name: CI
on:
  pull_request:
  push:
    branches:
      - master
env:
  RUST_BACKTRACE: 1

jobs:
  style:
    name: Check Style
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v1

      - name: Load snarkOS
        run: |
          mkdir ~/.ssh
          echo "${{ secrets.SNARKOS_DEPLOY_KEY }}" > ~/.ssh/id_rsa
          chmod 600 ~/.ssh/id_rsa
          eval $(ssh-agent -s)
          ssh-add -k ~/.ssh/id_rsa

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

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

  test:
    name: Test
    runs-on: ubuntu-latest
    env:
      RUSTFLAGS: -Dwarnings
    strategy:
      matrix:
        rust:
          - stable
          - nightly
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Load snarkOS
        run: |
          mkdir ~/.ssh
          echo "${{ secrets.SNARKOS_DEPLOY_KEY }}" > ~/.ssh/id_rsa
          chmod 600 ~/.ssh/id_rsa
          eval $(ssh-agent -s)
          ssh-add -k ~/.ssh/id_rsa

      - name: Install Rust (${{ matrix.rust }})
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: ${{ matrix.rust }}
          override: true

#      - name: Check examples
#        uses: actions-rs/cargo@v1
#        env:
#          CARGO_NET_GIT_FETCH_WITH_CLI: true
#        with:
#          command: check
#          args: --examples --all
#
#      - name: Check examples with all features on stable
#        uses: actions-rs/cargo@v1
#        with:
#          command: check
#          args: --examples --all-features --all
#        if: matrix.rust == 'stable'
#
#      - name: Check benchmarks on nightly
#        uses: actions-rs/cargo@v1
#        with:
#          command: check
#          args: --all-features --examples --all --benches
#        if: matrix.rust == 'nightly'

      - name: Test
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --release --all --no-fail-fast

  codecov:
    name: Code Coverage
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v1

      - name: Load snarkOS
        run: |
          mkdir ~/.ssh
          echo "${{ secrets.SNARKOS_DEPLOY_KEY }}" > ~/.ssh/id_rsa
          chmod 600 ~/.ssh/id_rsa
          eval $(ssh-agent -s)
          ssh-add -k ~/.ssh/id_rsa

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

      - name: Test
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: --all
        env:
          CARGO_NET_GIT_FETCH_WITH_CLI: true
          CARGO_INCREMENTAL: "0"

      - name: Install dependencies for code coverage
        run: |
          sudo apt-get update
          sudo apt-get -y install binutils-dev libcurl4-openssl-dev zlib1g-dev libdw-dev libiberty-dev

      - name: Generate coverage report
        run: |
          wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz
          tar xzf master.tar.gz
          cd kcov-master
          mkdir build && cd build
          cmake .. && make
          make install DESTDIR=../../kcov-build
          cd ../..
          rm -rf kcov-master
          for file in target/debug/deps/*-*; do if [[ "$file" != *\.* ]]; then mkdir -p "target/cov/$(basename $file)"; ./kcov-build/usr/local/bin/kcov --exclude-pattern=/.cargo,/usr/lib --verify "target/cov/$(basename $file)" "$file"; fi done

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v1
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          token: ${{ secrets.CODECOV_TOKEN }}