"""产品竞争力诊断模型。

AI 体验产品 + 竞品对比 + 热力图。
"""

import uuid
from datetime import datetime, timezone

from sqlalchemy import DateTime, ForeignKey, String, Text
from sqlalchemy.orm import Mapped, mapped_column

from app.core.database import Base
from app.core.types import JSONBType


class ProductDiagnostic(Base):
    """产品竞争力诊断。"""

    __tablename__ = "product_diagnostics"

    id: Mapped[str] = mapped_column(String(36), primary_key=True, default=lambda: str(uuid.uuid4()))
    company_id: Mapped[str] = mapped_column(String(36), ForeignKey("companies.id"), nullable=False, index=True)
    product_name: Mapped[str | None] = mapped_column(String(200), nullable=True)
    dimensions: Mapped[dict | None] = mapped_column(JSONBType, nullable=True, comment="竞争力维度评分")
    heatmap_data: Mapped[dict | None] = mapped_column(JSONBType, nullable=True, comment="热力图数据")
    competitors: Mapped[dict | None] = mapped_column(JSONBType, nullable=True, comment="竞品对比")
    roadmap_suggestions: Mapped[str | None] = mapped_column(Text, nullable=True, comment="路线图建议")
    created_at: Mapped[datetime] = mapped_column(
        DateTime(timezone=True), default=lambda: datetime.now(timezone.utc)
    )