#!/usr/local/bin/perl

use strict;
use warnings;

use LWP::UserAgent;
use HTTP::Request;
use YAML::XS qw/LoadFile/;

our $api_url = "https://pddimp.yandex.ru/api2/admin";
our $query_options = LoadFile("./yamd_query_options.yml")
	or die "Query parameters file not found\n";
our $task_file = shift or die "Usage: yamd.pl <file.yml>\n";
our $task = %{LoadFile($task_file)}{yamd}
	or die "Unable to open file '$task_file'\n";

foreach my $check ("domain", "token", "service", "query") {
	if (!defined $task->{$check}) {
		die "'$check' is undefined in '$task_file'\n";
	}
}

my $request_url = "";
my $request_type = "";
my $request_content_type = "";

{
	my $service = $task->{service};
	my $sub_service = $task->{sub_service};
	my $query = $task->{query};

	$request_url = $api_url . "/" . $service;
	$request_url .= (defined $sub_service) ? "/" . $sub_service : "";
	$request_url .= "/" . $query;

	if ( $service eq "import" && $query eq "start_import_file" ) {
		$request_url .= "?domain=" . $task->{domain};
		foreach my $k (keys %{$task->{options}}) {
			$request_url .= "&" . $k . "=" . $task->{options}->{$k};
		}
	}

	if (defined $sub_service) {
		$request_type = $query_options->{$service}->{$sub_service}->{$query}->{query_type};
		$request_content_type = $query_options->{$service}->{$sub_service}->{$query}->{content_type};
	} else {
		$request_type = $query_options->{$service}->{$query}->{query_type};
		$request_content_type = $query_options->{$service}->{$query}->{content_type};
	}

	if (!defined $request_content_type) {
		$request_content_type = $query_options->{default_content_type};
	}
}

my $ua = new LWP::UserAgent;
my $request = new HTTP::Request($request_type => $request_url);

if ( $task->{service} eq "domain" &&
		$task->{sub_service} eq "logo" &&
		$task->{query} eq "set" ) {
	my $boundary = 'X';
	my @rand = ('a'..'z', 'A'..'Z');
	for (0..14) { $boundary .= $rand[rand(@rand)]; }

	$request->header(
		'PddToken'     => $task->{token},
		'Content-type' => $request_content_type . "; boundary=" . $boundary
	);

	my $field = new HTTP::Message([
			'Content-Disposition' => 'form-data; name="domain"',
			'Content-Type' => 'text/plain; charset=utf-8'
		]);
	$field->add_content_utf8($task->{domain});
	$request->add_part($field);

	open(my $fh, '<', $task->{options}->{file});
	my $file_content = new HTTP::Message([
			'Content-Disposition' => 'form-data; name="file"; filename="logo"',
			'Content-Type' => 'application/octet-stream'
		]);
	$file_content->add_content($_) while <$fh>;
	$request->add_part($file_content);

	close $fh;
} elsif ( $task->{service} eq "import" &&
		$task->{query} eq "start_import_file" ) {
	my $boundary = 'X';
	my @rand = ('a'..'z', 'A'..'Z');
	for (0..14) { $boundary .= $rand[rand(@rand)]; }

	$request->header(
		'PddToken'     => $task->{token},
		'Content-type' => $request_content_type . "; boundary=" . $boundary
	);

	open(my $fh, '<', $task->{options}->{file});
	my $file_content = new HTTP::Message([
			'Content-Disposition' => 'form-data; name="import_list_file"; filename="import_list_file"',
			'Content-Type' => 'text/plain',
		]);
	$file_content->add_content($_) while <$fh>;

	$request->add_part($file_content);

	close $fh;
} else {
	$request->header(
		'PddToken'     => $task->{token},
		'Content-type' => $request_content_type
	);

	my $request_content = "domain=" . $task->{domain};
	foreach my $k (keys %{$task->{options}}) {
		$request_content .= "&" . $k . "=" . $task->{options}->{$k};
	}

	$request->content($request_content);
}

my $response = $ua->request($request);

if ($response->is_success) {
	print $response->content . "\n\n";
} else {
	print $response->status_line . "\n\n";
}