param(
  [Parameter(Mandatory=$true)][string]$Version,   # v3 or v4
  [Parameter(Mandatory=$true)][string]$BinPath,  # path to target\release\avidaed_onefile.exe
  [Parameter(Mandatory=$true)][string]$WV2Fixed  # path to WebView2 Fixed Runtime folder
)
$Work = Join-Path $PSScriptRoot "payload_$Version"
Remove-Item $Work -Recurse -Force -ErrorAction SilentlyContinue
New-Item -ItemType Directory -Force -Path $Work | Out-Null
Copy-Item $BinPath -Destination (Join-Path $Work "avidaed_onefile.exe")
Copy-Item $WV2Fixed -Destination (Join-Path $Work "WebView2Fixed") -Recurse

# launcher
$runbat = @"
@echo off
setlocal
set WEBVIEW2_BROWSER_EXECUTABLE_FOLDER=%~dp0WebView2Fixed
start "" "%~dp0avidaed_onefile.exe"
"@
$runbat | Out-File -Encoding ASCII (Join-Path $Work "run.bat")

# create 7z archive
$SevenZip = "C:\Program Files\7-Zip\7z.exe"
& $SevenZip a -t7z (Join-Path $PSScriptRoot "payload_$Version.7z") "$Work\*"

# concatenate SFX + config + archive -> one EXE
$Sfx = Join-Path $PSScriptRoot "7z.sfx"
$Cfg = Join-Path $PSScriptRoot "config.txt"
$Out = Join-Path $PSScriptRoot ("Avida-ED-$Version-Windows.exe")
Get-Content $Sfx -Encoding Byte, $Cfg -Encoding Byte, (Join-Path $PSScriptRoot "payload_$Version.7z") -Encoding Byte |
  Set-Content $Out -Encoding Byte
Write-Host "Wrote $Out"