name: ci

on:
  push:
  pull_request:

jobs:
  build-and-smoke:
    # ubuntu-24.04 (x86-64) and macos-14 (Apple Silicon / aarch64) validate both
    # platforms, including the Apple Silicon JIT guard in the C runner.
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-24.04, macos-14]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.11"

      - name: Build runners
        run: ./scripts/setup.sh

      - name: Install harness
        run: pip install -e ./harness

      - name: Run reference C unit tests
        run: |
          cmake --build build/runners/c --target equix-tests
          ./build/runners/c/equix_ext/equix-tests

      - name: Harness pytest
        run: |
          pip install pytest
          pytest -q harness/tests

      - name: Smoke benchmark
        run: python -m equix_bench run --config configs/smoke.toml --out results/

      - name: Cross-implementation correctness gate
        run: python -m equix_bench run --config configs/smoke.toml --out results/ --crosscheck-only

      - name: Multi-CPU combine (two labelled runs, faceted + cross-CPU figures)
        run: |
          python -m equix_bench run --config configs/smoke.toml --out runA/ --device-label ci-cpu-a
          python -m equix_bench run --config configs/smoke.toml --out runB/ --device-label ci-cpu-b
          python -m equix_bench combine --inputs runA runB --out combined/
          test -f combined/plots/xdev_throughput.png
          test -f combined/plots/solve_time_by_runtime.png

      - name: Upload results (report + plots)
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: smoke-results-${{ matrix.os }}
          path: |
            results/
            combined/