package TextPrinter;
use strict;
use warnings;
use Term::ANSIColor;

my @colours = (
    color('reset'), # filler
    (
        map { color($_,'on_white') }
            'blue', 'green',
    ),
    (
        map { color($_,'on_black') }
            'dark yellow','dark green',
    ),
);

sub draw_cell {
    my ($cell) = @_;

    print $colours[$cell->[0]],
        $cell->[1];
}

{
my $white = color('black','on_white');
my $reset = color('reset');
sub draw_row {
    my ($row,$scale)=@_;
    $scale||=1;
    print $white,' 'x(3*$scale);
    for my $cell (@$row) {
        draw_cell($cell) for 1..$scale;
    }
    print $white,' 'x(3*$scale);
    print $reset,"\n";
}
sub draw_empty_row {
    my ($row,$scale)=@_;
    $scale||=1;

    print $white,' 'x((6+@$row)*$scale),$reset,"\n" for 1..(3*$scale);
}
}

sub draw_whole {
    my ($arr,$scale)=@_;
    $scale||=1;

    draw_empty_row($arr->[0],$scale);

    for my $row (@$arr) {
        draw_row($row,$scale) for 1..$scale;
    }

    draw_empty_row($arr->[0],$scale);
}

1;