bkimminich/kata-tcg

package de.kimminich.kata.tcg.strategy;

import de.kimminich.kata.tcg.Action;
import de.kimminich.kata.tcg.Card;
import de.kimminich.kata.tcg.Move;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.charset.Charset;
import java.util.List;
import java.util.Optional;
import java.util.logging.Logger;

public class ConsoleInputStrategy extends Strategy {

    private static final Logger logger = Logger.getLogger(ConsoleInputStrategy.class.getName());

    @Override
    public Move nextMove(int availableMana, int currentHealth, List<Card> availableCards) {
        try {
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in, Charset.defaultCharset()));
            Integer card = -1;
            Action action = Action.DAMAGE;
            while (card < 0 || card > 8 || card > availableMana || !availableCards.contains(new Card(card))) {
                try {
                    String input = br.readLine();
                    if (input.endsWith("h")) {
                        action = Action.HEALING;
                        input = input.replace("h", "");
                    }
                    card = Integer.decode(input);
                } catch (NumberFormatException e) {
                    logger.warning("Invalid input: " + e.getMessage());
                }
            }
            return new Move(Optional.of(new Card(card)), action);
        } catch (IOException e) {
            logger.severe("Could not read console input: " + e.getMessage());
            e.printStackTrace();
        }
        return new Move(Optional.empty(), null);
    }


}