name: Update JSON and Push Changes

on:
  push:
    branches:
      - main

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

    steps:
      - name: Check out repository
        uses: actions/checkout@v3

      - name: Authenticate with GitHub App
        uses: tibdex/github-app-token@v1
        with:
          app_id: ${{ secrets.JSON_APP_ID }}
          private_key: ${{ secrets.JSON_APP_KEY }}

      - name: Modify JSON file
        run: |
          JSON_FILE="json/mailrise.json"
          TODAY=$(date -u +%Y-%m-%d)
          
          if [ -f "$JSON_FILE" ]; then
            echo "Updating date_created in $JSON_FILE to $TODAY"
            jq --arg today "$TODAY" '.date_created = $today' $JSON_FILE > tmp.json && mv tmp.json $JSON_FILE
          else
            echo "File $JSON_FILE does not exist."
            exit 1
          fi

      - name: Commit changes
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add json/mailrise.json
          git commit -m "Update date_created in mailrise.json to $TODAY"
          git push origin main