package App::Changelord;

use 5.36.0;

use Moo;
use CLI::Osprey;
use YAML;

option source => (
    is => 'ro',
    doc => 'changelog yaml file',
    default => 'CHANGELOG.yml',
);

has changelog => (
    lazy => 1,
    is => 'ro',
    default => sub($self) {
        return YAML::LoadFile($self->source)
    }
);

sub as_markdown($self) {
    my $changelog = $self->changelog;

    my $output = "# Changelog";

    $output .= " for " . $changelog->{project}{name}
        if $changelog->{project}{name};

    $output .= "\n\n";

    my $n = 0;
    $output .= join "\n", map { $self->render_release($_, $n++) } $changelog->{releases}->@*;

    return $output;
}

sub render_release($self, $release, $n=0) {

    # it's a string? Okay then!
    return $release unless ref $release;


    my $version = $release->{version} || ( $n ? '???' : 'NEXT' );
    my $date = $release->{date};

    my $output = '';

    $output .= "## $version";
    $output .= " ($date)" if $date;

    return $output;
}

sub run($self) {
    no warnings 'utf8';
    print $self->as_markdown;
}

subcommand 'schema' => 'App::Changelord::Command::Schema';
subcommand 'validate' => 'App::Changelord::Command::Validate';

'end of App::Changeman';