;-----------------------------------------------------------------------------
;
; SRT - Secure, Reliable, Transport
; Copyright (c) 2021, Thierry Lelegard
; 
; This Source Code Form is subject to the terms of the Mozilla Public
; License, v. 2.0. If a copy of the MPL was not distributed with this
; file, You can obtain one at http://mozilla.org/MPL/2.0/.
;
;-----------------------------------------------------------------------------
;
; NSIS script to build the SRT binary installer for Windows.
; Do not invoke NSIS directly, use PowerShell script build-win-installer.ps1
; to ensure that all parameters are properly passed.
;
;-----------------------------------------------------------------------------

Name "SRT"
Caption "SRT Libraries Installer"

!verbose push
!verbose 0
!include "MUI2.nsh"
!include "Sections.nsh"
!include "TextFunc.nsh"
!include "FileFunc.nsh"
!include "WinMessages.nsh"
!include "x64.nsh"
!verbose pop

!define ProductName "libsrt"
!define Build32Dir  "${BuildRoot}\build.Win32"
!define Build64Dir  "${BuildRoot}\build.x64"
!define SSL32Dir    "C:\Program Files (x86)\OpenSSL-Win32"
!define SSL64Dir    "C:\Program Files\OpenSSL-Win64"

; Installer file information.
VIProductVersion ${VersionInfo}
VIAddVersionKey ProductName "${ProductName}"
VIAddVersionKey ProductVersion "${Version}"
VIAddVersionKey Comments "The SRT static libraries for Visual C++ on Windows"
VIAddVersionKey CompanyName "Haivision"
VIAddVersionKey LegalCopyright "Copyright (c) 2021 Haivision Systems Inc."
VIAddVersionKey FileVersion "${VersionInfo}"
VIAddVersionKey FileDescription "SRT Installer"

; Name of binary installer file.
OutFile "${OutDir}\${ProductName}-${Version}.exe"

; Generate a Unicode installer (default is ANSI).
Unicode true

; Registry key for environment variables
!define EnvironmentKey '"SYSTEM\CurrentControlSet\Control\Session Manager\Environment"'

; Registry entry for product info and uninstallation info.
!define ProductKey "Software\${ProductName}"
!define UninstallKey "Software\Microsoft\Windows\CurrentVersion\Uninstall\${ProductName}"

; Use XP manifest.
XPStyle on

; Request administrator privileges for Windows Vista and higher.
RequestExecutionLevel admin

; "Modern User Interface" (MUI) settings.
!define MUI_ABORTWARNING

; Default installation folder.
InstallDir "$PROGRAMFILES\${ProductName}"

; Get installation folder from registry if available from a previous installation.
InstallDirRegKey HKLM "${ProductKey}" "InstallDir"

; Installer pages.
!insertmacro MUI_PAGE_DIRECTORY
!insertmacro MUI_PAGE_INSTFILES

; Uninstaller pages.
!insertmacro MUI_UNPAGE_CONFIRM
!insertmacro MUI_UNPAGE_INSTFILES

; Languages.
!insertmacro MUI_LANGUAGE "English"

; Installation initialization.
function .onInit
    ; In 64-bit installers, don't use registry redirection.
    ${If} ${RunningX64}
        SetRegView 64
    ${EndIf}
functionEnd

; Uninstallation initialization.
function un.onInit
    ; In 64-bit installers, don't use registry redirection.
    ${If} ${RunningX64}
        SetRegView 64
    ${EndIf}
functionEnd

; Installation section
Section "Install"

    ; Work on "all users" context, not current user.
    SetShellVarContext all

    ; Delete obsolete files from previous versions.
    Delete "$INSTDIR\LICENSE.pthread.txt"
    Delete "$INSTDIR\include\srt\srt4udt.h"
    Delete "$INSTDIR\include\srt\udt.h"
    Delete "$INSTDIR\lib\Release-x64\pthread.lib"
    Delete "$INSTDIR\lib\Release-Win32\pthread.lib"
    Delete "$INSTDIR\lib\Debug-x64\srt.pdb"
    Delete "$INSTDIR\lib\Debug-x64\pthread.pdb"
    Delete "$INSTDIR\lib\Debug-x64\pthread.lib"
    Delete "$INSTDIR\lib\Debug-Win32\srt.pdb"
    Delete "$INSTDIR\lib\Debug-Win32\pthread.pdb"
    Delete "$INSTDIR\lib\Debug-Win32\pthread.lib"

    SetOutPath "$INSTDIR"
    File /oname=LICENSE.txt "${RepoDir}\LICENSE"
    File "libsrt.props"

    ; Header files.
    CreateDirectory "$INSTDIR\include\srt"
    SetOutPath "$INSTDIR\include\srt"
    File "${RepoDir}\srtcore\access_control.h"
    File "${RepoDir}\srtcore\logging_api.h"
    File "${RepoDir}\srtcore\platform_sys.h"
    File "${RepoDir}\srtcore\srt.h"
    File "${RepoDir}\srtcore\udt.h"
    File "${Build64Dir}\version.h"

    CreateDirectory "$INSTDIR\include\win"
    SetOutPath "$INSTDIR\include\win"
    File "${RepoDir}\common\win\syslog_defs.h"

    ; Libraries.
    CreateDirectory "$INSTDIR\lib"
    
    CreateDirectory "$INSTDIR\lib\Release-x64"
    SetOutPath "$INSTDIR\lib\Release-x64"
    File /oname=srt.lib       "${Build64Dir}\Release\srt_static.lib"
    File /oname=libcrypto.lib "${SSL64Dir}\lib\VC\static\libcrypto64MD.lib"
    File /oname=libssl.lib    "${SSL64Dir}\lib\VC\static\libssl64MD.lib"

    CreateDirectory "$INSTDIR\lib\Debug-x64"
    SetOutPath "$INSTDIR\lib\Debug-x64"
    File /oname=srt.lib       "${Build64Dir}\Debug\srt_static.lib"
    File /oname=libcrypto.lib "${SSL64Dir}\lib\VC\static\libcrypto64MDd.lib"
    File /oname=libssl.lib    "${SSL64Dir}\lib\VC\static\libssl64MDd.lib"

    CreateDirectory "$INSTDIR\lib\Release-Win32"
    SetOutPath "$INSTDIR\lib\Release-Win32"
    File /oname=srt.lib       "${Build32Dir}\Release\srt_static.lib"
    File /oname=libcrypto.lib "${SSL32Dir}\lib\VC\static\libcrypto32MD.lib"
    File /oname=libssl.lib    "${SSL32Dir}\lib\VC\static\libssl32MD.lib"

    CreateDirectory "$INSTDIR\lib\Debug-Win32"
    SetOutPath "$INSTDIR\lib\Debug-Win32"
    File /oname=srt.lib       "${Build32Dir}\Debug\srt_static.lib"
    File /oname=libcrypto.lib "${SSL32Dir}\lib\VC\static\libcrypto32MDd.lib"
    File /oname=libssl.lib    "${SSL32Dir}\lib\VC\static\libssl32MDd.lib"

    ; Add an environment variable to installation root.
    WriteRegStr HKLM ${EnvironmentKey} "LIBSRT" "$INSTDIR"

    ; Store installation folder in registry.
    WriteRegStr HKLM "${ProductKey}" "InstallDir" $INSTDIR

    ; Create uninstaller
    WriteUninstaller "$INSTDIR\Uninstall.exe"
 
    ; Declare uninstaller in "Add/Remove Software" control panel
    WriteRegStr HKLM "${UninstallKey}" "DisplayName" "${ProductName}"
    WriteRegStr HKLM "${UninstallKey}" "Publisher" "Haivision"
    WriteRegStr HKLM "${UninstallKey}" "URLInfoAbout" "https://github.com/Haivision/srt"
    WriteRegStr HKLM "${UninstallKey}" "DisplayVersion" "${Version}"
    WriteRegStr HKLM "${UninstallKey}" "DisplayIcon" "$INSTDIR\Uninstall.exe"
    WriteRegStr HKLM "${UninstallKey}" "UninstallString" "$INSTDIR\Uninstall.exe"

    ; Get estimated size of installed files
    ${GetSize} "$INSTDIR" "/S=0K" $0 $1 $2
    IntFmt $0 "0x%08X" $0
    WriteRegDWORD HKLM "${UninstallKey}" "EstimatedSize" "$0"

    ; Notify applications of environment modifications
    SendMessage ${HWND_BROADCAST} ${WM_WININICHANGE} 0 "STR:Environment" /TIMEOUT=5000

SectionEnd

; Uninstallation section
Section "Uninstall"

    ; Work on "all users" context, not current user.
    SetShellVarContext all

    ; Get installation folder from registry
    ReadRegStr $0 HKLM "${ProductKey}" "InstallDir"

    ; Delete product registry entries
    DeleteRegKey HKCU "${ProductKey}"
    DeleteRegKey HKLM "${ProductKey}"
    DeleteRegKey HKLM "${UninstallKey}"
    DeleteRegValue HKLM ${EnvironmentKey} "LIBSRT"

    ; Delete product files.
    RMDir /r "$0\include"
    RMDir /r "$0\lib"
    Delete "$0\libsrt.props"
    Delete "$0\LICENSE*"
    Delete "$0\Uninstall.exe"
    RMDir "$0"

    ; Notify applications of environment modifications
    SendMessage ${HWND_BROADCAST} ${WM_WININICHANGE} 0 "STR:Environment" /TIMEOUT=5000

SectionEnd