import uuid
from datetime import datetime, timedelta, timezone

from sqlalchemy import DateTime, ForeignKey, String, func
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.models.base import Base, GUID


class Invitation(Base):
    __tablename__ = "invitations"

    id: Mapped[uuid.UUID] = mapped_column(GUID, primary_key=True, default=uuid.uuid4)
    email: Mapped[str] = mapped_column(String(255), nullable=False, index=True)
    type_utilisateur: Mapped[str] = mapped_column(String(50), nullable=False)
    # Possible values: UTILISATEUR, GESTIONNAIRE, ADMIN_SYSTEME
    statut: Mapped[str] = mapped_column(String(20), default="PENDING", nullable=False)
    # Possible values: PENDING, ACCEPTED, EXPIRED, CANCELLED
    invite_par_id: Mapped[uuid.UUID | None] = mapped_column(
        GUID,
        ForeignKey("utilisateurs.id", ondelete="SET NULL"),
        nullable=True,
        index=True,
    )
    date_creation: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), nullable=False
    )
    date_expiration: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), nullable=False
    )
    date_acceptation: Mapped[datetime | None] = mapped_column(
        DateTime(timezone=True), nullable=True
    )

    invite_par: Mapped["Utilisateur | None"] = relationship("Utilisateur")


from app.models.utilisateur import Utilisateur  # noqa: E402, F401