<?php
/**
 * link.php
 *
 * Copyright 2018 Andy Street <andy@street.me.uk>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 *
 *
 */

namespace libgpx;

/**
 * A link to an external resource (Web page, digital photo, video clip, etc)
 * with additional information.
 *
 * @see https://www.topografix.com/GPX/1/1/#type_linkType
 *
 * @author Andy Street <andy@street.me.uk>
 */
class Link
{

  /**
   * URL of hyperlink.
   *
   * @var string
   */
  protected $href;

  /**
   * Text of hyperlink.
   *
   * @var string
   */
  protected $text;

  /**
   * Mime type of content (image/jpeg).
   *
   * @var string
   */
  protected $type;

  /**
   * Create a new link.
   *
   * @param string $href The URL of the link.
   */
  public function __construct(string $href)
  {
    $this->setHref($href);
  }

  /**
   * Fetch the URL of the link.
   *
   * @return string
   */
  public function getHref()
  {
    return $this->href;
  }

  /**
   * Set the URL of the link.
   *
   * @param string $href The URL of the link.
   * @return void
   */
  public function setHref(string $href)
  {
    $this->href = $href;
  }

  /**
   * Fetch the text of the hyperlink.
   *
   * @return string|null The text or null if not set.
   */
  public function getText()
  {
    return $this->text;
  }

  /**
   * Set the text of the hyperlink.
   *
   * @param string|null $text The text of the link or null to delete.
   * @return void
   */
  public function setText(string $text = null)
  {
    $this->text = $text;
  }

  /**
   * Fetch the mime type of the hyperlink.
   *
   * @return string|null The mime type or null if not set.
   */
  public function getType()
  {
    return $this->type;
  }

  /**
   * Set the mime type of the hyperlink.
   *
   * @param string|null $type The mime type of the link or null to delete.
   * @return void
   */
  public function setType(string $type = null)
  {
    $this->type = $type;
  }

}