pipeline {
    agent any

    stages {

        stage('Checkout') {
            steps {
                echo 'Code checked out'
            }
        }

        stage('Install Dependencies') {
            steps {
                sh '''
                    cd platform
                    python3 -m venv venv
                    venv/bin/pip install -r requirements.txt --quiet
                '''
            }
        }

        stage('Test') {
            steps {
                sh '''
                    cd platform
                    echo "Running basic syntax check..."
                    venv/bin/python -m py_compile app.py && echo "✅ app.py syntax OK"
                '''
            }
        }

        stage('Deploy to Server 1') {
            steps {
                sh '''
                    cp -r platform/* /root/management-platform/
                    cd /root/management-platform
                    venv/bin/pip install -r requirements.txt --quiet 2>/dev/null || true
                    systemctl restart management-platform
                    sleep 4
                    systemctl is-active --quiet management-platform && echo "✅ Deployed OK" || exit 1
                '''
            }
        }
    }

    post {
        success {
            echo '✅ Pipeline succeeded — platform deployed'
        }
        failure {
            echo '❌ Pipeline failed — old version still running'
        }
    }
}