# PowerShell script to create game patches for itch.io distribution
# Run this from the tekton-enet project root

param(
    [Parameter(Mandatory=$true)]
    [string]$Version,
    
    [string]$GodotPath = "godot",
    [string]$OutputDir = ".\dist"
)

Write-Host "=== Tekton Patch Creator ===" -ForegroundColor Cyan
Write-Host "Creating patch for version: $Version" -ForegroundColor Yellow

# Create output directory
if (-not (Test-Path $OutputDir)) {
    New-Item -ItemType Directory -Path $OutputDir | Out-Null
}

$PckName = "tekton-local-$Version.pck"
$PckPath = Join-Path $OutputDir $PckName

# Update version file
Write-Host "Updating version.txt..." -ForegroundColor Green
Set-Content -Path ".\version.txt" -Value $Version

# Export PCK only (no executable)
Write-Host "Exporting PCK file..." -ForegroundColor Green
Write-Host "Note: Run this export from the Godot editor or configure export preset first"

# Generate checksums
Write-Host "Generating checksums..." -ForegroundColor Green

if (Test-Path $PckPath) {
    $md5 = (Get-FileHash -Path $PckPath -Algorithm MD5).Hash.ToLower()
    $sha256 = (Get-FileHash -Path $PckPath -Algorithm SHA256).Hash.ToLower()
    $size = (Get-Item $PckPath).Length
    
    Write-Host "MD5: $md5" -ForegroundColor White
    Write-Host "SHA256: $sha256" -ForegroundColor White
    Write-Host "Size: $size bytes" -ForegroundColor White
    
    # Generate JSON snippet for version.json
    $jsonSnippet = @"
{
  "version": "$Version",
  "date": "$(Get-Date -Format 'yyyy-MM-dd')",
  "pck_url": "https://your-username.itch.io/tekton-local/files/$PckName",
  "pck_size": $size,
  "checksum_md5": "$md5",
  "checksum_sha256": "$sha256",
  "changelog": [
    "Add your changelog items here"
  ],
  "required": false
}
"@
    
    $snippetPath = Join-Path $OutputDir "release-$Version.json"
    Set-Content -Path $snippetPath -Value $jsonSnippet
    
    Write-Host "`nRelease JSON snippet saved to: $snippetPath" -ForegroundColor Green
    Write-Host "Copy this into your version.json releases array" -ForegroundColor Yellow
} else {
    Write-Host "PCK file not found at: $PckPath" -ForegroundColor Red
    Write-Host "Please export the PCK manually from Godot:" -ForegroundColor Yellow
    Write-Host "  1. Open project in Godot Editor" -ForegroundColor White
    Write-Host "  2. Go to Project > Export..." -ForegroundColor White
    Write-Host "  3. Configure Windows Desktop preset" -ForegroundColor White
    Write-Host "  4. Click 'Export PCK/ZIP' and save as $PckName" -ForegroundColor White
}

Write-Host "`n=== Patch Creation Complete ===" -ForegroundColor Cyan
Write-Host "Next steps:" -ForegroundColor Yellow
Write-Host "  1. Upload $PckName to itch.io" -ForegroundColor White
Write-Host "  2. Update version.json with the new release entry" -ForegroundColor White
Write-Host "  3. Upload updated version.json to itch.io" -ForegroundColor White