name: Create Comments for Pull Request
on:
  pull_request:
    branches:
      - master

jobs:

  get_latest_commit_message:
    name: Get Latest Commit Message
    runs-on: ubuntu-18.04
    outputs:
      commit_message: ${{ steps.get_commit_message.outputs.COMMIT_MESSAGE }}
    steps:
    - name: Checkout current branch
      uses: actions/checkout@v2
      with:
        ref: ${{ github.event.pull_request.head.sha }}
    - name: Get commit message
      id: get_commit_message
      run: echo "::set-output name=COMMIT_MESSAGE::$(git log --format=%B -n 1 ${{ github.event.after }})"
    - name: Echo latest commit message
      env:
        COMMIT_MESSAGE: ${{ steps.get_commit_message.outputs.COMMIT_MESSAGE }}
      run: |
        echo "Message for latest commit: $COMMIT_MESSAGE"

  model_performance:
    name: Comment Model Performance
    runs-on: ubuntu-18.04
    container: docker://ryzalk/dvc-for-cd4ml:latest
    needs: get_latest_commit_message
    steps:
    - uses: actions/checkout@v2
    - name: Post comment with model experiment info
      if: contains(needs.get_latest_commit_message.outputs.commit_message, 'comment-model-exp') == true
      env:
        AZ_CONN_STRING: ${{ secrets.AZ_CONN_STRING }}
        repo_token: ${{ secrets.GITHUB_TOKEN }}
      shell: bash
      run: |
        source activate dvc-for-cd4ml
        dvc remote modify --local azremote connection_string "$AZ_CONN_STRING"
        dvc pull train-run-metrics.md
        cml-send-comment train-run-metrics.md