# Extract CHM file contents using hh.exe and ITS protocol

param(
    [string]$ChmPath = "C:\GEVISOFT\Documentation\GeViSoft .NET SDK API Documentation.chm",
    [string]$OutputDir = "C:\DEV\COPILOT\geutebruck-api\docs\chm-extracted"
)

$ErrorActionPreference = "Continue"

Write-Host "Extracting CHM file..." -ForegroundColor Cyan
Write-Host "Source: $ChmPath" -ForegroundColor Gray
Write-Host "Output: $OutputDir" -ForegroundColor Gray
Write-Host ""

# Create output directory
New-Item -ItemType Directory -Force -Path $OutputDir | Out-Null

# Try method 1: hh.exe with -decompile
Write-Host "[1] Trying hh.exe -decompile..." -ForegroundColor Yellow
$result = Start-Process -FilePath "hh.exe" -ArgumentList "-decompile", $OutputDir, $ChmPath -Wait -PassThru -NoNewWindow
Write-Host "    Exit code: $($result.ExitCode)" -ForegroundColor Gray

# Check if files were created
$files = Get-ChildItem -Path $OutputDir -Recurse -File
Write-Host "    Files extracted: $($files.Count)" -ForegroundColor Gray

if ($files.Count -eq 0) {
    Write-Host "[2] Trying expand.exe..." -ForegroundColor Yellow
    expand.exe $ChmPath $OutputDir
    $files = Get-ChildItem -Path $OutputDir -Recurse -File
    Write-Host "    Files extracted: $($files.Count)" -ForegroundColor Gray
}

if ($files.Count -gt 0) {
    Write-Host ""
    Write-Host "[OK] Successfully extracted CHM contents" -ForegroundColor Green
    Write-Host ""
    Write-Host "HTML files found:" -ForegroundColor Cyan
    $htmlFiles = $files | Where-Object { $_.Extension -match '\.(html?|htm)$' } | Select-Object -First 10
    foreach ($file in $htmlFiles) {
        Write-Host "  - $($file.Name)" -ForegroundColor White
    }
} else {
    Write-Host ""
    Write-Host "[ERROR] Could not extract CHM file" -ForegroundColor Red
    Write-Host ""
    Write-Host "Alternative: You can manually extract using:" -ForegroundColor Yellow
    Write-Host "  1. 7-Zip: Right-click CHM -> 7-Zip -> Extract" -ForegroundColor Gray
    Write-Host "  2. CHM Decoder: http://www.manmrk.net/tutorials/CHM/" -ForegroundColor Gray
    Write-Host "  3. View in browser: mk:@MSITStore:$ChmPath" -ForegroundColor Gray
}