name: Build and test
on:
  pull_request:
  push:
    branches:
      - main
jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        rust: [stable, beta, nightly]
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Cache cargo registry
        uses: actions/cache@v4
        with:
          path: ~/.cargo/registry
          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
      - name: Cache cargo index
        uses: actions/cache@v4
        with:
          path: ~/.cargo/git
          key: ${{ runner.os }}-cargo-git-${{ hashFiles('**/Cargo.lock') }}
      - name: Cache cargo build
        uses: actions/cache@v4
        with:
          path: target
          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
      - name: Set up Rust
        uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: ${{ matrix.rust }}
      - name: Install grcov
        uses: taiki-e/install-action@v2
        with:
          tool: grcov
      - name: Add llvm-tools-preview
        run: rustup component add llvm-tools-preview
      - name: Build and test
        run: |
          cargo build --verbose
          cargo test --verbose
        env:
          RUSTFLAGS: -Cinstrument-coverage
          LLVM_PROFILE_FILE: "%p-%m.profraw"
      - name: Generate lcov.info
        run: |
          grcov . --binary-path ./target/debug/ -s . -t lcov --branch --ignore-not-existing --ignore "/*" -o lcov.info
      - name: Upload coverage reports to Codecov
        uses: codecov/codecov-action@v4.0.1
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          file: lcov.info