name: CI
on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
jobs:
  test:
    runs-on: ubuntu-latest
    container: rust:latest
    steps:
      - uses: actions/checkout@v4
      - name: Cache cargo registry/target
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
      - name: Install rustfmt & clippy components
        run: rustup component add rustfmt clippy
      - name: Install thumbv7em-none-eabihf target
        run: rustup target add thumbv7em-none-eabihf
      - name: Install cargo-audit
        run: cargo install cargo-audit --locked
      - name: Install cargo-deny
        run: cargo install cargo-deny --locked
      - name: Run CI script
        run: bash scripts/ci-test.sh
  benchmark:
    runs-on: ubuntu-latest
    container: rust:latest
    if: github.ref == 'refs/heads/main' || github.event_name == 'pull_request'
    steps:
      - uses: actions/checkout@v4
      - name: Cache cargo registry/target
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ runner.os }}-bench-${{ hashFiles('**/Cargo.lock') }}
      - name: Save baseline on main
        if: github.ref == 'refs/heads/main'
        run: |
          cargo bench -p clawhdf5-agent --bench memory_bench -- --save-baseline main 2>&1 || true
      - name: Compare against baseline on PRs
        if: github.event_name == 'pull_request'
        run: |
          # Download the saved baseline artifact from the target branch if available
          cargo bench -p clawhdf5-agent --bench memory_bench -- --load-baseline main --baseline main 2>&1 | tee /tmp/bench_output.txt || true
          if grep -q "Performance has regressed" /tmp/bench_output.txt; then
            echo "::error::Benchmark regression detected — see bench output above"
            exit 1
          fi