"""Table taches — tâches assignables aux postes."""
import uuid
from datetime import datetime, timezone
from sqlalchemy import String, Text, DateTime, ForeignKey, Integer
from sqlalchemy.orm import Mapped, mapped_column
from app.core.database import Base


class Tache(Base):
    __tablename__ = "taches"

    id: Mapped[uuid.UUID] = mapped_column(primary_key=True, default=uuid.uuid4)
    nom: Mapped[str] = mapped_column(String(200), nullable=False)
    informations: Mapped[str | None] = mapped_column(Text)
    ordre_affichage: Mapped[int] = mapped_column(Integer, default=99)
    cree_le: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), default=lambda: datetime.now(timezone.utc)
    )


class PosteTache(Base):
    """Association poste ↔ tâche (N:N). Une tâche peut être affectée à plusieurs postes."""
    __tablename__ = "postes_taches"

    id: Mapped[uuid.UUID] = mapped_column(primary_key=True, default=uuid.uuid4)
    poste_id: Mapped[uuid.UUID] = mapped_column(ForeignKey("postes.id"), nullable=False)
    tache_id: Mapped[uuid.UUID] = mapped_column(ForeignKey("taches.id"), nullable=False)
    cree_le: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), default=lambda: datetime.now(timezone.utc)
    )