; CSM Client Installer (NSIS)
; ---------------------------
; Build: makensis /DVERSION=0.2.0 installer\client.nsi
; Silent install: csm-client-0.2.0-setup.exe /S /SERVER=192.168.1.10:9999

!define PRODUCT_NAME "CSM Client"
!define PRODUCT_PUBLISHER "CSM"
!define PRODUCT_UNINST_KEY "Software\Microsoft\Windows\CurrentVersion\Uninstall\${PRODUCT_NAME}"
!define PRODUCT_SERVICE_NAME "CSMClient"

; Use LZMA compression for smaller installer
SetCompressor lzma

Name "${PRODUCT_NAME} ${VERSION}"
OutFile "release\v${VERSION}\csm-client-${VERSION}-setup.exe"
InstallDir "$PROGRAMFILES64\${PRODUCT_NAME}"
RequestExecutionLevel admin

; --- Pages ---
Page directory
Page custom ServerPage ServerPageLeave
Page instfiles
UninstPage uninstConfirm
UninstPage instfiles

; --- Variables ---
Var ServerAddress

; --- Custom page for server address input ---
Function ServerPage
    !insertmacro MUI_HEADER_TEXT "Server Configuration" "Enter the CSM server address"
    nsDialogs::Create 1018
    Pop $0

    ${NSD_CreateLabel} 0 0 100% 12u "CSM Server Address (host:port):"
    Pop $0

    ${NSD_CreateText} 0 14u 100% 12u "127.0.0.1:9999"
    Pop $1

    nsDialogs::Show
FunctionEnd

Function ServerPageLeave
    ${NSD_GetText} $1 $ServerAddress
    ${If} $ServerAddress == ""
        MessageBox MB_ICONEXCLAMATION "Please enter a server address"
        Abort
    ${EndIf}
FunctionEnd

; --- Install Section ---
Section "Install"
    SetOutPath $INSTDIR

    ; Stop service if running
    nsExec::ExecToLog 'net stop ${PRODUCT_SERVICE_NAME}'
    Sleep 2000

    ; Copy binary
    File "release\v${VERSION}\csm-client-${VERSION}.exe"

    ; Write config file
    FileOpen $0 "$INSTDIR\client.env" w
    FileWrite $0 "CSM_SERVER=$ServerAddress$\r$\n"
    FileClose $0

    ; Register as Windows service
    nsExec::ExecToLog '"$INSTDIR\csm-client-${VERSION}.exe" --install'
    Sleep 1000

    ; Start service
    nsExec::ExecToLog 'net start ${PRODUCT_SERVICE_NAME}'

    ; Write uninstaller
    WriteUninstaller "$INSTDIR\uninstall.exe"

    ; Registry entries
    WriteRegStr HKLM "${PRODUCT_UNINST_KEY}" "DisplayName" "${PRODUCT_NAME}"
    WriteRegStr HKLM "${PRODUCT_UNINST_KEY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
    WriteRegStr HKLM "${PRODUCT_UNINST_KEY}" "DisplayVersion" "${VERSION}"
    WriteRegStr HKLM "${PRODUCT_UNINST_KEY}" "Publisher" "${PRODUCT_PUBLISHER}"
    WriteRegDWORD HKLM "${PRODUCT_UNINST_KEY}" "EstimatedSize" 5120

    ; Create Start Menu shortcut
    CreateDirectory "$SMPROGRAMS\${PRODUCT_NAME}"
    CreateShortcut "$SMPROGRAMS\${PRODUCT_NAME}\Uninstall.lnk" "$INSTDIR\uninstall.exe"
SectionEnd

; --- Uninstall Section ---
Section "Uninstall"
    ; Stop and remove service
    nsExec::ExecToLog 'net stop ${PRODUCT_SERVICE_NAME}'
    Sleep 2000
    nsExec::ExecToLog '"$INSTDIR\csm-client-${VERSION}.exe" --uninstall'
    Sleep 1000

    ; Remove files
    Delete "$INSTDIR\csm-client-*.exe"
    Delete "$INSTDIR\client.env"
    Delete "$INSTDIR\csm_client_service.log"
    Delete "$INSTDIR\uninstall.exe"
    RMDir "$INSTDIR"

    ; Remove shortcuts
    Delete "$SMPROGRAMS\${PRODUCT_NAME}\Uninstall.lnk"
    RMDir "$SMPROGRAMS\${PRODUCT_NAME}"

    ; Remove registry
    DeleteRegKey HKLM "${PRODUCT_UNINST_KEY}"
SectionEnd