/*
 *  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:
 * 
 *     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.
 * 
 *  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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 *  authors and should not be interpreted as representing official policies, either expressed
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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.CompoundAbility;
import mage.abilities.effects.ContinuousEffectImpl;
import mage.filter.FilterPermanent;
import mage.game.Game;
import mage.game.permanent.Permanent;

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

    protected CompoundAbility ability;
    protected boolean excludeSource;
    protected FilterPermanent filter;

    public GainAbilityControlledEffect(Ability ability, Duration duration) {
        this(ability, duration, new FilterPermanent());
    }

    public GainAbilityControlledEffect(CompoundAbility ability, Duration duration) {
        this(ability, duration, new FilterPermanent());
    }

    public GainAbilityControlledEffect(Ability ability, Duration duration, FilterPermanent filter) {
        this(ability, duration, filter, false);
    }

    public GainAbilityControlledEffect(CompoundAbility ability, Duration duration, FilterPermanent filter) {
        this(ability, duration, filter, false);
    }

    public GainAbilityControlledEffect(Ability ability, Duration duration, FilterPermanent filter, boolean excludeSource) {
        this(new CompoundAbility(ability), duration, filter, excludeSource);
    }

    public GainAbilityControlledEffect(CompoundAbility ability, Duration duration, FilterPermanent filter, boolean excludeSource) {
        super(duration, Layer.AbilityAddingRemovingEffects_6, SubLayer.NA, Outcome.AddAbility);
        this.ability = ability;
        this.filter = filter;
        this.excludeSource = excludeSource;
        setText();
    }

    public GainAbilityControlledEffect(final GainAbilityControlledEffect effect) {
        super(effect);
        this.ability = effect.ability.copy();
        this.filter = effect.filter.copy();
        this.excludeSource = effect.excludeSource;
    }

    @Override
    public void init(Ability source, Game game) {
        super.init(source, game);
        if (this.affectedObjectsSet) {
            for (Permanent perm : game.getBattlefield().getAllActivePermanents(filter, source.getControllerId(), game)) {
                if (!(excludeSource && perm.getId().equals(source.getSourceId()))) {
                    objects.add(perm.getId());
                }
            }
        }
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        for (Permanent perm : game.getBattlefield().getAllActivePermanents(filter, source.getControllerId(), game)) {
            if (!this.affectedObjectsSet || objects.contains(perm.getId())) {
                if (!(excludeSource && perm.getId().equals(source.getSourceId()))) {
                    for (Ability abilityToAdd : ability) {
                        perm.addAbility(abilityToAdd, source.getSourceId(), game);
                    }
                }
            }
        }
        return true;
    }

    public void setAbility(Ability ability) {
        this.ability = new CompoundAbility(ability);
    }

    public Ability getFirstAbility() {
        return ability.get(0);
    }

    private void setText() {
        StringBuilder sb = new StringBuilder();
        if (excludeSource) {
            sb.append("Other ");
        }
        String gainedAbility = ability.getRule();
        sb.append(filter.getMessage()).append(" you control ");
        if (duration.equals(Duration.WhileOnBattlefield) || duration.equals(Duration.EndOfGame)) {
            sb.append("have ");
            if (gainedAbility.startsWith("Whenever ") || gainedAbility.startsWith("{T}")) {
                gainedAbility = "\"" + gainedAbility + "\"";
            }
        }
        else {
            sb.append("gain ");
        }
        sb.append(gainedAbility);
        if (!duration.toString().isEmpty() && !duration.equals(Duration.EndOfGame)) {
                sb.append(" ").append(duration.toString());
        }
        staticText = sb.toString();
    }

}
