name: Deploy Theme to Hostinger

on:
  push:
    branches: [main]

jobs:
  validate:
    name: Validate PHP & JS
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: PHP Lint Check
        run: |
          find . -name "*.php" -not -path "./vendor/*" -not -path "./node_modules/*" -exec php -l {} \; | (grep -v "No syntax errors" || true) | head -20
          test ${PIPESTATUS[0]} -eq 0

      - name: Install PHPCS with WordPress standards
        run: |
          composer global config allow-plugins.dealerdirect/phpcodesniffer-composer-installer true
          composer global require --dev squizlabs/php_codesniffer:"^3.0" wp-coding-standards/wpcs:"^3.0" phpcsstandards/phpcsutils:"^1.0"

      - name: Run PHPCS (WordPress Core)
        run: |
          ~/.composer/vendor/bin/phpcs -s .

      - name: JS Syntax Check
        run: |
          find assets/js -name "*.js" -exec node --check {} \;

  deploy:
    needs: validate
    name: Deploy to Production
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup SSH key
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/deploy_key
          chmod 600 ~/.ssh/deploy_key
          ssh-keyscan -p ${{ secrets.SSH_PORT }} ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts 2>/tmp/keyscan.err || {
            echo "::warning::ssh-keyscan failed (non-fatal). stderr:"
            cat /tmp/keyscan.err || true
          }

      - name: Verify deploy destination is a theme directory
        run: |
          # Safety check: abort if destination does not look like a WordPress theme.
          # Prevents rsync --delete from wiping the wrong directory if the path
          # is ever mis-configured.
          DEST="/home/${{ secrets.SSH_USERNAME }}/domains/peptiderepo.com/public_html/wp-content/themes/peptide-starter"
          ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }} -o StrictHostKeyChecking=no             ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }}             "test -f \"${DEST}/style.css\" || { echo \"ERROR: ${DEST}/style.css not found — aborting deploy to prevent rsync --delete wiping wrong directory\"; exit 1; }"

      - name: Snapshot plugin inventory (pre-deploy)
        run: |
          # Record active plugins before deploy so we can verify nothing was
          # accidentally wiped by rsync if the destination path drifts.
          ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }} -o StrictHostKeyChecking=no             ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }}             "wp --path=/home/${{ secrets.SSH_USERNAME }}/domains/peptiderepo.com/public_html plugin list --status=active --fields=name --allow-root 2>/dev/null | tee /tmp/plugins_pre_deploy.txt && echo \"Pre-deploy plugin count: $(wc -l < /tmp/plugins_pre_deploy.txt)\""

      - name: Deploy via rsync
        run: |
          rsync -avz --delete \
            --exclude='.git' \
            --exclude='.github' \
            --exclude='tests/' \
            --exclude='phpunit.xml' \
            --exclude='composer.json' \
            --exclude='composer.lock' \
            --exclude='vendor/' \
            --exclude='node_modules/' \
            --exclude='.phpcs.xml.dist' \
            -e "ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }} -o StrictHostKeyChecking=no" \
            ./ ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }}:/home/${{ secrets.SSH_USERNAME }}/domains/peptiderepo.com/public_html/wp-content/themes/peptide-starter/

      - name: Verify plugin inventory unchanged (post-deploy)
        run: |
          # Fail the deploy if rsync wiped any plugins. Compares active plugin
          # list before and after — any drop means something went wrong.
          ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }} -o StrictHostKeyChecking=no             ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            wp --path=/home/${{ secrets.SSH_USERNAME }}/domains/peptiderepo.com/public_html plugin list --status=active --fields=name --allow-root 2>/dev/null > /tmp/plugins_post_deploy.txt
            PRE=$(wc -l < /tmp/plugins_pre_deploy.txt)
            POST=$(wc -l < /tmp/plugins_post_deploy.txt)
            echo "Pre-deploy active plugins:  $PRE"
            echo "Post-deploy active plugins: $POST"
            if [ "$POST" -lt "$PRE" ]; then
              echo "ERROR: Plugin count dropped from $PRE to $POST after deploy."
              echo "Missing plugins:"
              diff /tmp/plugins_pre_deploy.txt /tmp/plugins_post_deploy.txt || true
              exit 1
            fi
            echo "Plugin inventory OK."
          ENDSSH

      - name: Purge LiteSpeed Cache
        run: |
          ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }} -o StrictHostKeyChecking=no \
            ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }} << 'ENDSSH'
            CACHE_DIR="/home/${{ secrets.SSH_USERNAME }}/domains/peptiderepo.com/public_html/wp-content/litespeed"
            if [ -d "$CACHE_DIR" ]; then
              rm -rf "$CACHE_DIR"/*
              echo "LiteSpeed cache purged."
            fi
            touch "/home/${{ secrets.SSH_USERNAME }}/domains/peptiderepo.com/public_html/.lscache_purge" 2>/dev/null || true
            echo "Cache purge signal sent."
          ENDSSH

      - name: Cleanup
        if: always()
        run: rm -f ~/.ssh/deploy_key

      - name: Health check
        run: |
          sleep 5
          STATUS=$(curl -s -o /dev/null -w "%{http_code}" https://peptiderepo.com)
          if [ "$STATUS" != "200" ] && [ "$STATUS" != "403" ]; then
            echo "ERROR: Site returned unexpected HTTP $STATUS after deploy"
            exit 1
          fi
          echo "Site is responsive (HTTP $STATUS)"