# -*- mode: perl -*-
use utf8; # this file contains utf8 strings.
do "$ENV{OMHOME}/omecp.pl";

$CookieName    = 'ECwiki';
$SiteName      = 'EmacsConf';
$HomePage      = 'main';
$RCName        = "recent_changes";
$FullUrl       = 'https://emacsconf.org';
$ScriptName    = "$FullUrl";
# $LogoUrl       = '/s/emacsconf-logo1-64.png';
$StyleSheet    = '/s/ecom.css';
$UploadAllowed = 1;

#$SurgeProtectionTime = 10;
#$SurgeProtectionViews = 50;

# As we're now behind a caching proxy, the environment variable
# REMOTE_ADDR is no longer what we want. We now want
# HTTP_X_FORWARDED_FOR.
$ENV{REMOTE_ADDR} = $ENV{HTTP_X_FORWARDED_FOR};

$HtmlHeaders .= '<link rel="icon" href="/s/emacsconf-logo1-256.png" type="image/png"/>'
  . '<meta name=viewport content="width=device-width, initial-scale=0.86, maximum-scale=3.0, minimum-scale=0.86"/>';

$SmartTitlesBrowserTitle = '%s - %s - %s';
$SmartTitlesBrowserTitleWithoutSubtitle = '%s - %s';

$FooterNote = '<p>Permission is granted to copy, distribute and/or
modify this document under the terms of the
<a href="https://www.gnu.org/licenses/fdl-1.3-standalone.html">GNU Free Documentation License</a>,
Version 1.3 or any later version published by the
<a href="https://www.fsf.org/">Free Software Foundation</a>.</p>
<p style="font-size:70%"><a href="https://emacsconf.org/colophon">Colophon</a></p>';

$UrlProtocols .= "|data|xmpp";

@UserGotoBarPages = ($RCName);
# $UserGotoBar = '<a class="local" href="https://emacsconf.org/2019/">2019</a>';

$UserGotoBarPrev = '<a class="local" href="https://emacsconf.org">EmacsConf</a>';
sub GetGotoBar {
  my $id = shift;
  return $q->span({-class=>'gotobar bar'},
    $UserGotoBarPrev,
    (map { GetPageLink($_) } @UserGotoBarPages),
    $UserGotoBar);
}

# Allow namespaces starting with a digit
# From https://github.com/kensanata/oddmuse/issues/19#issuecomment-503984930
$InterSitePattern = '[\p{Uppercase}\d][\w_  ]*';
# Redefine these as well if you change $InterSitePattern since InitLinkPatterns is called before InitConfig!
$InterLinkPattern = "($InterSitePattern:[-a-zA-Z0-9\x{0080}-\x{fffd}_=!?#\$\@~`\%&*+\\/:;.,]*[-a-zA-Z0-9\x{0080}-\x{fffd}_=#\$\@~`\%&*+\\/])$QDelim";
$FreeInterLinkPattern = "($InterSitePattern:[-a-zA-Z0-9\x{0080}-\x{fffd}_=!?#\$\@~`\%&*+\\/:;.,()' ]+)";

# Link to author page at the root namespace
# From https://github.com/kensanata/oddmuse/issues/20#issuecomment-500402339
sub GetAuthorLink {
  my ($username, $host) = @_;
  $username = FreeToNormal($username);
  $username =~ s/^(?:$InterSitePattern:)?$FreeLinkPattern/$1/;
  my $name = NormalToFree($username);
  if (ValidId($username) ne '') { # ValidId() returns error string
    $username = '';     # Just pretend it isn't there.
  }
  if ($username) {
    local $ScriptName = $NamespacesRoot;
    return ScriptLink(UrlEncode($username), $name, 'author');
  }
  return T('Anonymous') if $host eq 'Anonymous';
  return ColorCode($host);
}

# Fix visiting Main:X if the page doesn't exist but namespace X does.
# Redirect!
# From https://github.com/kensanata/oddmuse/issues/19#issuecomment-513640039
push(@MyInitVariables, \&MyNamespacesFix);
sub MyNamespacesFix {
  if (not GetParam('title', '')
      and GetParam('action', 'browse') eq 'browse') {
    my $id = FreeToNormal(GetId());
    if (not $NamespaceCurrent
        and (not $IndexHash{$id}
             or OpenPage($id) and PageMarkedForDeletion())
        and $Namespaces{$id}) {
      print GetRedirectPage("$id/", NormalToFree($id));
      exit;
    }
  }
};

@QuestionaskerQuestions =
  (['Please say HELLO.' => sub {
      shift =~ /^\s*(hello*|hewo*|hi*|h(i|e)ya*)!*\s*$/i }],
  );

# If enabling Markdown, to allow users to switch between Creole and Markdown
# see https://oddmuse.org/wiki/Creole_or_Markdown

$CommentsPrefix = 'comments_on_';

# Add 'Back to ' prefix to the link back to the article
# with adaptation from https://oddmuse.org/wiki/Comments_on_Comment_Pages
*MyOldGetFooterLinks = *GetFooterLinks;
*GetFooterLinks = *MyNewGetFooterLinks;

sub MyNewGetFooterLinks {
  my $html = MyOldGetFooterLinks(@_);
  my ($id, $rev) = @_;
  if ($id and $rev ne 'history' and $rev ne 'edit'
      and $CommentsPrefix) {
    if ($id =~ /^$CommentsPrefix(.*)/o) {
      my $from = NormalToFree($1);
      my $to = T('Back to ') . $from;
      $html =~ s/>$from</ accesskey="a">$to</;
    } else {
      my $from = NormalToFree($CommentsPrefix);
      my $to = T('Comments on ');
      $html =~ s/$from/$to/;
    }
  }
  # $html =~ s!</div>! <a class="local" href="https://emacsconf.org/colophon">Colophon</a></div>!;
  return $html;
}

# [[vid:addr]] rule for embedding videos
push(@MyRules, \&VidRule);

sub VidRule{
  if (/\G\[\[vid:(\d+\/[a-z0-9-_\.]*)\]\]/cgi) {
    my $vid = $1;
    return qq{
<video controls preload="metadata">
  <source src="/videos/$vid" type="video/mp4">
</video><br/>
<a href="/videos/$vid" download>Download</a>};
  }
  return;
}

# [[vidlink:addr]] rule for linking to videos
push(@MyRules, \&VidLinkRule);

sub VidLinkRule{
  if (/\G\[\[vidlink:(\d+\/[a-z0-9-_\.]*)\|(.*)\]\]/cgi) {
    my ($vid, $cap) = ($1, $2);
    return qq{<a href="/videos/$vid">$cap</a>};
  }
  return;
}