#!/usr/bin/perl

# Drakwizard
# Copyright (C) 2005 Mandriva
#
# Authors: antoine Ginies <aginies -@-  mandriva>
#
# 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::Sambaprint;
use strict;

use common;
use services;
use MDK::Wizard::Wizcommon;

use Libconf::Templates;
use Libconf::Glueconf::Samba::Smb_conf;

my $wiz = new MDK::Wizard::Wizcommon;

my $wiz_samba_etc = "/etc/sysconfig/wizard_samba";
my @listshare;
my @listprinters;

my $o = {
	 name => 'Samba printers wizard',
	 var => {
		 wiz_all_printers => '',
		 wiz_printers => '', wiz_do_printer_sharing => '', wiz_printers_comment => '',
		 wiz_printers_browseable => '', wiz_printers_guestok => '', wiz_printers_createmode => '',
		 list_printers => '',
		},
	 defaultimage => "/usr/share/wizards/samba_wizard/images/IC-sambaprt-48.png"
	};
$::Wizard_pix_up = "/usr/share/wizards/samba_wizard/images/IC-sambaprt-48.png";
# we ask glueconf to give us the structure representing /etc/samba/smb.conf
my $samba = new Libconf::Glueconf::Samba::Smb_conf({ filename => '/etc/samba/smb.conf', show_commented_info => 1 });

#debug
use Data::Dumper;
print Dumper($samba);

my %cprint = (
	    1 => N("Printers - configure your printers"),
	  #  2 => N('Print - printers drivers'),
	   );

my @yesorno = qw(yes no); push @yesorno, "";

$o->{pages} = {
	       welcome => {
			   name => N("You can enable or disable printers in your Samba server configuration."),
			   no_back => 1,
                           pre => sub {
			     if (! -f $wiz_samba_etc) {
                               $::in->ask_warn(N("Information"), N("It seems that you haven't setup a Samba server. Please setup a Samba server with Samba wizard before manage your shares."));
			       exit(1);
			     }
			     $o->{var}{wiz_do_printer_sharing} = "0";
			   },
			   data => [
				    # { label => "", val => \$o->{var}{wiz_todo}, list => [ keys %cprint ], format => sub { $cprint{$_[0]} } },
				    { text => N("Enable printers in Samba?"), type => 'bool', val => \$o->{var}{wiz_do_printer_sharing} },
                                   ],
			   post => sub {
			     if ($o->{var}{wiz_do_printer_sharing} == 0) {
			       return 'summary_disable';
			     } else { return 'ask_printers' }
			   },
			   next => 'ask_printers',
                          },
	       ask_printers => {
				name => N("Printers are available.") . "\n\n" . N("Select which printers you want to be accessible from known users"),
				pre => sub {
				  $o->{var}{list_printers} ||= [ list_printers() ];
				  $o->{var}{wiz_box_list} ||= [];
				},
				data => [
					 { text => N("Enable all printers"), type => 'bool', val => \$o->{var}{wiz_all_printers} },
					 { val => \$o->{var}{wiz_box_list}, boolean_list => \$o->{var}{list_printers}, disabled => sub { $o->{var}{wiz_all_printers} and return 1; 0 } },
					],
				next => 'ask_printers_options',
			       },
	       ask_printers_options => {
					name => N("Now you can configure your printers service. Change value only if you know what your are doing."),
					pre => sub {
					  if ($samba->{printers}{comment}) {
					    $o->{var}{wiz_printers_comment} ||= $samba->{printers}{comment};
					  } else {
					    $o->{var}{wiz_printers_comment} = "All Printers";
					  }
					  $o->{var}{wiz_printers_browseable} ||= $samba->{printers}{browseable} or $o->{var}{wiz_printers_browseable} = "no";
					  $o->{var}{wiz_printers_guestok} ||= $samba->{printers}{'guest ok'} or $o->{var}{wiz_printers_guestok} = "yes";
					  if ($samba->{printers}{'create mode'}) {
					    $o->{var}{wiz_printers_createmode} ||= $samba->{printers}{'create mode'};
					  } else {
					    $o->{var}{wiz_printers_createmode} = "0700";
					  }
					},
					post => sub {
					  if ($o->{var}{wiz_do_homes} == 1) {
					    return 'ask_homes';
					  }
					},
					data => [
						 { label => N("Comment:"), val => \$o->{var}{wiz_printers_comment} },
#						 { label => N("Create mode:"), val => \$o->{var}{wiz_printers_createmode} },
						 { label => N("Browseable:"), val => \$o->{var}{wiz_printers_browseable}, fixed_list => \@yesorno },
						 { label => N("Guest ok:"), val => \$o->{var}{wiz_printers_guestok}, fixed_list => \@yesorno },
						],
					next => 'summary',
				       },
	       summary => {
			   name =>  N("Configuring Samba printers"),
			   pre => sub {
			     $o->{var}{wiz_sambatype} = $cprint{$o->{var}{wiz_type}};
			   },
			   data => [
				    { label => N("Comment:"), fixed_val => \$o->{var}{wiz_printers_comment} },
				    { label => N("Create mode:"), fixed_val => \$o->{var}{wiz_printers_createmode} },
				    { label => N("Browseable:"), fixed_val => \$o->{var}{wiz_printers_browseable} },
				    { label => N("Guest ok:"), fixed_val => \$o->{var}{wiz_printers_guestok} },
				   ],
			   post => \&do_it,
			   next => 'end',
			  },
	       summary_disable => {
				   name => N("Disable Samba printers"),
				   post => \&do_it,
				   next => 'end',
				   no_back => 1,
				  },
	       end => {
		       name => N("Congratulations") . "\n\n" . N("The wizard successfully configured your Samba printer."),
		       no_back => 1,
		       end => 1,
		       next => 0
		      },
	       error_end => {
			     name => N("Failed"),
			     data => [ { label => N("Please relaunch drakwizard, and try to change some parameters.") } ],
			     no_back => 1,
			     end => 1,
			     next => 0,
			    },
	      };

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

sub check() {
    $> and return 1;
    $wiz->{net}->is_dhcp and return 2;
    0;
}

#section has the name of the printer
sub add_printer {
    my ($printer) = @_;
    $samba->{$printer}{printer} = $printer;
    $samba->{$printer}{printable} = 'yes';
}

sub remove_printer {
  my ($printer) = @_;
  delete $samba->{$printer};
}

sub list_printers_smbconf() {
  undef @listprinters;
  foreach my $clef (keys %$samba) {
    if ($samba->{$clef}{printable} =~ /yes/i) {
      print "$clef is a printer\n";
      push @listprinters, $clef;
    }
  }
  return @listprinters;
}

sub list_printers() {
  my @list if 0;
  return @list if @list;
  @list = sort grep /^(?!\#).+/, map {
    my ($printer) = split(':', $_);
  } cat_("/etc/printcap");
  if (@list) {
    @list;
  } else { () }
}


sub printer_sharing() {
  # create default section for printers with default value
  $samba->{global}{'printer adm'} = "\@adm";
  $samba->{printers};
  $samba->{printers}{comment} = $o->{var}{wiz_printers_comment};
  $samba->{printers}{browseable} = $o->{var}{wiz_printers_browseable};
  $samba->{printers}{'guest ok'} = $o->{var}{wiz_printers_guestok};
  $samba->{printers}{'create mode'} = $o->{var}{wiz_printers_createmode};
  # dont want user to change those value...
  $samba->{printers}{path} = "/var/spool/samba";
  $samba->{printers}{writable} = "no";
  $samba->{printers}{printable} = "yes";
  $samba->{printers}{'print command'} = "lpr-cups -P \%p -o raw \%s -r";
  $samba->{printers}{'use client driver'} = "yes";
  if ($o->{var}{wiz_box_list}) {
    for (my $i; $i < @{$o->{var}{wiz_box_list}}; $i++) {
      my $printer = $o->{var}{list_printers}[$i];
      if ($o->{var}{wiz_box_list}[$i]) {
	add_printer($printer);
      } else {
	remove_printer($printer);
      }
    }
  }
}

sub printer_section() {
  $samba->{'pdf-gen'};
  $samba->{'pdf-gen'}{path} = "/var/tmp";
  $samba->{'pdf-gen'}{'guest ok'} = "no";
  $samba->{'pdf-gen'}{printable} = "yes";
  $samba->{'pdf-gen'}{comment} = "PDF Generator (only valid users)";
  $samba->{'pdf-gen'}{printing} = "bsd";
  $samba->{'pdf-gen'}{'print command'} = "/usr/share/samba/scripts/print-pdf \"%s\" \"%H\" \"//%L/%u\" \"%m\" \"%I\" \"%J\" &";
  $samba->{'pdf-gen'}{'lpq command'} = "/bin/true";
}

sub printdollar_section() {
  $samba->{'print$'};
  $samba->{'print$'}{browseable} = "yes";
  $samba->{'print$'}{path} = "/var/lib/samba/printers";
  $samba->{'print$'}{browseable} = "yes";
  $samba->{'print$'}{'write list'} = "\@adm root";
  $samba->{'print$'}{'guest ok'} = "yes";
  $samba->{'print$'}{'inherit permissions'} = "yes";
}

sub get_printers() {
    if ($o->{var}{wiz_do_printer_sharing}) {
	my $string;
	$o->{var}{wiz_all_printers} and return "all printers";
	for (my $i; $i < @{$o->{var}{wiz_box_list}}; $i++) {
	    $string .= "$o->{var}{list_printers}[$i]\n" if $o->{var}{wiz_box_list}[$i];
	}
	$string;
    }
    else {
	'disabled';
    }
}

sub write_conf_restart_smb {
  $samba->write_conf("/etc/samba/smb.conf");
  if (services::is_service_running('smb')) {
    services::restart('smb');
    } else { services::start('smb') }
}

# remember one variable cannot be commented and not in the same file.
sub do_it {
    $::testing and return;
    # display a wait dialog box
    my $in = 'interactive'->vnew('su', 'Samba');
    my $w = $in->wait_message(N("Samba server"), N("Configuring your Samba server..."));

    # share printers
    if ($o->{var}{wiz_do_printer_sharing} == 1) {
      printer_sharing();
      printer_section();
      printdollar_section();
    } else {
      if ($o->{var}{wiz_box_list}) {
	for (my $i; $i < @{$o->{var}{wiz_box_list}}; $i++) {
	  $o->{var}{list_printers}[$i] and remove_printer($o->{var}{list_printers}[$i]);
	}
      }
      $samba->{global}{'printer adm'} and delete $samba->{global}{'printer adm'};
      $samba->{printers} and delete $samba->{printers};
      $samba->{'print$'} and delete $samba->{'print$'};
      $samba->{'pdf-gen'} and delete $samba->{'pdf-gen'};
    }

    write_conf_restart_smb();
    # remove wait message
    undef $w;
    check_started('smbd');
  }
1;