<?php

/**
 * Textile - A Humane Web Text Generator.
 *
 * @link https://github.com/textile/php-textile
 */

/*
 * Copyright (c) 2016-2017, Netcarver https://github.com/netcarver
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * * 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.
 *
 * * Neither the name Textile nor the names of its contributors may be used to
 * endorse or promote products derived from this software without specific
 * prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

namespace Netcarver\Textile;

/**
 * Simple data storage.
 *
 * This class allows storing assignments in an internal
 * data array.
 *
 * bc. use Netcarver\Textile\DataBag;
 * $plant = new DataBag(array('key' => 'value'));
 * $plant->flower('rose')->color('red');
 *
 * @internal
 */
class DataBag
{
    /**
     * The data array stored in the bag.
     *
     * @var array<string, int|string>
     */
    protected $data;

    /**
     * Constructor.
     *
     * @param array<string, string|int>|null $data The initial data array stored in the bag
     */
    public function __construct($data = null)
    {
        $this->data = (array) $data;
    }

    /**
     * Adds a value to the bag.
     *
     * Empty values are rejected, unless the
     * second argument is set TRUE.
     *
     * bc. use Netcarver\Textile\DataBag;
     * $plant = new DataBag(array('key' => 'value'));
     * $plant->flower('rose')->color('red')->emptyValue(false, true);
     *
     * @param string $name The name
     * @param array<int, int|string> $params Arguments
     * @return DataBag
     */
    public function __call($name, array $params)
    {
        if (!empty($params[1]) || !empty($params[0])) {
            $this->data[$name] = $params[0];
        }

        return $this;
    }
}
