---
name: Main workflow
on:
  push:
    paths-ignore:
      - "**.md"

  pull_request:
    paths-ignore:
      - "**.md"

jobs:
  # Run the `rustfmt` code formatter
  rustfmt:
    name: Rustfmt [Formatter]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          components: rustfmt
          override: true
      - run: rustup component add rustfmt
      - uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

  # Run the `clippy` linting tool
  clippy:
    name: Clippy [Linter]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          components: clippy
          override: true
      - uses: actions-rs/clippy-check@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          args: --all-targets --all-features -- -D clippy::all

  # Run a security audit on dependencies
  cargo_audit:
    name: Cargo Audit [Security]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
      - run: cargo install --force cargo-audit
      - run: cargo generate-lockfile
      - uses: actions-rs/cargo@v1
        with:
          command: audit

  # Ensure that the project could be successfully compiled
  cargo_check:
    name: Compile
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true

      - uses: actions-rs/cargo@v1
        with:
          command: check
          args: --all

  # Run tests on Linux, macOS, and Windows
  # On both Rust stable and Rust nightly
  test:
    name: Test Suite
    needs: [cargo_check]
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macOS-latest, windows-latest]
        rust: [stable, nightly]

    steps:
      # Checkout the branch being tested
      - uses: actions/checkout@v2

      # Cache files between builds
      - name: Cache cargo registry
        uses: actions/cache@v1
        with:
          path: ~/.cargo/registry
          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}

      - name: Cache cargo index
        uses: actions/cache@v1
        with:
          path: ~/.cargo/git
          key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}

      - name: Cache cargo build
        uses: actions/cache@v1
        with:
          path: target
          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}

      # Install all the required dependencies for testing
      - uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true

      - name: Run all tests
        uses: actions-rs/cargo@v1
        with:
          command: test