<?php
#########################################################
#														#
#	Main functions to operate pae.co.at site			#
#		written by benjamin ramey						#
#		bsr@rameydesign.net								#
#														#
#	best viewed with:									#
#		resolution = 1280x960							#
#		tab = 4 spaces									#
#		indent = 8 spaces								#
#														#
########################################################################################## main_get_commands
# parameters: none
# returns: array of commands to be executed in order
function main_get_commands()
{
	global $_CLEAN_PATH,$_CONFIG;
	$anchor_pos = strpos($_CLEAN_PATH,'#');												// if this link has an anchor, delete it
	if($anchor_pos !== FALSE) {
		$_CLEAN_PATH = substr($_CLEAN_PATH,0,$anchor_pos);
	}
	$parts = explode('/',$_CLEAN_PATH);
	
	for($c=0; $c <= count($parts)-1; ) {
		if(empty($parts[$c]) or ($parts[$c] == 'pae.php') or ($parts[$c] == 'pae.co.at')) {
			array_splice($parts,$c,1);
		}
		else { $c++; }
	}
	
	$commands = array(	'lang'	=> array_shift($parts),
						'cmd'	=> array_shift($parts),
						'query'	=> $parts );
					
	if((array_search($commands['cmd'],$_CONFIG['commands']) === FALSE)
			or empty($commands['cmd']))
	{
		$commands['cmd'] = 'display';
		$commands['query'] = array('home');
	}
	
	return($commands);
}

########################################################################################## main_sort_schedule_by_month
# parameters: the two elements to compare
# returns: 0 for equavalent, 1 for a > b, -1 for a < b
function main_sort_schedule($a,$b)
{
	global $_NEXT_MONTHS;

	$a_date = explode('.',$a['startdate']);
	$b_date= explode('.',$b['startdate']);
	
	$a_year = $a_date[2];
	$b_year = $b_date[2];

	if($a_year == $b_year)
	{
		# if the years are the same, compare by month
		$a_month = $a_date[1];
		$b_month = $b_date[1];
		
		if($a_month == $b_month)
		{
			# if the month AND year the same, sort by day
			$a_day = $a_date[0];
			$b_day = $b_date[0];
			
			if($a_day == $b_day) { return(0); }
			else if($a_day > $b_day) { return(1); }
			else if($a_day < $b_day) { return(-1); }
		}
		else if($a_month > $b_month) { return(1); }
		else if($a_month < $b_month) { return(-1); }
		
		# if, for some reason, none of the above ifs work,
		# just return that they are equivalent
		return(0);
	}
	else if($a_year > $b_year) { return(1); }
	else if($a_year < $b_year) { return(-1); }
}