#
# Subsurface NSIS installer script
#
# This installer creator needs to be run with:
# makensis subsurface.nsi
#

#--------------------------------
# Include Modern UI

    !include "MUI2.nsh"

#--------------------------------
# General

    # Program version
    !define SUBSURFACE_VERSION "VERSIONTOKEN"

    # VIProductVersion requires version in x.x.x.x format
    !define SUBSURFACE_VIPRODUCTVERSION "PRODVTOKEN"

    # Installer name and filename
    Name "Subsurface"
    Caption "Subsurface ${SUBSURFACE_VERSION} Setup"
    OutFile "..\subsurface-${SUBSURFACE_VERSION}.exe"

    # Icon to use for the installer
    !define MUI_ICON "subsurface.ico"

    # Default installation folder
    InstallDir "$PROGRAMFILES\Subsurface"

    # Get installation folder from registry if available
    InstallDirRegKey HKCU "Software\Subsurface" ""

    # Request application privileges
    RequestExecutionLevel admin

#--------------------------------
# Version information

    VIProductVersion "${SUBSURFACE_VIPRODUCTVERSION}"
    VIAddVersionKey "ProductName" "Subsurface"
    VIAddVersionKey "FileDescription" "Subsurface - an open source dive log program."
    VIAddVersionKey "FileVersion" "${SUBSURFACE_VERSION}"
    VIAddVersionKey "LegalCopyright" "GPL v.2"
    VIAddVersionKey "ProductVersion" "${SUBSURFACE_VERSION}"

#--------------------------------
# Settings

    # Show a warn on aborting installation
    !define MUI_ABORTWARNING

    # Defines the target start menu folder
    !define MUI_STARTMENUPAGE_REGISTRY_ROOT "HKCU"
    !define MUI_STARTMENUPAGE_REGISTRY_KEY "Software\Subsurface"
    !define MUI_STARTMENUPAGE_REGISTRY_VALUENAME "Start Menu Folder"

#--------------------------------
# Variables

    Var StartMenuFolder

#--------------------------------
# Pages

    # Installer pages
    !insertmacro MUI_PAGE_LICENSE "gpl-2.0.txt"
    !insertmacro MUI_PAGE_DIRECTORY
    !insertmacro MUI_PAGE_STARTMENU Application $StartMenuFolder
    !insertmacro MUI_PAGE_INSTFILES

    # Uninstaller pages
    !insertmacro MUI_UNPAGE_CONFIRM
    !insertmacro MUI_UNPAGE_INSTFILES

#--------------------------------
# Languages

    !insertmacro MUI_LANGUAGE "English"

#--------------------------------
# Default installer section

Function .onInit
    !include x64.nsh
    ${If} 64BITBUILDTOKEN
        ${IfNot} ${RunningX64}
            MessageBox MB_OK "You cannot install the 64bit version of Subsurface on a 32bit version of Windows"
                Abort "Please download the 32bit version of the Subsurface installer"
        ${EndIf}
    ${Else}
        ${If} ${RunningX64}
            MessageBox MB_YESNO "Do you really want to install the 32bit version of Subsurface on your 64bit version of Windows?" IDYES goforit
                Abort "Please download the 64bit version of the Subsurface installer"
            goforit:
        ${EndIf}
    ${Endif}
FunctionEnd

Section
    SetShellVarContext all

    # Installation path
    SetOutPath "$INSTDIR"

    # Delete any already installed DLLs to avoid buildup of various
    # versions of the same library when upgrading
    Delete "$INSTDIR\*.dll"

    # Files to include in installer
    # now that we install into the staging directory and try to only have
    # the DLLs there that we depend on, this is much easier
    File subsurface.exe
    File /r data
    File /r theme
    File /r images
    File /r plugins
    File /r Documentation
    File /r translations
    File *.dll
    File subsurface.ico
    File qt.conf

    # Store installation folder in registry
    WriteRegStr HKCU "Software\Subsurface" "" $INSTDIR

    # Create shortcuts
    !insertmacro MUI_STARTMENU_WRITE_BEGIN Application
        CreateDirectory "$SMPROGRAMS\$StartMenuFolder"
        CreateShortCut "$SMPROGRAMS\$StartMenuFolder\Subsurface.lnk" "$INSTDIR\subsurface.exe" "" "$INSTDIR\subsurface.ico" 0
        CreateShortCut "$SMPROGRAMS\$StartMenuFolder\Uninstall Subsurface.lnk" "$INSTDIR\Uninstall.exe"
        CreateShortCut "$DESKTOP\Subsurface.lnk" "$INSTDIR\subsurface.exe" "" "$INSTDIR\subsurface.ico" 0
    !insertmacro MUI_STARTMENU_WRITE_END

    # Create the uninstaller
    WriteUninstaller "$INSTDIR\Uninstall.exe"

    WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\Subsurface" \
        "DisplayName" "Subsurface"
    WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\Subsurface" \
        "DisplayIcon" "$INSTDIR\subsurface.ico"
    WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\Subsurface" \
        "UninstallString" "$INSTDIR\Uninstall.exe"
    WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\Subsurface" \
        "DisplayVersion" ${SUBSURFACE_VERSION}

SectionEnd

#--------------------------------
# Uninstaller section

Section "Uninstall"
    SetShellVarContext all

    # Delete installed files
    Delete "$INSTDIR\*.dll"
    Delete "$INSTDIR\freetype-config"
    Delete "$INSTDIR\subsurface.exe"
    Delete "$INSTDIR\subsurface.ico"
    Delete "$INSTDIR\Uninstall.exe"
    Delete "$INSTDIR\qt.conf"
    RMDir /r "$INSTDIR\share"
    RMDir /r "$INSTDIR\data"
    RMDir /r "$INSTDIR\theme"
    RMDir /r "$INSTDIR\images"
    RMDir /r "$INSTDIR\translations"
    RMDir /r "$INSTDIR\oldshare"
    RMDir /r "$INSTDIR\plugins"
    RMDir /r "$INSTDIR\Documentation"
    RMDir "$INSTDIR"

    # Remove shortcuts
    !insertmacro MUI_STARTMENU_GETFOLDER Application $StartMenuFolder
    Delete "$SMPROGRAMS\$StartMenuFolder\Subsurface.lnk"
    Delete "$SMPROGRAMS\$StartMenuFolder\Uninstall Subsurface.lnk"
    RMDir "$SMPROGRAMS\$StartMenuFolder"
    Delete "$DESKTOP\Subsurface.lnk"

    # Remove registry entries
    DeleteRegKey /ifempty HKCU "Software\Subsurface"
    DeleteRegKey HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\Subsurface"

SectionEnd