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package installer::windows::registry;

use installer::files;
use installer::globals;
use installer::worker;
use installer::windows::msiglobal;
use installer::windows::idtglobal;

#####################################################
# Generating the component name from a registryitem
#####################################################

sub get_registry_component_name
{
	my ($registryref, $allvariables) = @_;
		
	# In this function exists the rule to create components from registryitems
	# Rule:
	# The componentname can be directly taken from the ModuleID.
	# All registryitems belonging to one module can get the same component.
		
	my $componentname = "";
	my $isrootmodule = 0;
	
	if ( $registryref->{'ModuleID'} ) { $componentname = $registryref->{'ModuleID'}; }
	
	$componentname =~ s/\\/\_/g;
	$componentname =~ s/\//\_/g;
	$componentname =~ s/\-/\_/g;
	$componentname =~ s/\_\s*$//g;

	$componentname = lc($componentname);	# componentnames always lowercase

	if ( $componentname eq "gid_module_root" ) { $isrootmodule = 1; }

	# Attention: Maximum length for the componentname is 72 
	
	# identifying this component as registryitem component
	$componentname = "registry_" . $componentname;

	$componentname =~ s/gid_module_/g_m_/g;
	$componentname =~ s/_optional_/_o_/g;
	$componentname =~ s/_javafilter_/_jf_/g;
	
	# This componentname must be more specific
	my $addon = "_";
	if ( $allvariables->{'PRODUCTNAME'} ) { $addon = $addon . $allvariables->{'PRODUCTNAME'}; }
	if ( $allvariables->{'PRODUCTVERSION'} ) { $addon = $addon . $allvariables->{'PRODUCTVERSION'}; }
	$addon = lc($addon);
	$addon =~ s/ //g;
	$addon =~ s/-//g;
	$addon =~ s/\.//g;

	my $styles = "";	
	if ( $registryref->{'Styles'} ) { $styles = $registryref->{'Styles'}; }

	# Layer links must have unique Component GUID for all products. This is necessary, because only the 
	# uninstallation of the last product has to delete registry keys.
	if ( $styles =~ /\bLAYER_REGISTRY\b/ )
	{
		$componentname = "g_m_root_registry_layer_ooo_reglayer";
		# Styles USE_URELAYERVERSION, USE_OOOBASEVERSION
		if ( $styles =~ /\bUSE_URELAYERVERSION\b/ ) { $addon = "_ure_" . $allvariables->{'URELAYERVERSION'}; }
		if ( $styles =~ /\bUSE_OOOBASEVERSION\b/ ) { $addon = "_basis_" . $allvariables->{'OOOBASEVERSION'}; }
		$addon =~ s/\.//g;
	}

	$componentname = $componentname . $addon;

	if (( $styles =~ /\bLANGUAGEPACK\b/ ) && ( $installer::globals::languagepack )) { $componentname = $componentname . "_lang"; }
	if ( $styles =~ /\bALWAYS_REQUIRED\b/ ) { $componentname = $componentname . "_forced"; }

	# Attention: Maximum length for the componentname is 72
	# %installer::globals::allregistrycomponents_in_this_database_ : resetted for each database	
	# %installer::globals::allregistrycomponents_ : not resetted for each database
	# Component strings must be unique for the complete product, because they are used for
	# the creation of the globally unique identifier.	

	my $fullname = $componentname;  # This can be longer than 72
		
	if (( exists($installer::globals::allregistrycomponents_{$fullname}) ) && ( ! exists($installer::globals::allregistrycomponents_in_this_database_{$fullname}) ))
	{
		# This is not allowed: One component cannot be installed with different packages.
		installer::exiter::exit_program("ERROR: Windows registry component \"$fullname\" is already included into another package. This is not allowed.", "get_registry_component_name");
	}
		
	if ( exists($installer::globals::allregistrycomponents_{$fullname}) )
	{
		$componentname = $installer::globals::allregistrycomponents_{$fullname};
	}
	else
	{
		if ( length($componentname) > 70 )
		{
			$componentname = generate_new_short_registrycomponentname($componentname); # This has to be unique for the complete product, not only one package
		}

		$installer::globals::allregistrycomponents_{$fullname} = $componentname;
		$installer::globals::allregistrycomponents_in_this_database_{$fullname} = 1;
	}

	if ( $isrootmodule ) { $installer::globals::registryrootcomponent = $componentname; }

	return $componentname;	
}

#########################################################
# Create a shorter version of a long component name,
# because maximum length in msi database is 72.
# Attention: In multi msi installation sets, the short
# names have to be unique over all packages, because
# this string is used to create the globally unique id
# -> no resetting of
# %installer::globals::allshortregistrycomponents
# after a package was created.
#########################################################

sub generate_new_short_registrycomponentname
{
	my ($componentname) = @_;

	my $startversion = substr($componentname, 0, 60); # taking only the first 60 characters
	my $subid = installer::windows::msiglobal::calculate_id($componentname, 9); # taking only the first 9 digits
	my $shortcomponentname = $startversion . "_" . $subid;
	
	if ( exists($installer::globals::allshortregistrycomponents{$shortcomponentname}) ) { installer::exiter::exit_program("Failed to create unique component name: \"$shortcomponentname\"", "generate_new_short_registrycomponentname"); }
	
	$installer::globals::allshortregistrycomponents{$shortcomponentname} = 1;
	
	return $shortcomponentname;
}

##############################################################
# Returning identifier for registry table.
##############################################################

sub get_registry_identifier
{
	my ($registry) = @_;

	my $identifier = "";
	
	if ( $registry->{'gid'} ) { $identifier = $registry->{'gid'}; }
	
	$identifier = lc($identifier);	# always lower case

	# Attention: Maximum length is 72

	$identifier =~ s/gid_regitem_/g_r_/;
	$identifier =~ s/_soffice_/_s_/;
	$identifier =~ s/_clsid_/_c_/;
	$identifier =~ s/_currentversion_/_cv_/;
	$identifier =~ s/_microsoft_/_ms_/;
	$identifier =~ s/_manufacturer_/_mf_/;
	$identifier =~ s/_productname_/_pn_/;
	$identifier =~ s/_productversion_/_pv_/;
	$identifier =~ s/_staroffice_/_so_/;
	$identifier =~ s/_software_/_sw_/;
	$identifier =~ s/_capabilities_/_cap_/;	
	$identifier =~ s/_classpath_/_cp_/;
	$identifier =~ s/_extension_/_ex_/;
	$identifier =~ s/_fileassociations_/_fa_/;
	$identifier =~ s/_propertysheethandlers_/_psh_/;
	$identifier =~ s/__/_/g;
		
	# Saving this in the registry collector
	
	$registry->{'uniquename'} = $identifier;

	return $identifier;
}

##################################################################
# Returning root value for registry table.
##################################################################

sub get_registry_root
{
	my ($registry) = @_;

	my $rootvalue = 0;	# Default: Parent is KKEY_CLASSES_ROOT
	my $scproot = "";
	
	if ( $registry->{'ParentID'} ) { $scproot = $registry->{'ParentID'}; }

	if ( $scproot eq "PREDEFINED_HKEY_LOCAL_MACHINE" ) { $rootvalue = -1; }
	
	if ( $scproot eq "PREDEFINED_HKEY_CLASSES_ROOT" ) { $rootvalue = 0; }
	
	if ( $scproot eq "PREDEFINED_HKEY_CURRENT_USER_ONLY" ) { $rootvalue = 1; }

	if ( $scproot eq "PREDEFINED_HKEY_LOCAL_MACHINE_ONLY" ) { $rootvalue = 2; }

	return $rootvalue;
}

##############################################################
# Returning key for registry table.
##############################################################

sub get_registry_key
{
	my ($registry, $allvariableshashref) = @_;

	my $key = "";
	
	if ( $registry->{'Subkey'} ) { $key = $registry->{'Subkey'}; }

	if ( $key =~ /\%/ ) { $key = installer::worker::replace_variables_in_string($key, $allvariableshashref); }

	return $key;
}

##############################################################
# Returning name for registry table.
##############################################################

sub get_registry_name
{
	my ($registry, $allvariableshashref) = @_;

	my $name = "";
	
	if ( $registry->{'Name'} ) { $name = $registry->{'Name'}; }

	if ( $name =~ /\%/ ) { $name = installer::worker::replace_variables_in_string($name, $allvariableshashref); }

	return $name;
}

##############################################################
# Returning value for registry table.
##############################################################

sub get_registry_value
{
	my ($registry, $allvariableshashref) = @_;

	my $value = "";
	
	if ( $registry->{'Value'} ) { $value = $registry->{'Value'}; }
	
	$value =~ s/\\\"/\"/g;	# no more masquerading of '"'
	$value =~ s/\\\\\s*$/\\/g;	# making "\\" at end of value to "\"
	$value =~ s/\<progpath\>/\[INSTALLLOCATION\]/;
	$value =~ s/\[INSTALLLOCATION\]\\/\[INSTALLLOCATION\]/;	# removing "\" after "[INSTALLLOCATION]"

	if ( $value =~ /\%/ ) { $value = installer::worker::replace_variables_in_string($value, $allvariableshashref); }

	return $value;
}

##############################################################
# Returning 64 bit value for registry table.
##############################################################

sub get_registry_val64
{
	my ($registry, $allvariableshashref) = @_;

	my $value = "";

	if ( $registry->{'Val64'} ) { $value = $registry->{'Val64'}; }
	
	$value =~ s/\\\"/\"/g;	# no more masquerading of '"'
	$value =~ s/\\\\\s*$/\\/g;	# making "\\" at end of value to "\"
	$value =~ s/\<progpath\>/\[INSTALLLOCATION\]/;
	$value =~ s/\[INSTALLLOCATION\]\\/\[INSTALLLOCATION\]/;	# removing "\" after "[INSTALLLOCATION]"

	if ( $value =~ /\%/ ) { $value = installer::worker::replace_variables_in_string($value, $allvariableshashref); }

	return $value;
}

##############################################################
# Returning component for registry table.
##############################################################

sub get_registry_component
{
	my ($registry, $allvariables) = @_;

	# All registry items belonging to one module can
	# be included into one component

	my $componentname = get_registry_component_name($registry, $allvariables);

	# saving componentname in the registryitem collector

	$registry->{'componentname'} = $componentname;

	return $componentname;
}

######################################################
# Adding the content of 
# @installer::globals::userregistrycollector
# to the registry table. The content was collected
# in create_files_table() in file.pm.
######################################################

sub add_userregs_to_registry_table
{
	my ( $registrytable, $allvariables ) = @_;

	for ( my $i = 0; $i <= $#installer::globals::userregistrycollector; $i++ )
	{
		my $onefile = $installer::globals::userregistrycollector[$i];

		my $styles = "";
		if ( $onefile->{'Styles'} ) { $styles = $onefile->{'Styles'}; }
		
		my %registry = ();

		$registry{'Registry'} = $onefile->{'userregkeypath'};
		$registry{'Root'} = "1";  # always HKCU
		$registry{'Key'} = "Software\\$allvariables->{'MANUFACTURER'}\\$allvariables->{'PRODUCTNAME'} $allvariables->{'PRODUCTVERSION'}\\";
		if ( $onefile->{'needs_user_registry_key'} ) { $registry{'Key'} = $registry{'Key'} . "StartMenu"; }
		else { $registry{'Key'} = $registry{'Key'} . "ShellNew"; }
		$registry{'Name'} = $onefile->{'Name'};
		$registry{'Value'} = "1";
		$registry{'Component_'} = $onefile->{'componentname'};

		my $oneline = $registry{'Registry'} . "\t" . $registry{'Root'} . "\t" . $registry{'Key'} . "\t"
					. $registry{'Name'} . "\t" . $registry{'Value'} . "\t" . $registry{'Component_'} . "\n";

		push(@{$registrytable}, $oneline);			
	}
}

######################################################
# Creating the file Registry.idt dynamically
# Content: 
# Registry Root Key Name Value Component_
######################################################

sub create_registry_table
{
	my ($registryref, $allregistrycomponentsref, $basedir, $languagesarrayref, $allvariableshashref) = @_;

	for ( my $m = 0; $m <= $#{$languagesarrayref}; $m++ )
	{
		my $onelanguage = ${$languagesarrayref}[$m];

		my @registrytable = ();
		my @reg64table = ();
	
		installer::windows::idtglobal::write_idt_header(\@registrytable, "registry");
		installer::windows::idtglobal::write_idt_header(\@reg64table, "reg64");

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

			# Controlling the language!
			# Only language independent folderitems or folderitems with the correct language 
			# will be included into the table
			
			if (! (!(( $oneregistry->{'ismultilingual'} )) || ( $oneregistry->{'specificlanguage'} eq $onelanguage )) )  { next; }

			my %registry = ();

			$registry{'Registry'} = get_registry_identifier($oneregistry); 		
			$registry{'Root'} = get_registry_root($oneregistry);
			$registry{'Key'} = get_registry_key($oneregistry, $allvariableshashref); 		
			$registry{'Name'} = get_registry_name($oneregistry, $allvariableshashref);
			$registry{'Value'} = get_registry_value($oneregistry, $allvariableshashref);
			$registry{'Val64'} = get_registry_val64($oneregistry, $allvariableshashref);
			$registry{'Component_'} = get_registry_component($oneregistry, $allvariableshashref);	
	
			# Collecting all components
			if (!(installer::existence::exists_in_array($registry{'Component_'}, $allregistrycomponentsref))) 
			{
				push(@{$allregistrycomponentsref}, $registry{'Component_'}); 
			}

			# Collecting all components with DONT_DELETE style
			my $style = "";
			if ( $oneregistry->{'Styles'} ) { $style = $oneregistry->{'Styles'}; }
			if ( $style =~ /\bDONT_DELETE\b/ ) { $installer::globals::dontdeletecomponents{$registry{'Component_'}} = 1; }

			# Saving upgradekey to write this into setup.ini for minor upgrades
			if ( $style =~ /\bUPGRADEKEY\b/ ) { $installer::globals::minorupgradekey = $registry{'Key'}; }

			# Collecting all registry components with ALWAYS_REQUIRED style
			if ( ! ( $style =~ /\bALWAYS_REQUIRED\b/ ))
			{
				# Setting a component condition for unforced registry components!
				# Only write into registry, if WRITE_REGISTRY is set.
				if ( $oneregistry->{'ComponentCondition'} ) { $oneregistry->{'ComponentCondition'} = "(" . $oneregistry->{'ComponentCondition'} . ") AND (WRITE_REGISTRY=1)"; }
				else { $oneregistry->{'ComponentCondition'} = "WRITE_REGISTRY=1"; }
			}

			# Collecting all component conditions
			if ( $oneregistry->{'ComponentCondition'} )
			{			
				if ( ! exists($installer::globals::componentcondition{$registry{'Component_'}}))
				{
					$installer::globals::componentcondition{$registry{'Component_'}} = $oneregistry->{'ComponentCondition'};
				}
			}

			my $oneline = $registry{'Registry'} . "\t" . $registry{'Root'} . "\t" . $registry{'Key'} . "\t"
						. $registry{'Name'} . "\t" . $registry{'Value'} . "\t" . $registry{'Component_'} . "\n";

			my $oneline64 = $registry{'Registry'} . "\t" . $registry{'Root'} . "\t" . $registry{'Key'} . "\t"
						. $registry{'Name'} . "\t" . $registry{'Val64'} . "\t" . $registry{'Component_'} . "\n";

			if ( ! ( $style =~ /\bX64_ONLY\b/ )) { push(@registrytable, $oneline); }	# standard registry table for 32 Bit 
			if (( $style =~ /\bX64\b/ ) || ( $style =~ /\bX64_ONLY\b/ )) { push(@reg64table , $oneline64); }
		}

		# If there are added user registry keys for files collected in
		# @installer::globals::userregistrycollector (file.pm), then
		# this registry keys have to be added now. This is necessary for
		# files in PREDEFINED_OSSHELLNEWDIR, because their component
		# needs as KeyPath a RegistryItem in HKCU.

		if ( $installer::globals::addeduserregitrykeys ) { add_userregs_to_registry_table(\@registrytable, $allvariableshashref); }

		# Saving the file
		
		my $registrytablename = $basedir . $installer::globals::separator . "Registry.idt" . "." . $onelanguage;
		installer::files::save_file($registrytablename ,\@registrytable);
		my $infoline = "Created idt file: $registrytablename\n";
		push(@installer::globals::logfileinfo, $infoline);

		$registrytablename = $basedir . $installer::globals::separator . "Reg64.idt" . "." . $onelanguage;
		installer::files::save_file($registrytablename ,\@reg64table );
		$infoline = "Created idt file: $registrytablename\n";
		push(@installer::globals::logfileinfo, $infoline);
	}
}

1;