#!/usr/bin/perl
use strict;
use CGI::Carp qw(fatalsToBrowser);

use lib qw[/home/wakaba/work/manakai2/lib/];

require 'common.pl';

my $path = $ENV{PATH_INFO};

if ($path eq '/') {
  if ($ENV{REQUEST_METHOD} eq 'POST') {
    require Message::CGI::HTTP;
    require Encode;
    
    my $cgi = Message::CGI::HTTP->new;
    $cgi->{decoder}->{'#default'} = sub {
      return Encode::decode ('utf-8', $_[1]);
    };
    
    my $en = normalize_width ($cgi->get_parameter ('en'));
    my $ja = normalize_width ($cgi->get_parameter ('ja'));
    my $is_pattern = $cgi->get_parameter ('pattern');
    my $tags = [map {normalize ($_)}
                split /[\x0D\x0A]+/,
                normalize_width ($cgi->get_parameter ('tags') // '')];

    my $hash = get_hash ($en);
    my $entry = {en => $en, ja => $ja, tags => $tags,
                 isPattern => $is_pattern};
    
    lock_entry ($hash);
    set_entry ($hash, $is_pattern => $entry);
    commit_entries ("$path: $hash updated by $ENV{REMOTE_USER}");
    
    print "Status: 200 Saved\n";

    my $updates = {$hash => $entry};
    
    binmode STDOUT, ':encoding(utf-8)';
    print "Content-Type: application/json\n\n";
    
    require JSON;
    print scalar JSON::objToJson ($updates);
    exit;
  } else {
    print q[Status: 405 Method Not Allowed
Content-Type: text/plain ; charset=us-ascii
Allow: POST

405];
     exit;
  }
} elsif ($path =~ m#^/([0-9a-f]+)\.json$#) {
  my $hash = $1;
  my $entry = get_entry_or_fallback_entry ($hash);

  binmode STDOUT, ':encoding(utf-8)';
  print "Content-Type: application/json\n\n";
  
  require JSON;
  print scalar JSON::objToJson ($entry);
  exit;
} elsif ($path eq '/updates.json') {
  my $updates = {};
  for (get_modified_hashes ()) {
    $updates->{$_} = get_entry_or_fallback_entry ($_);
  }

  binmode STDOUT, ':encoding(utf-8)';
  print "Content-Type: application/json\n\n";

  require JSON;
  print scalar JSON::objToJson ($updates);
  exit;
}

print q[Content-Type: text/plain ; charset=us-ascii
Status: 404 Not Found

404];

## Author: Wakaba <w@suika.fam.cx>.
## License: Copyright 2008 Wakaba.  You are granted a license to use,
##     reproduce and create derivative works of this script.
## $Date: 2008/11/02 04:49:55 $