from __future__ import annotations

from typing import Literal
from uuid import UUID

from pydantic import Field

from .common import ApiEnvelope, JsonObject, JsonValue, RouteContract, SchemaModel


class PestDiseaseDetectionRequest(SchemaModel):
    farm_uuid: UUID
    sensor_uuid: UUID | None = None
    plant_name: str | None = None
    query: str | None = None
    image_urls: list[str] = Field(default_factory=list)
    image: str | None = None
    images: list[str] = Field(default_factory=list)


class PestDiseaseDetectionResponseData(SchemaModel):
    has_issue: bool
    category: Literal['no_issue', 'pest', 'disease', 'nutrient_stress', 'abiotic_stress', 'unknown'] | str
    confidence: float | None = None
    severity: Literal['low', 'medium', 'high'] | str
    summary: str
    detected_signs: list[str] = Field(default_factory=list)
    possible_causes: list[str] = Field(default_factory=list)
    immediate_actions: list[str] = Field(default_factory=list)
    reasoning: list[str] = Field(default_factory=list)
    farm_uuid: str | None = None
    knowledge_base: str | None = None
    tone_file: str | None = None
    raw_response: str | None = None


class PestDiseaseRiskRequest(SchemaModel):
    farm_uuid: UUID
    sensor_uuid: UUID | None = None
    plant_name: str | None = None
    growth_stage: str | None = None
    query: str | None = None


class RiskBlock(SchemaModel):
    score: float | None = None
    level: Literal['low', 'medium', 'high'] | str | None = None
    likely_conditions: list[str] = Field(default_factory=list)
    reasoning: list[str] = Field(default_factory=list)
    statsLabel: str | None = None


class PestDiseaseRiskResponseData(SchemaModel):
    summary: str
    forecast_window: str | None = None
    overall_risk: Literal['low', 'medium', 'high'] | str
    disease_risk: RiskBlock = Field(default_factory=RiskBlock)
    pest_risk: RiskBlock = Field(default_factory=RiskBlock)
    key_drivers: list[str] = Field(default_factory=list)
    recommended_actions: list[str] = Field(default_factory=list)
    farm_context: JsonObject = Field(default_factory=dict)
    farm_uuid: str | None = None
    knowledge_base: str | None = None
    tone_file: str | None = None
    raw_response: str | None = None


class PestDiseaseRiskSummaryRequest(SchemaModel):
    farm_uuid: UUID
    sensor_uuid: UUID | None = None


class PestDiseaseRiskSummaryDrivers(SchemaModel):
    keyDrivers: list[str] = Field(default_factory=list)
    summary: str | None = None
    forecastWindow: str | None = None
    source: str | None = None


class PestDiseaseRiskSummaryResponseData(SchemaModel):
    farm_uuid: str
    diseaseRisk: RiskBlock = Field(default_factory=RiskBlock)
    pestRisk: RiskBlock = Field(default_factory=RiskBlock)
    drivers: PestDiseaseRiskSummaryDrivers = Field(default_factory=PestDiseaseRiskSummaryDrivers)


class PestDiseaseDetectionResponse(ApiEnvelope[PestDiseaseDetectionResponseData]):
    pass


class PestDiseaseRiskResponse(ApiEnvelope[PestDiseaseRiskResponseData]):
    pass


class PestDiseaseRiskSummaryResponse(ApiEnvelope[PestDiseaseRiskSummaryResponseData]):
    pass


CONTRACTS = [
    RouteContract(
        method='POST',
        path='/api/pest-disease/detect/',
        request_model=PestDiseaseDetectionRequest.__name__,
        response_model=PestDiseaseDetectionResponse.__name__,
    ),
    RouteContract(
        method='POST',
        path='/api/pest-disease/risk/',
        request_model=PestDiseaseRiskRequest.__name__,
        response_model=PestDiseaseRiskResponse.__name__,
    ),
    RouteContract(
        method='POST',
        path='/api/pest-disease/risk-summary/',
        request_model=PestDiseaseRiskSummaryRequest.__name__,
        response_model=PestDiseaseRiskSummaryResponse.__name__,
    ),
]