# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This Source Code Form is "Incompatible With Secondary Licenses", as
# defined by the Mozilla Public License, v. 2.0.

package Bugzilla::BugUrl::Launchpad;

use 5.10.1;
use strict;
use warnings;
use base qw(Bugzilla::BugUrl);

use Bugzilla::Error;

###############################
####        Methods        ####
###############################

sub should_handle {
  my ($class, $uri) = @_;
  return ($uri->authority =~ /launchpad.net$/) ? 1 : 0;
}

sub _check_value {
  my ($class, $uri) = @_;

  $uri = $class->SUPER::_check_value($uri);

  my $value = $uri->as_string;

  # Launchpad bug URLs can look like various things:
  #   https://bugs.launchpad.net/ubuntu/+bug/1234
  #   https://launchpad.net/bugs/1234
  # All variations end with either "/bugs/1234" or "/+bug/1234"
  if ($uri->path =~ m|bugs?/(\d+)$|) {

    # This is the shortest standard URL form for Launchpad bugs,
    # and so we reduce all URLs to this.
    $value = "https://launchpad.net/bugs/$1";
  }
  else {
    ThrowUserError('bug_url_invalid', {url => $value, reason => 'id'});
  }

  return new URI($value);
}

1;
