@echo off
setlocal enabledelayedexpansion

echo ========================================
echo   Quality Label Print Service Installer
echo   Complete Self-Contained Version
echo ========================================
echo.

REM Check for administrator privileges
net session >nul 2>&1
if %errorLevel% neq 0 (
    echo ERROR: This installer requires Administrator privileges.
    echo Please right-click this file and select "Run as administrator"
    echo.
    pause
    exit /b 1
)

echo [1/6] Administrator privileges confirmed ✓
echo.

REM Get current directory and set variables
set CURRENT_DIR=%~dp0
set SERVICE_NAME=QualityPrintService
set SERVICE_DISPLAY_NAME=Quality Label Print Service
set INSTALL_DIR=C:\QualityPrintService
set PYTHON_SCRIPT=%INSTALL_DIR%\print_service_complete.py
set LOG_DIR=%USERPROFILE%\PrintService\logs

echo [2/6] Checking Python installation...

REM Check if Python is available
python --version >nul 2>&1
if %errorLevel% neq 0 (
    echo WARNING: Python not found in PATH
    echo.
    echo Installing portable Python interpreter...
    
    REM Download portable Python (this would need to be included in the zip)
    if exist "%CURRENT_DIR%python_portable" (
        echo Using included portable Python ✓
        set PYTHON_EXE=%CURRENT_DIR%python_portable\python.exe
    ) else (
        echo ERROR: Portable Python not found in package
        echo Please ensure python_portable folder is included
        pause
        exit /b 1
    )
) else (
    echo Python found in system PATH ✓
    set PYTHON_EXE=python
)

echo [3/6] Creating installation directories...

REM Create installation directory
if not exist "%INSTALL_DIR%" (
    mkdir "%INSTALL_DIR%"
    echo Created: %INSTALL_DIR% ✓
)

REM Create log directory
if not exist "%LOG_DIR%" (
    mkdir "%LOG_DIR%"
    echo Created: %LOG_DIR% ✓
)

echo [4/6] Installing service files...

REM Copy service files
copy "%CURRENT_DIR%print_service_complete.py" "%INSTALL_DIR%\" >nul
if %errorLevel% equ 0 (
    echo Copied print service script ✓
) else (
    echo ERROR: Failed to copy service script
    pause
    exit /b 1
)

REM Copy additional files if they exist
if exist "%CURRENT_DIR%requirements_complete.txt" (
    copy "%CURRENT_DIR%requirements_complete.txt" "%INSTALL_DIR%\" >nul
    echo Copied requirements file ✓
)

REM Copy portable Python if included
if exist "%CURRENT_DIR%python_portable" (
    echo Copying portable Python interpreter...
    xcopy "%CURRENT_DIR%python_portable" "%INSTALL_DIR%\python_portable\" /E /I /H /Y >nul
    if %errorLevel% equ 0 (
        echo Portable Python installed ✓
        set PYTHON_EXE=%INSTALL_DIR%\python_portable\python.exe
    )
)

echo [5/6] Installing Windows service...

REM Remove existing service if it exists
sc query "%SERVICE_NAME%" >nul 2>&1
if %errorLevel% equ 0 (
    echo Stopping existing service...
    sc stop "%SERVICE_NAME%" >nul 2>&1
    timeout /t 3 >nul
    echo Removing existing service...
    sc delete "%SERVICE_NAME%" >nul 2>&1
    timeout /t 2 >nul
)

REM Try to install with NSSM first (if available)
if exist "%CURRENT_DIR%nssm.exe" (
    echo Installing with NSSM (Non-Sucking Service Manager)...
    
    "%CURRENT_DIR%nssm.exe" install "%SERVICE_NAME%" "%PYTHON_EXE%" "%PYTHON_SCRIPT%"
    "%CURRENT_DIR%nssm.exe" set "%SERVICE_NAME%" DisplayName "%SERVICE_DISPLAY_NAME%"
    "%CURRENT_DIR%nssm.exe" set "%SERVICE_NAME%" Description "Quality Label Printing Service for Windows"
    "%CURRENT_DIR%nssm.exe" set "%SERVICE_NAME%" Start SERVICE_AUTO_START
    "%CURRENT_DIR%nssm.exe" set "%SERVICE_NAME%" AppStdout "%LOG_DIR%\service_output.log"
    "%CURRENT_DIR%nssm.exe" set "%SERVICE_NAME%" AppStderr "%LOG_DIR%\service_error.log"
    "%CURRENT_DIR%nssm.exe" set "%SERVICE_NAME%" AppRotateFiles 1
    "%CURRENT_DIR%nssm.exe" set "%SERVICE_NAME%" AppRotateOnline 1
    "%CURRENT_DIR%nssm.exe" set "%SERVICE_NAME%" AppRotateBytes 1048576
    
    echo Windows service installed with NSSM ✓
    
) else (
    echo Installing with Windows SC command (Enhanced Service Wrapper)...
    
    REM Copy service wrapper
    copy "%CURRENT_DIR%service_wrapper.py" "%INSTALL_DIR%\" >nul
    if %errorLevel% neq 0 (
        echo WARNING: Service wrapper not found, creating basic wrapper...
    )
    
    REM Create enhanced service wrapper batch file
    set WRAPPER_BAT=%INSTALL_DIR%\service_wrapper.bat
    
    echo @echo off > "%WRAPPER_BAT%"
    echo REM Windows Print Service Wrapper - Fixed for Error 1053 >> "%WRAPPER_BAT%"
    echo cd /d "%INSTALL_DIR%" >> "%WRAPPER_BAT%"
    echo. >> "%WRAPPER_BAT%"
    echo REM Check if Python service wrapper exists >> "%WRAPPER_BAT%"
    echo if exist "%INSTALL_DIR%\service_wrapper.py" ( >> "%WRAPPER_BAT%"
    echo     echo Starting service with wrapper... >> "%WRAPPER_BAT%"
    echo     "%PYTHON_EXE%" "%INSTALL_DIR%\service_wrapper.py" >> "%WRAPPER_BAT%"
    echo ^) else ( >> "%WRAPPER_BAT%"
    echo     echo Starting service directly... >> "%WRAPPER_BAT%"
    echo     "%PYTHON_EXE%" "%PYTHON_SCRIPT%" --service >> "%WRAPPER_BAT%"
    echo ^) >> "%WRAPPER_BAT%"
    
    REM Install service using sc command with enhanced wrapper
    sc create "%SERVICE_NAME%" binPath= "\"%WRAPPER_BAT%\"" DisplayName= "%SERVICE_DISPLAY_NAME%" start= auto
    
    if %errorLevel% equ 0 (
        echo Windows service installed with Enhanced SC Wrapper ✓
    ) else (
        echo ERROR: Failed to install Windows service
        echo Trying scheduled task fallback...
        goto :install_scheduled_task
    )
)

REM Configure service recovery options
echo Configuring service recovery options...
sc failure "%SERVICE_NAME%" reset= 86400 actions= restart/5000/restart/5000/restart/5000 >nul 2>&1

goto :start_service

:install_scheduled_task
echo [5/6] Installing as scheduled task (fallback)...

REM Create scheduled task as fallback
schtasks /create /tn "%SERVICE_NAME%" /tr "\"%PYTHON_EXE%\" \"%PYTHON_SCRIPT%\"" /sc onstart /ru SYSTEM /f >nul 2>&1

if %errorLevel% equ 0 (
    echo Scheduled task installed ✓
    
    REM Start the task
    schtasks /run /tn "%SERVICE_NAME%" >nul 2>&1
    echo Scheduled task started ✓
) else (
    echo ERROR: Failed to install scheduled task
    pause
    exit /b 1
)

goto :install_chrome_extension

:start_service
echo [6/6] Starting service...

REM Start the service
sc start "%SERVICE_NAME%" >nul 2>&1

if %errorLevel% equ 0 (
    echo Service started successfully ✓
) else (
    echo WARNING: Service may not have started properly
    echo This is normal on first install - the service will auto-start on next boot
)

:install_chrome_extension
echo.
echo ========================================
echo   Installation Complete! ✓
echo ========================================
echo.
echo Service Details:
echo   Name: %SERVICE_NAME%
echo   Location: %INSTALL_DIR%
echo   Logs: %LOG_DIR%
echo   URL: http://localhost:8765
echo.

REM Test service connectivity
echo Testing service connectivity...
timeout /t 3 >nul

powershell -Command "try { $response = Invoke-RestMethod -Uri 'http://localhost:8765/health' -TimeoutSec 10; if ($response.status -eq 'healthy') { Write-Host 'Service is responding ✓' -ForegroundColor Green } else { Write-Host 'Service responded but may have issues' -ForegroundColor Yellow } } catch { Write-Host 'Service not yet responding (this is normal on first install)' -ForegroundColor Yellow }"

echo.
echo Next Steps:
echo 1. Install Chrome Extension:
echo    - Open Chrome and go to chrome://extensions/
echo    - Enable 'Developer mode'
echo    - Click 'Load unpacked' and select the chrome_extension folder
echo.
echo 2. Test the installation:
echo    - Visit: http://localhost:8765/health
echo    - Expected response: {"status": "healthy"}
echo.
echo 3. The service will automatically start with Windows
echo.

if exist "%CURRENT_DIR%chrome_extension\" (
    echo Opening Chrome extension folder...
    explorer "%CURRENT_DIR%chrome_extension"
)

echo Installation completed successfully!
echo The Quality Print Service is now ready to use.
echo.
pause