import uuid
from datetime import datetime

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

from app.models.base import Base


class Message(Base):
    __tablename__ = "messages"

    id: Mapped[uuid.UUID] = mapped_column(primary_key=True, default=uuid.uuid4)
    room_id: Mapped[uuid.UUID] = mapped_column(ForeignKey("rooms.id"), index=True, nullable=False)
    user_id: Mapped[uuid.UUID] = mapped_column(ForeignKey("users.id"), nullable=False)
    content: Mapped[str] = mapped_column(Text, nullable=False)
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), server_default=func.now(), index=True, nullable=False
    )
    edited_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
    deleted_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))

    user = relationship("User")