package GmailSender;
use strict;
use warnings;
use Class::Accessor::Lite (
    new => 1,
    rw => [ qw(
        username
        password
        from
        to
        subject
        body
    )],
);

use Encode;
use utf8;
use Carp;
use Try::Tiny;

use Email::Sender::Simple qw(sendmail);
use Email::MIME;
use Email::MIME::Creator;
use Email::Sender::Transport::SMTP::TLS;

sub send {
    my ($self) = @_;

    my $sender = Email::Sender::Transport::SMTP::TLS->new(
        host     => 'smtp.gmail.com',
        port     => 587,
        username => $self->username,
        password => $self->password,
    );

    my $email = Email::MIME->create(
        header => [
            From    => mine_header_encode($self->from),
            To      => mine_header_encode($self->to),
            Subject => mine_header_encode($self->subject),
        ],
        attributes => {
            content_type => 'text/plain',
            charset      => 'ISO-2022-JP',
            encoding     => '7bit',
        },
        body => encode('iso-2022-jp' => $self->body),
    );

    try { sendmail($email, {transport => $sender}); }
    catch { croak "sending email failed : " . $_->message; };
}

sub mine_header_encode {
    my $str = shift;
    encode('MIME-Header-ISO_2022_JP' => $str) if $str;
}

1;