name: Feedback prompt for non-Docs team contributors when a PR is closed

on:
  pull_request:
    types: [closed]

permissions:
  contents: read
  pull-requests: write

jobs:
  comment-on-pr:
    # This workflow should only run on the 'github/docs-internal' repository because it posts a feedback request
    # to non-Docs team contributors when their PR is merged into the main branch.
    # The feedback request asks contributors to leave feedback on their contributing experience in Slack.
    if: github.repository == 'github/docs-internal' && github.event.pull_request.merged == true && github.event.pull_request.base.ref == 'main'

    runs-on: ubuntu-latest

    steps:
      - name: Check if PR author is in docs-content team
        id: check_team
        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
        with:
          github-token: ${{ secrets.DOCS_BOT_PAT_BASE }}
          script: |
            try {
              const pr = context.payload.pull_request;
              await github.rest.teams.getMembershipForUserInOrg({
                org: 'github',
                team_slug: 'docs-content',
                username: pr.user.login,
              });
              // Author is in the team. Do nothing!
            } catch(err) {
              // Author not in team
              core.exportVariable('NON_DOCS_HUBBER', 'true');
            }

      - name: Post changelog instructions comment

        if: env.NON_DOCS_HUBBER == 'true'

        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
        with:
          github-token: ${{ secrets.DOCS_BOT_PAT_BASE }}
          script: |
            const pr = context.payload.pull_request;
            const prAuthor = pr.user.login;
            const assignees = (pr.assignees ?? [])
              .filter(a => a.login.toLowerCase() !== "copilot")
              .map(a => "@" + a.login)
              .join(" ");

            let commentBody;
            if (assignees) {
              commentBody =
                "👋 " + assignees +
                " - Thanks for your contribution! " +
                "If you think something could be improved about the contributor experience, please post in `#docs-contributor-feedback` on Slack.";
            } else if (prAuthor.toLowerCase() !== "copilot") {
              commentBody =
                "👋 @" + prAuthor +
                " - Thanks for your contribution! " +
                "If you think something could be improved about the contributor experience, please post in `#docs-contributor-feedback` on Slack.";
            } else {
              // nobody to mention!
              commentBody =
                "👋 Thanks for your contribution! " +
                "If you think something could be improved about the contributor experience, please post in `#docs-contributor-feedback` on Slack.";
            }

            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: pr.number,
              body: commentBody
            });