<?php
/*****************************************************************************
 * PhotosIndex.php
 * Contains the project index template.
 *
 * Kabuki CMS (C) 2013-2015, Aaron van Geffen
 *****************************************************************************/

class PhotosIndex extends Template
{
	protected $mosaic;
	protected $show_edit_buttons;
	protected $show_headers;
	protected $show_labels;
	protected $row_limit = 1000;
	protected $previous_header = '';
	protected $url_suffix;

	const PANORAMA_WIDTH = 1280;
	const PANORAMA_HEIGHT = null;

	const PORTRAIT_WIDTH = 400;
	const PORTRAIT_HEIGHT = 645;

	const LANDSCAPE_WIDTH = 850;
	const LANDSCAPE_HEIGHT = 640;

	const DUO_WIDTH = 618;
	const DUO_HEIGHT = 412;

	const SINGLE_WIDTH = 618;
	const SINGLE_HEIGHT = 412;

	const TILE_WIDTH = 400;
	const TILE_HEIGHT = 300;

	public function __construct(PhotoMosaic $mosaic, $show_edit_buttons = false, $show_labels = false, $show_headers = true)
	{
		$this->mosaic = $mosaic;
		$this->show_edit_buttons = $show_edit_buttons;
		$this->show_headers = $show_headers;
		$this->show_labels = $show_labels;
	}

	public function html_main()
	{
		echo '
			<div class="tiled_grid clearfix">';

		for ($i = $this->row_limit; $i > 0 && $row = $this->mosaic->getRow(); $i--)
		{
			list($photos, $what) = $row;
			$this->header($photos);
			$this->$what($photos);
		}

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

	protected function header($photos)
	{
		if (!$this->show_headers)
			return;

		$date = $photos[0]->getDateCaptured();
		if (!$date)
			return;

		$header = $date->format('F Y');
		if ($header === $this->previous_header)
			return;

		$name = str_replace(' ', '', strtolower($header));
		echo '
			<h4 class="tiled_header" id="', $name, '">
				<a href="#', $name, '">', $header, '</a>
			</h4>';

		$this->previous_header = $header;
	}

	protected function photo(Image $image, $className, $width, $height, $crop = true, $fit = true)
	{
		echo '
				<div class="', $className, '">';

		if ($this->show_edit_buttons)
			echo '
					<a class="edit" href="', BASEURL, '/editasset/?id=', $image->getId(), '">Edit</a>';

		echo '
					<a href="', $image->getPageUrl(), $this->url_suffix, '#photo_frame">
						<img src="', $image->getThumbnailUrl($width, $height, $crop, $fit), '"';

		// Can we offer double-density thumbs?
		if ($image->width() >= $width * 2 && $image->height() >= $height * 2)
			echo ' srcset="', $image->getThumbnailUrl($width * 2, $height * 2, $crop, $fit), ' 2x"';
		else
			echo ' srcset="', $image->getThumbnailUrl($image->width(), $image->height(), true), ' 2x"';

		echo ' alt="" title="', $image->getTitle(), '" style="width: ', $width, 'px; height: ', $height, 'px">';

		if ($this->show_labels)
			echo '
						<h4>', $image->getTitle(), '</h4>';

		echo '

					</a>
				</div>';
	}

	protected function panorama(array $photos)
	{
		foreach ($photos as $image)
			$this->photo($image, 'panorama', static::PANORAMA_WIDTH, static::PANORAMA_HEIGHT, false, false);
	}

	protected function portrait(array $photos)
	{
		$image = array_shift($photos);

		echo '
				<div class="tiled_row">
					<div class="column_portrait">';

		$this->photo($image, 'portrait', static::PORTRAIT_WIDTH, static::PORTRAIT_HEIGHT, 'centre');

		echo '
					</div>
					<div class="column_tiles_four">';

		foreach ($photos as $image)
			$this->photo($image, 'landscape', static::TILE_WIDTH, static::TILE_HEIGHT, 'centre');

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

	protected function landscape(array $photos)
	{
		$image = array_shift($photos);

		echo '
				<div class="tiled_row">
					<div class="column_landscape">';

		$this->photo($image, 'landscape', static::LANDSCAPE_WIDTH, static::LANDSCAPE_HEIGHT, 'top');

		echo '
					</div>
					<div class="column_tiles_two">';

		foreach ($photos as $image)
			$this->photo($image, 'landscape', static::TILE_WIDTH, static::TILE_HEIGHT, 'top');

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

	protected function duo(array $photos)
	{
		echo '
				<div class="tiled_row">';

		foreach ($photos as $image)
			$this->photo($image, 'duo', static::DUO_WIDTH, static::DUO_HEIGHT, true);

		echo '
				</div>';
	}

	protected function single(array $photos)
	{
		echo '
				<div class="tiled_row">';

		$image = array_shift($photos);
		$this->photo($image, 'single', static::SINGLE_WIDTH, static::SINGLE_HEIGHT, 'top');

		echo '
				</div>';
	}

	protected function row(array $photos)
	{
		echo '
				<div class="tiled_row">';

		foreach ($photos as $image)
			$this->photo($image, 'landscape', static::TILE_WIDTH, static::TILE_HEIGHT, true);

		echo '
				</div>';
	}

	protected function portraits(array $photos)
	{
		echo '
				<div class="tiled_row">';

		foreach ($photos as $image)
			$this->photo($image, 'portrait', static::PORTRAIT_WIDTH, static::PORTRAIT_HEIGHT, true);

		echo '
				</div>';
	}

	public function setUrlSuffix($suffix)
	{
		$this->url_suffix = $suffix;
	}
}