# vim:set sw=4 ts=4 sts=4 ft=perl expandtab:
package Lufi;
use Mojo::Base 'Mojolicious';
use Net::LDAP;
use Apache::Htpasswd;
use Mojolicious::Sessions;

$ENV{MOJO_MAX_WEBSOCKET_SIZE} = 100485760; # 10 * 1024 * 1024 = 10MiB

# This method will run once at server start
sub startup {
    my $self = shift;
    my $entry;

    my $config = $self->plugin('Config' => {
        default =>  {
            prefix        => '/',
            provisioning  => 100,
            provis_step   => 5,
            length        => 10,
            token_length  => 32,
            secrets       => ['hfudsifdsih'],
            default_delay => 0,
            max_delay     => 0,
            mail          => {
                how => 'sendmail'
            },
            mail_sender              => 'no-reply@lufi.io',
            theme                    => 'default',
            upload_dir               => 'files',
            session_duration         => 3600,
            allow_pwd_on_files       => 0,
            dbtype                   => 'sqlite',
            db_path                  => 'lufi.db',
            force_burn_after_reading => 0,
        }
    });

    die "You need to provide a contact information in lufi.conf!" unless (defined($self->config('contact')));

    # Themes handling
    shift @{$self->renderer->paths};
    shift @{$self->static->paths};
    if ($config->{theme} ne 'default') {
        my $theme = $self->home->rel_file('themes/'.$config->{theme});
        push @{$self->renderer->paths}, $theme.'/templates' if -d $theme.'/templates';
        push @{$self->static->paths}, $theme.'/public' if -d $theme.'/public';
    }
    push @{$self->renderer->paths}, $self->home->rel_file('themes/default/templates');
    push @{$self->static->paths}, $self->home->rel_file('themes/default/public');

    # Mail config
    my $mail_config = {
        type     => 'text/plain',
        encoding => 'quoted-printable',
        how      => $self->config('mail')->{'how'}
    };
    $mail_config->{howargs} = $self->config('mail')->{'howargs'} if (defined $self->config('mail')->{'howargs'});

    $self->plugin('Mail' => $mail_config);

    # Internationalization
    my $lib = $self->home->rel_file('themes/'.$config->{theme}.'/lib');
    eval qq(use lib "$lib");
    $self->plugin('I18N');

    # Debug
    $self->plugin('DebugDumperHelper');

    # Fiat Tux helpers
    $self->plugin('FiatTux::Helpers');

    # Authentication
    $self->plugin('FiatTux::GrantAccess');

    # Secrets
    $self->secrets($self->config('secrets'));

    # Helpers
    $self->plugin('Lufi::Plugin::Helpers');

    # Hooks
    $self->hook(
        after_dispatch => sub {
            shift->provisioning();
        }
    );

    # For the first launch (after, this isn't really useful)
    $self->provisioning();

    # Create directory if needed
    mkdir($self->config('upload_dir'), 0700) unless (-d $self->config('upload_dir'));
    die ('The upload directory ('.$self->config('upload_dir').') is not writable') unless (-w $self->config('upload_dir'));

    # Configure sessions
    my $sessions = Mojolicious::Sessions->new;
    $sessions->cookie_name('lufi');
    $sessions->cookie_path($self->config('prefix'));
    $self->sessions($sessions);

    # Default layout
    $self->defaults(layout => 'default');

    # Router
    my $r = $self->routes;

    # Page for files uploading
    $r->get('/' => sub {
        my $c = shift;
        if ((!defined($c->config('ldap')) && !defined($c->config('htpasswd'))) || $c->is_user_authenticated) {
            $c->render(template => 'index');
        } else {
            $c->redirect_to('login');
        }
    })->name('index');

    if (defined $self->config('ldap') || defined $self->config('htpasswd')) {
        # Login page
        $r->get('/login' => sub {
            my $c = shift;
            if ($c->is_user_authenticated) {
                $c->redirect_to('index');
            } else {
                $c->render(template => 'login');
            }
        });
        # Authentication
        $r->post('/login' => sub {
            my $c = shift;
            my $login = $c->param('login');
            my $pwd   = $c->param('password');

            if($c->authenticate($login, $pwd)) {
                $c->redirect_to('index');
            } elsif (defined $entry) {
                    $c->stash(msg => $c->l('Please, check your credentials: unable to authenticate.'));
                    $c->render(template => 'login');
                } else {
                    $c->stash(msg => $c->l('Sorry mate, you are not authorised to use that service. Contact your sysadmin if you think there\'s a glitch in the matrix.'));
                    $c->render(template => 'login');
            }
        });
        # Logout page
        $r->get('/logout' => sub {
            my $c = shift;
            if ($c->is_user_authenticated) {
                $c->logout;
            }
            $c->render(template => 'logout');
        })->name('logout');
    }

    # About page
    $r->get('/about' => sub {
        shift->render(template => 'about');
    })->name('about');

    # Generated js files
    $r->get('/partial/:file' => sub {
        my $c = shift;
        $c->render(
            template => 'partial/'.$c->param('file'),
            format   => 'js',
            layout   => undef,
        );
    })->name('partial');

    # Get instance stats
    $r->get('/fullstats')
        ->to('Misc#fullstats')
        ->name('fullstats');

    # Get a file
    $r->get('/r/:short')->
        to('Files#r')->
        name('render');

    # List of files (use localstorage, so the server know nothing about files)
    $r->get('/files' => sub {
        my $c = shift;
        if ((!defined($c->config('ldap')) && !defined($c->config('htpasswd'))) || $c->is_user_authenticated) {
            $c->render(template => 'files');
        } else {
            $c->redirect_to('login');
        }
    })->name('files');

    # Get counter informations about a file
    $r->post('/c')->
        to('Files#get_counter')->
        name('counter');

    # Get counter informations about a file
    $r->get('/d/:short/:token')->
        to('Files#delete')->
        name('delete');

    # Get some informations about delays
    $r->get('/delays' => sub {
        shift->render(template => 'delays');
    })->name('delays');

    # Get mail page
    $r->get('/m')->
        to('Mail#render_mail')->
        name('mail');

    # Submit mail
    $r->post('/m')->
        to('Mail#send_mail');

    # About page
    $r->get('/about' => sub {
        shift->render(template => 'about');
    })->name('about');

    # Upload files websocket
    $r->websocket('/upload')->
        to('Files#upload')->
        name('upload');

    # Get files websocket
    $r->websocket('/download/:short')->
        to('Files#download')->
        name('download');
}

1;