from sqlalchemy import Column, Integer, String, DateTime, Table, ForeignKey
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
from database import Base


# Many-to-many: one manager can access multiple sites, one site can have multiple managers
manager_site_access = Table(
    "manager_site_access",
    Base.metadata,
    Column("manager_id", Integer, ForeignKey("manager_accounts.id"), primary_key=True),
    Column("site_id", Integer, ForeignKey("sites.id"), primary_key=True),
)


class ManagerAccount(Base):
    __tablename__ = "manager_accounts"

    id = Column(Integer, primary_key=True, index=True)
    email = Column(String, unique=True, nullable=False, index=True)
    password_hash = Column(String, nullable=False)
    full_name = Column(String, nullable=True)
    is_active = Column(Integer, default=1, nullable=False)
    created_at = Column(DateTime(timezone=True), server_default=func.now())

    sites = relationship("Site", secondary=manager_site_access, backref="manager_accounts")