from typing import Any

from pydantic import BaseModel, Field

# ── Connection points schemas (issue #115) ────────────────────────────────────


class EngineeringStructure(BaseModel):
    name: str | None
    type: str | None
    cad_num: str | None
    distance_to_boundary_m: float
    geometry_geojson: dict[str, Any]
    readable_address: str | None
    raw_props: dict[str, Any]
    source: str


class ZouitOverlap(BaseModel):
    reg_numb_border: str | None
    type_zone: str | None
    subcategory: int | None
    intersects_parcel: bool
    geometry_geojson: dict[str, Any]
    raw_props: dict[str, Any]
    source: str


class ConnectionPointsSummary(BaseModel):
    nearest_structure_distance_m: float | None
    in_protection_zone: bool
    protection_zones_intersecting: int
    total_structures_in_radius: int


class ConnectionPointsResponse(BaseModel):
    engineering_structures: list[EngineeringStructure]
    zouit_engineering_overlaps: list[ZouitOverlap]
    summary: ConnectionPointsSummary
    dump_available: bool
    dump_fetched_at: str | None


# ── Parcel search/detail schemas ──────────────────────────────────────────────


class ParcelFilter(BaseModel):
    vri: list[str] | None = None
    area_min_sqm: float | None = None
    area_max_sqm: float | None = None
    region: str | None = None
    polygon_geojson: dict[str, Any] | None = None
    text_search: str | None = None


class ScoringWeights(BaseModel):
    distance_to_center: float = 0.4
    poi_density: float = 0.3
    neighborhood_price: float = 0.3


class ParcelSearchRequest(BaseModel):
    filters: ParcelFilter = Field(default_factory=ParcelFilter)
    weights: ScoringWeights = Field(default_factory=ScoringWeights)
    limit: int = 50


class ScoreBreakdown(BaseModel):
    total: float
    distance_to_center: float
    poi_density: float
    neighborhood_price: float


class ParcelSummary(BaseModel):
    id: str
    cadastral_number: str
    area_sqm: float
    vri: str
    address: str | None
    score: ScoreBreakdown


class ParcelSearchResponse(BaseModel):
    items: list[ParcelSummary]
    total: int


class ParcelDetail(ParcelSummary):
    geometry_geojson: dict[str, Any]
    enrichment: dict[str, Any]