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package App::lcpan::Cmd::copy_mod;

use 5.010;
use strict;
use warnings;

require App::lcpan;

our $AUTHORITY = 'cpan:PERLANCAR'; # AUTHORITY
our $DATE = '2023-09-26'; # DATE
our $DIST = 'App-lcpan'; # DIST
our $VERSION = '1.074'; # VERSION

our %SPEC;

$SPEC{'handle_cmd'} = {
    v => 1.1,
    summary => "Copy a module's latest release file to current directory",
    args => {
        %App::lcpan::common_args,
        %App::lcpan::mod_args,
        %App::lcpan::overwrite_args,
    },
    tags => ['write-to-fs'],
};
sub handle_cmd {
    require File::Copy;

    my %args = @_;

    my $state = App::lcpan::_init(\%args, 'ro');
    my $dbh = $state->{dbh};

    my $mod = $args{module};

    my $row = $dbh->selectrow_hashref("SELECT
  file.cpanid cpanid,
  file.name name
FROM module
LEFT JOIN file ON module.file_id=file.id
WHERE module.name=?
ORDER BY version_numified DESC
", {}, $mod);

    return [404, "No release for module '$mod'"] unless $row;

    my $srcpath = App::lcpan::_fullpath(
        $row->{name}, $state->{cpan}, $row->{cpanid});
    my $targetpath = $row->{name};

    (-f $srcpath) or return [404, "File not found: $srcpath"];

    if ((-f $targetpath) && !$args{overwrite}) {
        return [412, "Refusing to overwrite existing file '$targetpath'"];
    }

    File::Copy::syscopy($srcpath, $targetpath)
          or return [500, "Can't copy '$srcpath' to '$targetpath': $!"];

    [200, "OK", undef, {
        'func.source_path'=>$srcpath,
        'func.target_path'=>$targetpath,
    }];
}

1;
# ABSTRACT: Copy a module's latest release file to current directory

__END__

=pod

=encoding UTF-8

=head1 NAME

App::lcpan::Cmd::copy_mod - Copy a module's latest release file to current directory

=head1 VERSION

This document describes version 1.074 of App::lcpan::Cmd::copy_mod (from Perl distribution App-lcpan), released on 2023-09-26.

=head1 FUNCTIONS


=head2 handle_cmd

Usage:

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

Copy a module's latest release file to current directory.

This function is not exported.

Arguments ('*' denotes required arguments):

=over 4

=item * B<cpan> => I<dirname>

Location of your local CPAN mirror, e.g. E<sol>pathE<sol>toE<sol>cpan.

Defaults to C<~/cpan>.

=item * B<index_name> => I<filename> (default: "index.db")

Filename of index.

If C<index_name> is a filename without any path, e.g. C<index.db> then index will
be located in the top-level of C<cpan>. If C<index_name> contains a path, e.g.