name: CI

on:
  push:
    branches:
      - '*'
      - '*/*'
      - '!master'

jobs:
  compile:
    strategy:
      matrix:
        os: [ ubuntu-latest, macos-latest, windows-latest ]
        build-opts: [ "-DUSE_THREADS=ON", "-DUSE_THREADS=OFF" ]

    name: ${{matrix.os}} (${{matrix.build-opts}})
    runs-on: ${{matrix.os}}

    steps:
    - uses: actions/checkout@v1

    - name: Dependancies
      shell: bash
      run: |
        mkdir -p build
        if [ "$RUNNER_OS" == "macOS" ]; then
            brew install openssl
        elif [ "$RUNNER_OS" == "Windows" ]; then
            cd build
            curl https://mirror.firedaemon.com/OpenSSL/openssl-1.1.1e-dev.zip -O
            7z x openssl-1.1.1e-dev.zip
        fi

    - name: Configure (nix)
      if: runner.os != 'Windows'
      shell: bash
      run: |
        if [ "$RUNNER_OS" == "macOS" ]; then
            SSL_OPTS="-D OPENSSL_ROOT_DIR=/usr/local/opt/openssl@1.1"
        fi
        cd build && cmake ${SSL_OPTS} ${{matrix.build-opts}} ..

    - name: Configure (win)
      if: runner.os == 'Windows'
      # cmake in windows bash can't find openssl. so we use windows cli.
      run: cd build; cmake ${{matrix.build-opts}} -D OPENSSL_ROOT_DIR="$pwd\openssl-1.1\x64" ..

    - name: Build
      shell: bash
      run: cmake --build build