name: "Notify Discord on New PR (with Thread)"

on:
  pull_request:
    types:
      - opened
      - ready_for_review

jobs:
  discord_notification:
    # still guard out any drafts (just in case)
    if: github.event.pull_request.draft == false
    runs-on: ubicloud-standard-2
    steps:
      - name: Send Discord notification and start a thread
        env:
          WEBHOOK_URL: ${{ secrets.DISCORD_PR_REVIEWS_WEBHOOK }}
          PR_TITLE: ${{ github.event.pull_request.title }}
          PR_URL: ${{ github.event.pull_request.html_url }}
          PR_AUTHOR: ${{ github.event.pull_request.user.login }}
        run: |
          payload=$(jq -n \
            --arg content "${PR_URL}" \
            --arg thread "$PR_TITLE by \`${PR_AUTHOR}\`" \
            '{
              content: $content,
              thread_name: $thread,
              auto_archive_duration: 10080
            }'
          )
          curl -H "Content-Type: application/json" \
               -X POST \
               --data "$payload" \
               "$WEBHOOK_URL"