pipeline {
    agent any
    
    environment {
        BOT_DIR = '/srv/fymious-tg-bot'
        VENV_DIR = '/srv/fymious-tg-bot/.venv'
        TELEGRAM_BOT_TOKEN = credentials('telegram-bot-token')
    }
    
    stages {
        stage('Checkout') {
            steps {
                echo 'Pulling latest code...'
                checkout scm
            }
        }
        
        stage('Setup') {
            steps {
                echo 'Setting up virtual environment and dependencies...'
                sh '''
                    # Create bot directory if it doesn't exist
                    mkdir -p ${BOT_DIR}
                    
                    # Copy files to bot directory
                    cp -r * ${BOT_DIR}/
                    
                    cd ${BOT_DIR}
                    
                    # Create virtual environment if it doesn't exist
                    if [ ! -d "${VENV_DIR}" ]; then
                        python3 -m venv ${VENV_DIR}
                    fi
                    
                    # Install/update dependencies
                    ${VENV_DIR}/bin/pip install -r requirements.txt
                '''
            }
        }
        
        stage('Deploy') {
            steps {
                echo 'Restarting bot...'
                sh '''
                    # Kill existing bot process
                    pkill -f "python.*main.py" || true
                    
                    # Wait a moment
                    sleep 2
                    
                    # Start bot in background
                    cd ${BOT_DIR}
                    nohup ${VENV_DIR}/bin/python main.py > ${BOT_DIR}/bot.log 2>&1 &
                    
                    # Verify bot started
                    sleep 3
                    if pgrep -f "python.*main.py" > /dev/null; then
                        echo "Bot started successfully!"
                    else
                        echo "Failed to start bot. Check logs at ${BOT_DIR}/bot.log"
                        exit 1
                    fi
                '''
            }
        }
    }
    
    post {
        success {
            echo 'Deployment successful!'
        }
        failure {
            echo 'Deployment failed!'
        }
    }
}