@echo off
REM Diagnose IIS Configuration Issues
REM Run as Administrator

echo ========================================
echo   IIS DIAGNOSTICS FOR POZO APP
echo ========================================
echo.

cd /d "%~dp0"

echo [1/6] Checking website configuration...
powershell -Command "Import-Module WebAdministration; $site = Get-Website -Name 'PozoApp' -ErrorAction SilentlyContinue; if ($site) { Write-Host '[OK] Website PozoApp exists'; Write-Host '  Physical Path:' $site.physicalPath; Write-Host '  State:' (Get-WebsiteState -Name 'PozoApp').Value; Write-Host '  Bindings:' $site.bindings.Collection[0].bindingInformation } else { Write-Host '[ERROR] Website PozoApp not found!' }"

echo.
echo [2/6] Checking application pool...
powershell -Command "Import-Module WebAdministration; $pool = Get-WebAppPoolState -Name 'PozoApp' -ErrorAction SilentlyContinue; if ($pool) { Write-Host '[OK] Application Pool PozoApp exists'; Write-Host '  State:' $pool.Value } else { Write-Host '[ERROR] Application Pool PozoApp not found!' }"

echo.
echo [3/6] Checking web.config...
if exist "dist\web.config" (
    echo [OK] web.config exists
    echo [INFO] Checking web.config content...
    findstr /C:"iisnode" "dist\web.config" >nul 2>&1
    if %errorLevel% equ 0 (
        echo [OK] web.config contains iisnode configuration
    ) else (
        echo [WARNING] web.config does not contain iisnode configuration
    )
) else (
    echo [ERROR] web.config NOT FOUND in dist folder!
)

echo.
echo [4/6] Checking server.js...
if exist "dist\server.js" (
    echo [OK] server.js exists
) else (
    echo [ERROR] server.js NOT FOUND in dist folder!
)

echo.
echo [5/6] Checking handlers unlock status...
powershell -Command "Import-Module WebAdministration; try { $handlers = Get-WebConfiguration -PSPath 'MACHINE/WEBROOT/APPHOST' -Filter 'system.webServer/handlers' -ErrorAction Stop; Write-Host '[INFO] Handlers section accessible' } catch { Write-Host '[WARNING] Cannot access handlers section - may be locked' }"

echo.
echo [6/6] Checking iisnode module...
powershell -Command "Import-Module WebAdministration; $module = Get-WebGlobalModule | Where-Object { $_.Name -eq 'iisnode' } -ErrorAction SilentlyContinue; if ($module) { Write-Host '[OK] iisnode module is registered'; Write-Host '  Image:' $module.Image } else { Write-Host '[ERROR] iisnode module NOT FOUND!' ; Write-Host '[INFO] Please install iisnode from: https://github.com/Azure/iisnode/releases' }"

echo.
echo ========================================
echo   DIAGNOSTICS COMPLETE
echo ========================================
echo.
echo Common Issues:
echo 1. If handlers locked: Run UNLOCK-IIS-HANDLERS.bat
echo 2. If website not found: Run SETUP-IIS.bat
echo 3. If iisnode not found: Install iisnode module
echo 4. If default IIS page shows: Check website physical path
echo.
pause