# 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 QA::REST;

use 5.10.1;
use strict;
use warnings;

use FindBin qw($RealBin);
use lib "$RealBin/../../lib", "$RealBin/../../../local/lib/perl5";

use autodie;

use LWP::UserAgent;
use JSON;
use QA::Util;

use parent qw(LWP::UserAgent Exporter);

@QA::REST::EXPORT = qw(
    MUST_FAIL
    get_rest_client
);

use constant MUST_FAIL => 1;

sub get_rest_client {
    my $rest_client = LWP::UserAgent->new( ssl_opts => { verify_hostname => 0 } );
    bless($rest_client, 'QA::REST');
    my $config = $rest_client->{bz_config} = get_config();
    $rest_client->{bz_url} = $config->{browser_url} . '/' . $config->{bugzilla_installation} . '/rest/';
    $rest_client->{bz_default_headers} = {'Accept' => 'application/json', 'Content-Type' => 'application/json'};
    return $rest_client;
}

sub bz_config { return $_[0]->{bz_config}; }

sub call {
    my ($self, $method, $data, $http_verb, $expect_to_fail) = @_;
    $http_verb = lc($http_verb || 'GET');
    $data //= {};

    my %args = %{ $self->{bz_default_headers} };
    # We do not pass the API key in the URL, so that it's not logged by the web server.
    if ($http_verb eq 'get' && $data->{api_key}) {
        $args{'X-BUGZILLA-API-KEY'} = $data->{api_key};
    }
    elsif ($http_verb ne 'get') {
        $args{Content} = encode_json($data);
    }

    my $response = $self->$http_verb($self->{bz_url} . $method, %args);
    my $res = decode_json($response->decoded_content);
    if ($response->is_success xor $expect_to_fail) {
        return $res;
    }
    else {
        die 'error ' . $res->{code} . ': ' . $res->{message} . "\n";
    }
}