"""
User Data Service
Handles fetching user data from the onboarding database.
"""

from typing import Optional, List, Dict, Any
from sqlalchemy.orm import Session
from loguru import logger

from models.onboarding import OnboardingSession, WebsiteAnalysis, APIKey, ResearchPreferences

class UserDataService:
    """Service for managing user data from onboarding."""
    
    def __init__(self, db_session: Session):
        self.db = db_session
    
    def get_user_website_url(self, user_id: int = 1) -> Optional[str]:
        """
        Get the website URL for a user from their onboarding data.
        
        Args:
            user_id: The user ID (defaults to 1 for single-user setup)
            
        Returns:
            Website URL or None if not found
        """
        try:
            # Get the latest onboarding session for the user
            session = self.db.query(OnboardingSession).filter(
                OnboardingSession.user_id == user_id
            ).order_by(OnboardingSession.updated_at.desc()).first()
            
            if not session:
                logger.warning(f"No onboarding session found for user {user_id}")
                return None
            
            # Get the latest website analysis for this session
            website_analysis = self.db.query(WebsiteAnalysis).filter(
                WebsiteAnalysis.session_id == session.id
            ).order_by(WebsiteAnalysis.updated_at.desc()).first()
            
            if not website_analysis:
                logger.warning(f"No website analysis found for session {session.id}")
                return None
            
            logger.info(f"Found website URL: {website_analysis.website_url}")
            return website_analysis.website_url
            
        except Exception as e:
            logger.error(f"Error getting user website URL: {str(e)}")
            return None
    
    def get_user_onboarding_data(self, user_id: int = 1) -> Optional[Dict[str, Any]]:
        """
        Get comprehensive onboarding data for a user.
        
        Args:
            user_id: The user ID (defaults to 1 for single-user setup)
            
        Returns:
            Dictionary with onboarding data or None if not found
        """
        try:
            # Get the latest onboarding session
            session = self.db.query(OnboardingSession).filter(
                OnboardingSession.user_id == user_id
            ).order_by(OnboardingSession.updated_at.desc()).first()
            
            if not session:
                return None
            
            # Get website analysis
            website_analysis = self.db.query(WebsiteAnalysis).filter(
                WebsiteAnalysis.session_id == session.id
            ).order_by(WebsiteAnalysis.updated_at.desc()).first()
            
            # Get API keys
            api_keys = self.db.query(APIKey).filter(
                APIKey.session_id == session.id
            ).all()
            
            # Get research preferences
            research_preferences = self.db.query(ResearchPreferences).filter(
                ResearchPreferences.session_id == session.id
            ).first()
            
            return {
                'session': {
                    'id': session.id,
                    'current_step': session.current_step,
                    'progress': session.progress,
                    'started_at': session.started_at.isoformat() if session.started_at else None,
                    'updated_at': session.updated_at.isoformat() if session.updated_at else None
                },
                'website_analysis': website_analysis.to_dict() if website_analysis else None,
                'api_keys': [
                    {
                        'id': key.id,
                        'provider': key.provider,
                        'created_at': key.created_at.isoformat() if key.created_at else None
                    }
                    for key in api_keys
                ],
                'research_preferences': research_preferences.to_dict() if research_preferences else None
            }
            
        except Exception as e:
            logger.error(f"Error getting user onboarding data: {str(e)}")
            return None
    
    def get_user_website_analysis(self, user_id: int = 1) -> Optional[Dict[str, Any]]:
        """
        Get website analysis data for a user.
        
        Args:
            user_id: The user ID (defaults to 1 for single-user setup)
            
        Returns:
            Website analysis data or None if not found
        """
        try:
            # Get the latest onboarding session
            session = self.db.query(OnboardingSession).filter(
                OnboardingSession.user_id == user_id
            ).order_by(OnboardingSession.updated_at.desc()).first()
            
            if not session:
                return None
            
            # Get website analysis
            website_analysis = self.db.query(WebsiteAnalysis).filter(
                WebsiteAnalysis.session_id == session.id
            ).order_by(WebsiteAnalysis.updated_at.desc()).first()
            
            if not website_analysis:
                return None
            
            return website_analysis.to_dict()
            
        except Exception as e:
            logger.error(f"Error getting user website analysis: {str(e)}")
            return None