param(
    [Parameter(ValueFromRemainingArguments = $true)]
    [string[]]$PipArgs
)

$repoRoot = (Resolve-Path (Join-Path $PSScriptRoot "..")).Path

# Keep pip artifacts local for easy cleanup on minimal/portable machines.
$env:PIP_CACHE_DIR = Join-Path $repoRoot ".pip\cache"
$env:TEMP = Join-Path $repoRoot ".tmp\pip-temp"
$env:TMP = $env:TEMP

New-Item -ItemType Directory -Force -Path $env:PIP_CACHE_DIR | Out-Null
New-Item -ItemType Directory -Force -Path $env:TEMP | Out-Null

# Clear proxy/no-index env vars that commonly break package fetch.
Remove-Item Env:HTTP_PROXY -ErrorAction SilentlyContinue
Remove-Item Env:HTTPS_PROXY -ErrorAction SilentlyContinue
Remove-Item Env:ALL_PROXY -ErrorAction SilentlyContinue
Remove-Item Env:http_proxy -ErrorAction SilentlyContinue
Remove-Item Env:https_proxy -ErrorAction SilentlyContinue
Remove-Item Env:all_proxy -ErrorAction SilentlyContinue
Remove-Item Env:GIT_HTTP_PROXY -ErrorAction SilentlyContinue
Remove-Item Env:GIT_HTTPS_PROXY -ErrorAction SilentlyContinue
Remove-Item Env:PIP_NO_INDEX -ErrorAction SilentlyContinue

# Keep behavior deterministic and avoid interactive/network hangs.
$env:PIP_DISABLE_PIP_VERSION_CHECK = "1"
$env:PIP_DEFAULT_TIMEOUT = "30"
$env:PIP_RETRIES = "2"

if (-not $PipArgs -or $PipArgs.Count -eq 0) {
    Write-Host "Usage: ./scripts/pip-min.ps1 <pip args>"
    Write-Host "Example: ./scripts/pip-min.ps1 install --index-url https://pypi.org/simple faster-whisper"
    exit 2
}

# Default install target to a repo-local directory so installs do not require
# user/site-packages write access on constrained hosts.
$effectiveArgs = @($PipArgs)
$firstArg = $effectiveArgs[0].ToLowerInvariant()
if ($firstArg -eq "install") {
    # On Windows, map PyAudio to pyaudiowpatch (wheel available for newer CPython),
    # avoiding source builds that require PortAudio headers/toolchain wiring.
    for ($i = 0; $i -lt $effectiveArgs.Count; $i++) {
        $arg = $effectiveArgs[$i]
        if ($arg -match '^(?i)pyaudio($|[<>=!~].*)') {
            $suffix = $arg.Substring(7)
            $effectiveArgs[$i] = "pyaudiowpatch$suffix"
            Write-Host "pip-min: mapped '$arg' -> '$($effectiveArgs[$i])' on Windows."
        }
    }

    $hasTarget = $effectiveArgs -contains "--target" -or $effectiveArgs -contains "-t" -or $effectiveArgs -contains "--prefix"
    if (-not $hasTarget) {
        $effectiveArgs = $effectiveArgs | Where-Object { $_ -ne "--user" }
        $localTarget = Join-Path $repoRoot ".pydeps\py314"
        New-Item -ItemType Directory -Force -Path $localTarget | Out-Null
        $effectiveArgs += @("--target", $localTarget)
        Write-Host "pip-min: using local target $localTarget"
    }
}

$pipWrapper = Join-Path $PSScriptRoot "pip_safe.py"
if (Test-Path $pipWrapper) {
    & python $pipWrapper @effectiveArgs
} else {
    & python -m pip @effectiveArgs
}
exit $LASTEXITCODE