name: Update GeoLite2-City Database

on:
  schedule:
    # Run every Tuesday and Friday at 06:00 UTC (MaxMind update days)
    - cron: '0 6 * * 2,5'
  workflow_dispatch:
    inputs:
      force_publish:
        description: 'Force publish to npm even if no changes'
        required: false
        default: 'false'
        type: boolean

jobs:
  update:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      id-token: write  # Required for npm trusted publishing (OIDC)

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '24'  # Node 24 includes npm 11.5.1+ required for OIDC
          registry-url: 'https://registry.npmjs.org'

      - name: Download latest GeoLite2-City database
        env:
          MAXMIND_LICENSE_KEY: ${{ secrets.MAXMIND_LICENSE_KEY }}
        run: |
          echo "Downloading GeoLite2-City database..."

          # Download the database
          curl -fsSL -o GeoLite2-City.tar.gz \
            "https://download.maxmind.com/app/geoip_download?edition_id=GeoLite2-City&license_key=${MAXMIND_LICENSE_KEY}&suffix=tar.gz"

          # Check if download was successful
          if [ ! -f GeoLite2-City.tar.gz ] || [ ! -s GeoLite2-City.tar.gz ]; then
            echo "Download failed or file is empty"
            exit 1
          fi

          # Extract the mmdb file
          tar -xzf GeoLite2-City.tar.gz

          # Find and move the mmdb file
          MMDB_FILE=$(find . -name "GeoLite2-City.mmdb" -type f)
          if [ -z "$MMDB_FILE" ]; then
            echo "Could not find GeoLite2-City.mmdb in archive"
            exit 1
          fi

          mv "$MMDB_FILE" ./GeoLite2-City.mmdb

          # Compress with maximum compression
          gzip -9 -f GeoLite2-City.mmdb

          # Cleanup
          rm -rf GeoLite2-City.tar.gz GeoLite2-City_*/

          echo "Database downloaded and compressed successfully"
          ls -lh GeoLite2-City.mmdb.gz

      - name: Check for changes
        id: check_changes
        run: |
          FORCE="${{ inputs.force_publish }}"
          if [ "$FORCE" == "true" ]; then
            echo "Force publish requested"
            echo "changed=true" >> $GITHUB_OUTPUT
          elif git diff --quiet GeoLite2-City.mmdb.gz 2>/dev/null; then
            echo "No changes detected"
            echo "changed=false" >> $GITHUB_OUTPUT
          else
            echo "Changes detected"
            echo "changed=true" >> $GITHUB_OUTPUT
          fi

      - name: Update version and commit
        if: steps.check_changes.outputs.changed == 'true'
        run: |
          # Bump patch version
          npm version patch --no-git-tag-version

          # Get new version
          NEW_VERSION=$(node -p "require('./package.json').version")
          echo "New version: $NEW_VERSION"

          # Update README with current date
          CURRENT_DATE=$(date +%Y-%m-%d)
          sed -i "s/Last updated: .*/Last updated: ${CURRENT_DATE}/" README.md

          # Configure git
          git config --global user.name 'github-actions[bot]'
          git config --global user.email 'github-actions[bot]@users.noreply.github.com'

          # Commit and push
          git add .
          git commit -m "Update GeoLite2-City database to v${NEW_VERSION} - ${CURRENT_DATE}"
          git push

      - name: Publish to npm
        if: steps.check_changes.outputs.changed == 'true'
        run: npm publish --provenance --access public

      - name: Summary
        run: |
          if [ "${{ steps.check_changes.outputs.changed }}" == "true" ]; then
            echo "### Database Updated Successfully" >> $GITHUB_STEP_SUMMARY
            echo "" >> $GITHUB_STEP_SUMMARY
            echo "- New version published to npm" >> $GITHUB_STEP_SUMMARY
            echo "- CDN will be updated automatically via jsDelivr" >> $GITHUB_STEP_SUMMARY
          else
            echo "### No Updates Required" >> $GITHUB_STEP_SUMMARY
            echo "" >> $GITHUB_STEP_SUMMARY
            echo "The database is already up to date." >> $GITHUB_STEP_SUMMARY
          fi