name: Deploy SiliconPin
on:
  push:
    branches: [ main ]  # Change this to match your main branch name if different
  workflow_dispatch:    # Allows manual workflow runs

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Cache Yarn dependencies
        uses: actions/cache@v4
        with:
          path: |
            ~/.cache/yarn
            node_modules
          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-yarn-

      - name: Install dependencies
        run: yarn install --frozen-lockfile

      - name: Create .env file
        run: |
          echo "Creating .env file with secrets..."
          echo "MONGODB_URI=${{ secrets.MONGODB_URI }}" > .env
          echo "REDIS_URL=${{ secrets.REDIS_URL }}" >> .env
          echo "SESSION_SECRET=${{ secrets.SESSION_SECRET }}" >> .env
          echo "JWT_SECRET=${{ secrets.JWT_SECRET }}" >> .env
          echo "JWT_REFRESH_SECRET=${{ secrets.JWT_REFRESH_SECRET }}" >> .env
          echo "GOOGLE_CLIENT_ID=${{ secrets.GOOGLE_CLIENT_ID }}" >> .env
          echo "GOOGLE_CLIENT_SECRET=${{ secrets.GOOGLE_CLIENT_SECRET }}" >> .env
          echo "GOOGLE_REDIRECT_URI=${{ secrets.GOOGLE_REDIRECT_URI }}" >> .env
          echo "NEXT_PUBLIC_APP_URL=${{ secrets.NEXT_PUBLIC_APP_URL }}" >> .env
          echo "NODE_ENV=production" >> .env

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: false
          tags: siliconpin:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max
          outputs: type=docker,dest=/tmp/siliconpin-image.tar

      - name: Load Docker image
        run: docker load -i /tmp/siliconpin-image.tar

      - name: Set up SSH
        uses: shimataro/ssh-key-action@v2
        with:
          key: ${{ secrets.SSH_PRIVATE_KEY }}
          known_hosts: 'just-a-placeholder'

      - name: Add remote host to known hosts
        run: |
          mkdir -p ~/.ssh
          echo "Adding ${{ secrets.SSH_HOST }} to known hosts..."
          ssh-keyscan -H ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts
          chmod 600 ~/.ssh/known_hosts

      - name: Compress Docker image
        run: |
          echo "Compressing Docker image..."
          gzip /tmp/siliconpin-image.tar
          mv /tmp/siliconpin-image.tar.gz siliconpin-image.tar.gz

      - name: Transfer Docker image to server
        run: |
          echo "Transferring Docker image to server..."
          scp -o StrictHostKeyChecking=no siliconpin-image.tar.gz ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:/root/services/siliconpin-image.tar.gz
          scp -o StrictHostKeyChecking=no docker-compose.yml ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }}:/root/services/siliconpin/docker-compose.yml

      - name: Deploy to production
        run: |
          ssh -o StrictHostKeyChecking=no ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} << 'EOF'
            # Force using bash instead of fish
            bash -c '
            # Navigate to the services directory
            cd /root/services/
          
            # Create siliconpin directory if it doesn not exist
            mkdir -p siliconpin
            cd siliconpin

            # Stop the current container
            docker compose down || true
            
            # Load the new Docker image
            echo "Loading Docker image..."
            docker load < /root/services/siliconpin-image.tar.gz
            
            # Remove the transferred image file
            rm -f /root/services/siliconpin-image.tar.gz
          
            # Start the container using the new image
            echo "Starting container..."
            docker compose up -d
          
            # Wait for container to be fully running
            echo "Waiting for container to be ready..."
            attempt=1
            max_attempts=30
          
            until [ $attempt -gt $max_attempts ] || docker container inspect siliconpin --format="{{.State.Running}}" 2>/dev/null | grep -q "true"; do
              echo "Attempt $attempt/$max_attempts: Container not ready yet, waiting..."
              sleep 2
              attempt=$((attempt+1))
            done
          
            if [ $attempt -gt $max_attempts ]; then
              echo "Container failed to start properly within time limit!"
              docker compose logs
              exit 1
            fi
          
            # Further verification of application health
            echo "Verifying application health..."
            timeout=120
            start_time=$(date +%s)
            end_time=$((start_time + timeout))
            while [ $(date +%s) -lt $end_time ]; do
              if curl -s http://localhost:4023/ > /dev/null; then
                echo "Application is responding!"
                break
              fi
              echo "Waiting for application to respond..."
              sleep 10
            done
          
            if ! curl -s http://localhost:4023/ > /dev/null; then
              echo "Application failed to respond within timeout!"
              docker compose logs
              exit 1
            fi
          
            # Clean up is already done above
          
            # Verify deployment
            echo "Deployment successful! Container is running and application is responding."
            docker ps | grep siliconpin
            '
          EOF