<?php declare(strict_types=1);

class Layout
{
    public function display_page(Page $page)
    {
        global $config;

        $theme_name = $config->get_string(SetupConfig::THEME, 'default');
        $data_href = get_base_href();
        $contact_link = contact_link();
        $header_html = $page->get_all_html_headers();

        $left_block_html = "";
        $main_block_html = "";
        $sub_block_html = "";

        foreach ($page->blocks as $block) {
            switch ($block->section) {
                case "left":
                    $left_block_html .= $block->get_html(true);
                    break;
                case "main":
                    $main_block_html .= $block->get_html(false);
                    break;
                case "subheading":
                    $sub_block_html .= $block->body; // $this->block_to_html($block, true);
                    break;
                default:
                    print "<p>error: {$block->header} using an unknown section ({$block->section})";
                    break;
            }
        }

        $debug = get_debug_info();

        $contact = empty($contact_link) ? "" : "<br><a href='$contact_link'>Contact</a>";

        if (empty($page->subheading)) {
            $subheading = "";
        } else {
            $subheading = "<div id='subtitle'>{$page->subheading}</div>";
        }

        if ($page->left_enabled) {
            $left = "<nav>$left_block_html</nav>";
            $withleft = "withleft";
        } else {
            $left = "";
            $withleft = "";
        }

        $flash_html = $page->flash ? "<b id='flash'>".nl2br(html_escape(implode("\n", $page->flash)))."</b>" : "";

        print <<<EOD
<!doctype html>
<!--[if lt IE 7]> <html class="no-js lt-ie9 lt-ie8 lt-ie7" lang="en"> <![endif]-->
<!--[if IE 7]>    <html class="no-js lt-ie9 lt-ie8" lang="en"> <![endif]-->
<!--[if IE 8]>    <html class="no-js lt-ie9" lang="en"> <![endif]-->
<!--[if gt IE 8]><!--> <html class="no-js" lang="en"> <!--<![endif]-->
	<head>
		<title>{$page->title}</title>
$header_html
		<script src='$data_href/themes/$theme_name/script.js' type='text/javascript'></script>
	</head>

	<body>
		<header>
			<h1>{$page->heading}</h1>
			$subheading
			$sub_block_html
		</header>
		$left
		<article class="$withleft">
			$flash_html
			$main_block_html
		</article>
		<footer>
			<hr>
			Images &copy; their respective owners,
			<a href="https://code.shishnet.org/shimmie2/">Shimmie</a> &copy;
			<a href="https://www.shishnet.org/">Shish</a> &amp;
			<a href="https://github.com/shish/shimmie2/graphs/contributors">The Team</a>
			2007-2019,
			based on the Danbooru concept.
			<br>Futaba theme based on 4chan's layout and CSS :3
			$debug
			$contact
		</footer>
	</body>
</html>
EOD;
    }
}