name: Check and Update JSON Date

on:
  pull_request:
    types: [synchronize, opened, reopened, edited]
    paths:
    - "json/*.json"
  schedule:
    - cron: "0 0,6,12,18 * * *" # Viermal täglich
  workflow_dispatch:

jobs:
  update-date:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.ref }}

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: 3.12

      - name: Install dependencies
        run: pip install jq

      - name: Find and Update JSON files in /json folder
        run: |
          TODAY=$(date +%Y-%m-%d)
          for file in $(git diff --diff-filter=A --name-only HEAD | grep '^json/.*\.json$'); do
            if jq -e '.date_created' $file > /dev/null 2>&1; then
              echo "Updating date_created in $file"
              jq --arg date "$TODAY" '.date_created = $date' $file > temp.json && mv temp.json $file
              git add $file
            fi
          done

      - name: Commit and push changes
        env:
          GITHUB_TOKEN: ${{ secrets.GH_BOT_TOKEN }}
        run: |
          git config user.name "GitHub Bot"
          git config user.email "bot@github.com"
          git commit -m "Update date_created in new JSON files" || echo "No changes to commit"
          git push origin HEAD:${{ github.event.pull_request.head.ref }}