param(
    [ValidatePattern('^[A-Za-z0-9_]+(-[A-Za-z0-9_]+)+$')]
    [string]$Target = "x86_64-pc-windows-msvc"
)
$ErrorActionPreference = "Stop"
$project = Split-Path $PSScriptRoot -Parent
Push-Location $project
try {
    $rustInfo = rustc -vV
    if ($LASTEXITCODE -ne 0) { throw "Could not determine Rust host target" }
    $hostTarget = (($rustInfo | Select-String '^host: ').ToString() -replace '^host: ', '')
    $targetDir = if ($env:CARGO_TARGET_DIR) { $env:CARGO_TARGET_DIR } else { "target" }
    $executable = if ($Target -match '-windows-') { "first_person_maze.exe" } else { "first_person_maze" }
    if ($Target -eq $hostTarget) {
        cargo build --release --locked
        $binary = Join-Path $targetDir "release/$executable"
    } else {
        cargo build --release --locked --target $Target
        $binary = Join-Path $targetDir "$Target/release/$executable"
    }
    if ($LASTEXITCODE -ne 0) { throw "Cargo build failed" }
    if (-not (Test-Path -LiteralPath $binary -PathType Leaf)) { throw "Missing binary: $binary" }
    $releaseRoot = [System.IO.Path]::GetFullPath((Join-Path $project "release"))
    $destination = [System.IO.Path]::GetFullPath((Join-Path $releaseRoot "$Target/first_person_maze"))
    if (-not $destination.StartsWith($releaseRoot + [System.IO.Path]::DirectorySeparatorChar, [System.StringComparison]::OrdinalIgnoreCase)) {
        throw "Package destination is outside the release directory"
    }
    if (Test-Path -LiteralPath $destination) {
        Remove-Item -LiteralPath $destination -Recurse -Force
    }
    New-Item -ItemType Directory -Force -Path $destination | Out-Null
    Copy-Item -LiteralPath $binary -Destination $destination
    $audioDestination = Join-Path $destination "assets/audio"
    New-Item -ItemType Directory -Force -Path $audioDestination | Out-Null
    Get-ChildItem -LiteralPath "assets/audio" -Filter "*.wav" -File | Copy-Item -Destination $audioDestination
    Copy-Item -LiteralPath "README.md" -Destination $destination
    Write-Host "Package: $destination"
} finally { Pop-Location }