package pair.trivia.a20170602;

/**
  * Trivia Kata.
  * Copyright (c) 2017, Peter Kofler, licensed under BSD License.
  */
public class MovePlayerOnBoard {

    private final int[] playerPositions;

    public MovePlayerOnBoard(int numberOfPlayers) {
        playerPositions = new int[numberOfPlayers];
    }

    public String move(String playerName, int currentPlayer, int byPlaces) {
        move(currentPlayer, byPlaces);
        System.out.println(playerName + "'s new location is " + playerPositions[currentPlayer]);

        String currentCategory = currentCategory(currentPlayer);
        System.out.println("The category is " + currentCategory);
        return currentCategory;
    }

    private void move(int currentPlayer, int byPlaces) {
        playerPositions[currentPlayer] = playerPositions[currentPlayer] + byPlaces;
        if (playerPositions[currentPlayer] > 11) {
            playerPositions[currentPlayer] = playerPositions[currentPlayer] - 12;
        }
    }

    private String currentCategory(int currentPlayer) {
        if (playerPositions[currentPlayer] == 0) {
            return "Pop";
        }
        if (playerPositions[currentPlayer] == 4) {
            return "Pop";
        }
        if (playerPositions[currentPlayer] == 8) {
            return "Pop";
        }
        if (playerPositions[currentPlayer] == 1) {
            return "Science";
        }
        if (playerPositions[currentPlayer] == 5) {
            return "Science";
        }
        if (playerPositions[currentPlayer] == 9) {
            return "Science";
        }
        if (playerPositions[currentPlayer] == 2) {
            return "Sports";
        }
        if (playerPositions[currentPlayer] == 6) {
            return "Sports";
        }
        if (playerPositions[currentPlayer] == 10) {
            return "Sports";
        }
        return "Rock";
    }

}

/*
 * Notice the inconsistent naming of class vs. method names.
 * We only have a class with one method - how is the name meaningful?
 * This is the board. Can we escape our mental image of Objects as state?
 * But this was selected only looking at behaviour. So it must be good.
*/