import uuid
from datetime import datetime

from sqlalchemy import String, Text, func
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.models.base import Base


class Project(Base):
    __tablename__ = "projects"

    id: Mapped[str] = mapped_column(
        String(36), primary_key=True, default=lambda: str(uuid.uuid4())
    )
    user_id: Mapped[str] = mapped_column(String(36), index=True)
    name: Mapped[str] = mapped_column(String(255))
    description: Mapped[str | None] = mapped_column(Text, nullable=True)
    created_at: Mapped[datetime] = mapped_column(server_default=func.now())
    updated_at: Mapped[datetime] = mapped_column(server_default=func.now(), onupdate=func.now())

    analyses: Mapped[list["Analysis"]] = relationship(  # noqa: F821
        back_populates="project", cascade="all, delete-orphan"
    )
    comparisons: Mapped[list["Comparison"]] = relationship(  # noqa: F821
        back_populates="project", cascade="all, delete-orphan"
    )