from datetime import datetime
from uuid import uuid4

from sqlalchemy import DateTime, ForeignKey, UniqueConstraint, func
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import Mapped, mapped_column

from app.db.base import Base


class MemberOrganization(Base):
    __tablename__ = "member_organizations"
    __table_args__ = (
        UniqueConstraint("member_id", "organization_id", name="uq_member_organizations_member_org"),
    )

    id: Mapped[str] = mapped_column(UUID(as_uuid=False), primary_key=True, default=lambda: str(uuid4()))
    member_id: Mapped[str] = mapped_column(UUID(as_uuid=False), ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
    organization_id: Mapped[str] = mapped_column(
        UUID(as_uuid=False), ForeignKey("organizations.id", ondelete="CASCADE"), nullable=False
    )

    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), nullable=False)