# Detailed analysis of GeViSet structure focusing on sections and properties

$filePath = "C:\Users\Administrator\Desktop\GeViSoft.set"
$data = [System.IO.File]::ReadAllBytes($filePath)

Write-Host "Detailed Structure Analysis" -ForegroundColor Cyan
Write-Host ("=" * 80)
Write-Host ""

# Parse first section manually and document every byte
$pos = 0

Write-Host "=== First Section (GeViSoft Parameters) ===" -ForegroundColor Yellow
Write-Host "Offset 0x00: Type = 0x$($data[$pos].ToString('X2')) (Section marker)"
$pos++

Write-Host "Offset 0x01: Length = $($data[$pos]) bytes"
$nameLength = $data[$pos]
$pos++

$sectionName = [System.Text.Encoding]::UTF8.GetString($data, $pos, $nameLength)
Write-Host "Offset 0x$(($pos).ToString('X2'))-0x$(($pos + $nameLength - 1).ToString('X2')): Name = '$sectionName'"
$pos += $nameLength

Write-Host ""
Write-Host "After section name, next bytes are:"
for ($i = 0; $i < 50; $i++) {
    $offset = $pos + $i
    $byte = $data[$offset]
    $hexByte = "0x$($byte.ToString('X2'))"

    # Try to interpret
    $interpretation = ""
    if ($byte -eq 0x00) { $interpretation = "Section" }
    elseif ($byte -eq 0x01) { $interpretation = "Boolean" }
    elseif ($byte -eq 0x02) { $interpretation = "Int64" }
    elseif ($byte -eq 0x04) { $interpretation = "Int32" }
    elseif ($byte -eq 0x07) { $interpretation = "Property Name" }
    elseif ($byte -eq 0x08) { $interpretation = "String" }
    elseif ($byte -ge 0x20 -and $byte -lt 0x7F) { $interpretation = "ASCII: '$([char]$byte)'" }

    Write-Host ("  +{0,3}: {1,-6} = {2,-3} {3}" -f $i, $hexByte, $byte, $interpretation)
}

Write-Host ""
Write-Host "=== Attempting to parse structure after section name ===" -ForegroundColor Yellow

# Reset to after section name
$pos = 2 + $nameLength

# Try reading as int32 + byte
$metadata1 = [BitConverter]::ToUInt32($data, $pos)
$pos += 4
Write-Host "Int32 value: $metadata1 (0x$($metadata1.ToString('X8')))"

$metadata2 = $data[$pos]
$pos++
Write-Host "Byte value: $metadata2 (0x$($metadata2.ToString('X2')))"

Write-Host ""
Write-Host "Next element:"
$nextType = $data[$pos]
Write-Host "Type marker: 0x$($nextType.ToString('X2'))"

if ($nextType -eq 0x00) {
    Write-Host "  -> This is a nested section"
    $pos++
    $subLen = $data[$pos]
    $pos++
    $subName = [System.Text.Encoding]::UTF8.GetString($data, $pos, $subLen)
    Write-Host "  -> Section name: '$subName' (length: $subLen)"
    $pos += $subLen

    # Check what follows
    Write-Host "  -> After nested section name:"
    for ($i = 0; $i < 10; $i++) {
        $byte = $data[$pos + $i]
        Write-Host ("     +{0}: 0x{1:X2} = {2}" -f $i, $byte, $byte)
    }
}

Write-Host ""
Write-Host "=== Looking at a property example (search for 'Enabled') ===" -ForegroundColor Yellow

$text = [System.Text.Encoding]::GetEncoding("ISO-8859-1").GetString($data)
$enabledPos = $text.IndexOf("Enabled")

if ($enabledPos -ge 0) {
    Write-Host "Found 'Enabled' at offset: 0x$($enabledPos.ToString('X'))"
    Write-Host "Context (20 bytes before and 20 after):"

    $start = [Math]::Max(0, $enabledPos - 20)
    for ($i = $start; $i -lt ($enabledPos + 30) -and $i -lt $data.Length; $i++) {
        $byte = $data[$i]
        $char = if ($byte -ge 0x20 -and $byte -lt 0x7F) { [char]$byte } else { '.' }
        $mark = if ($i -eq $enabledPos) { " <-- 'Enabled' starts here" } else { "" }

        Write-Host ("  0x{0:X4}: 0x{1:X2} = {2,3} '{3}' {4}" -f $i, $byte, $byte, $char, $mark)
    }
}