import uuid

from sqlalchemy import Boolean, ForeignKey, Integer, String, Text
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import Mapped, mapped_column, relationship

from app.database import Base


class Skill(Base):
    __tablename__ = "skills"

    user_id: Mapped[uuid.UUID | None] = mapped_column(
        UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=True, index=True
    )
    name: Mapped[str] = mapped_column(String(100), nullable=False)
    description: Mapped[str | None] = mapped_column(Text, nullable=True)
    system_prompt: Mapped[str] = mapped_column(Text, nullable=False)
    icon: Mapped[str | None] = mapped_column(String(50), nullable=True)
    is_active: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True)
    sort_order: Mapped[int] = mapped_column(Integer, nullable=False, default=0)

    user: Mapped["User | None"] = relationship(back_populates="skills")  # noqa: F821