ch.sahits.game.openpatrician.engine.player.strategy.BlockadeStrategy Maven / Gradle / Ivy

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package ch.sahits.game.openpatrician.engine.player.strategy;

import ch.sahits.game.openpatrician.clientserverinterface.service.ShipService;
import ch.sahits.game.openpatrician.model.IAIPlayer;
import ch.sahits.game.openpatrician.model.product.ISpecialMission;
import ch.sahits.game.openpatrician.model.ship.INavigableVessel;
import ch.sahits.game.openpatrician.model.ship.IShip;
import ch.sahits.game.openpatrician.utilities.annotation.ClassCategory;
import ch.sahits.game.openpatrician.utilities.annotation.EClassCategory;
import ch.sahits.game.openpatrician.utilities.annotation.LazySingleton;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.List;
import java.util.Optional;

/**
 * The blockade strategy decides which ship to select for sending it to the blockade.
 * @author Andi Hotz, (c) Sahits GmbH, 2016
 *         Created on Jun 23, 2016
 */
@LazySingleton
@ClassCategory(EClassCategory.SINGLETON_BEAN)
public class BlockadeStrategy {
    @Autowired
    private ShipService shipService;

    public Optional selectShip(IAIPlayer player) {
        List vessels = player.getSelectableVessels();
        IShip strongestShip = null;
        int strongest = 0;
        for (INavigableVessel vessel : vessels) {
            if (vessel instanceof IShip && !(player.getTradeMission(vessel) instanceof ISpecialMission)) {
               int strength = shipService.calculateShipsWeaponsStrength(vessel);
                if (strongestShip == null) {
                    strongestShip = (IShip) vessel;
                    strongest = strength;
                } else if (strength > strongest) {
                    strongestShip = (IShip) vessel;
                    strongest = strength;
                }
            }
        }
        return Optional.ofNullable(strongestShip);
    }
}