on:
  push:
    branches:
      - main
    tags:
      - "*"
  pull_request:

name: CI
jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true

      # make sure all code has been formatted with rustfmt
      - run: rustup component add rustfmt
      - name: check rustfmt
        uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: -- --check --color always

      # run clippy to verify we have no warnings
      - run: rustup component add clippy
      - name: cargo fetch
        uses: actions-rs/cargo@v1
        with:
          command: fetch
      - name: cargo clippy
        uses: actions-rs/cargo@v1
        with:
          command: clippy
          args: --lib --tests -- -D warnings

  test:
    name: Test
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macOS-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
      - name: cargo fetch
        uses: actions-rs/cargo@v1
        with:
          command: fetch
      - name: cargo test
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --release

  publish-check:
    name: Publish Check
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        override: true
    - name: cargo fetch
      uses: actions-rs/cargo@v1
      with:
        command: fetch
    - name: cargo publish check
      uses: actions-rs/cargo@v1
      with:
        command: publish
        args: --dry-run

  # Remove this job if you don't publish the crate(s) from this repo
  # You must add a crates.io API token to your GH secrets called CRATES_IO_TOKEN
  publish:
    name: Publish
    needs: [test, publish-check]
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/')
    steps:
    - uses: actions/checkout@v1
    - uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        override: true
    - name: cargo fetch
      uses: actions-rs/cargo@v1
      with:
        command: fetch
    - name: cargo publish
      uses: actions-rs/cargo@v1
      env:
        CARGO_REGISTRY_TOKEN: ${{ secrets.CRATES_IO_TOKEN }}
      with:
        command: publish