use strict;
use JSON;
use LWP::Simple;

my $id = shift;

my $url = sprintf( 'http://mapit.mysociety.org/area/%s/geometry', $id);

my $json = get( $url );
my $geo = decode_json( $json );

my $max_lat = $geo->{max_lat};
my $min_lat = $geo->{min_lat};
my $max_lon = $geo->{max_lon};
my $min_lon = $geo->{min_lon};
my $c_lat = $geo->{centre_lat};
my $c_lon = $geo->{centre_lon};

my $spn_lat = $max_lat - $min_lat;
my $spn_lon = $max_lon - $min_lon;

print <<"EOT";
    centre => '$c_lat,$c_lon',
    span   => '$spn_lat,$spn_lon',
    bounds => [ '$min_lat,$min_lon','$max_lat,$max_lon' ],
EOT