name: "Test Python Lib"
on:
  push:
    branches:
      - main
      - devel
      - deploy
  pull_request:
  release:

permissions:
  contents: read
  pull-requests: read

jobs:
  test-windows:
    strategy:
      matrix:
        os: [windows-latest]
        python: ['3.9', '3.10', '3.11', '3.12']
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python }}

      - name: Install build dependencies
        run: |
          pip install setuptools
      
      - name: Install lib
        run: |
          python setup.py develop
      
      - name: Install test dependencies
        run: |
          pip install matplotlib
          pip install 'pytest<8'

      - name: pytest
        run: |
          pytest GPy/testing

  test-linux:
    strategy:
      matrix:
        os: [ubuntu-latest]
        python: ['3.9', '3.10', '3.11', '3.12']
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python }}

      - name: Install build dependencies
        run: |
          pip install setuptools

      - name: Install lib
        run: |
          python setup.py develop

      - name: Install test dependencies
        run: |
          pip install matplotlib
          pip install 'pytest<8'

      - name: pytest
        run: |
          pytest GPy/testing

  test-macos:
    strategy:
      matrix:
        os: [macos-latest]
        python: ['3.10', '3.11', '3.12']
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python }}

      - name: Install dependencies
        run: |
          pip install setuptools
      
      - name: Install lib
        run: |
          python setup.py develop

      - name: Install test dependencies
        run: |
          pip install matplotlib
          pip install 'pytest<8'

      - name: pytest
        run: |
          pytest GPy/testing

  build-windows:
    if: github.event_name == 'release'
    strategy:
      matrix:
        os: [windows-latest]
        python: ['3.9', '3.10', '3.11', '3.12']
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python }}

      - name: Build lib
        run: |
          pip install setuptools
          pip install wheel
          python setup.py develop
          python setup.py bdist_wheel
          python setup.py sdist bdist_wheel

      - name: List contents of dist
        run: ls -R dist

      - name: Archive build artifacts
        uses: actions/upload-artifact@v3
        with:
          name: dist-artifacts-${{ matrix.os }}-${{ matrix.python }}
          path: dist

  build-macos:
    if: github.event_name == 'release'
    strategy:
      matrix:
        os: [macos-latest]
        python: ['3.10', '3.11', '3.12']  # 3.9 triggers scipy issues when installing
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup python
        uses: actions/setup-python@v4
        with:
          python-version: ${{ matrix.python }}

      - name: Build lib
        run: |
          pip install setuptools
          pip install wheel
          python setup.py develop
          python setup.py bdist_wheel

      - name: List contents of dist
        run: ls -R dist

      - name: Archive build artifacts
        uses: actions/upload-artifact@v3
        with:
          name: dist-artifacts-${{ matrix.os }}-${{ matrix.python }}
          path: dist/*

  build-linux:
    if: github.event_name == 'release'
    strategy:
        matrix:
          python: ['cp39-cp39', 'cp310-cp310', 'cp311-cp311', 'cp312-cp312']
    runs-on: ubuntu-latest
    container: quay.io/pypa/manylinux2014_x86_64

    steps:
    - uses: actions/checkout@v1

    - name: Compile c headers
      run: |
        /opt/python/${{ matrix.python }}/bin/python setup.py develop

    - name: Build wheel files
      run: |
        /opt/python/${{ matrix.python }}/bin/python setup.py bdist_wheel

    - name: Install auditwheel
      run: |
        /opt/python/${{ matrix.python }}/bin/python -m pip install auditwheel
    
    - name: Repair wheel files
      run: |
        /opt/python/${{ matrix.python }}/bin/python -m auditwheel repair dist/*${{ matrix.python }}-linux_x86_64.whl

    - name: List contents of dist
      run: ls -R dist

    - name: List contests of wheelhouse
      run: ls -R wheelhouse

    - name: Move wheelhouse wheel files to dist
      run: |
        rm dist/*
        mv wheelhouse/* dist/
        rmdir wheelhouse

    - name: List contents of dist
      run: ls -R dist

    - name: Get the name of the wheel file
      id: get-wheel-name
      run: echo "::set-output name=wheel-name::$(ls dist/*.whl)"

    - name: Archive build artifacts
      uses: actions/upload-artifact@v1
      with:
        name: dist-artifacts-manylinux-${{ matrix.python }}
        path: ${{ steps.get-wheel-name.outputs.wheel-name }}

  deploy:
    runs-on: ubuntu-latest
    needs: [test-windows, test-linux, test-macos, build-linux, build-windows, build-macos]
    if: github.event_name == 'release'
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup python
        uses: actions/setup-python@v4
        with:
          python-version: '3.9'

      - name: Install twine
        run: |
          pip install --upgrade pip
          pip install twine
    
      - name: Download all artifacts to a specific directory
        uses: actions/download-artifact@v3
        with:
          path: dist

      - name: Create dist directory
        run: mkdir -p dist

      - name: Move files from subdirectories
        run: |
          for subdirectory in dist/*/; do
            dir_name=$(basename "$subdirectory")
            mv "$subdirectory"* dist/
            rm -r "$subdirectory"
            echo "Moved files from '$dir_name' to 'dist/'"
          done

      - name: Inspect wheel files
        run: |
          ls -R dist

      - name: Upload to PyPI using twine
        run: twine upload --skip-existing dist/*
        env:
          TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
          TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}