; CST-Agent per-user installer (no admin rights).
;   makensis -INPUTCHARSET UTF8 -DVERSION=0.8.5 -DSRCDIR=dist/windows-x86_64 -DOUTFILE=setup.exe cst-agent.nsi
; Installs the same files as the zip into %LOCALAPPDATA%\Programs\cst-agent,
; adds that folder to the user PATH and registers an uninstaller under HKCU.
Unicode true
SetCompressor /SOLID lzma
RequestExecutionLevel user

!ifndef VERSION
  !error "pass -DVERSION=x.y.z"
!endif
!ifndef SRCDIR
  !error "pass -DSRCDIR=<dist/windows-x86_64>"
!endif
!ifndef OUTFILE
  !define OUTFILE "cst-agent-${VERSION}-windows-x86_64-setup.exe"
!endif

!define APP "CST-Agent"
!define UNINST_KEY "Software\Microsoft\Windows\CurrentVersion\Uninstall\cst-agent"

!include "MUI2.nsh"
!include "LogicLib.nsh"
!include "x64.nsh"

Name "${APP} ${VERSION}"
OutFile "${OUTFILE}"
InstallDir "$LOCALAPPDATA\Programs\cst-agent"
InstallDirRegKey HKCU "${UNINST_KEY}" "InstallLocation"
BrandingText "${APP} ${VERSION}"

VIProductVersion "${VERSION}.0"
VIAddVersionKey /LANG=1033 "ProductName" "${APP}"
VIAddVersionKey /LANG=1033 "ProductVersion" "${VERSION}"
VIAddVersionKey /LANG=1033 "FileVersion" "${VERSION}"
VIAddVersionKey /LANG=1033 "FileDescription" "${APP} installer"
VIAddVersionKey /LANG=1033 "LegalCopyright" "WHC"

!define MUI_ABORTWARNING
!define MUI_FINISHPAGE_RUN
!define MUI_FINISHPAGE_RUN_TEXT "$(RunWebUI)"
!define MUI_FINISHPAGE_RUN_FUNCTION LaunchWebUI

!insertmacro MUI_PAGE_DIRECTORY
!insertmacro MUI_PAGE_INSTFILES
!insertmacro MUI_PAGE_FINISH
!insertmacro MUI_UNPAGE_CONFIRM
!insertmacro MUI_UNPAGE_INSTFILES

!insertmacro MUI_LANGUAGE "English"
!insertmacro MUI_LANGUAGE "SimpChinese"

LangString NeedX64 ${LANG_ENGLISH} "${APP} needs 64-bit Windows."
LangString NeedX64 ${LANG_SIMPCHINESE} "${APP} 需要 64 位 Windows。"
LangString NeedBuild ${LANG_ENGLISH} "${APP} needs Windows 10 1903 (build 18362) or newer; this is build $0."
LangString NeedBuild ${LANG_SIMPCHINESE} "${APP} 需要 Windows 10 1903（内部版本 18362）或更新版本，当前为 $0。"
LangString RunWebUI ${LANG_ENGLISH} "Open the ${APP} WebUI"
LangString RunWebUI ${LANG_SIMPCHINESE} "打开 ${APP} WebUI"
LangString PathFail ${LANG_ENGLISH} "Could not add $INSTDIR to the user PATH; add it by hand."
LangString PathFail ${LANG_SIMPCHINESE} "未能把 $INSTDIR 加入用户 PATH，请手动添加。"

; PowerShell edits the user PATH: NSIS strings are capped at 1024 chars, and
; .NET broadcasts the change so new terminals see it. The folder is passed in
; the environment, so quotes in it cannot break the command.
!macro EditUserPath ACTION
  System::Call 'Kernel32::SetEnvironmentVariable(t "CST_INSTDIR", t "$INSTDIR")'
  nsExec::ExecToLog `powershell -NoProfile -ExecutionPolicy Bypass -Command "$$d = $$env:CST_INSTDIR.TrimEnd('\'); $$p = [Environment]::GetEnvironmentVariable('Path', 'User'); $$parts = @([string]$$p -split ';' | Where-Object { $$_ -and $$_.TrimEnd('\') -ine $$d }); if ('${ACTION}' -eq 'add') { $$parts += $$d }; [Environment]::SetEnvironmentVariable('Path', ($$parts -join ';'), 'User')"`
  Pop $0
!macroend

; A running exe cannot be overwritten but can be renamed out of the way.
!macro MoveAside NAME
  Delete "$INSTDIR\${NAME}.old"
  ClearErrors
  Delete "$INSTDIR\${NAME}"
  ${If} ${Errors}
    Rename "$INSTDIR\${NAME}" "$INSTDIR\${NAME}.old"
  ${EndIf}
!macroend

Function .onInit
  ${IfNot} ${RunningX64}
    MessageBox MB_ICONSTOP "$(NeedX64)"
    Abort
  ${EndIf}
  SetRegView 64
  ReadRegStr $0 HKLM "SOFTWARE\Microsoft\Windows NT\CurrentVersion" "CurrentBuildNumber"
  ${If} $0 < 18362
    MessageBox MB_ICONSTOP "$(NeedBuild)"
    Abort
  ${EndIf}
FunctionEnd

Function LaunchWebUI
  SetOutPath "$PROFILE"
  Exec '"$INSTDIR\cst-agent.exe" --web --web-open'
FunctionEnd

Section "Install"
  SetShellVarContext current
  SetOutPath "$INSTDIR"
  !insertmacro MoveAside "cst-agent.exe"
  !insertmacro MoveAside "busybox.exe"
  File "${SRCDIR}/cst-agent.exe"
  File "${SRCDIR}/busybox.exe"
  File "${SRCDIR}/LICENSE.busybox"
  File "${SRCDIR}/README.md"
  File "${SRCDIR}/cst-agent-update.cmd"
  File "${SRCDIR}/install_windows.ps1"
  File "${SRCDIR}/VERSION"
  WriteUninstaller "$INSTDIR\uninstall.exe"

  !insertmacro EditUserPath "add"
  ${If} $0 != 0
    DetailPrint "$(PathFail)"
  ${EndIf}

  ; The WebUI's workspace is the shortcut's start folder.
  SetOutPath "$PROFILE"
  CreateShortCut "$SMPROGRAMS\${APP} WebUI.lnk" "$INSTDIR\cst-agent.exe" "--web --web-open" "$INSTDIR\cst-agent.exe" 0
  SetOutPath "$INSTDIR"

  WriteRegStr HKCU "${UNINST_KEY}" "DisplayName" "${APP}"
  WriteRegStr HKCU "${UNINST_KEY}" "DisplayVersion" "${VERSION}"
  WriteRegStr HKCU "${UNINST_KEY}" "Publisher" "WHC"
  WriteRegStr HKCU "${UNINST_KEY}" "DisplayIcon" "$INSTDIR\cst-agent.exe"
  WriteRegStr HKCU "${UNINST_KEY}" "InstallLocation" "$INSTDIR"
  WriteRegStr HKCU "${UNINST_KEY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
  WriteRegStr HKCU "${UNINST_KEY}" "QuietUninstallString" '"$INSTDIR\uninstall.exe" /S'
  WriteRegStr HKCU "${UNINST_KEY}" "URLInfoAbout" "https://git.whcself.xyz/WHC/CST-agent"
  WriteRegDWORD HKCU "${UNINST_KEY}" "NoModify" 1
  WriteRegDWORD HKCU "${UNINST_KEY}" "NoRepair" 1
SectionEnd

Section "Uninstall"
  SetShellVarContext current
  !insertmacro EditUserPath "remove"
  Delete "$SMPROGRAMS\${APP} WebUI.lnk"
  Delete "$INSTDIR\cst-agent.exe"
  Delete "$INSTDIR\cst-agent.exe.old"
  Delete "$INSTDIR\busybox.exe"
  Delete "$INSTDIR\busybox.exe.old"
  Delete "$INSTDIR\LICENSE.busybox"
  Delete "$INSTDIR\README.md"
  Delete "$INSTDIR\cst-agent-update.cmd"
  Delete "$INSTDIR\install_windows.ps1"
  Delete "$INSTDIR\VERSION"
  Delete "$INSTDIR\uninstall.exe"
  RMDir "$INSTDIR"
  DeleteRegKey HKCU "${UNINST_KEY}"
SectionEnd