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    my %args = @_;

    my $str = Image::DecodeQR::decode($args{filename});

    [200, "OK", $str];
}

$SPEC{gen_qrcode} = {
    v => 1.1,
    summary => 'Generate QR Code and by default show it (or save it to a file)',
    args => {
        text => {
            schema => 'str*',
            req => 1,
            pos => 0,
        },
        filename => {
            schema => 'filename*',
            pos => 1,
            description => <<'MARKDOWN',

If unspecified, will save to a temporary filename and show it with
<pm:Desktop::Open>.

MARKDOWN
        },
        format => {
            schema => ['str*', in=>[qw/png html txt/]],
            default => 'png',
        },
        level => {
            summary => 'Error correction level',
            schema => ['str*', in=>['L', 'M', 'Q', 'H']],
            default => 'M',
        },
    },
    examples => [
    ],
};
sub gen_qrcode {
    require QRCode::Any;

    my %args = @_;
    my $format = $args{format} // 'png';

    my $filename = $args{filename};
    unless (defined $filename) {
        require File::Temp;
        (undef, $filename) = File::Temp::tempfile("qrcodeXXXXXXXXX", TMPDIR=>1, SUFFIX=>".$format");
    }

    my $res = QRCode::Any::encode_qrcode(
        format => $format,
        text => $args{text},
        filename => $filename,
        level => $args{level},
    );
    return $res unless $res->[0] == 200;

    require Desktop::Open;
    Desktop::Open::open_desktop($filename);

    [200, "OK", undef, {"func.filename"=>$filename}];
}

1;
# ABSTRACT: Utilities related to QR Code

__END__

=pod

=encoding UTF-8

=head1 NAME

App::QRCodeUtils - Utilities related to QR Code

=head1 VERSION

This document describes version 0.005 of App::QRCodeUtils (from Perl distribution App-QRCodeUtils), released on 2026-01-20.

=head1 DESCRIPTION

This distributions provides the following command-line utilities:

=over

=item * L<decode-qrcode>

=item * L<gen-qrcode>

=back

=head1 FUNCTIONS


=head2 decode_qrcode

Usage:

 decode_qrcode(%args) -> [$status_code, $reason, $payload, \%result_meta]

Decode QR Code.

This function is not exported.

Arguments ('*' denotes required arguments):

=over 4

=item * B<filename>* => I<filename>

(No description)


=back

Returns an enveloped result (an array).

First element ($status_code) is an integer containing HTTP-like status code