name: Scheduled Daily Gold Scraper

on:
  schedule:
    # Run once everyday at 00:30 UTC (6:00 AM Sri Lanka Time, UTC+5:30)
    - cron: '30 0 * * *'
  # Allow manual trigger from the GitHub Actions tab
  workflow_dispatch:

permissions:
  contents: write

jobs:
  scrape:
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v3
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Setup PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: '8.2'
          extensions: curl, json

      - name: Remove Old Cache (Force Scrape)
        run: rm -f rates_cache.json

      - name: Run Scraper
        run: php api.php

      - name: Commit and Push Changes
        run: |
          git config --global user.email "scraper-action@github.com"
          git config --global user.name "GitHub Scraper Action"
          
          # Check if the cache file was updated/created
          if [ -f rates_cache.json ]; then
            git add rates_cache.json
            
            # Check if there are changes to commit
            if git diff --cached --quiet; then
              echo "No changes in gold rates today. Skipping push."
            else
              git commit -m "Auto-update gold prices: $(date -u)"
              git push origin HEAD:main
            fi
          else
            echo "rates_cache.json was not generated!"
            exit 1
          fi