from typing import List, Optional
from pydantic import BaseModel

from app.core.type import Node

class QueryContext(BaseModel):
    crop_id: Optional[str] = None
    nodes: Optional[List[Node]] = None
    predicted_labels: Optional[List[str]] = None

class PredictedLabel(BaseModel):
    crop_name: str
    label: str
    confidence: float

class KGQueryRequest(BaseModel):
    context: Optional[QueryContext] = None
    crop_id: Optional[str] = None
    additional_info: Optional[str] = None

class KGQueryResponse(BaseModel):
    answer: str
    sources: List[str]