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package mage.abilities.common;

import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.effects.Effect;
import mage.constants.Zone;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.permanent.Permanent;

/**
 *
 * @author garnold
 */
public class BlocksAttachedTriggeredAbility extends TriggeredAbilityImpl{
    
    private final String attachedDescription;

    public BlocksAttachedTriggeredAbility(Effect effect, String attachedDescription, boolean optional) {
        super(Zone.BATTLEFIELD, effect, optional);
        this.attachedDescription = attachedDescription;
    }

    public BlocksAttachedTriggeredAbility(final BlocksAttachedTriggeredAbility ability) {
        super(ability);
        this.attachedDescription = ability.attachedDescription;
    }

    @Override
    public BlocksAttachedTriggeredAbility copy() {
        return new BlocksAttachedTriggeredAbility(this);
    }

    @Override
    public boolean checkEventType(GameEvent event, Game game) {
        return event.getType() == GameEvent.EventType.DECLARED_BLOCKERS;
    }

    @Override
    public boolean checkTrigger(GameEvent event, Game game) {
        Permanent attachment = game.getPermanent(this.getSourceId());
        if (attachment != null && attachment.getAttachedTo() != null && game.getCombat().getBlockers().contains(attachment.getAttachedTo())) {
            return true;
        }
        return false;
    }

    @Override
    public String getRule() {
        return "Whenever " + attachedDescription + " creature blocks, " + super.getRule();
    }
}