
        public void LoadCards()
        {
            Crazy8Card ACard;
            String msg = "";
            try
            {
                string[] list = Directory.GetFiles(@"cards", "*.gif");
                Array.Sort(list);
                int suit = 0;
                for (int index = 0; index < 52; index++)
                {
                    int value = GetNextCardValue(index);
                    Image image = Image.FromFile(list[index]);

                    ACard = new Crazy8Card(image, value, suit++);
                    if (suit == 4)
                    {
                        suit = 0;
                    }
                    if (index > 31 && index < 36)
                    {
                        //this is an ace for later BJ ACard.SetCardToAce();
                    }
                    AllCards[index] = ACard;
                }
                string[] list2 = Directory.GetFiles(@"cards", "Wfswbackcard*.gif");
                Image Backimage = Image.FromFile(list2[0]);
                ACardBack = new Crazy8Card(Backimage, 0, 0);
            }

            catch (Exception e)
            {
                if (tries < 2)
                {
                    msg = "Error Please make sure the card files in the Directory. \nWhen you put the cards in the Directory hit OK button.\n\n " + e.ToString();
                    MessageBox.Show(msg);
                    tries++;
                    LoadCards();

                }
                else
                {
                    Environment.Exit(1);
                }

            }

        }


        private int GetNextCardValue(int currentcardnumber)
        {
            int cardvalue = 10;
            if (currentcardnumber < 33)
            {
                cardvalue = (currentcardnumber / 4) + 2;
            }

            if (currentcardnumber > 31 && currentcardnumber < 36)
                cardvalue = 11;//aces

            if (currentcardnumber > 35 && currentcardnumber < 40)
                cardvalue = 12;//jack

            if (currentcardnumber > 39 && currentcardnumber < 44)
                cardvalue = 13;//kings

            if (currentcardnumber > 43 && currentcardnumber < 48)
                cardvalue = 14;//queen

            return cardvalue;
        }

        public Crazy8Card GetNextCard()
        {


            if (currentcardnumber >= 52)
            {
                currentcardnumber = 0;
                MessageBox.Show("All cards have been dealt, Game Over");
                Environment.Exit(-1);
            }
            return AllCards[currentcardnumber++];
        }





        public void ResetCardsDiscarded()
        {
            for (int index = 0; index < 52; index++)
            {
                AllCards[index].Setdiscarded(false);
            }
        }

        public void DealCrazy8stoBoth()
        {
            for (int index = 0; index < 52; index++)
            {
                Crazy8Card TempCard1 = AllCards[index];

                if (TempCard1.GetCardValue() == 8)
                {
                    if (index == 0 || index == 9 || index == 10)
                    {
                        //do nothing it is already in its place  
                    }
                    else
                    {
                        put8inposition(index);
                    }
                }
            }
            currentcardnumber = 0;//RWW
        }

        private void put8inposition(int index)
        {
            //recall 8s go in (index == 0 || index == 9 || index == 10 )
            Boolean notlocatedthenew8 = true;
            int index8 = 0;
            Crazy8Card Card8 = AllCards[index];

            while (notlocatedthenew8)
            {
                Card TempCard1 = AllCards[index8];
                if (TempCard1.GetCardValue() == 8)
                {
                    if (index8 == 10)
                        return;//all done
                    if (index8 == 9)
                        index8 = 10;
                    if (index8 == 0)
                        index8 = 9;// 0 is already in its place go to the next pos
                }
                else
                {
                    // its ok to swap them AllCards[aceindex] is not an ace
                    Crazy8Card OriginalCard = AllCards[index8];
                    AllCards[index8] = Card8;
                    AllCards[index] = OriginalCard;
                    notlocatedthenew8 = false;
                }
            }

        }


    }
}