import ulid
from sqlalchemy import Column, String, Boolean, DateTime, func, ForeignKey
from sqlalchemy.orm import relationship
from app.core.database.db_session import Base

class EcomCustomer(Base):
    __tablename__ = "ecom_customers"

    customer_id = Column(String(26), primary_key=True, default=lambda: str(ulid.ULID()))
    google_id = Column(String(128), unique=True, index=True, nullable=True)
    email = Column(String(255), unique=True, index=True, nullable=False)
    password_hash = Column(String(255), nullable=True)
    first_name = Column(String(100), nullable=False)
    last_name = Column(String(100), nullable=False)
    phone = Column(String(30), unique=True, index=True, nullable=True)
    profile_picture = Column(String(1024), nullable=True)
    is_active = Column(Boolean, default=True)
    email_verified = Column(Boolean, default=False)
    phone_verified = Column(Boolean, default=False)
    last_login = Column(DateTime, nullable=True)
    created_at = Column(DateTime, server_default=func.now())
    updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now())

    # Relationships
    orders = relationship("Order", back_populates="customer")
    addresses = relationship("CustomerAddress", back_populates="customer", cascade="all, delete-orphan")
    refresh_tokens = relationship("CustomerRefreshToken", back_populates="customer", cascade="all, delete-orphan")

class CustomerAddress(Base):
    __tablename__ = "customer_addresses"

    address_id = Column(String(26), primary_key=True, default=lambda: str(ulid.ULID()))
    customer_id = Column(String(26), ForeignKey("ecom_customers.customer_id", ondelete="CASCADE"), nullable=False, index=True)
    address_type = Column(String(20), default="SHIPPING") # SHIPPING, BILLING
    full_name = Column(String(150), nullable=False)
    phone = Column(String(30), nullable=False)
    street_address = Column(String(255), nullable=False)
    city = Column(String(100), nullable=False)
    state = Column(String(100), nullable=False)
    pincode = Column(String(20), nullable=False, index=True)
    is_default = Column(Boolean, default=False)
    created_at = Column(DateTime, server_default=func.now())

    customer = relationship("EcomCustomer", back_populates="addresses")

class CustomerRefreshToken(Base):
    __tablename__ = "customer_refresh_tokens"

    id = Column(String(26), primary_key=True, default=lambda: str(ulid.ULID()))
    customer_id = Column(String(26), ForeignKey("ecom_customers.customer_id", ondelete="CASCADE"), nullable=False, index=True)
    token_hash = Column(String(255), unique=True, index=True, nullable=False)
    token_family_id = Column(String(26), nullable=False, index=True)
    expires_at = Column(DateTime, nullable=False)
    created_at = Column(DateTime, server_default=func.now())
    revoked_at = Column(DateTime, nullable=True)
    last_used_at = Column(DateTime, nullable=True)
    user_agent = Column(String(255), nullable=True)
    ip_address = Column(String(45), nullable=True)

    customer = relationship("EcomCustomer", back_populates="refresh_tokens")