#Requires -Version 5.1
[CmdletBinding()]
param([string]$OutputDirectory,[ValidatePattern('^\d+\.\d+\.\d+$')][string]$Version='0.0.4')
Set-StrictMode -Version Latest
$ErrorActionPreference='Stop'
if (-not $OutputDirectory) { $OutputDirectory=Join-Path $PSScriptRoot 'dist' }
Add-Type -AssemblyName System.IO.Compression
Add-Type -AssemblyName System.IO.Compression.FileSystem
$output=[IO.Path]::GetFullPath($OutputDirectory)
[IO.Directory]::CreateDirectory($output) | Out-Null
$zipPath=Join-Path $output ("ms-private-$Version.zip")
if (Test-Path -LiteralPath $zipPath) {throw 'Archive already exists. Choose an empty output directory to avoid overwriting a release.'}
$root=[IO.Path]::GetFullPath($PSScriptRoot)
# Explicit source folders: never include local reports, research archives or dependencies.
$files=@(Get-ChildItem -LiteralPath $root -File | Where-Object { $_.Extension -in @('.ps1','.md') -or $_.Name -in @('.gitignore','.gitattributes') })
foreach ($folder in @('src','config','tests','docs','.gitea','ame','native')) {
    $files+=@(Get-ChildItem -LiteralPath (Join-Path $root $folder) -Recurse -File -Force | Where-Object { $_.FullName -notmatch '[\\/](bin|obj)[\\/]' })
}
$zip=[IO.Compression.ZipFile]::Open($zipPath,[IO.Compression.ZipArchiveMode]::Create)
try {
    foreach ($file in @($files | Sort-Object FullName)) {
        if (-not $file.FullName.StartsWith($root+'\',[StringComparison]::OrdinalIgnoreCase) -or ($file.Attributes -band [IO.FileAttributes]::ReparsePoint)) {throw 'Unsafe release input.'}
        $relative=$file.FullName.Substring($root.Length+1).Replace('\','/')
        [IO.Compression.ZipFileExtensions]::CreateEntryFromFile($zip,$file.FullName,('ms-private/'+$relative),[IO.Compression.CompressionLevel]::Optimal) | Out-Null
    }
} finally {$zip.Dispose()}
$hash=(Get-FileHash -LiteralPath $zipPath -Algorithm SHA256).Hash.ToLowerInvariant()
[IO.File]::WriteAllText((Join-Path $output 'SHA256SUMS.txt'),($hash+'  '+[IO.Path]::GetFileName($zipPath)+[Environment]::NewLine),[Text.UTF8Encoding]::new($false))
Write-Output "Created $zipPath ($($files.Count) source files). SHA256: $hash"