#**************************************************************
#  
#  Licensed to the Apache Software Foundation (ASF) under one
#  or more contributor license agreements.  See the NOTICE file
#  distributed with this work for additional information
#  regarding copyright ownership.  The ASF licenses this file
#  to you under the Apache License, Version 2.0 (the
#  "License"); you may not use this file except in compliance
#  with the License.  You may obtain a copy of the License at
#  
#    http://www.apache.org/licenses/LICENSE-2.0
#  
#  Unless required by applicable law or agreed to in writing,
#  software distributed under the License is distributed on an
#  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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#  specific language governing permissions and limitations
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#**************************************************************



package installer::followme;

use File::Spec;
use installer::exiter;
use installer::files;
use installer::globals;
use installer::logger;
use installer::systemactions;

####################################################
# Creating a file, that contains all information
# to create a follow up process.
####################################################

sub save_followme_info
{
	my ($finalinstalldir, $includepatharrayref, $allvariableshashref, $downloadname, $languagestringref, $languagesarrayref, $current_install_number, $loggingdir, $installlogdir) = @_;

	my $downloadinfofilename = $installer::globals::logfilename;
	if ( $installer::globals::updatepack ) { $downloadinfofilename =~ s/log_/log_$current_install_number\_/; }
	$downloadinfofilename =~ s/log_/follow_me_/;
	
	# Creating directory 
	my $downloadinfodir = installer::systemactions::create_directory_next_to_directory($finalinstalldir, "follow_me");
	
	my @filecontent = ();

	push(@filecontent, "finalinstalldir: $finalinstalldir\n");
	push(@filecontent, "downloadname: $downloadname\n");
	push(@filecontent, "currentinstallnumber: $current_install_number\n");
	push(@filecontent, "loggingdir: $loggingdir\n");
	push(@filecontent, "installlogdir: $installlogdir\n");
	push(@filecontent, "languagestring: $$languagestringref\n");
	foreach my $element ( @{$languagesarrayref} ) { push(@filecontent, "languagesarray: $element\n"); }
	foreach my $path ( @{$includepatharrayref} ) { push(@filecontent, "includepatharray: $path"); }
	foreach my $key ( sort keys %{$allvariableshashref} ) { push(@filecontent, "allvariableshash: $key : $allvariableshashref->{$key}\n"); }
	push(@filecontent, "globals:updatepack: $installer::globals::updatepack\n");
	push(@filecontent, "globals:added_english: $installer::globals::added_english\n");
	push(@filecontent, "globals:iswindowsbuild: $installer::globals::iswindowsbuild\n");
	push(@filecontent, "globals:issolarisbuild: $installer::globals::issolarisbuild\n");
	push(@filecontent, "globals:issolarispkgbuild: $installer::globals::issolarispkgbuild\n");
	push(@filecontent, "globals:issolarissparcbuild: $installer::globals::issolarissparcbuild\n");
	push(@filecontent, "globals:issolarisx86build: $installer::globals::issolarisx86build\n");
	push(@filecontent, "globals:isfreebsdpkgbuild: $installer::globals::isfreebsdpkgbuild\n");
	push(@filecontent, "globals:islinuxbuild: $installer::globals::islinuxbuild\n");
	push(@filecontent, "globals:islinuxrpmbuild: $installer::globals::islinuxrpmbuild\n");
	push(@filecontent, "globals:islinuxintelrpmbuild: $installer::globals::islinuxintelrpmbuild\n");
	push(@filecontent, "globals:islinuxppcrpmbuild: $installer::globals::islinuxppcrpmbuild\n");
	push(@filecontent, "globals:islinuxx86_64rpmbuild: $installer::globals::islinuxx86_64rpmbuild\n");
	push(@filecontent, "globals:islinuxdebbuild: $installer::globals::islinuxdebbuild\n");
	push(@filecontent, "globals:islinuxinteldebbuild: $installer::globals::islinuxinteldebbuild\n");
	push(@filecontent, "globals:islinuxppcdebbuild: $installer::globals::islinuxppcdebbuild\n");
	push(@filecontent, "globals:islinuxx86_64debbuild: $installer::globals::islinuxx86_64debbuild\n");
	push(@filecontent, "globals:issolaris: $installer::globals::issolaris\n");
	push(@filecontent, "globals:islinux: $installer::globals::islinux\n");
	push(@filecontent, "globals:unpackpath: $installer::globals::unpackpath\n");
	push(@filecontent, "globals:idttemplatepath: $installer::globals::idttemplatepath\n");
	push(@filecontent, "globals:idtlanguagepath: $installer::globals::idtlanguagepath\n");
	push(@filecontent, "globals:logfilename: $installer::globals::logfilename\n");
	push(@filecontent, "globals:product: $installer::globals::product\n");
	push(@filecontent, "globals:patch: $installer::globals::patch\n");
	push(@filecontent, "globals:languagepack: $installer::globals::languagepack\n");
	push(@filecontent, "globals:installertypedir: $installer::globals::installertypedir\n");
	push(@filecontent, "globals:max_lang_length: $installer::globals::max_lang_length\n");
	push(@filecontent, "globals:compiler: $installer::globals::compiler\n");
	push(@filecontent, "globals:product: $installer::globals::product\n");
	push(@filecontent, "globals:minor: $installer::globals::minor\n");
	push(@filecontent, "globals:lastminor: $installer::globals::lastminor\n");
	push(@filecontent, "globals:nsisfilename: $installer::globals::nsisfilename\n");

	# Saving file
	installer::files::save_file($downloadinfodir . $installer::globals::separator . $downloadinfofilename, \@filecontent);
	installer::logger::print_message( "... creating \"follow me\" info file $downloadinfofilename.\n" );
}

####################################################
# Reading the file, that contains all information
# to create a follow up process.
####################################################

sub read_followme_info
{
	my ( $filename ) = @_;

	if ( ! -f $filename ) { installer::exiter::exit_program("ERROR: Could not find file: $filename", "read_download_info"); }

	installer::logger::print_message( "\n... reading \"follow me\" info file $filename\n" );

	my %contenthash = ();
	
	my $finalinstalldir = "";
	my $downloadname = "";
	my $currentinstallnumber = "";
	my $loggingdir = "";
	my $installlogdir = "";
	my $languagestring = "";
	my @includepatharray = ();
	my @languagesarray = ();
	my %allvariableshash = ();

	# Global variables can be set directly

	my $filecontent = installer::files::read_file($filename);

	# First line has to contain the string "finalinstalldir:".
	# Otherwise this is not a correct file.
	
	
	if ( ! ( ${$filecontent}[0] =~ /s*finalinstalldir:\s*(.*?)\s*$/ )) { installer::exiter::exit_program("ERROR: Not a correct download info file: $filename", "read_download_info"); } 

	for ( my $i = 0; $i <= $#{$filecontent}; $i++ )
	{
		my $line = ${$filecontent}[$i];

		if ( $line =~ /^\s*finalinstalldir:\s*(.*?)\s*$/ ) { $finalinstalldir = $1; }
		if( $^O =~ /cygwin/i ) { $finalinstalldir =~ s/\\/\//; }
		if ( $line =~ /^\s*downloadname:\s*(.*?)\s*$/ ) { $downloadname = $1; }
		if ( $line =~ /^\s*currentinstallnumber:\s*(.*?)\s*$/ ) { $currentinstallnumber = $1; }
		if ( $line =~ /^\s*loggingdir:\s*(.*?)\s*$/ ) { $loggingdir = $1; }
		if( $^O =~ /cygwin/i ) { $loggingdir =~ s/\\/\//; }
		if ( $line =~ /^\s*installlogdir:\s*(.*?)\s*$/ ) { $installlogdir = $1; }
		if( $^O =~ /cygwin/i ) { $installlogdir =~ s/\\/\//; }
		if ( $line =~ /^\s*languagestring:\s*(.*?)\s*$/ ) { $languagestring = $1; }
		if ( $line =~ /^\s*languagesarray:\s*(.*?)\s*$/ ) { push(@languagesarray, $1); }
		if ( $line =~ /^\s*includepatharray:\s*(.*?)\s*$/ )
		{
			my $path = $1;
			if( $^O =~ /cygwin/i ) { $path  =~ s/\\/\//; }
			push(@includepatharray, $path . "\n");
		}
		if ( $line =~ /^\s*allvariableshash:\s*(.*?)\s*:\s*(.*?)\s*$/ ) { $allvariableshash{$1} = $2; }
		if ( $line =~ /^\s*globals:(.*?)\s*:\s*(.*?)\s*$/ )
		{
			my $name = $1;
			my $value = $2;
			if ( $name eq "updatepack" ) { $installer::globals::updatepack = $value; }
			if ( $name eq "added_english" ) { $installer::globals::added_english = $value; }
			if ( $name eq "iswindowsbuild" ) { $installer::globals::iswindowsbuild = $value; }
			if ( $name eq "issolarisbuild" ) { $installer::globals::issolarisbuild = $value; }
			if ( $name eq "issolarispkgbuild" ) { $installer::globals::issolarispkgbuild = $value; }
			if ( $name eq "issolarissparcbuild" ) { $installer::globals::issolarissparcbuild = $value; }
			if ( $name eq "issolarisx86build" ) { $installer::globals::issolarisx86build = $value; }
			if ( $name eq "isfreebsdpkgbuild" ) { $installer::globals::isfreebsdpkgbuild = $value; }
			if ( $name eq "islinuxbuild" ) { $installer::globals::islinuxbuild = $value; }
			if ( $name eq "islinuxrpmbuild" ) { $installer::globals::islinuxrpmbuild = $value; }
			if ( $name eq "islinuxintelrpmbuild" ) { $installer::globals::islinuxintelrpmbuild = $value; }
			if ( $name eq "islinuxppcrpmbuild" ) { $installer::globals::islinuxppcrpmbuild = $value; }
			if ( $name eq "islinuxx86_64rpmbuild" ) { $installer::globals::islinuxx86_64rpmbuild = $value; }
			if ( $name eq "islinuxdebbuild" ) { $installer::globals::islinuxdebbuild = $value; }
			if ( $name eq "islinuxinteldebbuild" ) { $installer::globals::islinuxinteldebbuild = $value; }
			if ( $name eq "islinuxppcdebbuild" ) { $installer::globals::islinuxppcdebbuild = $value; }
			if ( $name eq "islinuxx86_64debbuild" ) { $installer::globals::islinuxx86_64debbuild = $value; }
			if ( $name eq "issolaris" ) { $installer::globals::issolaris = $value; }
			if ( $name eq "islinux" ) { $installer::globals::islinux = $value; }
			if ( $name eq "unpackpath" ) { $installer::globals::unpackpath = $value; }
			if( $^O =~ /cygwin/i ) { $installer::globals::unpackpath =~ s/\\/\//; }
			if ( $name eq "idttemplatepath" ) { $installer::globals::idttemplatepath = $value; }
			if( $^O =~ /cygwin/i ) { $installer::globals::idttemplatepath =~ s/\\/\//; }
			if ( $name eq "idtlanguagepath" ) { $installer::globals::idtlanguagepath = $value; }
			if( $^O =~ /cygwin/i ) { $installer::globals::idtlanguagepath =~ s/\\/\//; }
			if ( $name eq "logfilename" ) { $installer::globals::logfilename = $value; }
			if ( $name eq "product" ) { $installer::globals::product = $value; }
			if ( $name eq "patch" ) { $installer::globals::patch = $value; }
			if ( $name eq "languagepack" ) { $installer::globals::languagepack = $value; }
			if ( $name eq "installertypedir" ) { $installer::globals::installertypedir = $value; }
			if ( $name eq "max_lang_length" ) { $installer::globals::max_lang_length = $value; }
			if ( $name eq "compiler" ) { $installer::globals::compiler = $value; }
			if ( $name eq "product" ) { $installer::globals::product = $value; }
			if ( $name eq "minor" ) { $installer::globals::minor = $value; }
			if ( $name eq "lastminor" ) { $installer::globals::lastminor = $value; }
			if ( $name eq "nsisfilename" ) { $installer::globals::nsisfilename = $value; }
		}
	}
	
	$contenthash{'finalinstalldir'} = $finalinstalldir;
	$contenthash{'downloadname'} = $downloadname;
	$contenthash{'currentinstallnumber'} = $currentinstallnumber;
	$contenthash{'loggingdir'} = $loggingdir;
	$contenthash{'installlogdir'} = $installlogdir;
	$contenthash{'languagestring'} = $languagestring;
	$contenthash{'languagesarray'} = \@languagesarray;
	$contenthash{'includepatharray'} = \@includepatharray;
	$contenthash{'allvariableshash'} = \%allvariableshash;
	
	return \%contenthash;
}

1;