/*
 *  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
 *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 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;

import mage.abilities.Ability;
import mage.abilities.dynamicvalue.DynamicValue;
import mage.abilities.dynamicvalue.common.PermanentsOnBattlefieldCount;
import mage.abilities.dynamicvalue.common.StaticValue;
import mage.abilities.effects.OneShotEffect;
import mage.constants.Outcome;
import mage.game.Game;
import mage.players.Player;
import mage.util.CardUtil;

/**
 * @author BetaSteward_at_googlemail.com
 */
public class DrawCardSourceControllerEffect extends OneShotEffect {

    protected DynamicValue amount;

    public DrawCardSourceControllerEffect(int amount) {
        this(new StaticValue(amount));
    }

    public DrawCardSourceControllerEffect(DynamicValue amount) {
        super(Outcome.DrawCard);
        this.amount = amount.copy();
        setText();
    }

    public DrawCardSourceControllerEffect(final DrawCardSourceControllerEffect effect) {
        super(effect);
        this.amount = effect.amount.copy();
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        Player player = game.getPlayer(source.getControllerId());
        if (player != null) {
            player.drawCards(amount.calculate(game, source, this), game);
            return true;
        }
        return false;
    }

    private void setText() {
        StringBuilder sb = new StringBuilder();
        boolean oneCard = (amount instanceof StaticValue && amount.calculate(null, null, this) == 1)
                || amount instanceof PermanentsOnBattlefieldCount || amount.toString().equals("1");
        sb.append("draw ").append(oneCard ? "a" : CardUtil.numberToText(amount.toString())).append(" card");
        if (!oneCard) {
            sb.append('s');
        }
        String message = amount.getMessage();
        if (!message.isEmpty()) {
            sb.append(" for each ");
        }
        sb.append(message);
        staticText = sb.toString();
    }

}