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#!/usr/bin/env perl
use strict;
use warnings;
use 5.010;

our $VERSION = '0.00';

use Getopt::Long qw(:config no_ignore_case);
use List::Util qw(max);
use Travel::Status::DE::VRR;

my ( $date, $time );
my @output;

binmode( STDOUT, ':encoding(utf-8)' );

GetOptions(
	'd|date=s'  => \$date,
	'h|help'    => sub { show_help(0) },
	't|time=s'  => \$time,
	'V|version' => \&show_version,

) or show_help(1);

if ( @ARGV != 2 ) {
	show_help(1);
}

my ( $place, $station ) = @ARGV;

my $status = Travel::Status::DE::VRR->new(
	date  => $date,
	place => $place,
	name  => $station,
	time  => $time,
);

sub show_help {
	my ($code) = @_;

	print "Usage: efa-m [-d <dd.mm.yyyy>] [-t <hh:mm>] <city> <station>\n"
	  . "See also: man efa-m\n";

	exit $code;
}

sub show_version {
	say "efa-m version ${VERSION}";

	exit 0;
}

sub display_result {
	my (@lines) = @_;

	my @line_length;

	if ( not @lines ) {
		die("Nothing to show\n");
	}

	for my $i ( 0 .. 3 ) {
		$line_length[$i] = max map { length( $_->[$i] ) } @lines;
	}

	for my $line (@lines) {
		printf(
			join( q{  }, ( map { "%-${_}s" } @line_length ) ) . "\n",
			@{$line}[ 0 .. 3 ]
		);
	}

	return;
}

for my $d ( $status->results ) {

	push( @output, [ $d->time, $d->platform, $d->line, $d->destination, ] );
}

display_result(@output);

__END__

=head1 NAME

efa-m - Inofficcial interface to the efa.vrr.de departure monitor

=head1 SYNOPSIS

B<efa-m> [B<-d> I<date>] [B<-t> I<time>] I<city> I<stop>

=head1 VERSION

version 0.00

=head1 DESCRIPTION

B<efa-m> lists upcoming tram, bus and train departures at I<stop> in I<city>

=head1 OPTIONS

=over

=item B<-d>, B<--date> I<dd.mm.yyyy>

Show departures for I<date> instead of today

=item B<-t>, B<--time> I<hh:mm>

Show departures starting at I<time> instead of now

=item B<-V>, B<--version>

Show version information.

=back

=head1 EXIT STATUS

Zero.

=head1 CONFIGURATION

None.

=head1 DEPENDENCIES

=over

=item * Class::Accessor(3pm)

=item * XML::LibXML(3pm)

=item * WWW::Mechanize(3pm)

=back

=head1 BUGS AND LIMITATIONS

Unknown.

=head1 AUTHOR

Copyright (C) 2011 by Daniel Friesel E<lt>derf@finalrewind.orgE<gt>

=head1 LICENSE

This program is licensed under the same terms as Perl itself.