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package Fripost::Prompt;

use 5.010_000;
use strict;

=head1 NAME

Prompt.pm - Lots of prompt helper functions

=cut

our $VERSION = '0.01';

use Data::Dumper;
use Email::Valid;
use Exporter;
use IO::Prompter;
use Fripost::Password qw/mkpasswd/;

our @EXPORT = qw(confirm confirm_or_abort fix_username prompt_email prompt_password);
our @ISA = qw(Exporter);

sub confirm {
    my ($msg) = @_;
    $msg //= "Is this OK? [no will abort] ";
    return prompt -in => \*STDIN, -out => \*STDOUT, $msg, -yn;
}

sub confirm_or_abort {
    my ($msg) = @_;
    $msg //= "Is this OK? [no will abort] ";
    my $confirmed = prompt -in => \*STDIN, -out => \*STDOUT, $msg, -yn;
    unless ($confirmed) {
        say "User aborted";
        exit 1;
    }
}

sub fix_username {
    my ($nam) = @_;
    if (defined $nam && $nam !~ /\@/) {
        $nam .= '@fripost.org';
        say "Using $nam";
    }
    return $nam;
}

sub prompt_email {
    my ($msg, $is_username) = @_;
    $msg //= "Enter email: ";
    my $email;
    do {
        $email = prompt -in => \*STDIN, -out => \*STDOUT, $msg;

        if ($is_username) {
            $email = fix_username($email);
        }

        unless (Email::Valid->address($email)) {
            undef $email;
            say "This is not a valid e-mail address. Try again."
        }
    }
    until (defined $email);
    return $email;
}

sub prompt_password {
    my ($msg, $msg2) = @_;
    $msg  //= "Enter new password (blank for random): ";
    $msg2 //= "Enter new password again (blank for random): ";

    my $password;
    do {
        $password   = prompt -in => \*STDIN, -out => \*STDOUT, $msg,  -echo => '*';
        my $confirm = prompt -in => \*STDIN, -out => \*STDOUT, $msg2, -echo => '*';
        unless ($password eq $confirm) {
            undef $password;
            say "Passwords do not match";
        }
    }
    until (defined $password);

    if ($password eq '') {
        $password = mkpasswd();
        say "Using password: $password";
    }
    return $password;
}

=head1 AUTHOR

Stefan Kangas C<< <skangas at skangas.se> >>

=head1 COPYRIGHT

Copyright 2010,2011 Stefan Kangas.

=head1 LICENSE

This program is free software; you can redistribute it and/or modify it
under the same terms as perl itself.

=cut

1; # End of Prompt.pm