import uuid
from datetime import datetime

from sqlalchemy import Boolean, DateTime, ForeignKey, Integer, JSON, String, Text, func
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.models.base import Base, GUID


class Calendrier(Base):
    __tablename__ = "calendriers"

    id: Mapped[uuid.UUID] = mapped_column(GUID, primary_key=True, default=uuid.uuid4)
    titre: Mapped[str] = mapped_column(String(255), nullable=False)
    description: Mapped[str] = mapped_column(Text, nullable=False)
    type: Mapped[str] = mapped_column(String(50), nullable=False)
    # Possible values: ATELIER, CONFERENCE, FORMATION, REUNION, PERMANENCE, CAMPAGNE, AUTRE

    statut: Mapped[str] = mapped_column(String(20), default="PUBLIE", nullable=False, index=True)
    # Possible values: BROUILLON, PUBLIE, EN_COURS, TERMINE, ANNULE

    date_debut: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
    date_fin: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
    lieu: Mapped[str] = mapped_column(String(300), nullable=False)
    est_en_ligne: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
    lien_en_ligne: Mapped[str | None] = mapped_column(String(500), nullable=True)
    nb_max_participants: Mapped[int | None] = mapped_column(Integer, nullable=True)
    nb_participants_actuels: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
    image_url: Mapped[str | None] = mapped_column(String(500), nullable=True)
    tags: Mapped[list[str]] = mapped_column(
        JSON, default=list, nullable=False, server_default="[]"
    )
    public_cible: Mapped[list[str]] = mapped_column(
        JSON, default=list, nullable=False, server_default="[]"
    )
    organisateur_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_modification: Mapped[datetime | None] = mapped_column(
        DateTime(timezone=True), onupdate=func.now(), nullable=True
    )

    organisateur: Mapped["Utilisateur | None"] = relationship("Utilisateur")
    inscriptions: Mapped[list["InscriptionEvenement"]] = relationship(
        "InscriptionEvenement", back_populates="calendrier", cascade="all, delete-orphan"
    )


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