name: Community activity alerts

on:
  discussion:
    types: [created]
  discussion_comment:
    types: [created]

jobs:
  notify:
    runs-on: ubuntu-latest
    steps:
      - name: Post to Slack
        env:
          SLACK_BOT_TOKEN: ${{ secrets.SIGNUP_SLACK_BOT_TOKEN }}
        run: |
          if [ "${{ github.event_name }}" = "discussion" ]; then
            TITLE="${{ github.event.discussion.title }}"
            AUTHOR="${{ github.event.discussion.user.login }}"
            URL="${{ github.event.discussion.html_url }}"
            CATEGORY="${{ github.event.discussion.category.name }}"
            TEXT=":speech_balloon: New discussion in *${CATEGORY}*: <${URL}|${TITLE}> by ${AUTHOR}"
          else
            AUTHOR="${{ github.event.comment.user.login }}"
            TITLE="${{ github.event.discussion.title }}"
            URL="${{ github.event.comment.html_url }}"
            TEXT=":left_speech_bubble: ${AUTHOR} commented on <${URL}|${TITLE}>"
          fi

          curl -s -X POST https://slack.com/api/chat.postMessage \
            -H "Authorization: Bearer ${SLACK_BOT_TOKEN}" \
            -H "Content-Type: application/json" \
            -d "$(jq -n --arg channel "#alerts-mql-stream" --arg text "$TEXT" '{channel: $channel, text: $text}')"