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 *
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 *        conditions and the following disclaimer.
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 *     2. Redistributions in binary form must reproduce the above copyright notice, this list
 *        of conditions and the following disclaimer in the documentation and/or other materials
 *        provided with the distribution.
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 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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package mage.abilities.decorator;

import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.condition.Condition;
import mage.abilities.condition.FixedCondition;
import mage.abilities.condition.LockedInCondition;
import mage.abilities.effects.RequirementEffect;
import mage.constants.Duration;
import mage.constants.EffectType;
import mage.game.Game;
import mage.game.permanent.Permanent;

/**
 *
 * @author LevelX2
 */

public class ConditionalRequirementEffect extends RequirementEffect  {

    protected RequirementEffect effect;
    protected RequirementEffect otherwiseEffect;
    protected Condition condition;
    protected boolean conditionState;
    protected Condition baseCondition;
    protected boolean initDone = false;

    public ConditionalRequirementEffect(RequirementEffect effect, Condition condition) {
        this(Duration.WhileOnBattlefield, effect, condition, null, false);
    }

    public ConditionalRequirementEffect(Duration duration, RequirementEffect effect, Condition condition, RequirementEffect otherwiseEffect, boolean lockedInCondition) {
        super(duration);
        this.effectType = EffectType.REQUIREMENT;
        this.effect = effect;
        this.baseCondition = condition;
        this.otherwiseEffect = otherwiseEffect;
    }

    public ConditionalRequirementEffect(final ConditionalRequirementEffect effect) {
        super(effect);
        this.effect = (RequirementEffect) effect.effect.copy();
        if (effect.otherwiseEffect != null) {
            this.otherwiseEffect = (RequirementEffect) effect.otherwiseEffect.copy();
        }
        this.condition = effect.condition;
        this.conditionState = effect.conditionState;
        this.baseCondition = effect.baseCondition;
        this.initDone = effect.initDone;
    }

    @Override
    public void init(Ability source, Game game) {
        super.init(source, game);
        if (baseCondition instanceof LockedInCondition) {
            condition = new FixedCondition(((LockedInCondition) baseCondition).getBaseCondition().apply(game, source));
        } else {
            condition = baseCondition;
        }
        effect.setTargetPointer(this.targetPointer);
        effect.init(source, game);
        if (otherwiseEffect != null) {
            otherwiseEffect.setTargetPointer(this.targetPointer);
            otherwiseEffect.init(source, game);
        }
        initDone = true;
    }

    @Override
    public boolean applies(Permanent permanent, Ability source, Game game) {
        if (!initDone) { // if simpleStaticAbility, init won't be called
            init(source, game);
        }
        conditionState = condition.apply(game, source);
        if (conditionState) {
            effect.setTargetPointer(this.targetPointer);
            return effect.applies(permanent, source,game);
        } else if (otherwiseEffect != null) {
            otherwiseEffect.setTargetPointer(this.targetPointer);
            return otherwiseEffect.applies(permanent, source, game);
        }
        if (!conditionState && effect.getDuration() == Duration.OneUse) {
            used = true;
        }
        if (!conditionState && effect.getDuration() == Duration.Custom) {
            this.discard();
        }
        return false;
    }

    @Override
    public boolean mustAttack(Game game) {
        if (conditionState) {
            return effect.mustAttack(game);
        } else if (otherwiseEffect != null) {
            return otherwiseEffect.mustAttack(game);
        }
        return false;
    }

    @Override
    public boolean mustBlock(Game game) {
        if (conditionState) {
            return effect.mustBlock(game);
        } else if (otherwiseEffect != null) {
            return otherwiseEffect.mustBlock(game);
        }
        return false;
    }

    @Override
    public boolean mustBlockAny(Game game) {
        if (conditionState) {
            return effect.mustBlockAny(game);
        } else if (otherwiseEffect != null) {
            return otherwiseEffect.mustBlockAny(game);
        }
        return false;
    }

    @Override
    public UUID mustAttackDefender(Ability source, Game game) {
        if (conditionState) {
            return effect.mustAttackDefender(source, game);
        } else if (otherwiseEffect != null) {
            return otherwiseEffect.mustAttackDefender(source, game);
        }
        return null;
    }

    @Override
    public UUID mustBlockAttacker(Ability source, Game game) {
        if (conditionState) {
            return effect.mustBlockAttacker(source, game);
        } else if (otherwiseEffect != null) {
            return otherwiseEffect.mustBlockAttacker(source, game);
        }
        return null;
    }
    
    @Override
    public ConditionalRequirementEffect copy() {
        return new ConditionalRequirementEffect(this);
    }

}