# ================================================================
# services/auth/app/models/users.py - FIXED VERSION
# ================================================================
"""
User models for authentication service - FIXED
"""

from sqlalchemy import Column, String, Boolean, DateTime, Text
from sqlalchemy.dialects.postgresql import UUID
from datetime import datetime, timezone
import uuid

from shared.database.base import Base

class User(Base):
    """User model - FIXED timezone handling"""
    __tablename__ = "users"
    
    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    email = Column(String(255), unique=True, index=True, nullable=False)
    hashed_password = Column(String(255), nullable=False)
    full_name = Column(String(255), nullable=False)
    is_active = Column(Boolean, default=True)
    is_verified = Column(Boolean, default=False)
    tenant_id = Column(UUID(as_uuid=True), nullable=True)
    role = Column(String(50), default="user")  # user, admin, super_admin
    
    # FIXED: Use timezone-aware datetime for all datetime fields
    created_at = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc))
    updated_at = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc), onupdate=lambda: datetime.now(timezone.utc))
    last_login = Column(DateTime(timezone=True))  # FIXED: Now timezone-aware
    
    # Profile fields
    phone = Column(String(20))
    language = Column(String(10), default="es")
    timezone = Column(String(50), default="Europe/Madrid")
    
    def __repr__(self):
        return f"<User(id={self.id}, email={self.email})>"
    
    def to_dict(self):
        """Convert user to dictionary"""
        return {
            "id": str(self.id),
            "email": self.email,
            "full_name": self.full_name,
            "is_active": self.is_active,
            "is_verified": self.is_verified,
            "tenant_id": str(self.tenant_id) if self.tenant_id else None,
            "role": self.role,
            "created_at": self.created_at.isoformat() if self.created_at else None,
            "last_login": self.last_login.isoformat() if self.last_login else None,
            "phone": self.phone,
            "language": self.language,
            "timezone": self.timezone
        }


class UserSession(Base):
    """User session model - FIXED timezone handling"""
    __tablename__ = "user_sessions"
    
    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
    user_id = Column(UUID(as_uuid=True), nullable=False, index=True)
    refresh_token_hash = Column(String(255), nullable=False)
    is_active = Column(Boolean, default=True)
    expires_at = Column(DateTime(timezone=True), nullable=False)  # FIXED: timezone-aware
    
    # Session metadata
    ip_address = Column(String(45))
    user_agent = Column(Text)
    device_info = Column(Text)
    
    # FIXED: Use timezone-aware datetime
    created_at = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc))
    updated_at = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc), onupdate=lambda: datetime.now(timezone.utc))
    
    def __repr__(self):
        return f"<UserSession(id={self.id}, user_id={self.user_id})>"