<?php
if (!defined('TINYIB_BOARD')) {
	die('');
}

// Post Functions
function uniquePosts() {
	global $db;
	return $db->querySingle("SELECT COUNT(ip) FROM (SELECT DISTINCT ip FROM " . TINYIB_DBPOSTS . ")");
}

function postByID($id) {
	global $db;
	$result = $db->query("SELECT * FROM " . TINYIB_DBPOSTS . " WHERE id = '" . $db->escapeString($id) . "' LIMIT 1");
	while ($post = $result->fetchArray()) {
		return $post;
	}
}

function threadExistsByID($id) {
	global $db;
	return $db->querySingle("SELECT COUNT(*) FROM " . TINYIB_DBPOSTS . " WHERE id = '" . $db->escapeString($id) . "' AND parent = 0 LIMIT 1") > 0;
}

function insertPost($post) {
	global $db;
	$db->exec("INSERT INTO " . TINYIB_DBPOSTS . " (parent, timestamp, bumped, ip, name, tripcode, email, nameblock, subject, message, password, file, file_hex, file_original, file_size, file_size_formatted, image_width, image_height, thumb, thumb_width, thumb_height) VALUES (" . $post['parent'] . ", " . time() . ", " . time() . ", '" . $_SERVER['REMOTE_ADDR'] . "', '" . $db->escapeString($post['name']) . "', '" . $db->escapeString($post['tripcode']) . "',	'" . $db->escapeString($post['email']) . "',	'" . $db->escapeString($post['nameblock']) . "', '" . $db->escapeString($post['subject']) . "', '" . $db->escapeString($post['message']) . "', '" . $db->escapeString($post['password']) . "', '" . $post['file'] . "', '" . $post['file_hex'] . "', '" . $db->escapeString($post['file_original']) . "', " . $post['file_size'] . ", '" . $post['file_size_formatted'] . "', " . $post['image_width'] . ", " . $post['image_height'] . ", '" . $post['thumb'] . "', " . $post['thumb_width'] . ", " . $post['thumb_height'] . ")");
	return $db->lastInsertRowID();
}

function approvePostByID($id) {
	global $db;
	$db->exec("UPDATE " . TINYIB_DBPOSTS . " SET moderated = 1 WHERE id = " . $id);
}

function bumpThreadByID($id) {
	global $db;
	$db->exec("UPDATE " . TINYIB_DBPOSTS . " SET bumped = " . time() . " WHERE id = " . $id);
}

function stickyThreadByID($id, $setsticky) {
	global $db;
	$db->exec("UPDATE " . TINYIB_DBPOSTS . " SET stickied = '" . $db->escapeString($setsticky) . "' WHERE id = " . $id);
}

function lockThreadByID($id, $setlock) {
	global $db;
	$db->exec("UPDATE " . TINYIB_DBPOSTS . " SET locked = '" . $db->escapeString($setlock) . "' WHERE id = " . $id);
}

function countThreads() {
	global $db;
	return $db->querySingle("SELECT COUNT(*) FROM " . TINYIB_DBPOSTS . " WHERE parent = 0");
}

function allThreads() {
	global $db;
	$threads = array();
	$result = $db->query("SELECT * FROM " . TINYIB_DBPOSTS . " WHERE parent = 0 ORDER BY stickied DESC, bumped DESC");
	while ($thread = $result->fetchArray()) {
		$threads[] = $thread;
	}
	return $threads;
}

function numRepliesToThreadByID($id) {
	global $db;
	return $db->querySingle("SELECT COUNT(*) FROM " . TINYIB_DBPOSTS . " WHERE parent = " . $id);
}

function postsInThreadByID($id, $moderated_only = true) {
	global $db;
	$posts = array();
	$result = $db->query("SELECT * FROM " . TINYIB_DBPOSTS . " WHERE id = " . $id . " OR parent = " . $id . " ORDER BY id ASC");
	while ($post = $result->fetchArray()) {
		$posts[] = $post;
	}
	return $posts;
}

function imagesInThreadByID($id, $moderated_only = true) {
	$images = 0;
	$posts = postsInThreadByID($id, false);
	foreach ($posts as $post) {
		if ($post['file'] != '') {
			$images++;
		}
	}
	return $images;
}

function postsByHex($hex) {
	global $db;
	$posts = array();
	$result = $db->query("SELECT id, parent FROM " . TINYIB_DBPOSTS . " WHERE file_hex = '" . $db->escapeString($hex) . "' LIMIT 1");
	while ($post = $result->fetchArray()) {
		$posts[] = $post;
	}
	return $posts;
}

function latestPosts($moderated = true) {
	global $db;
	$posts = array();
	$result = $db->query("SELECT * FROM " . TINYIB_DBPOSTS . " ORDER BY timestamp DESC LIMIT 10");
	while ($post = $result->fetchArray()) {
		$posts[] = $post;
	}
	return $posts;
}

function deletePostByID($id) {
	global $db;
	$posts = postsInThreadByID($id, false);
	foreach ($posts as $post) {
		if ($post['id'] != $id) {
			deletePostImages($post);
			$db->exec("DELETE FROM " . TINYIB_DBPOSTS . " WHERE id = " . $post['id']);
		} else {
			$thispost = $post;
		}
	}
	if (isset($thispost)) {
		if ($thispost['parent'] == TINYIB_NEWTHREAD) {
			@unlink('res/' . $thispost['id'] . '.html');
		}
		deletePostImages($thispost);
		$db->exec("DELETE FROM " . TINYIB_DBPOSTS . " WHERE id = " . $thispost['id']);
	}
}

function trimThreads() {
	global $db;
	if (TINYIB_MAXTHREADS > 0) {
		$result = $db->query("SELECT id FROM " . TINYIB_DBPOSTS . " WHERE parent = 0 ORDER BY stickied DESC, bumped DESC LIMIT " . TINYIB_MAXTHREADS . ", 10");
		while ($post = $result->fetchArray()) {
			deletePostByID($post['id']);
		}
	}
}

function lastPostByIP() {
	global $db;
	$result = $db->query("SELECT * FROM " . TINYIB_DBPOSTS . " WHERE ip = '" . $_SERVER['REMOTE_ADDR'] . "' ORDER BY id DESC LIMIT 1");
	while ($post = $result->fetchArray()) {
		return $post;
	}
}

// Ban Functions
function banByID($id) {
	global $db;
	$result = $db->query("SELECT * FROM " . TINYIB_DBBANS . " WHERE id = '" . $db->escapeString($id) . "' LIMIT 1");
	while ($ban = $result->fetchArray()) {
		return $ban;
	}
}

function banByIP($ip) {
	global $db;
	$result = $db->query("SELECT * FROM " . TINYIB_DBBANS . " WHERE ip = '" . $db->escapeString($ip) . "' LIMIT 1");
	while ($ban = $result->fetchArray()) {
		return $ban;
	}
}

function allBans() {
	global $db;
	$bans = array();
	$result = $db->query("SELECT * FROM " . TINYIB_DBBANS . " ORDER BY timestamp DESC");
	while ($ban = $result->fetchArray()) {
		$bans[] = $ban;
	}
	return $bans;
}

function insertBan($ban) {
	global $db;
	$db->exec("INSERT INTO " . TINYIB_DBBANS . " (ip, timestamp, expire, reason) VALUES ('" . $db->escapeString($ban['ip']) . "', " . time() . ", '" . $db->escapeString($ban['expire']) . "', '" . $db->escapeString($ban['reason']) . "')");
	return $db->lastInsertRowID();
}

function clearExpiredBans() {
	global $db;
	$result = $db->query("SELECT * FROM " . TINYIB_DBBANS . " WHERE expire > 0 AND expire <= " . time());
	while ($ban = $result->fetchArray()) {
		$db->exec("DELETE FROM " . TINYIB_DBBANS . " WHERE id = " . $ban['id']);
	}
}

function deleteBanByID($id) {
	global $db;
	$db->exec("DELETE FROM " . TINYIB_DBBANS . " WHERE id = " . $db->escapeString($id));
}