#!/usr/bin/perl

use lib qw(/usr/lib/libDrakX);

# i18n: IMPORTANT: to get correct namespace (drakx-kbd-mouse-x11 and drak3d instead of libDrakX)
BEGIN { unshift @::textdomains, 'drakx-net', 'drakx-kbd-mouse-x11', 'drak3d' }

use standalone;
$::isStandalone = 0;

use common;
use interactive;
use any;
use authentication;
use network::network;
use security::level;

my $conf_file = '/etc/sysconfig/finish-install';
my %conf = getVarsFromSh($conf_file);
my $authentication = authentication::get();
my $security = security::level::get();
my $net = {};
my $locale;
network::network::read_net_conf($net);

$::isWizard = 1;
my $in = 'interactive'->vnew;

sub get_conf {
	my ($name) = @_;
	$conf{lc($name)} || $conf{uc($name)};
}

sub ask_license() {
    local $::isWizard = 0;
    any::acceptLicense($in);
}

sub ask_language() {
    require lang;
    $locale = lang::read();
    any::selectLanguage_and_more_standalone($in, $locale);
    lang::write_and_install($locale, $in->do_pkgs);
}

sub ask_keyboard() {
    require keyboard;
    my $keyboard = $locale ? keyboard::lang2keyboard($locale->{lang}) : keyboard::read_or_default();

  choose:
    $keyboard->{KEYBOARD} = $in->ask_from_listf(N("Keyboard"),
                                                N("Please, choose your keyboard layout."),
                                                sub { translate(keyboard::KEYBOARD2text($_[0])) },
                                                [ keyboard::KEYBOARDs() ],
                                                $keyboard->{KEYBOARD}) or return;

    keyboard::group_toggle_choose($in, $keyboard) or goto choose;

    keyboard::configure_and_set_standalone($keyboard);
}

#- TIMEZONE=simplified: do not ask timezone and make ntp settings advanced
sub ask_timezone() {
    require timezone;
    my $t = timezone::read();
    $t->{timezone} = timezone::bestTimezone($locale->{country}) if $locale->{country};
    if (lc(get_conf('TIMEZONE')) eq 'simplified') {
       any::configure_time_more($in, $t, 'hide_ntp');
    } else {
       any::configure_timezone($in, $t, 'ask_gmt');
    }
    timezone::write($t);
    #- reload sys clock from hc once we know the real timezone
    timezone::reload_sys_clock($t);
}

sub ask_network() {
    require network::tools;
    return if network::tools::has_network_connection();
    require network::netconnect;
    my $modules_conf = modules::any_conf->read;
    network::netconnect::real_main($net, $in, $modules_conf);
    $modules_conf->write;
}

sub set_authentication {
    my ($superuser) = @_;
    authentication::set_root_passwd($superuser, $authentication);
    my $ok = eval {
	authentication::set($in, $net, $authentication) or return;
	network::network::write_network_conf($net);
        1;
    };
    $in->ask_warn(N("Error"), formatError($@)) if $@;
    return $ok;
}

sub ask_authentication() {
    my $meta_class = { getVarsFromSh("/etc/sysconfig/system") }->{META_CLASS};
    my $superuser = {};
    authentication::ask_root_password_and_authentication($in, $net, $superuser, $authentication, $meta_class, $security);
    set_authentication($superuser) or goto &ask_authentication;
}

#- USERS=with_root: asks both root and user accounts
#- USER_RENAME_FROM=<old user>: create the new user by renaming <old user>
#- USER_AUTOLOGIN_FIRST: configure autologin for the first added user
sub ask_users() {
    my $users = [];
    my $superuser = to_bool(lc(get_conf('USERS')) eq 'with_root') && {};
    any::ask_user_and_root($in, $superuser, $users, $security);
    my $old_user = get_conf('USER_RENAME_FROM');
    if (@$users && $old_user) {
      $users->[0]{rename_from} = $old_user;
      $users->[0]{home} ||= '/home/' . $users->[0]{name};
    }
    my $autologin = any::get_autologin();
    my $autologin_first = ($autologin->{autologin} eq $old_user || lc(get_conf('USER_AUTOLOGIN_FIRST')) eq "yes") && $autologin->{desktop};
    any::add_users($users, $authentication);
    any::set_autologin($in->do_pkgs, $users->[0]{name}, $autologin_first)
	if $autologin_first;
    if ($old_user) {
        #- replace home path in user config files
        my $old_home = "/home/$old_user";
        my $new_home = "/home/$users->[0]{name}";
        run_program::run(qq(grep -rl $old_home $new_home/.??* | while read f; do perl -pi -e 's,$old_home,$new_home,g' "\$f"; done));
    }
}

sub ask_glx() {
    require Xconfig::glx;
    my $glx = Xconfig::glx::detect_may_install($in);
    if ($glx->{supported} && Xconfig::glx::choose_interactive($in, $glx)) {
        Xconfig::glx::write($glx);
    }
}

sub ask_encrypt_home() {
    my $user = { name => get_conf('ENCRYPT_HOME_USER'), device => get_conf('ENCRYPT_HOME_DEVICE') };
    any { !defined $_ } values %$user and return;
    $in->ask_from(N("Encrypted home partition"), N("Please enter a password for the %s user", $user->{name}),
                  [
                      { label => N("Password"), val => \$user->{password},  hidden => 1 },
                      { label => N("Password (again)"), val => \$user->{password2}, hidden => 1 },
                  ],
                  complete => sub {
                      authentication::check_given_password($in, $user, 6) or return 1,0;
                      return 0;
                  });
    authentication::write_passwd_user($user);
    encrypt_home($user);
}

sub encrypt_home {
    my ($user) = @_;
    my $device = $user->{device};
    my $mapper = '/dev/mapper/' . $user->{name};
    my $home = '/home/' . $user->{name};
    my $wait = $in->wait_message(N("Encrypted home partition"), N("Creating encrypted home partition"));

    substInFile {
        s/^volume $user->{name}.*//;
        $_ .= "volume $user->{name} crypt - $device $home - - -\n" if eof;
    } $::prefix . '/etc/security/pam_mount.conf';
    authentication::set_pam_authentication('mount');

    run_program::raw({ root => $::prefix, sensitive_arguments => 1 },
                     "echo -e $user->{password} | cryptsetup luksFormat $device");
    run_program::raw({ root => $::prefix, sensitive_arguments => 1 },
                     "echo -e $user->{password} | cryptsetup luksOpen $device $user->{name}");
    $wait = $in->wait_message(N("Encrypted home partition"), N("Formatting encrypted home partition"));
    run_program::rooted($::prefix, 'mke2fs', '-qj', '-m', 0, '-L', 'Home', $mapper);

    my $old_home;
    if (-d $::prefix . $home) {
        #- if already existing, move home to a temporary folder
        require File::Temp;
        $old_home = File::Temp::tempdir(DIR => dirname($::prefix . $home));
        rmdir $old_home;
        rename $::prefix . $home, $old_home;
    }

    mkdir_p($::prefix . $home);
    run_program::rooted($::prefix, 'mount', $mapper, $home);

    if ($old_home) {
        #- copy previous home back
        require File::Copy::Recursive;
        File::Copy::Recursive::dirmove($old_home, $::prefix . $home);
    }
    run_program::rooted($::prefix, 'chown', '-R', join(':', ($user->{name}) x 2), $home);
    rmdir $::prefix . $home . '/lost+found';

    run_program::rooted($::prefix, 'umount', $home);
    run_program::rooted($::prefix, 'cryptsetup', 'luksClose', $user->{name});
}

sub call {
    my ($step_name) = @_;
    my $f_name = 'ask_' . $step_name;
    if (lc(get_conf($step_name)) eq 'no') {
        log::l("ignoring $f_name");
    } else {
        log::l("calling $f_name");
        my $f = $::{$f_name} or internal_error "bad function $f_name";
        eval { $f->() };
        log::l("$f_name failed: $@") if $@;
    }
}

call('language');
call('license');
# "Previous" button isn't functiunnal and acts like "next" (#25349)
$::Wizard_no_previous = 1;
call('keyboard');
call('timezone');
call('network');
if (defined $::WizardWindow) {
    $::WizardWindow->destroy;
    undef $::WizardWindow;
}
$::Wizard_pix_up = 'redhat-config-users';
call('authentication');
call('users');
call('encrypt_home');
call('glx');
setVarsInSh($conf_file, { FINISH_INSTALL => 'no' });

$in->exit(0);