name: PR Comment

on:
  pull_request:
    types: [opened]

permissions:
  pull-requests: write

jobs:
  post-pr-opened-comment:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Get and Format Username (PR only)
        if: github.event_name == 'pull_request'
        run: |
          formatted_username="$(echo "${{ github.event.pull_request.user.login }}" | tr '[:upper:]' '[:lower:]' | sed 's/ /-/g')"
          echo "FORMATTED_USERNAME=${formatted_username}" >> "$GITHUB_ENV"

      - name: Create Comment (PR only)
        if: github.event_name == 'pull_request'
        uses: actions/github-script@v7
        with:
          script: |
            if (context.payload.pull_request) {
              const prUser = process.env.FORMATTED_USERNAME;
              const url = `https://contributors.datahubproject.io/${prUser}`;
              const body = `Hello @${prUser} :smile: \n\n Thank you so much for opening a pull request!\n\n![Image](https://contributors.datahubproject.io/api/og?userId=${{ github.event.pull_request.user.login }})\nYou can check out your contributor card and see all your past stats [here](${url})!`;
                         
              // Create a comment on the PR
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.payload.pull_request.number,
                body: body
              });
            } else {
              console.log('Not a pull request event.');
            }