<?
ob_start("ob_gzhandler");

include('../includes/mapclass.php');
include('../includes/maps.php');
include('../includes/sqlEmbedded.php');

if (isset($_GET['getmapidsbydate'])) {
	//Remove the ending .js
	$tmp = explode(".", $_GET['getmapidsbydate']);
	$requestDate = $tmp[0];
	sendCacheHeaders();
	echo json_encode(getMapIDsByDate($requestDate));
	exit;
}
if (isset($_GET['mapid'])) {
	//Remove the ending .js
	$tmp = explode(".", $_GET['mapid']);
	$mapID = $tmp[0] * 1;
	if (!is_int($mapID)) exit;
	$map = getMapObjectByID($mapID);
	sendCacheHeaders();
	echo json_encode($map);
	exit;
}

function sendCacheHeaders() {
	$expires = 365*24*60*60;
	//TODO: Remove this line once we're confident in data in the mapObject.
	$expires = 120;
	header("Cache-Control: public, maxage=".$expires);
	header('Expires: ' . gmdate('D, d M Y H:i:s', time()+$expires) . ' GMT');
	header("Content-type: text/javascript");
}

function getMapObjectByID($mapID) {
	include_once('../includes/sqlEmbedded.php');
	include_once('../includes/maps.php');
	$sql = "SELECT `code`, `name`, `mapExpireTime`
		FROM `maps`
		INNER JOIN `mapOfTheDay` ON mapID = maps.ID
		WHERE maps.ID = '$mapID'
		";
	$result = mysql_query($sql);
	if (mysql_num_rows($result) > 0) {
		list($code, $name, $mapExpireTime) = mysql_fetch_row($result);
		$map = new map($code, $mapID);
		$map->name = $name;
		$map->dateExpires = strtotime($mapExpireTime);
		return $map;
	}
}

function getMapIDsByDate($date) {
	global $mysqli;
	$sql = "SELECT MIN(mapOfTheDay.mapId) AS mapId
	FROM `mapOfTheDay`
	INNER JOIN
	(
		SELECT mapType, MIN(mapExpireTime) AS mapExpireTime
		FROM mapOfTheDay
		WHERE mapExpireTime > ?
		AND mapDate <= ?
		GROUP BY mapType
	) AS expireTimes ON mapOfTheDay.mapType = expireTimes.mapType
							AND mapOfTheDay.mapExpireTime = expireTimes.mapExpireTime
	GROUP BY mapOfTheDay.mapType";
	$stmt = $mysqli->prepare($sql);
	$stmt->bind_param("ss", $date, $date);
	$stmt->execute();
	$stmt->bind_result($mapID);
	while ($stmt->fetch()) {
		$ids[] = $mapID;
	}
	return $ids;
}

?>