import json
import time
import logging
from typing import Dict, Any, Optional
from datetime import datetime
from core.redis_client import redis_client

logger = logging.getLogger(__name__)

class UserLogger:
    """Comprehensive user interaction logging system"""
    
    def __init__(self):
        self.redis_client = redis_client.get_client()
        
    def log_user_action(self, user_id: str, action: str, details: Dict[str, Any] = None):
        """Log a user action"""
        try:
            event_data = {
                "user_id": user_id,
                "action": action,
                "timestamp": datetime.now().isoformat(),
                "details": details or {}
            }
            
            # Store in Redis with expiration (30 days)
            key = f"analytics:user_events:{user_id}:{int(time.time())}"
            self.redis_client.setex(
                key, 
                2592000,  # 30 days in seconds
                json.dumps(event_data)
            )
            
            # Also store in global events
            global_key = f"analytics:global_events:{int(time.time())}"
            self.redis_client.setex(
                global_key,
                2592000,  # 30 days in seconds
                json.dumps(event_data)
            )
            
            logger.info(f"Logged user action: {user_id} - {action}")
        except Exception as e:
            logger.error(f"Failed to log user action: {e}")
    
    def log_ui_state(self, user_id: str, state: str, details: Dict[str, Any] = None):
        """Log UI state changes"""
        self.log_user_action(user_id, f"ui_state_{state}", details)
        
    def log_performance_metric(self, user_id: str, metric_name: str, value: float, details: Dict[str, Any] = None):
        """Log performance metrics"""
        metric_details = {
            "value": value,
            "metric": metric_name
        }
        if details:
            metric_details.update(details)
            
        self.log_user_action(user_id, f"performance_{metric_name}", metric_details)
        
    def log_error(self, user_id: str, error_type: str, error_message: str, details: Dict[str, Any] = None):
        """Log errors"""
        error_details = {
            "error_type": error_type,
            "error_message": error_message
        }
        if details:
            error_details.update(details)
            
        self.log_user_action(user_id, f"error_{error_type}", error_details)
        
    def log_feedback(self, user_id: str, rating: int, comment: str = "", details: Dict[str, Any] = None):
        """Log user feedback"""
        feedback_details = {
            "rating": rating,
            "comment": comment
        }
        if details:
            feedback_details.update(details)
            
        self.log_user_action(user_id, "user_feedback", feedback_details)

# Global instance
user_logger = UserLogger()