#!/usr/bin/php
<?php
ini_set("include_path", "/etc/diogenes:/usr/share/diogenes/include:/usr/share/php");
require_once("diogenes.common.inc.php");
require_once("diogenes.script.inc.php");
require_once("System.php");
require_once("Barrel.php");

/** Import a single Perl POD file.
 *
 * @param $caller
 * @param $pod
 * @param $docdir
 * @param $docbase
 * @param $template
 */
function importPod(&$caller, $pod, $docdir, $docbase, $template = '')
{
  global $globals;
  $barrel =& $caller->barrel;

  $pid = $barrel->makePath($docdir, $caller);
  $page = Diogenes_Barrel_Page::fromDb($barrel, $pid);
  if (!$page->props['PID']) {
    echo "failed to get Page $pid\n";
    exit(1);
  }

  # produce HTML from POD
  $pod = realpath($pod);
  if (($tmpdir = System::mktemp('-d')) == false) {
    $this->kill("Error : could not create temporary directory!");
  }
  $content = shell_exec("cd $tmpdir && pod2html --htmlroot=FOODOCBASE --infile=".escapeshellarg($pod));
  $content = str_replace('<hr />', '', $content);
  $content = preg_replace('/FOODOCBASE(.*).html/', "/$docbase$1/", $content);
  
  # extract title
  if (preg_match("/<title>(.*)<\/title>/si", $content, $matches))
  {
    $page->props['title'] = addslashes($matches[1]);
    if ($template)
      $page->props['template'] = $template;
    $page->toDb(0, $caller);
  }
 
  # strip un-needed info
  $rcs = $caller->getRcs();
  $content = $rcs->importHtmlString($content); 
  if (preg_match("/<h1><a name=\"synopsis\">.*/si", $content, $matches))
    $content = $matches[0];

  $content = str_replace("h1>", "h2>", $content);
  $rcs->commit($pid,$globals->htmlfile,$content,"automatic import");
}


/** Import a set of Perl POD files.
 *
 * @param $caller
 * @param $docarray
 * @param $docbase
 * @param $template
 */
function importPods(&$caller, $docarray, $docbase, $template = '')
{
  foreach ($docarray as $pod => $docdir)
  {
    importPod($caller, $pod, $docdir, $docbase, $template);
  }
}


/** Print program usage and exit.
 */
function usage()
{
  echo "Usage: pod2diogenes [options] barrel podmap\n\n";
  echo "Options\n\n";
  echo "  -b<docbase>   the base URL for Perl docs (default: '')\n";
  echo "  -h            display help message\n";
  echo "  -t<template>  set page template to <template>\n";
  echo "  -u<user>      make commits as <user> (default : current user)\n";
  exit(1);
}


/** Parse a podmap file.
 */
function parsePodmap($mapfile)
{
  if (!($fp = fopen($mapfile, "r")))
  {
    echo "could not open '$mapfile'\n";
    return;
  }
  $podmap = array();
  while ($line = fgets($fp))
  {
    $bits = preg_split('/\s+/', $line, -1, PREG_SPLIT_NO_EMPTY);
    $podmap[$bits[0]] = $bits[1];
    
  }
  fclose($fp);
  return $podmap;
}


function main()
{
  global $argv;

  // set defaults
  $docbase = '';
  $user = get_current_user();
  $template = '';
  
  // parse options
  $opts = Console_GetOpt::getopt($argv, "b:hu:t:");
  if ( PEAR::isError($opts) ) {
    echo $opts->getMessage();
    usage();
  } else {
    $argv = $opts[1];
    $opts = $opts[0];
    foreach ( $opts as $opt) {
      switch ($opt[0]) {
      case "h":
        usage();
        break;
      case "b":
        $docbase = $opt[1];
        break;
      case "u":
        $user = $opt[1];
        break;
      case "t":
        $template = $opt[1];
        break;
      }
    }
  }
  if (sizeof($argv) != 2) 
    usage();
  list($alias, $mapfile) = $argv;

  // parse the podmap file
  if (!($podmap = parsePodmap($mapfile)))
  {
    echo "failed to parse '$mapfile'\n";
    exit(1);
  }

  // perform the actual work
  $script = new Diogenes_Script($alias, $user);
  importPods($script, $podmap, $docbase, $template);
}

main();
?>