import uuid
from sqlalchemy import Boolean, Column, DateTime, ForeignKey, Integer, String, func
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import relationship
from app.config.database import Base

class User(Base):
    __tablename__ = "users"

    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4, index=True)
    email = Column(String, unique=True, index=True, nullable=False)
    password = Column(String, nullable=False)
    first_name = Column(String, nullable=False)
    last_name = Column(String, nullable=True)
    phone_number = Column(String, nullable=True)
    preferred_language = Column(String, default="en", nullable=True)
    status = Column(String, default="active", nullable=False)

    failed_login_attempts = Column(Integer, default=0, nullable=False)
    locked_until = Column(DateTime(timezone=True), nullable=True)
    last_failed_login_at = Column(DateTime(timezone=True), nullable=True)

    is_superadmin = Column(Boolean, default=False, nullable=False)

    tenant_id = Column(UUID(as_uuid=True), ForeignKey("tenants.id"), nullable=True, index=True)
    
    role_id = Column(UUID(as_uuid=True), ForeignKey("roles.id"), nullable=True, index=True)
    
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    updated_at = Column(DateTime(timezone=True), onupdate=func.now(), server_default=func.now())
    password_updated_at = Column(DateTime(timezone=True), server_default=func.now())

    deleted_at = Column(DateTime(timezone=True), nullable=True)
    deleted_by_id = Column(UUID(as_uuid=True), nullable=True)
    deleted_email = Column(String, nullable=True)

    @property
    def is_deleted(self) -> bool:
        return self.deleted_at is not None

    tenant = relationship("Tenant", back_populates="users")
    role = relationship("Role", back_populates="users")

    def __repr__(self):
        return f"<User {self.email}>"