package runner;
import java.util.*;
class Card{
	private int rank, suit;
	private String[] suitStrings = {"Hearts", "Spades", "Clubs", "Diamonds",""};
	private String[] rankStrings = {"2","3","4","5","6","7","8","9","10","J","Q","K","A",""}; //ints correspond with each string in array.
		Card(int rank, int suit){
			this.rank = rank;
			this.suit = suit;
		}
		Card(){
			rank = 13;
			suit = 4;
		}
	public int getRank(){
		return rank;
	}
	public int getSuit(){
		return suit;
	}
	public String readCard(){
		return (rankStrings[rank]+" of "+suitStrings[suit]);
	}
}
class DeckClass{
	Card[] deck = new Card[52];
	int counter = 0;
	DeckClass(){
		for (int i=0;i<4;i++){
			for (int j = 0; j<13;j++){
				deck[counter] = new Card(j,i);
				counter++;
			}
		}
	}
	public void shuffle(){
		Collections.shuffle(Arrays.asList(deck));
	}
}
class Player{
	private ArrayList<Card> hand = new ArrayList<Card>();
	public void addCard(Card cardToAdd){
		hand.add(cardToAdd);
	}
	public void removeCard(int indexOfCard){
		hand.remove(indexOfCard);
	}
	public int lengthOfHand(){
		return hand.size();
	}
	public void displayCards(){
		System.out.println("=================================================================");
		int counter = 0;
		for (int i = 0;i<hand.size();i++){
			System.out.print(hand.get(i).readCard()+"\t"); //read the cards in each hand as a test.
			counter++;
			if (counter==4){
				System.out.println();
				counter = 0;
			}
		}
		System.out.println("\n=================================================================");
	}
	public int handIndexOf(String card){
		int index = -1;
		for (int i = 0;i<hand.size();i++){
			if (hand.get(i).readCard().equals(card)){
				index = i;
			}
		}
		return index;
	}
	public Card getCard(int index){
		return hand.get(index);
	}

}
public class Hearts {
	Random r = new Random();
	private static DeckClass mainDeck = new DeckClass();
	private static Player one = new Player();
	private static Player two = new Player(); //init deck and players
	private static Player three = new Player();
	private static Player four = new Player();

	public static void dealCardsFromDeck(){
		mainDeck.shuffle();
		int player = 1;
		for (int i = 0; i<mainDeck.deck.length;i++){
			switch (player){
			case 1:
				one.addCard(mainDeck.deck[i]);
				player++;
				break;
			case 2:
				two.addCard(mainDeck.deck[i]);
				player++;
				break;
			case 3:
				three.addCard(mainDeck.deck[i]);
				player++;
				break;
			case 4:
				four.addCard(mainDeck.deck[i]);
				player = 1;
				break;
			}
		}
	}

	public static void main(String[] args){
			Random r = new Random();
			Scanner s = new Scanner(System.in);
			dealCardsFromDeck();
			System.out.println("Cards have been shuffled and dealt.  You are player one.\n");
			System.out.println("Select three cards to swap with player two.");
			one.displayCards();

			Card[][] cardsToAdd = new Card[4][3];

			//This array stores the cards that will be swapped to the next hand.
			//The cards are first stored in this array, and then swapped all at once
			//This prevents cards from being cycled around the table

			System.out.print("First card: ");
			cardsToAdd[0][0] = one.getCard(one.handIndexOf(s.nextLine()));
			System.out.print("Second card: ");
			cardsToAdd[0][1] = one.getCard(one.handIndexOf(s.nextLine()));
			System.out.print("Third card: ");
			cardsToAdd[0][2] = one.getCard(one.handIndexOf(s.nextLine()));

			for (int i = 0;i<3;i++){
				cardsToAdd[1][i] = two.getCard(r.nextInt(two.lengthOfHand()));
			}
			for (int i = 0;i<3;i++){
				cardsToAdd[2][i] = three.getCard(r.nextInt(three.lengthOfHand()));  //Collecting random cards to swap
			}
			for (int i = 0;i<3;i++){
				cardsToAdd[3][i] = four.getCard(r.nextInt(four.lengthOfHand()));
			}
			for (int i = 0; i<3;i++){
				two.addCard(cardsToAdd[0][i]);
				//System.out.println(cardsToAdd[0][i].readCard());
				one.removeCard(one.handIndexOf(cardsToAdd[0][i].readCard()));
			}
			for (int i = 0; i<3;i++){
				three.addCard(cardsToAdd[1][i]);
				two.removeCard(two.handIndexOf(cardsToAdd[1][i].readCard()));
			}
			for (int i = 0; i<3;i++){
				four.addCard(cardsToAdd[2][i]);
				three.removeCard(three.handIndexOf(cardsToAdd[2][i].readCard()));
			}
			for (int i = 0; i<3;i++){
				one.addCard(cardsToAdd[3][i]);
				four.removeCard(four.handIndexOf(cardsToAdd[3][i].readCard()));
			}
			one.displayCards();
		}

}