package HomePanel::Render;
use Moo;
use Types::Path::Tiny 'AbsFile';
use Template::Provider::Encoding;
use Template::Stash::ForceUTF8;
use Template;
use DateTime;
use DateTime::Format::Duration;

has [qw(provider stash template)] => (
    is => 'lazy',
);
sub _build_provider {
    Template::Provider::Encoding->new(
        ABSOLUTE => 1,
        RELATIVE => 1,
    );
}
sub _build_stash {
    Template::Stash::ForceUTF8->new;
}
sub _build_template {
    my ($self) = @_;
    Template->new(
        LOAD_TEMPLATES => [ $self->provider ],
        STASH => $self->stash
    );
}

has template_file => (
    is => 'ro',
    isa => AbsFile,
    coerce => AbsFile->coercion,
    required => 1,
);

{
my %icon_for=(
    'clear-day' => '2',
    'clear-night' => '3',
    rain => '18',
    snow => '23',
    sleet => '24',
    wind => '6',
    fog => '13',
    cloudy => '14',
    'partly-cloudy-day' => '8',
    'partly-cloudy-night' => '9',
);
sub icon_for {
    my ($status) = @_;

    return "icons/".($icon_for{$status}//'45').".png";
}
}

sub render {
    my ($self,$data) = @_;

    my $output;

    $self->template->process(
        $self->template_file->stringify,
        {
            f => $data->{forecast},
            b => $data->{bus},
            t => $data->{tube},
            icon_for => \&icon_for,
            now => DateTime->now,
            format_duration => sub { DateTime::Format::Duration->new(@_) },
        },
        \$output,
    ) or die $self->template->error;

    return $output;
}