name: Update JSON Date on PR
on:
  pull_request:
    branches:
      - main
    types:
      - opened
      - synchronize
      - reopened

jobs:
  update-json-date:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout PR Branch
      uses: actions/checkout@v4
      with:
        ref: ${{ github.head_ref }}
        token: ${{ secrets.JSON_APP_KEY }}
        fetch-depth: 0
        
    - name: Check and Update New JSON Files
      run: |
        BASE_BRANCH=${{ github.event.pull_request.base.ref }}
        HEAD_BRANCH=${{ github.event.pull_request.head.ref }}
        
        # Hole die Base-Branch
        git fetch origin $BASE_BRANCH
        
        # Finde nur neue Dateien im PR
        NEW_FILES=$(git diff --name-status origin/$BASE_BRANCH HEAD | grep "^A" | awk '{print $2}' | grep '\.json$')
        
        echo "New JSON files found: $NEW_FILES"
        
        TODAY=$(date +%Y-%m-%d)
        
        for FILE in $NEW_FILES; do
          if [ -f "$FILE" ]; then
            echo "Checking $FILE"
            
            # Prüfe das date_created Feld
            CURRENT_DATE=$(jq -r '.date_created' "$FILE")
            
            if [ "$CURRENT_DATE" != "$TODAY" ]; then
              echo "Updating date_created in $FILE from $CURRENT_DATE to $TODAY"
              jq --arg date "$TODAY" '.date_created = $date' "$FILE" > tmp.json && mv tmp.json "$FILE"
            else
              echo "date_created is already set to today in $FILE"
            fi
          fi
        done
        
        # Nur committen wenn es Änderungen gibt
        git config --global user.name "json-updater-bot[bot]"
        git config --global user.email "json-updater-bot[bot]@users.noreply.github.com"
        
        if [[ -n $(git status -s) ]]; then
          git commit -am "Update date_created to today's date in new JSON files"
          git push
        else
          echo "No changes needed"
        fi
      env:
        GH_TOKEN: ${{ secrets.JSON_APP_KEY }}
        APP_ID: ${{ secrets.JSON_APP_ID }}