# version 0.2
#
# Copyright (C) 2004 Mandrakesoft
#
# Author: aginies _at_ mandrakesoft.com
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#

package MDK::Wizard::Installsrv;
use lib qw(/usr/lib/libDrakX);
use ugtk2 qw(:ask :helpers :wrappers :create :dialogs);
use strict;
use standalone;
use common;
use services;
use MDK::Wizard::Varspaceval;
use MDK::Wizard::Wizcommon;


# test root capa
my $wiz = new MDK::Wizard::Wizcommon;

my $INSTALLDIR = "/var/install/";
my $NFSEXPORTS = "/etc/exports";
my $WWWDIR = "/var/www/html";
my $testy;

my $o = {
	 name => 'Install Server Wizard',
	 var => {
		 DESTDIR => '/var/install/clic',
		 SOURCEDIR => '/home/nis/install/clic',
		},
	 needed_rpm => [ 'nfs-utils', 'apache-mpm-prefork' ],
	 defaultimage => "$ENV{__WIZ_HOME__}/installsrv_wizard/images/Install.png"
	};

$o->{pages} = {
	       welcome => {
			   name => N("Configure an install server (via NFS and HTTP)") . "\n\n" . N("Easily configure a server installation directory, with NFS and HTTP access."),
			   no_back => 1,
			   next => 'install_srv',
			  },
	       install_srv => {
			       name => N("Install server configuration") . "\n\n" . N("Path to data: specify your source directory, should be base of a Linux installation.") . "\n\n" . N("Destination directory: copy files in which directory?"),
			       pre => sub {
				 $o->{var}{wiz_nfs} ||= 1;
				 $o->{var}{wiz_http} ||= 1;
			       },
			       data => [
					{ label => "Path to data:", val => \$o->{var}{SOURCEDIR}, help => N("Please provide path to Mandriva installation disk") },
					{ label => "Destination directory:", val => \$o->{var}{DESTDIR}, help => N("Files will be copied in this place.") },
#					{ label => N("Enable NFS install server:"), type => 'bool', val => \$o->{var}{wiz_nfs} },
#					{ label => N("Enable HTTP  install server:"), type => 'bool', val => \$o->{var}{wiz_http} },
				       ],
			       post => \&test_data,
			       next => 'summary_srv',
			      },
	       error_dir_dest => {
				  name => N("The destination directory could not be '/var/install/'") . "\n\n" . N("ie use: /var/install/mdk-release"),
				  next => 'install_srv',
				 },
	       error_dir => {
			     name => N("Error, the source path must be a directory with full Linux installation directory."),
			     next => 'install_srv',
			    },
	       dir_already_use => {
				   name => N("The destination directory is already in use. Please choose another one."),
				   next => 'install_srv',
				  },
	       summary_srv => {
			       name => N("Your install server will be configured with these parameters"),
			       pre => sub {
				 $o->{var}{nfs} = $o->{var}{wiz_nfs} ? N("enabled") : N("disabled");
				 $o->{var}{http} = $o->{var}{wiz_http} ? N("enabled") : N("disabled");
			       },
			       data => [
					{ label => "Path to data:", fixed_val => \$o->{var}{SOURCEDIR} },
					{ label => "Destination directory:", fixed_val => \$o->{var}{DESTDIR} },
					{ label => N("Enable NFS install server:"), fixed_val => \$o->{var}{nfs} },
					{ label => N("Enable HTTP install server:"), fixed_val => \$o->{var}{http} },
					],
				   post => \&do_it,
				   no_back => 1,
				   next => 'end',
			       },
	       wait => {
			name => N("Configuring your system, please wait..."),
			next => 'end',
		       },
	       end => {
		       name => N("Congratulations, Install server is now ready. You can now configure a DHCP server with PXE support, and a PXE server. So it will be very easy to install Linux through a network. Use drakpxelinux to configure your PXE server, and drakwizard DHCP to configure a DHCPD server."),
		       end => 1,
		       no_back => 1,
		       next => 0
		      },
	      };


sub add_install_dir {
  if (any { /$o->{var}{DESTDIR}/ } cat_($NFSEXPORTS)) {
    print " - " . $NFSEXPORTS . " ready\n";
  } else {
    append_to_file($NFSEXPORTS, "$->{var}{DESTDIR}       *(async,rw,no_root_squash)\n");
    check_started($_) foreach qw(nfs nfsd);
  }
}

sub test_data {
  -d $o->{var}{SOURCEDIR} && -f "$o->{var}{SOURCEDIR}/VERSION" or return 'error_dir';
  if ($o->{var}{DESTDIR} eq $INSTALLDIR) { return 'error_dir_dest' }
  if (-e $o->{var}{DESTDIR}) { return 'dir_already_use' }
}

sub add_ftpuser {
    system("/usr/sbin/useradd -u 12383 -d install -r -s /bin/bash install");
}

sub add_http_link {
  my ($PATH) = @_;
  my $LINK = $WWWDIR . '/' . basename($PATH);
  if (! -f $LINK) {
    symlink $PATH, $LINK;
  }
  check_started("httpd");
}

sub cp_data {
  my ($SRCDIR, $DEST) = @_;
  mkdir_p($DEST);
  system("cp -av $SRCDIR/* $DEST");
}

sub do_it {
  return if $::testing;
  my $in = 'interactive'->vnew('su', 'install');
  my $w = $in->wait_message(N("Copying data"), N("Configuring your system as Linux install server via NFS or HTTP, this can take a while, so be patient please..."));
  my $S = $o->{var}{SOURCEDIR};
  my $D = $o->{var}{DESTDIR};
  if (! -d $D) { mkdir_p($D) }
  cp_data($o->{var}{SOURCEDIR}, $o->{var}{DESTDIR});
  add_install_dir();
  add_http_link($o->{var}{DESTDIR});
  undef $w;
}

sub new {
    my ($class) = @_;
    bless {
            o   => $o,
       }, $class;
}

1;