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package installer::windows::patch;

use installer::exiter;
use installer::files;
use installer::globals;
use installer::windows::idtglobal;

####################################################################################
# Creating the file Upgrade.idt dynamically
# Content: 
# UpgradeCode VersionMin VersionMax Language Attributes Remove ActionProperty
####################################################################################

sub update_patch_tables
{
	my ($basedir, $allvariables) = @_;

	my $reglocatfile = "";
	my $appsearchfile = "";

	my $reglocatfilename = $basedir . $installer::globals::separator . "RegLocat.idt";
	my $appsearchfilename = $basedir . $installer::globals::separator . "AppSearc.idt";
	my $signaturefilename = $basedir . $installer::globals::separator . "Signatur.idt";
	
	if ( -f $reglocatfilename )
	{
		$reglocatfile = installer::files::read_file($reglocatfilename);
	}
	else
	{
		my @reglocattable = ();
		$reglocatfile = \@reglocattable;
		installer::windows::idtglobal::write_idt_header($reglocatfile, "reglocat");
	}

	if ( -f $appsearchfilename )
	{
		$appsearchfile = installer::files::read_file($appsearchfilename);
	}
	else
	{
		my @appsearchtable = ();
		$appsearchfile = \@appsearchtable;
		installer::windows::idtglobal::write_idt_header($appsearchfile, "appsearch");	
	}

	if ( -f $signaturefilename )
	{
		$signaturefile = installer::files::read_file($signaturefilename);
	}
	else
	{
		my @signaturetable = ();
		$signaturefile = \@signaturetable;
		installer::windows::idtglobal::write_idt_header($signaturefile, "signatur");	
	}

	# Writing content into this tables
	
	if ( ! $allvariables->{'PATCHCODEFILE'} ) { installer::exiter::exit_program("ERROR: Variable PATCHCODEFILE must be defined for Windows patches!", "update_patch_tables"); }
	my $patchcodesfilename = $installer::globals::idttemplatepath  . $installer::globals::separator . $allvariables->{'PATCHCODEFILE'};
	my $patchcodefile = installer::files::read_file($patchcodesfilename);

	my $number = 0;

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

		if ( $oneline =~ /^\s*\#/ ) { next; }	# this is a comment line
		if ( $oneline =~ /^\s*$/ ) { next; }

		my $code = "";
		if ( $oneline =~ /^\s*(\S+)\s/ ) { $code = $1; }

		foreach my $name ( sort keys %installer::globals::installlocations )
		{
			$number++;
			my $signature = "dir" . $number . "user";
			my $rootvalue = "1";
			my $registryname = "";
			my $registryversion = "";
		
			if ( $allvariables->{'SEARCHPRODUCTNAME'} ) { $registryname = $allvariables->{'SEARCHPRODUCTNAME'}; }
			else { $registryname = $allvariables->{'PRODUCTNAME'}; }

			if ( $allvariables->{'SEARCHPRODUCTVERSION'} ) { $registryversion = $allvariables->{'SEARCHPRODUCTVERSION'}; }
			else { $registryversion = $allvariables->{'PRODUCTVERSION'}; }
		
			my $key = "Software\\" . $allvariables->{'MANUFACTURER'} . "\\" . $registryname . "\\" . $registryversion . "\\" . $code;

			my $type = 2;
			my $property = $name;
		
			$oneline = $signature . "\t" . $rootvalue . "\t" . $key . "\t" . $name . "\t" . $type . "\n";
			push(@{$reglocatfile}, $oneline);
		
			$oneline = $property . "\t" . $signature . "\n";
			push(@{$appsearchfile}, $oneline);

			$signature = "dir" . $number . "mach";
			$rootvalue = "2";

			$oneline = $signature . "\t" . $rootvalue . "\t" . $key . "\t" . $name . "\t" . $type . "\n";
			push(@{$reglocatfile}, $oneline);
		
			$oneline = $property . "\t" . $signature . "\n";
			push(@{$appsearchfile}, $oneline);
		}
	}

	# Saving the files
	
	installer::files::save_file($reglocatfilename ,$reglocatfile);
    $installer::logger::Lang->printf("Updated idt file: %s\n", $reglocatfilename); 

	installer::files::save_file($appsearchfilename ,$appsearchfile);
    $installer::logger::Lang->printf("Updated idt file: %s\n", $appsearchfilename); 

	installer::files::save_file($signaturefilename ,$signaturefile);
    $installer::logger::Lang->printf("Updated idt file: %s\n", $signaturefilename); 
}

1;