name: CI

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:

  build:
    name: Google Cloud Build
     # This is a pull request, and gcloud would fail for external PRs.
    if: (!github.head_ref) || (!github.base_ref)
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@master
    - uses: GoogleCloudPlatform/github-actions/setup-gcloud@master
      with:
        version: '275.0.0'
        service_account_key: ${{ secrets.GCLOUD_AUTH }}
    - name: Build, Test, Push to GCR
      run: |
        BRANCH_NAME=$GITHUB_REPOSITORY/$(expr $GITHUB_REF : '.*/\(.*\)') && \
        BRANCH_NAME=${BRANCH_NAME,,} && \
        gcloud builds submit . --config cloudbuild.yaml --project zealous-zebra --substitutions BRANCH_NAME=$BRANCH_NAME

  test:
    name: Build and test on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macOS-latest]

    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: Run tests
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --verbose --all
      - name: Build
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --verbose --release

  grcov:
    name: Code Coverage
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
      - name: Run cargo-tarpaulin
        uses: actions-rs/tarpaulin@v0.1
        with:
          version: '0.12.3'
          timeout: 300
      - name: Upload coverage report to Codecov
        uses: codecov/codecov-action@v1

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: nightly
          components: clippy
          override: true
      - name: Run clippy
        uses: actions-rs/clippy@master # Next gen Clippy Action, unstable
        with:
          args: --all-features --all-targets

  fmt:
    name: Rustfmt
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
      - run: rustup component add rustfmt
      - uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check