<?php
/*****************************************************************************
 * PhotoPage.php
 * Contains the photo page template.
 *
 * Kabuki CMS (C) 2013-2016, Aaron van Geffen
 *****************************************************************************/

class PhotoPage extends SubTemplate
{
	private $photo;
	private $exif;

	public function __construct(Image $photo)
	{
		$this->photo = $photo;
	}

	protected function html_content()
	{
		$this->photoNav();
		$this->photo();

		echo '
				<div id="sub_photo">
					<h2 class="entry-title">', $this->photo->getTitle(), '</h2>';

		$this->taggedPeople();
		$this->linkNewTags();

		echo '
				</div>';

		$this->photoMeta();

		echo '
				<script type="text/javascript" src="', BASEURL, '/js/photonav.js"></script>';
	}

	private function photo()
	{
		echo '
				<div id="photo_frame">
					<a href="', $this->photo->getUrl(), '">';

		if ($this->photo->isPortrait())
			echo '
						<img src="', $this->photo->getThumbnailUrl(null, 960), '" alt="">';
		else
			echo '
						<img src="', $this->photo->getThumbnailUrl(1280, null), '" alt="">';

		echo '
					</a>
				</div>';
	}

	private function photoNav()
	{
		if (false) // $previous_post = $this->post->getPreviousPostUrl())
			echo '
				<a href="', $previous_post, '" id="previous_photo"><em>Previous photo</em></a>';
		else
			echo '
				<span id="previous_photo"><em>Previous photo</em></span>';

		if (false) //$this->post->getNextPostUrl())
			echo '
				<a href="', $next_post, '" id="next_photo"><em>Next photo</em></a>';
		else
			echo '
				<span id="next_photo"><em>Next photo</em></span>';
	}

	private function photoMeta()
	{
		echo '
				<div id="photo_exif_box">
					<h3>EXIF</h3>
					<dl class="photo_meta">';

		if (!empty($this->exif->created_timestamp))
			echo '
						<dt>Date Taken</dt>
						<dd>', date("j M Y, H:i:s", $this->exif->created_timestamp), '</dd>';

		if (!empty($this->exif->camera))
			echo '
						<dt>Model</dt>
						<dd>', $this->exif->camera, '</dd>';

		if (!empty($this->exif->shutter_speed))
			echo '
						<dt>Shutter Speed</dt>
						<dd>', $this->exif->shutterSpeedFraction(), '</dd>';

		if (!empty($this->exif->aperture))
			echo '
						<dt>Aperture</dt>
						<dd>f/', number_format($this->exif->aperture, 1), '</dd>';

		if (!empty($this->exif->focal_length))
			echo '
						<dt>Focal Length</dt>
						<dd>', $this->exif->focal_length, ' mm</dd>';

		if (!empty($this->exif->iso))
			echo '
						<dt>ISO Speed</dt>
						<dd>', $this->exif->iso, '</dd>';

		echo '
					</dl>
				</div>';
	}

	private function taggedPeople()
	{
		echo '
					<h3>Tags</h3>
					<ul>';

		foreach ($this->photo->getTags() as $tag)
		{
			echo '
						<li>
							<a rel="tag" title="View all posts tagged ', $tag->tag, '" href="', $tag->getUrl(), '" class="entry-tag">', $tag->tag, '</a>
						</li>';
		}

		echo '
					</ul>';
	}

	private function linkNewTags()
	{
		echo '
				<div>
					<h3>Link tags</h3>
					<ul id="tag_list">
						<li id="new_tag_container"><input type="text" id="new_tag" placeholder="Type to link a new tag"></li>
					</ul>
				</div>
				<script type="text/javascript" src="', BASEURL, '/js/ajax.js"></script>
				<script type="text/javascript" src="', BASEURL, '/js/autosuggest.js"></script>
				<script type="text/javascript">
					setTimeout(function() {
						var tag_autosuggest = new TagAutoSuggest({
							inputElement: "new_tag",
							listElement: "tag_list",
							baseUrl: "', BASEURL, '",
							appendCallback: function(item) {
								if (document.getElementById("linked_tag_" + item.id_tag)) {
									return;
								}

								var newCheck = document.createElement("input");
								newCheck.type = "checkbox";
								newCheck.name = "tag[" + item.id_tag + "]";
								newCheck.id = "linked_tag_" + item.id_tag;
								newCheck.title = "Uncheck to delete";
								newCheck.checked = "checked";

								var newNode = document.createElement("li");
								newNode.appendChild(newCheck);

								var newLabel = document.createTextNode(item.label);
								newNode.appendChild(newLabel);

								var list = document.getElementById("tag_list");
								var input = document.getElementById("new_tag_container");
								list.insertBefore(newNode, input);
							}
						});
					}, 100);
				</script>';
	}

	public function setExif(EXIF $exif)
	{
		$this->exif = $exif;
	}
}