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#!/usr/bin/perl

# Drakwizard

# Copyright (C) 2003 Mandrakesoft
#
# Author: Florent Villard <warly@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::Inn;
use strict;

use common;
require MDK::Wizard::Wizcommon;
use MDK::Wizard::Varspaceval;

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

my $o = { 
    name => N("News Wizard"),
	var => { 
	    news_server => '',
	    news_freq => ''
	},
	needed_rpm => [ 'inn' ],
	defaultimage => "$ENV{__WIZ_HOME__}news_wizard/images/news.png"
    };

$o->{pages} = { 
		  welcome => {
		      name => N("Welcome to the News Wizard") . "\n\n" . N("This wizard will help you configuring the Internet News services for your network."),
		  no_back => 1,
	          next => 'ask_news_server'
	      },
	      ask_news_server => {
	          name => N("News server") . "\n\n" . N("The news server name is the name of the host providing the Internet news to your network; the name is usually provided by your provider.") . "\n\n" . N("Internet host names must be in the form \"host.domain.domaintype\"; for example, if your provider is \"provider.com\", the Internet news server is usually \"news.provider.com\"."),
                  pre => sub {
			$o->{var}{news_server} ||= get_server();
		  },
                  data => [
		      { label => N("News server name:"),  val => \$o->{var}{news_server} },
		      ],
		      post => sub { $o->{var}{news_server} || 'error_in_news_server' },
	          next => 'ask_news_freq'
	      },
	      ask_news_freq => {
	          name => N("Polling period") . "\n\n" . N("Your server will regularly poll the News server to obtain the latest Internet News; the polling period sets the interval between two consecutive attempts.") . "\n\n" . N("Depending on the kind of Internet connection you have, an appropriate polling period can change between 6 and 24 hours."),
                  pre => sub {
			$o->{var}{news_freq} ||= 24;
		  },
                  data => [
		      { label => N("Polling period (hours):"), val => \$o->{var}{news_freq} },
		      ],
		  post => \&check_valid_hours,
	          next => 'summary'
	      },
              warning => {
		name => N("Warning."),
		ignore => 1,
	        next => 'summary'
	      },
	      error_in_news_server => {
		name => N("Error.") . "\n\n" . N("The news server name is not correct"),
		ignore => 1,
	        next => 'ask_news_server'
	      },
	      error_in_polling_time => {
		name => N("Error.") . "\n\n" . N("The polling period is not correct"),
		ignore => 1,
	        next => 'ask_news_freq'
	      },
	      summary => {
	        name =>  N("Configuring the Internet News") . "\n\n" . N("The wizard collected the following parameters needed to configure your Internet News service:") . "\n\n" . N("To accept these values, and configure your server, click the next button or use the back button to correct them."),
                data => [
		      { label => N("News server:"), val_ref => \$o->{var}{news_server} },
		      { label => N("Polling interval:"), val_ref => \$o->{var}{news_freq} },
		  ],
		post => \&do_it,
	        next => 'end'
	      },
	      end => { 
	        name => N("Congratulations") . "\n\n" . N("The wizard successfully configured your Internet News service of your server."), 
		end => 1,
	        next => 0
	  },
};

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

sub check_valid_hours {
    $o->{var}{news_freq} =~ /^\d+$/ or return 'error_in_polling_time'
}

sub normalize_freq {
    my ($freq) = @_;

    if ($freq =~ /(\d*)/) {
	$freq = $1;
    }
    if ($freq <= 0) {
	$freq = 0;
    }
    if ($freq >= 24) {
	$freq = 24;
    }
    $freq;
}

sub get_server {
    my %mdk = MDK::Wizard::Varspaceval->get("/etc/leafnode/config");
    $mdk{server}
}

sub normalize_server {
    my ($server) = @_;
    $server
}

sub do_it {
    $::testing and return;
    $o->{var}{news_freq} and my $freq = normalize_freq($o->{var}{news_freq}) or
      die "freq not defined: $!";
    $o->{var}{news_server} and my $server = normalize_server($o->{var}{news_server}) or
      die "server not defined: $!";
    my $file = "/etc/leafnode/config";
    -d "/etc/leafnode" or mkdir "/etc/leafnode";
    output($file, map { 
	s|__server__|$server|g;
	$_;
    } cat_("__WIZ_HOME__/news_wizard/scripts/config.default"));
    $file = "/var/spool/cron/news";
    my $file_c = "/etc/leafnode/crontab";
    if (-f $file) {
	MDK::Common::cp_af($file, $file_c);
        MDK::Common::cp_af($file, $file . ".orig");
    }
    output($file_c, map { 
	s|__freq__|$freq|g;
	$_;
    } cat_("__WIZ_HOME__/news_wizard/scripts/news.cron"));
    system("crontab -u news /etc/leafnode/crontab");
}

1;