name: CI

on:
  push:
  pull_request:
    branches: [ master ]

env:
  CARGO_TERM_COLOR: always

jobs:
  style:
    name: Check style
    runs-on: ubuntu-latest

    steps:
    - name: Checkout the repo
      uses: actions/checkout@v2

    - name: Install rust
      uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        components: rustfmt
        profile: minimal
        override: true

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

  clippy:
    name: Run clippy
    needs: [style]
    runs-on: ubuntu-latest

    steps:
    - name: Checkout the repo
      uses: actions/checkout@v2

    - name: Install rust
      uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        components: clippy
        profile: minimal
        override: true

    - name: Clippy
      uses: actions-rs/cargo@v1
      with:
        command: clippy
        args: --all-targets -- -D warnings

  test:
    name: ${{ matrix.name }}
    needs: [clippy]

    runs-on: ${{ matrix.os || 'ubuntu-latest' }}
    strategy:
      matrix:
        name:
          - linux / stable
          - linux / beta
          - macOS / stable
          - windows / stable-x86_64-msvc

        include:
          - name: linux / stable

          - name: linux / beta
            rust: beta

          - name: macOS / stable
            os: macOS-latest

          - name: windows / stable-x86_64-msvc
            os: windows-latest
            target: x86_64-pc-windows-msvc

    steps:
      - name: Checkout
        uses: actions/checkout@v1

      - name: Install rust
        uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.rust || 'stable' }}
          target: ${{ matrix.target }}
          profile: minimal
          override: true

      - name: Build
        uses: actions-rs/cargo@v1
        with:
          command: build

      - name: Test
        uses: actions-rs/cargo@v1
        with:
          command: test