name: Announce merged PRs in Discord

on:
  pull_request_target:
    types: [closed]

permissions: {}

jobs:
  announce:
    if: github.repository == 'bilawalsidhu/gods-eye-view' && github.event.pull_request.merged == true
    runs-on: ubuntu-latest
    timeout-minutes: 2
    steps:
      # This uses the trusted base workflow and never checks out or runs PR code.
      - name: Post to Discord contributions
        shell: bash
        env:
          DISCORD_WEBHOOK_URL: ${{ secrets.DISCORD_CONTRIBUTIONS_WEBHOOK_URL }}
        run: |
          if [[ ! "$DISCORD_WEBHOOK_URL" =~ ^https://discord\.com/api/webhooks/[0-9]+/[A-Za-z0-9_-]+$ ]]; then
            echo '::error::Set DISCORD_CONTRIBUTIONS_WEBHOOK_URL to the Discord channel webhook URL.'
            exit 1
          fi

          payload=$(jq -ce '
            .pull_request | {
              allowed_mentions: {parse: []},
              embeds: [{
                title: ("Merged #" + (.number | tostring) + ": " + (.title | .[0:115])),
                url: .html_url,
                footer: {text: ("By " + .user.login + " · into " + (.base.ref | .[0:100]))}
              }]
            }
          ' "$GITHUB_EVENT_PATH")

          curl --silent --show-error --fail --output /dev/null \
            --connect-timeout 10 --max-time 20 --retry 3 --retry-max-time 50 \
            --header 'Content-Type: application/json' --data-binary "$payload" \
            --url "$DISCORD_WEBHOOK_URL?wait=true"