# Fix PAUSE command syntax - DOS 6.22 does not accept message parameters
# Convert "PAUSE message..." to "ECHO message..." followed by "PAUSE"

$BATFiles = Get-ChildItem *.BAT | Where-Object {
    $_.Name -notlike "*_FROM_*" -and
    $_.Name -notlike "*_TEST*" -and
    $_.Name -notlike "*_VERIFY*" -and
    $_.Name -notlike "*_CHECK*" -and
    $_.Name -notlike "*_MONITOR*"
}

Write-Host "[INFO] Fixing PAUSE syntax (DOS 6.22 does not accept message)" -ForegroundColor Cyan
Write-Host ""

$TotalFixed = 0

foreach ($File in $BATFiles) {
    Write-Host "Processing: $($File.Name)" -ForegroundColor White

    $Lines = Get-Content $File.FullName
    $Modified = $false
    $NewLines = @()

    for ($i = 0; $i -lt $Lines.Count; $i++) {
        $Line = $Lines[$i]

        # Check if line starts with PAUSE followed by text
        if ($Line -match '^(\s*)PAUSE\s+(.+)$') {
            $Indent = $Matches[1]
            $Message = $Matches[2]

            # Replace with ECHO + PAUSE
            $NewLines += "${Indent}ECHO $Message"
            $NewLines += "${Indent}PAUSE"

            $Modified = $true
            $TotalFixed++
        } else {
            $NewLines += $Line
        }
    }

    if ($Modified) {
        $NewLines | Set-Content $File.FullName
        Write-Host "  [OK] Fixed PAUSE syntax" -ForegroundColor Green
    } else {
        Write-Host "  [OK] No PAUSE issues found" -ForegroundColor Green
    }
}

Write-Host ""
Write-Host "[SUCCESS] Fixed $TotalFixed PAUSE commands across all files" -ForegroundColor Green
Write-Host ""
Write-Host "DOS 6.22 PAUSE syntax:" -ForegroundColor Cyan
Write-Host "  CORRECT:" -ForegroundColor Green
Write-Host "    ECHO Press any key to continue..." -ForegroundColor White
Write-Host "    PAUSE" -ForegroundColor White
Write-Host ""
Write-Host "  INCORRECT (Windows NT/2000+):" -ForegroundColor Red
Write-Host "    PAUSE Press any key to continue..." -ForegroundColor Red
Write-Host ""