from fastapi import APIRouter, HTTPException
from pydantic import BaseModel
from typing import Any, Dict, List

from app.services.cameroon_data import get_cameroon_data


router = APIRouter()


class SimilarCasesRequest(BaseModel):
    query_text: str
    top_k: int = 10


@router.get("/stats/overview")
def stats_overview() -> Dict[str, Any]:
    data = get_cameroon_data()
    return data.stats_overview()


@router.get("/stats/diseases/{disease_name}")
def stats_disease(disease_name: str) -> Dict[str, Any]:
    data = get_cameroon_data()
    return data.stats_disease(disease_name)


@router.post("/search/similar-cases")
def search_similar_cases(req: SimilarCasesRequest) -> Dict[str, Any]:
    data = get_cameroon_data()
    results = data.search_similar_cases(req.query_text, top_k=req.top_k)
    return {
        "similar_cases": [
            {
                "summary_id": r.summary_id,
                "diagnosis": r.diagnosis,
                "age": r.age,
                "gender": r.gender,
                "summary_snippet": r.summary_snippet,
                "similarity_score": r.similarity_score,
            }
            for r in results
        ]
    }


@router.get("/patterns/seasonal")
def patterns_seasonal() -> Dict[str, Any]:
    data = get_cameroon_data()
    return data.seasonal_patterns()


@router.get("/patterns/age-gender")
def patterns_age_gender() -> Dict[str, Any]:
    data = get_cameroon_data()
    return data.age_gender_distribution()