!include "MUI2.nsh"
!include "LogicLib.nsh"
!include "Sections.nsh"

!define MUI_PRODUCT "Test_Copy"

OutFile "test_copy.exe"

InstallDir "$PROGRAMFILES\${MUI_PRODUCT}"

!define MUI_WELCOMEPAGE  
!define MUI_LICENSEPAGE
!define MUI_DIRECTORYPAGE
!define MUI_ABORTWARNING
!define MUI_UNINSTALLER
!define MUI_UNCONFIRMPAGE
!define MUI_FINISHPAGE  

!insertmacro MUI_PAGE_WELCOME
!insertmacro MUI_PAGE_DIRECTORY
!insertmacro MUI_PAGE_COMPONENTS
!insertmacro MUI_PAGE_INSTFILES
!insertmacro MUI_PAGE_FINISH

!insertmacro MUI_UNPAGE_WELCOME
!insertmacro MUI_UNPAGE_CONFIRM
!insertmacro MUI_UNPAGE_INSTFILES
!insertmacro MUI_UNPAGE_FINISH
;--------------------------------

;Declares the variables for optional Sample Data Sections
Var /GLOBAL HTTP_PATH
Var /GLOBAL ARCHIVE_NAME
Var /GLOBAL EXTENDED_ARCHIVE_NAME
Var /GLOBAL ORIGINAL_UNTAR_FOLDER
Var /GLOBAL CUSTOM_UNTAR_FOLDER
Var /GLOBAL ARCHIVE_SIZE_KB
Var /GLOBAL ARCHIVE_SIZE_MB
Var /GLOBAL DOWNLOAD_MESSAGE_

;--------------------------------

Section "Mainscript" SecMS

SetOutPath "$INSTDIR"
 

;create start-menu items
  CreateDirectory "$SMPROGRAMS\${MUI_PRODUCT}"
  CreateShortCut "$SMPROGRAMS\${MUI_PRODUCT}\Uninstall.lnk" "$INSTDIR\Uninstall.exe" "" "$INSTDIR\Uninstall.exe" 0
 
;write uninstall information to the registry
  WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${MUI_PRODUCT}" "DisplayName" "${MUI_PRODUCT} (remove only)"
  WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${MUI_PRODUCT}" "UninstallString" "$INSTDIR\Uninstall.exe"
 
  WriteUninstaller "$INSTDIR\Uninstall.exe"

CreateDirectory "$INSTDIR\extrabin"
  
SectionEnd

;--------------------------------    

Function DownloadInstallMSRuntime

	IntOp $ARCHIVE_SIZE_MB $ARCHIVE_SIZE_KB / 1024

	StrCpy $DOWNLOAD_MESSAGE_ "The installer will download the $EXTENDED_ARCHIVE_NAME.$\r$\n"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_$\r$\n"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_These system libraries from Microsoft are needed for programs"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_ built with Microsoft's Visual C++ compiler, such as Python and"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_ GDAL which ship with GRASS, since MS does not include them by"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_ default. You might already have them installed by other software,"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_ if so you don't need to install them again, but if not GRASS will"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_ fail to start and you will see errors like 'Missing MSVCR71.dll"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_ or MSVCP100.dll'.$\r$\n"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_$\r$\n"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_The archive is about $ARCHIVE_SIZE_MB MB and may take"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_ several minutes to download.$\r$\n"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_$\r$\n"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_The $EXTENDED_ARCHIVE_NAME will be copied to:$\r$\n"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_$TEMP\$CUSTOM_UNTAR_FOLDER.$\r$\n"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_$\r$\n"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_Press OK to continue and install the runtimes, or Cancel"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_ to skip the download and complete the GRASS"
	StrCpy $DOWNLOAD_MESSAGE_ "$DOWNLOAD_MESSAGE_ installation without the $EXTENDED_ARCHIVE_NAME.$\r$\n"

	MessageBox MB_OKCANCEL "$DOWNLOAD_MESSAGE_" IDOK download IDCANCEL cancel_download
	
	download:	
	SetShellVarContext current	
	InitPluginsDir
	NSISdl::download "$HTTP_PATH/$ARCHIVE_NAME" "$TEMP\$ARCHIVE_NAME"
	Pop $0
	StrCmp $0 "success" download_ok download_failed
		
	download_ok:	
	InitPluginsDir
	untgz::extract "-d" "$TEMP\$ORIGINAL_UNTAR_FOLDER" "-zbz2" "$TEMP\$ARCHIVE_NAME"
	Pop $0
	StrCmp $0 "success" untar_ok untar_failed
	
	untar_ok:
	;ExecWait '"$TEMP\$ORIGINAL_UNTAR_FOLDER\bin\vcredist_2005_x86.exe" /q'
	;ExecWait '"$TEMP\$ORIGINAL_UNTAR_FOLDER\bin\vcredist_2008_x86.exe" /q'	
	;ExecWait '"$TEMP\$ORIGINAL_UNTAR_FOLDER\bin\vcredist_2010_x86.exe" /q'
	CopyFiles "$TEMP\$ORIGINAL_UNTAR_FOLDER\bin\*.dll" "$INSTDIR\extrabin"
	Delete "$TEMP\$ARCHIVE_NAME"
	RMDir /r "$TEMP\$ORIGINAL_UNTAR_FOLDER"
	;the following doesn't work. Maybe because the installer is still running?
	RMDir "$TEMP\$ORIGINAL_UNTAR_FOLDER"
	Goto end
	
	download_failed:
	DetailPrint "$0" ;print error message to log
	MessageBox MB_OK "Download Failed.$\r$\nGRASS will be installed without the $EXTENDED_ARCHIVE_NAME."
	Goto end
	
	cancel_download:
	MessageBox MB_OK "Download Cancelled.$\r$\nGRASS will be installed without the $EXTENDED_ARCHIVE_NAME."
	Goto end
	
	untar_failed:
	DetailPrint "$0" ;print error message to log
	
	end:

FunctionEnd

;--------------------------------    

Section /O "Important Microsoft Runtime DLLs" SecMSRuntime

	;Set the size (in KB)  of the archive file
	StrCpy $ARCHIVE_SIZE_KB 12521
	
	;Set the size (in KB) of the unpacked archive file
	AddSize 13500
	
	StrCpy $HTTP_PATH "http://download.osgeo.org/osgeo4w/x86/release/msvcrt/"
	StrCpy $ARCHIVE_NAME "msvcrt-1.0.1-11.tar.bz2"
	StrCpy $EXTENDED_ARCHIVE_NAME "Microsoft Visual C++ Redistributable Packages"
	StrCpy $ORIGINAL_UNTAR_FOLDER "install_msruntime"
	
	Call DownloadInstallMSRuntime

SectionEnd

 
;--------------------------------    
;Uninstaller Section  
Section "Uninstall"
 
;Delete Files 
  RMDir /r "$INSTDIR\*.*"    
 
;Remove the installation directory
  RMDir "$INSTDIR"
 
;Delete Start Menu Shortcuts
  Delete "$DESKTOP\${MUI_PRODUCT}.lnk"
  Delete "$SMPROGRAMS\${MUI_PRODUCT}\*.*"
  RmDir  "$SMPROGRAMS\${MUI_PRODUCT}"
 
;Delete Uninstaller And Unistall Registry Entries
  DeleteRegKey HKEY_LOCAL_MACHINE "SOFTWARE\${MUI_PRODUCT}"
  DeleteRegKey HKEY_LOCAL_MACHINE "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\${MUI_PRODUCT}"  
 
SectionEnd