/*
* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
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*    1. Redistributions of source code must retain the above copyright notice, this list of
*       conditions and the following disclaimer.
*
*    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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* THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
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package mage.abilities.effects.common.continious;

import mage.Constants.Duration;
import mage.Constants.Layer;
import mage.Constants.Outcome;
import mage.Constants.SubLayer;
import mage.abilities.Ability;
import mage.abilities.Mode;
import mage.abilities.effects.ContinuousEffectImpl;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.target.Target;

import java.util.UUID;

/**
 *
 * @author BetaSteward_at_googlemail.com
 */
public class GainAbilityTargetEffect extends ContinuousEffectImpl<GainAbilityTargetEffect> {

    protected Ability ability;
    protected String rule;
    protected boolean hasRule;

    public GainAbilityTargetEffect(Ability ability, Duration duration) {
        super(duration, Layer.AbilityAddingRemovingEffects_6, SubLayer.NA, 
                ability.getEffects().size() > 0 ? ability.getEffects().get(0).getOutcome() : Outcome.AddAbility);
        this.ability = ability;
    }

    public GainAbilityTargetEffect(Ability ability, Duration duration, String rule) {
        super(duration, Layer.AbilityAddingRemovingEffects_6, SubLayer.NA,
                ability.getEffects().size() > 0 ? ability.getEffects().get(0).getOutcome() : Outcome.AddAbility);
        this.ability = ability;
        this.rule = rule;
        this.hasRule = true;
    }

    public GainAbilityTargetEffect(final GainAbilityTargetEffect effect) {
        super(effect);
        this.ability = effect.ability.copy();
        this.rule = effect.rule;
        this.hasRule = effect.hasRule;
    }

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

    @Override
    public void init(Ability source, Game game) {
        super.init(source, game);
        targetPointer.init(game, source);
    }

    @Override
    public boolean apply(Game game, Ability source) {
        int affectedTargets = 0;
        for (UUID permanentId : targetPointer.getTargets(game, source)) {
            Permanent permanent = game.getPermanent(permanentId);
            if (permanent != null) {
                permanent.addAbility(ability, source.getSourceId(), game);
                affectedTargets++;
            }
        }
        return affectedTargets > 0;
    }

    @Override
    public String getText(Mode mode) {
        if (hasRule) {
            return rule;
        }
        StringBuilder sb = new StringBuilder();
        Target target = mode.getTargets().get(0);
        if(target.getNumberOfTargets() > 1){
            if (target.getNumberOfTargets() < target.getMaxNumberOfTargets()) {
                sb.append("Up to");
            }
            sb.append(target.getMaxNumberOfTargets()).append(" target ").append(target.getTargetName()).append(" gain ");
        } else {
            sb.append("Target ").append(target.getTargetName()).append(" gains ");
        }
        sb.append(ability.getRule()).append(" ").append(duration.toString());
        return sb.toString();
    }

}