# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

name: Build

on:
  push:
    branches: ['main']
  pull_request:
    branches: ['main']

jobs:
  build:

    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-2019]
        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]

    steps:
      - uses: actions/checkout@v2
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python-version }}
      - name: On mac + python 3.10, install libomp to facilitate lgbm and xgboost install
        if: matrix.os == 'macOS-latest' && matrix.python-version == '3.10'
        run: |
          # remove libomp version constraint after xgboost works with libomp>11.1.0 on python 3.10
          wget https://raw.githubusercontent.com/Homebrew/homebrew-core/679923b4eb48a8dc7ecc1f05d06063cd79b3fc00/Formula/libomp.rb -O $(find $(brew --repository) -name libomp.rb)
          brew unlink libomp
          brew install libomp
          export CC=/usr/bin/clang
          export CXX=/usr/bin/clang++
          export CPPFLAGS="$CPPFLAGS -Xpreprocessor -fopenmp"
          export CFLAGS="$CFLAGS -I/usr/local/opt/libomp/include"
          export CXXFLAGS="$CXXFLAGS -I/usr/local/opt/libomp/include"
          export LDFLAGS="$LDFLAGS -Wl,-rpath,/usr/local/opt/libomp/lib -L/usr/local/opt/libomp/lib -lomp"
      - name: Install packages and dependencies
        run: |
          python -m pip install --upgrade pip wheel
          pip install -e .
          python -c "import flaml"
          pip install -e .[test]
      - name: If linux or mac, install ray
        if: matrix.os == 'macOS-latest' || matrix.os == 'ubuntu-latest'
        run: |
          pip install -e .[ray]
      - name: If linux or mac, install prophet on python < 3.9
        if: (matrix.os == 'macOS-latest' || matrix.os == 'ubuntu-latest') && matrix.python-version != '3.9' && matrix.python-version != '3.10'
        run: |
          pip install -e .[forecast]
      - name: Lint with flake8
        run: |
          # stop the build if there are Python syntax errors or undefined names
          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
          # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
      - name: Test with pytest
        if: (matrix.python-version != '3.7' || matrix.os == 'macos-latest') && matrix.python-version != '3.10'
        run: |
          pytest test
      - name: Coverage
        if: (matrix.python-version == '3.7') && matrix.os != 'macos-latest' || matrix.python-version == '3.10'
        run: |
          pip install coverage
          coverage run -a -m pytest test
          coverage xml
      - name: Upload coverage to Codecov
        if: (matrix.python-version == '3.7') && matrix.os != 'macos-latest' || matrix.python-version == '3.10'
        uses: codecov/codecov-action@v1
        with:
          file: ./coverage.xml
          flags: unittests

  # docs:

  #   runs-on: ubuntu-latest

  #   steps:
  #     - uses: actions/checkout@v2
  #     - name: Setup Python
  #       uses: actions/setup-python@v2
  #       with:
  #         python-version: '3.8'
  #     - name: Compile documentation
  #       run: |
  #           pip install -e .
  #           python -m pip install sphinx sphinx_rtd_theme
  #           cd docs
  #           make html
  #     - name: Deploy to GitHub pages
  #       if: ${{ github.ref == 'refs/heads/main' }}
  #       uses: JamesIves/github-pages-deploy-action@3.6.2
  #       with:
  #         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
  #         BRANCH: gh-pages
  #         FOLDER: docs/_build/html
  #         CLEAN: true