<?php

class CustomIndexTheme extends IndexTheme {
	/**
	 * @param Page $page
	 * @param Image[] $images
	 */
	public function display_page(Page $page, $images) {
		global $config;

		if(count($this->search_terms) == 0) {
			$query = null;
			$page_title = $config->get_string('title');
		}
		else {
			$search_string = implode(' ', $this->search_terms);
			$query = url_escape($search_string);
			$page_title = html_escape($search_string);
		}

		$nav = $this->build_navigation($this->page_number, $this->total_pages, $this->search_terms);
		$page->set_title($page_title);
		$page->set_heading($page_title);
		$page->add_block(new Block("Search", $nav, "left", 0));
		if(count($images) > 0) {
			if($query) {
				$page->add_block(new Block("Images", $this->build_table($images, "search=$query"), "main", 10));
				$this->display_paginator($page, "post/list/$query", null, $this->page_number, $this->total_pages);
			}
			else {
				$page->add_block(new Block("Images", $this->build_table($images, null), "main", 10));
				$this->display_paginator($page, "post/list", null, $this->page_number, $this->total_pages);
			}
		}
		else {
			$page->add_block(new Block("No Images Found", "No images were found to match the search criteria"));
		}
	}

	/**
	 * @param int $page_number
	 * @param int $total_pages
	 * @param string[] $search_terms
	 * @return string
	 */
	protected function build_navigation($page_number, $total_pages, $search_terms) {
		$h_search_string = count($search_terms) == 0 ? "" : html_escape(implode(" ", $search_terms));
		$h_search_link = make_link();
		$h_search = "
			<p><form action='$h_search_link' method='GET'>
				<input name='search' type='text' value='$h_search_string' class='autocomplete_tags' placeholder=''  style='width:75%'/>
				<input type='submit' value='Go' style='width:20%'>
				<input type='hidden' name='q' value='/post/list'>
			</form>
			<div id='search_completions'></div>";

		return $h_search;
	}

	/**
	 * @param Image[] $images
	 * @param string $query
	 * @return string
	 */
	protected function build_table($images, $query) {
		$h_query = html_escape($query);
		$table = "<div class='shm-image-list' data-query='$h_query'>";
		foreach($images as $image) {
			$table .= "\t<span class=\"thumb\">" . $this->build_thumb_html($image) . "</span>\n";
		}
		$table .= "</div>";
		return $table;
	}
}