name: Continuous integration

on:
  pull_request:
    branches:
      - main
  push:
    branches:
      - main
  merge_group:
    types: [checks_requested]

env:
  RUSTFLAGS: -Dwarnings

jobs:
  coverage:
    name: Coverage
    runs-on: ubuntu-latest
    timeout-minutes: 60
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

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

      - uses: Swatinem/rust-cache@v2
        with:
          key: tarpaulin
      - name: Install cargo-tarpaulin
        uses: baptiste0928/cargo-install@v3.1.0
        with:
          crate: cargo-tarpaulin

      - name: Run tarpaulin
        run: cargo tarpaulin --workspace --features annex-b,intl_bundled,experimental --ignore-tests --engine llvm --out xml

      - name: Upload to codecov.io
        uses: codecov/codecov-action@v4

  tests:
    name: Test
    runs-on: ${{ matrix.os }}
    timeout-minutes: 60
    env:
      RUSTUP_WINDOWS_PATH_ADD_BIN: 1
    strategy:
      matrix:
        os:
          - macos-latest
          - windows-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

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

      - uses: Swatinem/rust-cache@v2
      - name: Build tests
        run: cargo test --no-run --profile ci
      # this order is faster according to rust-analyzer
      - name: Build
        run: cargo build --all-targets --quiet --profile ci --features annex-b,intl_bundled,experimental
      - name: Install latest nextest
        uses: taiki-e/install-action@nextest
      - name: Test with nextest
        run: cargo nextest run --profile ci --cargo-profile ci --features annex-b,intl_bundled,experimental
      - name: Test docs
        run: cargo test --doc --profile ci --features annex-b,intl_bundled,experimental

  msrv:
    name: MSRV
    runs-on: ubuntu-latest
    timeout-minutes: 60
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      # Get the rust_version from the Cargo.toml
      - name: Get rust_version
        id: rust_version
        run: echo "rust_version=$(grep '^rust-version' Cargo.toml | cut -d' ' -f3 | tr -d '"')" >> $GITHUB_OUTPUT

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: ${{ steps.rust_version.outputs.rust_version }}

      - name: Check compilation
        run: cargo check --all-features --all-targets

  fmt:
    name: Formatting
    runs-on: ubuntu-latest
    timeout-minutes: 60
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

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

      - name: Format (rustfmt)
        run: cargo fmt --all --check

  clippy:
    name: Lint
    runs-on: ubuntu-latest
    timeout-minutes: 60
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

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

      - uses: Swatinem/rust-cache@v2
        with:
          key: clippy

      - name: Install cargo-workspaces
        run: cargo install cargo-workspaces

      - name: Clippy (All features)
        run: cargo workspaces exec cargo clippy --all-features --all-targets
      - name: Clippy (No features)
        run: cargo workspaces exec cargo clippy --no-default-features --all-targets
      - name: Clippy (Intl)
        run: cargo clippy -p boa_engine --features intl
      - name: Clippy (Annex-B)
        run: cargo clippy -p boa_engine --features annex-b
      - name: Clippy (Experimental)
        run: cargo clippy -p boa_engine --features experimental

  docs:
    name: Documentation
    runs-on: ubuntu-latest
    timeout-minutes: 60
    env:
      RUSTDOCFLAGS: -D warnings
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

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

      - uses: Swatinem/rust-cache@v2
        with:
          key: docs
      - name: Generate documentation
        run: cargo doc -v --document-private-items --all-features

  build-fuzz:
    name: Fuzzing
    runs-on: ubuntu-latest
    timeout-minutes: 60
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

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

      - uses: Swatinem/rust-cache@v2
        with:
          key: build-fuzz

      - name: Install cargo-fuzz
        run: cargo install cargo-fuzz

      - name: Build fuzz
        run: cd tests/fuzz && cargo fuzz build -s none --dev

  build-run-examples:
    name: Build & run examples
    runs-on: ubuntu-latest
    timeout-minutes: 60
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

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

      - uses: Swatinem/rust-cache@v2
        with:
          key: build-run-examples

      - name: Install cargo-workspaces
        run: cargo install cargo-workspaces

      - name: Build (All features)
        run: cargo workspaces exec cargo build --all-features --all-targets --profile ci
      - name: Build (No features)
        run: cargo workspaces exec cargo build --no-default-features --all-targets --profile ci

      - name: Run examples
        run: |
          cd examples
          cargo run -p boa_examples --bin 2>&1 \
            | grep -E '^ ' \
            | xargs -n1 sh -c 'cargo run -p boa_examples --profile ci --bin $0 || exit 255'