# ============================================================
# app/models/user.py - User Model
# ============================================================
from datetime import datetime
from typing import Optional
from datetime import datetime
from enum import Enum

class UserRole(str, Enum):
    """User roles"""
    RENTER = "renter"
    LANDLORD = "landlord"
    ADMIN = "admin"

class SubscriptionType(str, Enum):
    """Subscription types"""
    FREE = "free"
    PREMIUM = "premium"

class User:
    """User model for MongoDB"""
    
    @staticmethod
    def create_document(
        first_name: str,
        last_name: str,
        email: Optional[str],
        phone: Optional[str],
        hashed_password: str,
        role: str,
        preferred_language: str = "en",
    ) -> dict:
        """Create user document for insertion"""
        now = datetime.utcnow()
        return {
            "firstName": first_name,
            "lastName": last_name,
            "email": email.lower() if email else None,
            "phone": phone,
            "password": hashed_password,
            "role": role,
            "subscriptionType": SubscriptionType.FREE.value,
            "subscriptionExpiresAt": None,
            "isEmailVerified": False if email else None,
            "isPhoneVerified": False if phone else None,
            "isActive": False,  # Inactive until email/phone verified
            "totalListings": 0,
            "profilePicture": None,
            "bio": None,
            "location": None,
            "languages": [],
            "preferredLanguage": preferred_language,  # User's preferred language for emails/notifications
            "isVerified": False,
            "rating": 0.0,  # User's average rating from reviews
            "reviews_count": 0,  # Number of reviews received
            "lastLogin": None,
            "createdAt": now,
            "updatedAt": now,
        }
    
    @staticmethod
    def format_response(user_doc: dict) -> dict:
        """Format user document for API response"""
        if not user_doc:
            return None

        return {
            "id": str(user_doc.get("_id", "")),
            "firstName": user_doc.get("firstName"),
            "lastName": user_doc.get("lastName"),
            "email": user_doc.get("email"),
            "phone": user_doc.get("phone"),
            "role": user_doc.get("role"),
            "subscriptionType": user_doc.get("subscriptionType", "free"),
            "subscriptionExpiresAt": user_doc.get("subscriptionExpiresAt"),
            "isEmailVerified": user_doc.get("isEmailVerified"),
            "isPhoneVerified": user_doc.get("isPhoneVerified"),
            "isActive": user_doc.get("isActive"),
            "totalListings": user_doc.get("totalListings", 0),
            "profilePicture": user_doc.get("profilePicture"),
            "bio": user_doc.get("bio"),
            "location": user_doc.get("location"),
            "languages": user_doc.get("languages", []),
            "preferredLanguage": user_doc.get("preferredLanguage", "en"),
            "isVerified": user_doc.get("isVerified", False),
            "rating": user_doc.get("rating", 0.0),  # User's average rating
            "reviews_count": user_doc.get("reviews_count", 0),
            "lastLogin": user_doc.get("lastLogin"),
            "createdAt": user_doc.get("createdAt"),
            "updatedAt": user_doc.get("updatedAt"),
        }

# ============================================================
# app/models/otp.py - OTP Model
# ============================================================

class OTP:
    """OTP model for MongoDB"""
    
    OTP_PURPOSES = ["signup", "password_reset"]
    
    @staticmethod
    def create_document(
        identifier: str,
        code: str,
        purpose: str,
    ) -> dict:
        """Create OTP document for insertion"""
        return {
            "identifier": identifier,
            "code": code,
            "purpose": purpose,
            "isVerified": False,
            "attempts": 0,
            "createdAt": datetime.utcnow(),
        }
    
    @staticmethod
    def format_response(otp_doc: dict) -> dict:
        """Format OTP document for API response"""
        if not otp_doc:
            return None
        
        return {
            "id": str(otp_doc.get("_id", "")),
            "identifier": otp_doc.get("identifier"),
            "purpose": otp_doc.get("purpose"),
            "isVerified": otp_doc.get("isVerified"),
            "attempts": otp_doc.get("attempts"),
            "createdAt": otp_doc.get("createdAt"),
        }