; DashCaddy Windows Installer (NSIS)
; Build: makensis /DVERSION=1.15.0 installer/windows/dashcaddy.nsi
; Output: DashCaddy-Setup-1.15.0.exe
;
; This installer:
; 1. Installs DashCaddy Desktop app (WinUI 3, MSIX-packaged)
; 2. Installs Docker Desktop via winget (if not present)
; 3. Enables WSL2 (if needed, with reboot handling)
; 4. Pulls Docker images
; 5. Starts services
; 6. Creates Start Menu shortcuts
; 7. Registers for auto-updates via MSIX

!include "MUI2.nsh"
!include "LogicLib.nsh"
!include "FileFunc.nsh"
!include "x64.nsh"
!include "WinShell.nsh"
!include "nsProcess.nsh"

; ─────────────────────────────────────────────────────────────────
; Product Information
; ─────────────────────────────────────────────────────────────────
!define PRODUCT_NAME "DashCaddy"
!define PRODUCT_VERSION "1.15.0"
!define PRODUCT_PUBLISHER "Sami Ahmed"
!define PRODUCT_WEB_SITE "https://dashcaddy.net"
!define PRODUCT_UNINST_KEY "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_NAME}"
!define PRODUCT_UNINST_ROOT_KEY "HKCU"  ; Per-user install (no admin required)

; ─────────────────────────────────────────────────────────────────
; Installer Configuration
; ─────────────────────────────────────────────────────────────────
Name "${PRODUCT_NAME} ${PRODUCT_VERSION}"
OutFile "DashCaddy-Setup-${PRODUCT_VERSION}.exe"
InstallDir "$LOCALAPPDATA\DashCaddy"
RequestExecutionLevel user
ShowInstDetails show
XPStyle on

; ─────────────────────────────────────────────────────────────────
; Modern UI
; ─────────────────────────────────────────────────────────────────
!define MUI_ABORTWARNING
!define MUI_ICON "assets\dashcaddy.ico"
!define MUI_UNICON "assets\dashcaddy.ico"
!define MUI_WELCOMEFINISHPAGE_BITMAP "assets\welcome.bmp"

!insertmacro MUI_PAGE_WELCOME
!insertmacro MUI_PAGE_LICENSE "assets\LICENSE.txt"
!insertmacro MUI_PAGE_DIRECTORY
!insertmacro MUI_PAGE_COMPONENTS
!insertmacro MUI_PAGE_INSTFILES
!define MUI_FINISHPAGE_RUN "$INSTDIR\DashCaddy.exe"
!define MUI_FINISHPAGE_RUN_TEXT "Launch DashCaddy"
!insertmacro MUI_PAGE_FINISH

!insertmacro MUI_UNPAGE_WELCOME
!insertmacro MUI_UNPAGE_CONFIRM
!insertmacro MUI_UNPAGE_INSTFILES
!insertmacro MUI_UNPAGE_FINISH

!insertmacro MUI_LANGUAGE "English"

; ─────────────────────────────────────────────────────────────────
; Variables
; ─────────────────────────────────────────────────────────────────
Var /GLOBAL DockerInstalled
Var /GLOBAL WSLEnabled
Var /GLOBAL RebootRequired

; ─────────────────────────────────────────────────────────────────
; Sections
; ─────────────────────────────────────────────────────────────────
Section "DashCaddy Application (Required)" SecApp
  SectionIn RO
  SetOutPath "$INSTDIR"
  File /r "app\*"
  File "DashCaddy.exe"
  File "config.yaml.example"
  File "README.md"
  File "LICENSE"
  
  ; Write uninstaller
  WriteUninstaller "$INSTDIR\Uninstall.exe"
  
  ; Register in Add/Remove Programs (HKCU)
  WriteRegStr HKCU "${PRODUCT_UNINST_KEY}" "DisplayName" "${PRODUCT_NAME} ${PRODUCT_VERSION}"
  WriteRegStr HKCU "${PRODUCT_UNINST_KEY}" "UninstallString" "$INSTDIR\Uninstall.exe"
  WriteRegStr HKCU "${PRODUCT_UNINST_KEY}" "DisplayVersion" "${PRODUCT_VERSION}"
  WriteRegStr HKCU "${PRODUCT_UNINST_KEY}" "Publisher" "${PRODUCT_PUBLISHER}"
  WriteRegStr HKCU "${PRODUCT_UNINST_KEY}" "URLInfoAbout" "${PRODUCT_WEB_SITE}"
  WriteRegStr HKCU "${PRODUCT_UNINST_KEY}" "InstallLocation" "$INSTDIR"
  WriteRegStr HKCU "${PRODUCT_UNINST_KEY}" "DisplayIcon" "$INSTDIR\assets\dashcaddy.ico"
  WriteRegDWORD HKCU "${PRODUCT_UNINST_KEY}" "NoModify" 1
  WriteRegDWORD HKCU "${PRODUCT_UNINST_KEY}" "NoRepair" 1
  
  ; Start Menu
  CreateDirectory "$SMPROGRAMS\DashCaddy"
  CreateShortCut "$SMPROGRAMS\DashCaddy\DashCaddy.lnk" "$INSTDIR\DashCaddy.exe" "" "$INSTDIR\assets\dashcaddy.ico" 0
  CreateShortCut "$SMPROGRAMS\DashCaddy\Uninstall.lnk" "$INSTDIR\Uninstall.exe" "" "$INSTDIR\assets\dashcaddy.ico" 0
SectionEnd

Section "Docker Desktop (Auto-Install)" SecDocker
  SectionIn 1
  ; Docker Desktop installed via bootstrap.ps1
SectionEnd

Section "WSL 2 Support (Required for Docker)" SecWSL
  SectionIn 1
  ; WSL2 enabled via bootstrap.ps1
SectionEnd

Section "Desktop Shortcut" SecShortcut
  SectionIn 1
  CreateShortCut "$DESKTOP\DashCaddy.lnk" "$INSTDIR\DashCaddy.exe" "" "$INSTDIR\assets\dashcaddy.ico" 0
SectionEnd

Section "Auto-Start on Login" SecAutostart
  SectionIn 1
  ; Registered via bootstrap.ps1
SectionEnd

; ─────────────────────────────────────────────────────────────────
; Installer Functions
; ─────────────────────────────────────────────────────────────────
Function .onInit
  ; Check Windows 10/11
  ${If} ${AtLeastWin10} == 0
    MessageBox MB_ICONSTOP "DashCaddy requires Windows 10 (build 19041) or later.$\n$\nCurrent OS: Windows $0"
    Abort
  ${EndIf}
  
  ; Check if already running
  FindWindow $0 "DashCaddyWindowClass"
  ${If} $0 <> 0
    MessageBox MB_YESNO|MB_ICONQUESTION "DashCaddy is currently running. Close it before installing?$\n$\n(Recommended: Yes)" IDYES CloseRunning
    Abort
  CloseRunning:
    SendMessage $0 ${WM_CLOSE} 0 0
    Sleep 1000
  ${EndIf}
  
  ; Pre-check Docker
  nsExec::ExecToLog 'where docker.exe'
  Pop $0
  ${If} $0 == 0
    StrCpy $DockerInstalled 1
  ${Else}
    StrCpy $DockerInstalled 0
  ${EndIf}
  
  ; Pre-check WSL2
  nsExec::ExecToLog 'wsl --status'
  Pop $0
  ${If} $0 == 0
    StrCpy $WSLEnabled 1
  ${Else}
    StrCpy $WSLEnabled 0
  ${EndIf}
FunctionEnd

Function .onInstSuccess
  ; Run bootstrap (installs Docker, enables WSL, pulls images, starts services)
  ExecWait '"$INSTDIR\bootstrap.ps1"'
  
  ; Launch app
  Exec '"$INSTDIR\DashCaddy.exe"'
FunctionEnd

; ─────────────────────────────────────────────────────────────────
; Uninstaller
; ─────────────────────────────────────────────────────────────────
Section Uninstall
  ; Stop app if running
  FindWindow $0 "DashCaddyWindowClass"
  ${If} $0 <> 0
    SendMessage $0 ${WM_CLOSE} 0 0
    Sleep 1000
  ${EndIf}
  
  ; Stop Docker containers
  ExecWait '"$INSTDIR\bootstrap.ps1" -Action Stop'
  
  ; Remove auto-start
  DeleteRegValue HKCU "Software\Microsoft\Windows\CurrentVersion\Run" "DashCaddy"
  
  ; Remove Start Menu shortcuts
  Delete "$SMPROGRAMS\DashCaddy\*.*"
  RMDir "$SMPROGRAMS\DashCaddy"
  
  ; Remove Desktop shortcut
  Delete "$DESKTOP\DashCaddy.lnk"
  
  ; Remove installed files
  Delete "$INSTDIR\*.exe"
  Delete "$INSTDIR\*.yaml"
  Delete "$INSTDIR\*.md"
  Delete "$INSTDIR\*.txt"
  Delete "$INSTDIR\*.ico"
  RMDir /r "$INSTDIR\app"
  RMDir /r "$INSTDIR\assets"
  
  ; Remove uninstaller
  Delete "$INSTDIR\Uninstall.exe"
  
  ; Remove registry keys
  DeleteRegKey HKCU "${PRODUCT_UNINST_KEY}"
  
  ; Remove directory if empty
  RMDir "$INSTDIR"
  
  ; Note: Docker Desktop and WSL2 are LEFT installed (shared system components)
  ; User data in %LOCALAPPDATA%\DashCaddy\data is preserved
SectionEnd

Function un.onUninstSuccess
  HideWindow
  MessageBox MB_OK "DashCaddy has been uninstalled.$\n$\nYour data in %LOCALAPPDATA%\DashCaddy\data was preserved.$\n$\nDocker Desktop and WSL2 were left installed.$\n$\nTo completely remove all data, manually delete %LOCALAPPDATA%\DashCaddy\"
FunctionEnd