from abc import ABC, abstractmethod
from typing import Dict, Any
import random
import time

class MessageGenerator(ABC):
    @abstractmethod
    def generate_message(self) -> Dict[str, Any]:
        pass

class OrderMessageGenerator(MessageGenerator):
    def generate_message(self) -> Dict[str, Any]:
        order_id = f"ORD-{random.randint(1000, 9999)}"
        return {
            "order_id": order_id,
            "customer_id": f"CUST-{random.randint(100, 999)}",
            "amount": round(random.uniform(10.0, 1000.0), 2),
            "items": random.randint(1, 10),
            "timestamp": time.time()
        }

class NotificationMessageGenerator(MessageGenerator):
    def generate_message(self) -> Dict[str, Any]:
        return {
            "notification_id": f"NOTIF-{random.randint(1000, 9999)}",
            "user_id": f"USER-{random.randint(100, 999)}",
            "type": random.choice(["email", "sms", "push"]),
            "priority": random.choice(["high", "medium", "low"]),
            "timestamp": time.time()
        }

class AnalyticsMessageGenerator(MessageGenerator):
    def generate_message(self) -> Dict[str, Any]:
        return {
            "event_id": f"EVT-{random.randint(1000, 9999)}",
            "event_type": random.choice(["page_view", "click", "purchase", "login"]),
            "user_id": f"USER-{random.randint(100, 999)}",
            "session_id": f"SESSION-{random.randint(1000, 9999)}",
            "timestamp": time.time()
        }