<?php

function umich_info()

{

  return array('name' => 'University of Michigan',

	       'url' => 'http://umich.edu/',

	       'domains' => array(

				  'umich.edu',

				  ),

	       'student_address' => 'Wolverine',

	       );

}

function umich_instructions_html()

{

  return <<<EOF

<h2>Umich-specific Instructions</h2>

<p>

  SlatePermutate can be a useful tool for scheduling your next semester.

</p>

<ol>

  <li>Get in touch with your advisor during advising/reading recess.</li>

  <li>Look up each class your advisor specified on this course listing page</li>

  <li>Enter each class into a SlatePermutate schedule and add each section that is listed that you are willing to take.</li>

  <li>Submit your schedule and view all of the different permutations of your schedule which would work with the sections you specified.</li>

  <li>Print out your preferred schedule by choosing "print" and selecting a schedule.</li>

  <li>Wait until it's your turn to register and grab your preferred sections before they fill up!</li>

</ol>

EOF;

}

/** Parse html at URL into array, first row is row headers */

function table_parse($url) {

  $arr = array();

  $dom = new DOMDocument;

  $html = file_get_contents($url);

  if(!$html){

    return 1;

  }

  $dom->loadHTML($html);

  $dom->preserveWhiteSpace = false;

  $tables = $dom->getElementsByTagName('table');

  $rows = $tables->item(0)->getElementsByTagName('tr'); // Get first table on page 

  foreach ($rows as $rownum => $row) {

    $cols = $row->getElementsByTagName('td');

    foreach($cols as $colnum => $col){

      $arr[$rownum][$colnum] = $col->nodeValue;

    }

  }

  return $arr;

}

/** Crawls Cedarville course listings. $season is "f" or "s", year is 2-digit year */

function umich_crawl($season, $year) {

  /* Current academic departments. Update as needed. */

  $departments = array('AAPTIS','ACABS','AERO','AEROSP','AMCULT','ANTHRARC','ANTHRBIO','ANTHRCUL','AOSS','APPPHYS','ARCH','ARMENIAN','ARTDES','ASIAN','ASIANLAN','ASTRO','AUTO','BCS','BIOINF','BIOLCHEM','BIOLOGY','BIOMEDE','BIOPHYS','CAAS','CEE','CHE','CHEM','CIC','CICS','CJS','CLARCH','CLCIV','CMPLXSYS','COMM','COMP','COMPLIT','CSP','CZECH','DANCE','DUTCH','ECON','EDCURINS','EDUC','EEB','EECS','ELI','ENGLISH','ENGR','ENSCEN','ENVIRON','ESENG','FRENCH','GEOG','GEOSCI','GERMAN','GREEK','GTBOOKS','HBEHED','HISTART','HISTORY','HJCS','HMP','HONORS','INTMED','IOE','ITALIAN','JAZZ','JUDAIC','KINESLGY','LACS','LATIN','LHC','LHSP','LING','MACROMOL','MATH','MATSCIE','MCDB','MECHENG','MEDADM','MEDCHEM','MEMS','MENAS','MFG','MICROBIOL','MILSCI','MKT','MODGREEK','MOVESCI','MUSEUMS','MUSICOL','MUSMETH','MUSTHTRE','NAVARCH','NAVSCI','NERS','NEUROSCI','NRE','NURS','OMS','ORGSTUDY','PAT','PATH','PHARMACY','PHIL','PHRMACOL','PHYSICS','PHYSIOL','POLISH','POLSCI','PORTUG','PSYCH','PUBHLTH','PUBPOL','RCARTS','RCCORE','RCHUMS','RCIDIV','RCLANG','RCNSCI','RCSSCI','REEES','RELIGION','ROMLANG','ROMLING','RUSSIAN','SAC','SAS','SCAND','SEAS','SI','SLAVIC','SOC','SPANISH','STATS','STDABRD','SWC','TCHNCLCM','THEORY','THTREMUS','UC','UKRAINE','UP','WOMENSTD','YIDDISH');

  $basepath = "http://www.lsa.umich.edu/cg/cg_results.aspx";

  $yearsyn = 1810 + $year; // Weird year synonym name where 2000 == 1800

  $basepath .= "?termArray={$season}_{$year}_${yearsyn}&cgtype=ug"

  $season = strtolower($season);

  $tables = array();

  foreach($departments as $department) {

    $tables[$department] = table_parse($basepath . '&department=' . $department . '&allsections=true&show=1000');

  }

  return $tables;

}