package URLQueue::MainController;
use strict;
use warnings;
use base 'Gtk2::GladeXML::Simple';
use Path::Class;
use URI::Find;
use URI::Title;
use Email::Sender::Simple 'sendmail';
use Email::Sender::Transport::SMTP ();
use Email::Simple;
use Encode;
use MIME::EncWords;
use File::ShareDir 'dist_file';
use POSIX 'strftime';

sub set_icon {
    my ($self,$icon) = @_;

    $self->{input}->set_from_file(
        dist_file('URLQueue',"stock_book_${icon}.png")
    );
}

sub new {
    my ($class,%params)=@_;

    my $glade_file=file(__FILE__)->parent->file('main.glade');
    my $self=$class->SUPER::new($glade_file);

    my $target_list=Gtk2::TargetList->new();
    #$target_list->add_uri_targets(1);
    $target_list->add_text_targets(2);
    $self->{input}->drag_dest_set('all',
                                  [qw(link)],
                                  );
    $self->{input}->drag_dest_set_target_list($target_list);
    $self->set_icon('green');

    $self->{glade_dir}=$params{glade_dir};

    return $self;
}

sub drag_motion {
    my ($self, $widget, $context, $x, $y, $time) = @_;

    $context->status($context->suggested_action,$time);

    if (!$self->{_dragging}) {
        $self->set_icon('open');
        $self->{_dragging}=1;
    }

    return 1;
}

sub drag_leave {
    my ($self, $widget, $context, $time) = @_;

    if ($self->{_dragging}) {
        $self->set_icon('green');
        $self->{_dragging}=0;
    }

    return 1;
}

sub drag_drop {
    my ($self, $widget, $context, $x, $y, $time) = @_;

    if (my $atom=$context->targets) {
        $self->set_icon('yellow');
        $self->{_dragging}=0;
        $widget->drag_get_data($context, $atom, $time);
        return 1;
    }

    return 0;
}

sub drag_data_received {
    my ($self, $widget, $context, $x, $y, $data, $info, $time) = @_;

    if ($info==1) {
        $self->handle_uris($data->get_uris)
    }
    elsif ($info==2) {
        $self->handle_text($data->get_text);
    }
    else {
        warn "What is $info??";
    }

    return 1;
}

sub paste_clipboard {
    my ($self,$widget)=@_;

    my $clipboard=Gtk2::Clipboard->get();
    $clipboard->request_text(sub{$self->handle_text($_[1])});

    return 1;
}

sub button_release {
    my ($self,$widget,$event)=@_;

    if ($event->button==2) {
        $self->set_icon('yellow');
        my $clipboard=Gtk2::Clipboard->get(Gtk2::Gdk->SELECTION_PRIMARY);
        $clipboard->request_text(sub{$self->handle_text($_[1])});

        return 1;
    }

    return 0;
}

sub quit {
    Gtk2->main_quit;
}

sub handle_text {
    my ($self,$text)=@_;

    return unless $text;

    # stupid hack to avoid double-drop from Firefox
    return if ($self->{_last_text} and
                   $self->{_last_text} eq $text);
    $self->{_last_text}=$text;

    {
        my @uris;
        my $tmptext=$text;
        URI::Find->new(sub {
                           push @uris,$_[0]->as_string;
                           return ''
                       })->find(\$tmptext);

        if ($tmptext=~/\A \s* \z/smx) {
            return $self->handle_uris(@uris);
        }
    }

    my ($title)=($text =~ m{ \A ^ (.+?) $}smx);

    for ($title,$text) {
        s{\A \s+}{}smx;
        s{\s+ \z}{}smx;
    }

    $title = 'URLQueue paste' if $title eq '';

    $self->send_email($title,$text);

    $self->set_icon('green');
}

sub handle_uris {
    my ($self,@uris)=@_;

    @uris=grep {$_} @uris;

    return unless @uris;

    my @titles=map {URI::Title::title($_)} @uris;

    my $title=join ' - ',@titles;
    my $body='';
    while (@uris) {
        my $uri=shift @uris;
        my $name=shift @titles;

        $body.="$title $uri\n";
    }

    $self->send_email($title,$body);
    $self->set_icon('green');
}

sub send_email {
    my ($self,$title,$body)=@_;

    $title=MIME::EncWords::encode_mimewords(
        Encode::encode('utf-8',$title),
        Charset=>'utf-8',
    );

    my $message = Email::Simple->create(
        header => [
            From => 'urlqueue@thenautilus.net',
            To => 'dakkar@thenautilus.net',
            Subject => $title,
            'Content-Type' => 'text/plain; charset=utf-8',
            'Content-Transfer-Encoding' => '8bit',
        ],
        body => Encode::encode('utf-8',$body),
    );

    sendmail($message,{
        from => 'urlqueue@thenautilus.net',
        transport => Email::Sender::Transport::SMTP->new({
            host => 'luxion',
            port => 25,
        }),
    });
}

1;