import java.util.*;

public class Player {

    String name;
    ArrayList<Figure> figures;
    int startPos;
    int startHome;
    int jumpToHome;
    Scanner scanner;

    public Player(String name, int startPos, int startHome, int jumpToHome) {
        this.name = name;
        this.startPos = startPos;
        this.startHome = startHome;
        this.jumpToHome = jumpToHome;
        figures = new ArrayList<>();
        for(int i = 0; i < 4; i++) {
            figures.add(new Figure());
        }
    }

    /**
     * Rolls the dice - Generates a random Number in the range of 1 - 6
     * @return value of the dice
     */
    public int rollDice() {
        return (int) (Math.random() * 6 + 1);
    }

    /**
     * Checks if a Player has won the game with the current play
     * @param figures figures of the current Player
     * @return true if Player has won
     */
    public boolean checkGameWin(ArrayList<Figure> figures) {
        Iterator<Figure> it = figures.iterator();
        Figure f;
        while(it.hasNext()) {
            f = it.next();
            if(!(f.getPosition() >= startHome && f.getPosition() <= startHome+3)) {
                return false;
            }
        }
        return true;
    }

    /**
     * Checks if the Player has figures in the base (off gameboard)
     * @param figures figures of the current Player
     * @return true if there is at least one figure in the base (off gameboard)
     */
    public int checkFigureInBase(ArrayList<Figure> figures) {
        Iterator<Figure> it = figures.iterator();
        Figure f;
        int count = 0;
        while(it.hasNext()) {
            f = it.next();
            if(f.getPosition() == -1) {
                count++;
            }
        }
        return count;
    }

    /**
     * Get the user input on witch figure the user wants to move
     * @param usableFigures list of usable Figures to choose from
     * @return int figid of the figure chosen
     */
    public int choose(ArrayList<Integer> usableFigures) {
        StringBuilder out = new StringBuilder("[");
        for(int i = 0; i<usableFigures.size(); i++) {
            out.append(usableFigures.get(i) + 1);
            if(i < usableFigures.size()-1) {
                out.append(",");
            }
        }
        out.append("]");
        scanner = new Scanner(System.in);
        System.out.print("Wählen Sie eine Figur " + out + ": ");
        try{
            int input = scanner.nextInt();
            if(input == -1) {
                System.exit(0);
            }
            if (input > Collections.max(usableFigures) + 1 || input < Collections.min(usableFigures) + 1) {
                System.out.println("Die eingegebene Zahl war zu groß oder zu klein.\n" +
                        "Bitte nur Zahlen von " + (Collections.min(usableFigures) + 1) + " bis " + (Collections.max(usableFigures) + 1) + " eingeben.");
                return -1;
            }
            return input - 1;
        } catch (Exception e) {
            System.out.println("Die Eingabe hat keine Zahl bekommen.\n" +
                    "Bitte nur Zahlen von " + (Collections.min(usableFigures) + 1) + " bis " + (Collections.max(usableFigures) + 1)+ " eingeben.");
            return -1;
        }
    }
}