name: Coverage
on:
  push:
    branches:
      - main
  pull_request:
  workflow_dispatch:

jobs:
  build:
    strategy:
      fail-fast: false
      max-parallel: 20
      matrix:
        branch: [v1.6.6]
        target:
          # Unit tests
          - os: linux
            cpu: amd64
            TEST_KIND: unit-tests
          # - os: macos
          #   cpu: amd64
          #   TEST_KIND: unit-tests
          # - os: windows
          #   cpu: amd64
          #   TEST_KIND: unit-tests
        include:
          - target:
              os: linux
            builder: ubuntu-18.04
          # - target:
          #     os: macos
          #   builder: macos-10.15
          # - target:
          #     os: windows
          #   builder: windows-2019
    name: '${{ matrix.target.os }}-${{ matrix.target.cpu }}-${{ matrix.branch }}'
    runs-on: ${{ matrix.builder }}
    steps:
      - name: Checkout nim-codex
        uses: actions/checkout@v2
        with:
          path: nim-codex
          submodules: true

      - name: Derive environment variables
        shell: bash
        run: |
          if [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
            ARCH=64
            PLATFORM=x64
          else
            ARCH=32
            PLATFORM=x86
          fi
          echo "ARCH=$ARCH" >> $GITHUB_ENV
          echo "PLATFORM=$PLATFORM" >> $GITHUB_ENV
          ncpu=
          ext=
          case '${{ runner.os }}' in
          'Linux')
            ncpu=$(nproc)
            ;;
          'macOS')
            ncpu=$(sysctl -n hw.ncpu)
            ;;
          'Windows')
            ncpu=$NUMBER_OF_PROCESSORS
            ext=.exe
            ;;
          esac
          [[ -z "$ncpu" || $ncpu -le 0 ]] && ncpu=1
          echo "ncpu=$ncpu" >> $GITHUB_ENV
          echo "ext=$ext" >> $GITHUB_ENV

      - name: Install coverage dependencies (Linux)
        if: runner.os == 'Linux'
        run: |
          sudo apt-get update
          sudo apt-get install -y lcov

      - name: Install build dependencies (Linux i386)
        if: runner.os == 'Linux' && matrix.target.cpu == 'i386'
        run: |
          sudo dpkg --add-architecture i386
          sudo apt-get update -qq
          sudo DEBIAN_FRONTEND='noninteractive' apt-get install \
            --no-install-recommends -yq gcc-multilib g++-multilib \
            libssl-dev:i386
          mkdir -p external/bin
          cat << EOF > external/bin/gcc
          #!/bin/bash
          exec $(which gcc) -m32 "\$@"
          EOF
          cat << EOF > external/bin/g++
          #!/bin/bash
          exec $(which g++) -m32 "\$@"
          EOF
          chmod 755 external/bin/gcc external/bin/g++
          echo '${{ github.workspace }}/external/bin' >> $GITHUB_PATH
          NIMFLAGS="-d:LeopardCmakeFlags='-DCMAKE_BUILD_TYPE=Release -DCMAKE_C_FLAGS=-m32 -DCMAKE_CXX_FLAGS=-m32'"
          quote () {
            local quoted=${1//\'/\'\\\'\'};
            printf "'%s'" "$quoted"
          }
          echo "NIMFLAGS=$(quote "${NIMFLAGS}")" >> $GITHUB_ENV

      - name: Install build dependencies (macOS)
        if: runner.os == 'macOS'
        run: |
          brew install libomp
          echo "$(brew --prefix)/opt/llvm/bin" >> $GITHUB_PATH
          echo "LDFLAGS=-L$(brew --prefix)/opt/libomp/lib -L$(brew --prefix)/opt/llvm/lib -Wl,-rpath,$(brew --prefix)/opt/llvm/lib" >> $GITHUB_ENV
          NIMFLAGS="-d:LeopardCmakeFlags='-DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=$(brew --prefix)/opt/llvm/bin/clang -DCMAKE_CXX_COMPILER=$(brew --prefix)/opt/llvm/bin/clang++' -d:LeopardExtraCompilerlags='-fopenmp' -d:LeopardExtraLinkerFlags='-fopenmp -L$(brew --prefix)/opt/libomp/lib'"
          quote () {
            local quoted=${1//\'/\'\\\'\'};
            printf "'%s'" "$quoted"
          }
          echo "NIMFLAGS=$(quote "${NIMFLAGS}")" >> $GITHUB_ENV

      - name: Restore MinGW-W64 (Windows) from cache
        if: runner.os == 'Windows'
        id: windows-mingw-cache
        uses: actions/cache@v2
        with:
          path: external/mingw-${{ matrix.target.cpu }}
          key: 'mingw-${{ matrix.target.cpu }}'

      - name: Restore Nim DLLs dependencies (Windows) from cache
        if: runner.os == 'Windows'
        id: windows-dlls-cache
        uses: actions/cache@v2
        with:
          path: external/dlls-${{ matrix.target.cpu }}
          key: 'dlls-${{ matrix.target.cpu }}'

      - name: Install MinGW64 dependency (Windows)
        if: >
          steps.windows-mingw-cache.outputs.cache-hit != 'true' &&
          runner.os == 'Windows'
        shell: bash
        run: |
          mkdir -p external
          curl -L "https://nim-lang.org/download/mingw$ARCH.7z" -o "external/mingw-${{ matrix.target.cpu }}.7z"
          7z x -y "external/mingw-${{ matrix.target.cpu }}.7z" -oexternal/
          mv external/mingw$ARCH external/mingw-${{ matrix.target.cpu }}

      - name: Install DLLs dependencies (Windows)
        if: >
          steps.windows-dlls-cache.outputs.cache-hit != 'true' &&
          runner.os == 'Windows'
        shell: bash
        run: |
          mkdir -p external
          curl -L "https://nim-lang.org/download/windeps.zip" -o external/windeps.zip
          7z x -y external/windeps.zip -oexternal/dlls-${{ matrix.target.cpu }}

      - name: Path to cached dependencies (Windows)
        if: >
          runner.os == 'Windows'
        shell: bash
        run: |
          echo "${{ github.workspace }}/external/mingw-${{ matrix.target.cpu }}/bin" >> $GITHUB_PATH
          echo "${{ github.workspace }}/external/dlls-${{ matrix.target.cpu }}" >> $GITHUB_PATH

      - name: Setup environment
        shell: bash
        run: echo '${{ github.workspace }}/nim/bin' >> $GITHUB_PATH

      - name: Get latest nimbus-build-system commit hash
        id: versions
        shell: bash
        run: |
          getHash() {
            git ls-remote "https://github.com/$1" "${2:-HEAD}" | cut -f 1
          }
          nbsHash=$(getHash status-im/nimbus-build-system)
          echo "::set-output name=nimbus_build_system::$nbsHash"

      - name: Restore prebuilt Nim binaries from cache
        id: nim-cache
        uses: actions/cache@v2
        with:
          path: nim-codex/NimBinaries
          key: 'nim-${{ matrix.branch }}-${{ matrix.target.os }}-${{ matrix.target.cpu }}-${{ steps.versions.outputs.nimbus_build_system }}'

      - name: Install NodeJS
        uses: actions/setup-node@v2
        with:
          node-version: '14'

      - name: Build Nim and Codex dependencies
        shell: bash
        working-directory: nim-codex
        run: |
          if [[ "${{ runner.os }}" == "macOS" ]]; then
            ulimit -n 1024
          fi
          make -j$ncpu ARCH_OVERRIDE=$PLATFORM CI_CACHE=NimBinaries NIM_COMMIT="${{ matrix.branch }}" QUICK_AND_DIRTY_COMPILER=1 update

      - name: Start Ethereum Node with Codex contracts
        shell: bash
        working-directory: nim-codex/vendor/dagger-contracts
        run: |
          npm install
          npm start &

      - name: Run nim-codex tests and generate coverage data
        shell: bash
        working-directory: nim-codex
        run: |
          ./env.sh nim --version
          echo
          make NIM_COMMIT="${{ matrix.branch }}" coverage

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v2
        with:
          directory: ./nim-codex/coverage/
          fail_ci_if_error: true
          files: ./nim-codex/coverage/coverage.f.info
          flags: unittests
          name: codecov-umbrella
          verbose: true