name: Release (pyosys wheels)

on:
  push:
    branches:
      - main
  workflow_dispatch:

permissions:
  contents: write

jobs:
  build-linux-wheel:
    runs-on: ubuntu-latest
    name: Build Linux amd64 wheel

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          submodules: recursive
          ssh-key: ${{ secrets.SSH_PRIVATE_KEY }}

      - name: Build wheel in Alpine container
        run: |
          docker run --rm \
            -v "${{ github.workspace }}:/src" \
            -w /src \
            --platform linux/amd64 \
            alpine:3.20 sh -c '
              set -ex
              apk add --no-cache \
                build-base bison flex flex-dev gperf \
                tcl-dev readline-dev zlib-dev libffi-dev \
                libdwarf-dev elfutils-dev \
                python3 python3-dev py3-pip py3-setuptools py3-wheel \
                git pkgconf ccache

              git config --global --add safe.directory /src
              git submodule foreach --recursive git config --global --add safe.directory \$toplevel/\$sm_path

              # Alpine/musl compatibility shims for Verific tclmain link step
              ln -sf /usr/lib/libtcl8.6.so /usr/lib/libtcl.so
              echo "void dummy_nsl(void){}" | gcc -shared -o /usr/lib/libnsl.so -x c -

              # Build Verific TCL main (needed before Yosys)
              cd /src/verific/tclmain
              make
              cd /src

              # Build the wheel via setup.py
              pip install --break-system-packages pybind11 cxxheaderparser
              _PYOSYS_OVERRIDE_VER=$(
                grep "^YOSYS_VER " Makefile | head -1 | sed "s/.*:= *//" | tr "+" "."
              ) python3 setup.py bdist_wheel --dist-dir /src/dist
            '

      - name: Generate release notes
        id: meta
        run: |
          SHORT_SHA=$(git rev-parse --short HEAD)
          FULL_SHA=$(git rev-parse HEAD)
          DATE=$(date -u +%Y-%m-%d)
          echo "short_sha=$SHORT_SHA" >> "$GITHUB_OUTPUT"
          echo "date=$DATE" >> "$GITHUB_OUTPUT"
          REPO_URL="${{ github.server_url }}/${{ github.repository }}"
          printf '%s\n' \
            "Automated build from \`main\` @ [\`${SHORT_SHA}\`](${REPO_URL}/commit/${FULL_SHA})" \
            "" \
            "**Built:** ${DATE}" \
            "" \
            "### Assets" \
            "| File | Platform |" \
            "|------|----------|" \
            "| \`pyosys-*-linux_x86_64.whl\` | Linux x86-64 |" \
            "| \`pyosys-*-macosx_*_arm64.whl\` | macOS Apple Silicon |" \
            "" \
            "### Installation" \
            "\`\`\`bash" \
            "pip install pyosys-*.whl" \
            "\`\`\`" \
            > release_notes.md

      - name: Create permanent release
        run: |
          TAG="build-${{ steps.meta.outputs.date }}-${{ steps.meta.outputs.short_sha }}"
          gh release create "$TAG" \
            dist/*.whl \
            --target "${{ github.sha }}" \
            --title "Build ${{ steps.meta.outputs.date }} (${{ steps.meta.outputs.short_sha }})" \
            --notes-file release_notes.md
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Update latest release
        run: |
          git tag -f latest HEAD
          git push -f origin latest
          gh release delete latest --yes 2>/dev/null || true
          gh release create latest \
            dist/*.whl \
            --target "${{ github.sha }}" \
            --title "Latest Build (${{ steps.meta.outputs.date }})" \
            --notes-file release_notes.md \
            --prerelease
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  build-macos-wheel:
    runs-on: macos-15
    name: Build macOS arm64 wheel

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          submodules: recursive
          ssh-key: ${{ secrets.SSH_PRIVATE_KEY }}

      - uses: actions/setup-python@v5
        with:
          python-version: '3.13'

      - name: Install dependencies
        run: |
          brew install bison flex gperf tcl-tk@8 readline libffi dwarfutils libelf ccache
          pip3 install pybind11 cxxheaderparser setuptools wheel

      - name: Build Verific tclmain
        run: |
          export PATH="$(brew --prefix bison)/bin:$(brew --prefix flex)/bin:$PATH"
          export MACOSX_DEPLOYMENT_TARGET=11.0
          cd verific/tclmain
          make

      - name: Build wheel
        run: |
          export PATH="$(brew --prefix bison)/bin:$(brew --prefix flex)/bin:$PATH"
          export MACOSX_DEPLOYMENT_TARGET=11.0
          _PYOSYS_OVERRIDE_VER=$(
            grep "^YOSYS_VER " Makefile | head -1 | sed "s/.*:= *//" | tr "+" "."
          ) python3 setup.py bdist_wheel --dist-dir dist

      - name: Upload to permanent release
        run: |
          SHORT_SHA=$(git rev-parse --short HEAD)
          DATE=$(date -u +%Y-%m-%d)
          TAG="build-${DATE}-${SHORT_SHA}"
          until gh release view "$TAG" >/dev/null 2>&1; do sleep 5; done
          for i in 1 2 3 4 5; do
            gh release upload "$TAG" dist/*.whl --clobber && break
            echo "Upload attempt $i failed, retrying in 15s..."
            sleep 15
          done
          until gh release view latest >/dev/null 2>&1; do sleep 5; done
          for i in 1 2 3 4 5; do
            gh release upload latest dist/*.whl --clobber && break
            echo "Upload attempt $i failed, retrying in 15s..."
            sleep 15
          done
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}