<?php
	require 'info.php';

	function categories_build($action, $settings, $board) {
		// Possible values for $action:
		//	- all (rebuild everything, initialization)
		//	- news (news has been updated)
		//	- boards (board list changed)

		Categories::build($action, $settings);
	}

	// Wrap functions in a class so they don't interfere with normal Tinyboard operations
	class Categories {
		public static function build($action, $settings) {
			global $config;

			if ($action == 'all')
				file_write($config['dir']['home'] . $settings['file_main'], Categories::homepage($settings));

			if ($action == 'all' || $action == 'boards')
				file_write($config['dir']['home'] . $settings['file_sidebar'], Categories::sidebar($settings));

			if ($action == 'all' || $action == 'news')
				file_write($config['dir']['home'] . $settings['file_news'], Categories::news($settings));
		}

		// Build homepage
		public static function homepage($settings) {
			global $config;
			$query = query("SELECT * FROM ``news`` ORDER BY `time` DESC") or error(db_error());
			$news = $query->fetchAll(PDO::FETCH_ASSOC);
            $stats = Categories::getPostStatistics($settings);
			return Element(
				'themes/categories/frames.html',
				Array(
					'config' => $config,
					'settings' => $settings,
					'categories' => Categories::getCategories($config),
					'news' => $news,
                    'stats' => $stats,
					'boardlist' => createBoardlist(false)

				)
			);
		}

		// Build news page
		public static function news($settings) {
			global $config;

			$query = query("SELECT * FROM ``news`` ORDER BY `time` DESC") or error(db_error());
			$news = $query->fetchAll(PDO::FETCH_ASSOC);

			return Element('themes/categories/news.html', Array(
				'settings' => $settings,
				'config' => $config,
				'news' => $news,
				'boardlist' => createBoardlist(false)
			));
		}

		// Build sidebar
		public static function sidebar($settings) {
			global $config, $board;

			return Element('themes/categories/sidebar.html', Array(
				'settings' => $settings,
				'config' => $config,
				'categories' => Categories::getCategories($config)
			));
		}

		private static function getCategories($config) {
			$categories = $config['categories'];

			foreach ($categories as &$boards) {
				foreach ($boards as &$board) {
					$title = boardTitle($board);
					if (!$title)
						$title = $board; // board doesn't exist, but for some reason you want to display it anyway
					$board = Array('title' => $title, 'uri' => sprintf($config['board_path'], $board));
				}
			}

			return $categories;
		}

        private static function getPostStatistics($settings) {
            $boards = query("SELECT uri FROM ``boards``");
            $unique = Array();
            $pph = 0;

            foreach ($boards->fetchAll() as $_board) {
                $pph_query = query(
                    sprintf("SELECT COUNT(*) AS count FROM ``posts_%s`` WHERE time > %d",
                            $_board['uri'],
                            time()-3600)
                ) or error(db_error());

                $pph += $pph_query->fetch()['count'];

                $unique_query = query(
                    sprintf("SELECT ip FROM ``posts_%s`` WHERE time > %d",
                            $_board['uri'],
                            time()-3600)
                ) or error(db_error());

                foreach ($unique_query->fetchAll() as $_k => $row) {
                    $unique[$row['ip']] = true;
                }
            }

            $unique_ip_count = count($unique);

            return Array('pph' => $pph, 'unique_ip_count' => $unique_ip_count);
        }


	};

?>