# This workflow is designed to notify a given email address with pertinent information
# about changes to the Documentation files, using a cron-based trigger.

name: Documentation Changes

on:
  # Schedule job to run at midnight UTC every day
  schedule:
    - cron: "0 0 * * *"

jobs:

  script:
    if: github.repository == 'debezium/debezium'
    runs-on: ubuntu-latest

    steps:
      - name: Checkout action
        uses: actions/checkout@v3
        with:
          # This is necessary as this script needs to examine all history and prepare an output
          # report that defines all changes made to the Documentation within the last number of
          # days.
          fetch-depth: 0
          # Always run this against main
          ref: 'main'

      - name: Run script
        id: changes
        run: |
          ./github-support/notify-documentation-changes.sh "main"
          CHANGES=$(cat documentation_changes.txt)          
          echo "CHANGES<<EOF" >> $GITHUB_ENV
          echo "$CHANGES" >> $GITHUB_ENV
          echo "EOF" >> $GITHUB_ENV

      - name: Send email notification
        uses: zulip/github-actions-zulip/send-message@v1
        with:
          api-key: ${{ secrets.ZULIP_TOKEN }}
          email: ${{ secrets.ZULIP_TOKEN_EMAIL_ADDRESS }}
          organization-url: "https://debezium.zulipchat.com"
          to: "documentation"
          type: "stream"
          topic: "activity"
          content: ${{ env.CHANGES }}