#!/usr/bin/env perl

use 5.008;

use strict;
use warnings;

use lib 'lib';

use Data::Dumper;
use Getopt::Long;
use GeoIP2::WebService::Client;
use Try::Tiny;

sub main {
    my %opts = ( service => 'country' );

    GetOptions(
        'user-id:s'     => \$opts{user_id},
        'license-key:s' => \$opts{license_key},
        'ip-address:s'  => \$opts{ip},
        'service:s'     => \$opts{service},
        'host:s'        => \$opts{host},
        'help'          => \$opts{help},
    );

    if ( $opts{help} ) {
        _help();
        exit 0;
    }

    unless ( $opts{user_id} && $opts{license_key} && $opts{ip} ) {
        _help('You must provide a user ID, license key, and IP address.');
        exit 1;
    }

    my $service = delete $opts{service} // 'country';

    unless ( GeoIP2::WebService::Client->can($service) ) {
        _help("The service you asked for ($service) does not exist.");
        exit 1;
    }

    my $ip = delete $opts{ip};

    for my $k ( keys %opts ) {
        delete $opts{$k} unless defined $opts{$k};
    }

    my $client = GeoIP2::WebService::Client->new(%opts);

    my $model;
    try {
        $model = $client->$service( ip => $ip );
    }
    catch {
        warn "\n** Got an error when trying to look up the IP '$ip'\n\n";
        warn '     Message:        ', $_->message(), "\n";
        if ( $_->can('code') ) {
            warn '     Code:           ', $_->code(), "\n";
        }
        if ( $_->can('http_status') ) {
            warn '     HTTP Status:    ', $_->http_status(), "\n";
        }

        exit 2;
    };

    {
        local $Data::Dumper::Terse     = 1;
        local $Data::Dumper::Indent    = 1;
        local $Data::Dumper::Useqq     = 1;
        local $Data::Dumper::Deparse   = 1;
        local $Data::Dumper::Quotekeys = 0;
        local $Data::Dumper::Sortkeys  = 1;
        print Dumper( $model->raw() );
    }

    exit 0;
}

sub _help {
    my $error = shift;

    print "\n** $error\n\n" if $error;

    print <<'EOF';
web-service-request --user-id [id] --license-key [key] --ip-address [ip]

  This script will query the MaxMind GeoIP web service for information about
  the given IP address.

  It accepts the following options:

    --user-id        Your MaxMind user ID (required)
    --license-key    Your MaxMind license key (required)
    --ip-address     The IP address to look up (required)
    --service        One of country, city, city_isp_org, or omni. Defaults to country.
    --host           The host to use. Defaults to geoip.maxmind.com.

EOF
}

main();