from pydantic import BaseModel, Field


class NeighborhoodPOICounts(BaseModel):
    education: int = Field(0, ge=0, description="SCHOOL + UNIVERSITY within 2km")
    healthcare: int = Field(0, ge=0, description="HOSPITAL + CLINIC within 3km")
    transport: int = Field(0, ge=0, description="METRO_STATION + BUS_STOP within 1km")
    shopping: int = Field(0, ge=0, description="MALL + MARKET + SUPERMARKET within 2km")
    greenery: int = Field(0, ge=0, description="PARK within 1km")
    safety: int = Field(0, ge=0, description="POLICE_STATION + FIRE_STATION within 3km")


class NeighborhoodScoreRequest(BaseModel):
    district: str = Field(..., min_length=1, description="District name (e.g. Quận 1)")
    city: str = Field(..., min_length=1, description="City name (e.g. Hồ Chí Minh)")
    poi_counts: NeighborhoodPOICounts = Field(
        ...,
        description="Per-category POI counts already filtered by radius in NestJS",
    )


class NeighborhoodScoreResponse(BaseModel):
    district: str
    city: str
    education_score: float = Field(..., ge=0, le=10)
    healthcare_score: float = Field(..., ge=0, le=10)
    transport_score: float = Field(..., ge=0, le=10)
    shopping_score: float = Field(..., ge=0, le=10)
    greenery_score: float = Field(..., ge=0, le=10)
    safety_score: float = Field(..., ge=0, le=10)
    total_score: float = Field(..., ge=0, le=100)
    poi_counts: dict[str, int]
    algorithm_version: str