# macOS용 ffmpeg/ffprobe 사이드카 — arm64 + x64를 받아 lipo로 universal 생성.
# CI(macos-14)에서 실행. 실패 시 개별 아키텍처 바이너리라도 배치한다.
# 참고: Martin Riedl 빌드(ffmpeg.martin-riedl.de) — 서명·공증됨.

$ErrorActionPreference = "Stop"
$root = Split-Path $PSScriptRoot -Parent
$binDir = Join-Path $root "src-tauri/binaries"
New-Item -ItemType Directory -Force $binDir | Out-Null

# Riedl 최신 릴리스 API (arm64/amd64 각각 ffmpeg/ffprobe zip)
$api = "https://ffmpeg.martin-riedl.de/api/v1/latest"
$release = Invoke-RestMethod $api

function Get-Tool($arch, $tool) {
    $tmp = Join-Path ([System.IO.Path]::GetTempPath()) "ff-$arch-$tool"
    New-Item -ItemType Directory -Force $tmp | Out-Null
    $entry = $release.$tool.$arch
    if (-not $entry) { throw "$tool/$arch 다운로드 정보 없음" }
    $zip = Join-Path $tmp "$tool.zip"
    Invoke-WebRequest $entry.url -OutFile $zip
    Expand-Archive $zip -DestinationPath $tmp -Force
    $bin = Get-ChildItem $tmp -Recurse -Filter $tool | Select-Object -First 1
    return $bin.FullName
}

foreach ($tool in @("ffmpeg", "ffprobe")) {
    $arm = Get-Tool "arm64" $tool
    $x64 = Get-Tool "amd64" $tool
    $out = Join-Path $binDir "$tool-universal-apple-darwin"
    # lipo로 universal 결합
    & lipo -create $arm $x64 -output $out
    & chmod +x $out
    Write-Host "[fetch-ffmpeg-macos] $out (universal)"
}