name: Release

on:
  push:
    tags:
      - '*'


env:
  PIP_DISABLE_PIP_VERSION_CHECK: 1

defaults:
  run:
    shell: bash -l {0}

jobs:
  integrity:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v2
    - name: Build checksum file
      run: |
        sed -n 17,146p .github/workflows/build.yml > build
        sed -n 17,146p .github/workflows/release.yml > release
        diff build release

  test:
    needs: [integrity]
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v2
    - name: Install node
      uses: actions/setup-node@v2
      with:
       node-version: '14.x'
    - name: Install Python
      uses: actions/setup-python@v2
      with:
        python-version: '3.9'
        architecture: 'x64'
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip wheel
        python -m pip install jupyter_packaging
    - name: Install the package
      run: |
        python -m pip install .
        jupyter labextension list 2>&1 | grep -ie "@jupyterlab-classic/lab-extension.*enabled.*ok" -
        jupyter server extension list 2>&1 | grep -ie "jupyterlab_classic.*enabled" -
        python -m jupyterlab.browser_check
    - name: Lint
      run: |
        jlpm
        jlpm run eslint:check
        jlpm run prettier:check
    - name: Test
      run: |
        jlpm run build:test
        jlpm run test

  build:
    needs: [integrity]
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v2
    - name: Install node
      uses: actions/setup-node@v2
      with:
       node-version: '14.x'
    - name: Install Python
      uses: actions/setup-python@v2
      with:
        python-version: '3.9'
        architecture: 'x64'
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip wheel
        python -m pip install setuptools jupyter_packaging "jupyterlab>=3,<4"
    - name: Build pypi distributions
      run: |
        python setup.py sdist bdist_wheel
    - name: Build npm distributions
      run: |
        mkdir pkgs
        jlpm lerna exec -- npm pack
        cp packages/*/*.tgz pkgs
    - name: Build checksum file
      run: |
        cd dist
        sha256sum * | tee SHA256SUMS
        cd ../pkgs
        sha256sum * | tee SHA256SUMS
    - name: Upload distributions
      uses: actions/upload-artifact@v2
      with:
        name: dist ${{ github.run_number }}
        path: ./dist
    - name: Upload distributions
      uses: actions/upload-artifact@v2
      with:
        name: pkgs ${{ github.run_number }}
        path: ./pkgs

  install:
    runs-on: ${{ matrix.os }}-latest
    needs: [build]
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu, macos, windows]
        python: ['3.6', '3.9']
        include:
          - python: '3.6'
            dist: 'jupyterlab-classic*.tar.gz'
          - python: '3.9'
            dist: 'jupyterlab_classic*.whl'
          - os: windows
            py_cmd: python
          - os: macos
            py_cmd: python3
          - os: ubuntu
            py_cmd: python
    steps:
      - name: Install Python
        uses: actions/setup-python@v2
        with:
          python-version: ${{ matrix.python }}
          architecture: 'x64'
      - uses: actions/download-artifact@v2
        with:
          name: dist ${{ github.run_number }}
          path: ./dist
      - name: Install the prerequisites
        run: |
          ${{ matrix.py_cmd }} -m pip install pip wheel
      - name: Install the package
        run: |
          cd dist
          ${{ matrix.py_cmd }} -m pip install -vv ${{ matrix.dist }}
      - name: Validate environment
        run: |
          ${{ matrix.py_cmd }} -m pip freeze
          ${{ matrix.py_cmd }} -m pip check
      - name: Validate the install
        run: |
          jupyter labextension list
          jupyter labextension list 2>&1 | grep -ie "@jupyterlab-classic/lab-extension.*enabled.*ok" -
          jupyter server extension list
          jupyter server extension list 2>&1 | grep -ie "jupyterlab_classic.*enabled" -
          jupyter classic --version
          jupyter classic --help

  release:
    if: startsWith(github.ref, 'refs/tags/')
    needs: [install]
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
      with:
        fetch-depth: 0
    - uses: actions/download-artifact@v2
      with:
        name: dist ${{ github.run_number }}
        path: ./dist
    - name: Cleanup dist
      run: |
        rm dist/SHA256SUMS
    - name: Publish a Python distribution to PyPI
      uses: pypa/gh-action-pypi-publish@master
      with:
        user: __token__
        password: ${{ secrets.PYPI_API_TOKEN }}
    - name: Install Python
      uses: actions/setup-python@v2
      with:
        python-version: '3.9'
        architecture: 'x64'
    - name: Install dependencies
      run: |
        python -m pip install -U jupyterlab~=3.0 jupyter_packaging~=0.7.9 pip
        jlpm
        jlpm run build
    - uses: actions/download-artifact@v2
      with:
        name: pkgs ${{ github.run_number }}
        path: ./pkgs
    - uses: actions/setup-node@v2
      with:
       node-version: '14.x'
       registry-url: 'https://registry.npmjs.org'
    - name: Publish to npm
      env:
        NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
      run: |
        jlpm config set registry https://registry.npmjs.org
        npm config set //registry.npmjs.org/:_authToken ${NPM_TOKEN}
        echo "//registry.npmjs.org/:_authToken=${{ secrets.NPM_TOKEN }}" > ~/.npmrc
        cp ~/.npmrc .npmrc
        jlpm release:npm --dist ./pkgs
    - name: Get the current tag
      id: current_tag
      run: |
        tag=`git describe --abbrev=0 --tags $(git rev-list --tags --max-count=1)`
        echo "::set-output name=tag::${tag}"
    - name: Get the previous tag
      id: previous_tag
      run: |
        tag=`git describe --abbrev=0 --tags $(git rev-list --tags --skip=1 --max-count=1)`
        echo "::set-output name=tag::${tag}"
    - name: Generate Changelog
      env:
        CHANGELOG_GITHUB_TOKEN: ${{ secrets.CHANGELOG_GITHUB_TOKEN }}
      run: |
        docker run --rm -v "$(pwd)":/usr/local/src/your-app \
          -e CHANGELOG_GITHUB_TOKEN=${CHANGELOG_GITHUB_TOKEN} \
          ferrarimarco/github-changelog-generator \
          github_changelog_generator -u jtpio -p jupyterlab-classic --usernames-as-github-logins --no-issues --no-unreleased \
          --since-tag ${{ steps.previous_tag.outputs.tag }} --header "" --pr-label "## Changes"
        head -n -1 CHANGELOG.md > CHANGELOG
    - name: Create Release
      id: create_release
      uses: actions/create-release@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        tag_name: ${{ github.ref }}
        release_name: ${{ github.ref }}
        body_path: CHANGELOG
        # TODO: set to false?
        draft: true
        prerelease: ${{ contains(github.ref, 'a') || contains(github.ref, 'b') || contains(github.ref, 'rc') }}