name: Deploy to WordPress

on:
  push:
    branches: [ main ]

permissions:
  contents: write

concurrency:
  group: deploy-production
  cancel-in-progress: true

jobs:
  test:
    name: Pre-deploy tests
    uses: ./.github/workflows/ci.yml

  deploy-staging:
    name: Deploy to Staging
    needs: test
    runs-on: ubuntu-latest
    environment: staging
    steps:
      - uses: actions/checkout@v4
        with:
          ref: main
      - 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>/dev/null || true
      - name: Deploy via rsync → staging
        run: |
          rsync -avz --delete \
            --exclude='.git' --exclude='.github' \
            --exclude='tests' --exclude='phpunit.xml.dist' \
            --exclude='ARCHITECTURE.md' --exclude='CONVENTIONS.md' --exclude='CHANGELOG.md' \
            -e "ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }} -o StrictHostKeyChecking=accept-new" \
            ./ ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }}:/home/${{ secrets.SSH_USERNAME }}/domains/peptiderepo.com/public_html/staging/wp-content/plugins/peptide-news-plugin/
      - name: Staging health check
        run: |
          sleep 5
          STATUS=$(curl -s -o /dev/null -w "%{http_code}" https://staging.peptiderepo.com/ || echo "000")
          echo "Staging responded: HTTP $STATUS"
      - name: Cleanup
        if: always()
        run: rm -f ~/.ssh/deploy_key

  sync-deploy-branch:
    name: Sync deploy branch
    runs-on: ubuntu-latest
    needs: [test, deploy-staging]
    environment: production
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Sync deploy branch
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git fetch origin deploy:deploy 2>/dev/null || true
          if git rev-parse --verify deploy >/dev/null 2>&1; then
            git checkout deploy
          else
            git checkout --orphan deploy
            git rm -rf --cached . > /dev/null 2>&1 || true
          fi
          git rm -rf . > /dev/null 2>&1 || true
          git checkout main -- \
            admin/ \
            includes/ \
            languages/ \
            public/ \
            peptide-news-plugin.php
          git add -A
          if git diff-index --quiet HEAD -- 2>/dev/null; then
            echo "No changes to deploy."
          else
            git commit -m "Deploy ${GITHUB_SHA::7} from main"
          fi
          git push origin deploy

  deploy:
    name: Deploy to Hostinger
    runs-on: ubuntu-latest
    needs: sync-deploy-branch
    environment: production
    steps:
      - name: Checkout deploy branch
        uses: actions/checkout@v4
        with:
          ref: deploy
      - name: Setup SSH key
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/deploy_key
          chmod 600 ~/.ssh/deploy_key
          if [ -n "${{ secrets.KNOWN_HOSTS }}" ]; then
            echo "${{ secrets.KNOWN_HOSTS }}" >> ~/.ssh/known_hosts
          else
            ssh-keyscan -p ${{ secrets.SSH_PORT }} ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts 2>/dev/null || true
          fi
      - name: Deploy via rsync
        run: |
          rsync -avz --delete \
            --exclude='.git' \
            --exclude='.github' \
            -e "ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }} -o StrictHostKeyChecking=accept-new" \
            ./ ${{ secrets.SSH_USERNAME }}@${{ secrets.SSH_HOST }}:/home/${{ secrets.SSH_USERNAME }}/domains/peptiderepo.com/public_html/wp-content/plugins/peptide-news-plugin/
      - name: Purge LiteSpeed Cache
        if: success()
        run: |
          ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT }} -o StrictHostKeyChecking=accept-new \
            ${{ secrets.SSH_USERNAME }}@${{ 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
          ENDSSH
      - name: Cleanup SSH key
        if: always()
        run: rm -f ~/.ssh/deploy_key
      - name: Deploy summary
        run: |
          echo "## Deployment Complete" >> $GITHUB_STEP_SUMMARY
          echo "- **Commit:** \`${GITHUB_SHA::7}\`" >> $GITHUB_STEP_SUMMARY
          echo "- **Deployed to:** peptiderepo.com" >> $GITHUB_STEP_SUMMARY