pipeline {
  agent any
  tools { nodejs 'Node' }
  environment {
    WEB_IP = '13.49.223.142'     // your EC2 web server IP
    SSH_CRED = 'deploy-ec2-key'  // Jenkins credential ID for SSH key
  }
  stages {
    stage('Checkout') { steps { checkout scm } }
    stage('Install')  { steps { sh 'npm ci || npm install' } }
    stage('Build')    { steps { sh 'npm run build' } }
    stage('Package') {
      steps {
        sh '''
          OUT_DIR="build"
          [ -d dist ] && OUT_DIR="dist"
          if [ ! -d "$OUT_DIR" ]; then
            echo "ERROR: No build output found (build/ or dist/)"
            ls -la
            exit 1
          fi
          tar -czf build.tar.gz -C "$OUT_DIR" .
        '''
        archiveArtifacts artifacts: 'build.tar.gz'
      }
    }
    stage('Deploy') {
      steps {
        sshagent(credentials: [env.SSH_CRED]) {
          sh '''
            scp -o StrictHostKeyChecking=no build.tar.gz deploy@${WEB_IP}:/tmp/build.tar.gz
            ssh -o StrictHostKeyChecking=no deploy@${WEB_IP} '
              sudo rm -rf /var/www/reactapp/*;
              sudo mkdir -p /var/www/reactapp;
              sudo tar -xzf /tmp/build.tar.gz -C /var/www/reactapp;
              sudo systemctl reload nginx
            '
          '''
        }
      }
    }
  }
  post {
    success { echo "✅ Deployed successfully" }
    failure { echo "❌ Failed — check console" }
  }
}