from __future__ import annotations

import uuid

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

from app.db.session import Base
from app.models.common import TimestampMixin, UUIDMixin


class RequestDataTemplate(Base, UUIDMixin, TimestampMixin):
    __tablename__ = "request_data_templates"
    __table_args__ = (
        UniqueConstraint("topic_code", "name", name="uq_request_data_templates_topic_name"),
    )

    topic_code: Mapped[str] = mapped_column(String(50), nullable=False, index=True)
    name: Mapped[str] = mapped_column(String(200), nullable=False, index=True)
    description: Mapped[str | None] = mapped_column(Text, nullable=True)
    enabled: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
    sort_order: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
    created_by_admin_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), nullable=True, index=True)