release.yml

# Build distributables for Linux, macOS (arm64), and Windows; attach to GitHub Releases.
name: Release

on:
  release:
    types: [published]
  workflow_dispatch:

permissions:
  contents: write

jobs:
  build:
    name: ${{ matrix.label }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            label: linux-x64
            outfile: dist/acestep-api
            binary: dist/acestep-api
            archive: tar
          - os: macos-latest
            label: macos-arm64
            outfile: dist/acestep-api
            binary: dist/acestep-api
            archive: tar
          - os: windows-latest
            label: windows-x64
            outfile: dist/acestep-api.exe
            binary: dist/acestep-api.exe
            archive: zip

    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          submodules: false

      - name: Submodule ACE-Step-DAW only (non-recursive)
        shell: bash
        run: |
          git submodule sync -- ACE-Step-DAW
          git submodule update --init --depth 1 -- ACE-Step-DAW

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: latest

      - name: Install dependencies
        run: bun install --frozen-lockfile

      - name: Bundle acestep.cpp runtime (v0.0.3)
        run: bun run bundle:acestep

      - name: Create dist directory
        shell: bash
        run: mkdir -p dist

      - name: Compile standalone binary
        run: bun build ./src/index.ts --compile --minify --sourcemap=external --outfile ${{ matrix.outfile }}

      - name: Sync acestep-runtime next to binary
        run: bun run sync:runtime

      - name: Verify binary exists
        shell: bash
        run: test -f "${{ matrix.binary }}"

      - name: Package (tar.gz)
        id: pack-tar
        if: matrix.archive == 'tar'
        shell: bash
        env:
          VERSION: ${{ github.event.release.tag_name || github.ref_name }}
        run: |
          NAME="acestep-api-${VERSION}-${{ matrix.label }}"
          mkdir -p "pack/${NAME}"
          if [ -d dist/acestep-runtime ]; then cp -R dist/acestep-runtime "pack/${NAME}/"; fi
          cp "${{ matrix.binary }}" "pack/${NAME}/"
          (cd pack && tar -czvf "../${NAME}.tar.gz" "${NAME}")
          echo "asset=${NAME}.tar.gz" >> "$GITHUB_OUTPUT"
          ls -la "${NAME}.tar.gz"

      - name: Package (zip)
        id: pack-zip
        if: matrix.archive == 'zip'
        shell: pwsh
        env:
          VERSION: ${{ github.event.release.tag_name || github.ref_name }}
        run: |
          $label = '${{ matrix.label }}'
          $name = "acestep-api-$env:VERSION-$label"
          New-Item -ItemType Directory -Force -Path "pack/$name" | Out-Null
          if (Test-Path dist/acestep-runtime) { Copy-Item -Recurse dist/acestep-runtime "pack/$name/" }
          Copy-Item "${{ matrix.binary }}" "pack/$name/"
          Compress-Archive -Path "pack/$name" -DestinationPath "$name.zip" -Force
          Add-Content -Path $env:GITHUB_OUTPUT -Value "asset=$name.zip"
          Get-Item "$name.zip"

      - name: Upload artifact (tar)
        if: matrix.archive == 'tar'
        uses: actions/upload-artifact@v4
        with:
          name: package-${{ matrix.label }}
          path: ${{ steps.pack-tar.outputs.asset }}
          if-no-files-found: error

      - name: Upload artifact (zip)
        if: matrix.archive == 'zip'
        uses: actions/upload-artifact@v4
        with:
          name: package-${{ matrix.label }}
          path: ${{ steps.pack-zip.outputs.asset }}
          if-no-files-found: error

  attach-to-release:
    name: Upload release assets
    needs: build
    if: github.event_name == 'release'
    runs-on: ubuntu-latest
    steps:
      - name: Download all packages
        uses: actions/download-artifact@v4
        with:
          pattern: package-*
          path: downloaded
          merge-multiple: true

      - name: Flatten assets for upload
        shell: bash
        run: |
          mkdir -p flat
          find downloaded -type f \( -name '*.tar.gz' -o -name '*.zip' \) -exec cp -v {} flat/ \;
          ls -la flat/

      - name: Upload to GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          files: flat/*
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}