"""기업 펀더멘털 (시총/PER/PBR/EPS/BPS/배당) API.

pykrx 한 번 호출 = 종목당 ~1~2초. 인메모리 daily 캐시(get_fundamentals) 가 처리.
SkippedMissingKey 같은 거 없음 — pykrx 는 무인증 KRX 스크래핑.
"""
from __future__ import annotations

from datetime import date

from fastapi import APIRouter, HTTPException
from sqlalchemy import text

from app.db.connection import get_engine
from app.fetch.fundamentals import get_fundamentals

router = APIRouter(prefix="/api/fundamentals", tags=["fundamentals"])


@router.get("/{code}")
def code_fundamentals(code: str) -> dict:
    """code 의 최신 영업일 fundamentals 스냅샷."""
    eng = get_engine()
    with eng.connect() as conn:
        sym = conn.execute(
            text("SELECT code, name, market FROM symbols WHERE code = :c"),
            {"c": code},
        ).first()
    if not sym:
        raise HTTPException(status_code=404, detail=f"unknown code: {code}")

    f = get_fundamentals(code)
    if f is None:
        return {
            "code": sym[0],
            "name": sym[1],
            "market": sym[2],
            "status": "no_data",
            "snapshot_date": None,
            "market_cap": None,
            "shares_outstanding": None,
            "per": None,
            "pbr": None,
            "eps": None,
            "bps": None,
            "div": None,
            "dvd_yield": None,
        }

    return {
        "code": sym[0],
        "name": sym[1],
        "market": sym[2],
        "status": "ok",
        "snapshot_date": f.snapshot_date.isoformat(),
        "market_cap": f.market_cap,
        "shares_outstanding": f.shares_outstanding,
        "per": f.per,
        "pbr": f.pbr,
        "eps": f.eps,
        "bps": f.bps,
        "div": f.div,
        "dvd_yield": f.dvd_yield,
    }