import os
from fastapi.testclient import TestClient

def _client(monkeypatch):
    monkeypatch.setenv("INTERNAL_API_KEY", "SECRET")
    import importlib
    from app import auth as _a
    importlib.reload(_a)  # env 반영
    from app.main import app
    return TestClient(app)

def test_targets_requires_key(monkeypatch):
    c = _client(monkeypatch)
    # 헤더 없음 — FastAPI Header(...)는 dependency 실행 전 자체 검증하므로 422.
    # image-lab/tests/test_internal_router.py의 동일 패턴과 일치(sibling 서비스 선례).
    assert c.get("/api/internal/realestate/targets").status_code in (401, 422)
    assert c.get("/api/internal/realestate/targets",
                 headers={"X-Internal-Key": "WRONG"}).status_code == 401

def test_targets_returns_dongs_with_cortar(monkeypatch):
    c = _client(monkeypatch)
    r = c.get("/api/internal/realestate/targets", headers={"X-Internal-Key": "SECRET"})
    assert r.status_code == 200
    body = r.json()
    dongs = {d["dong"]: d["cortar_no"] for d in body["dongs"]}
    assert dongs.get("신대방동") == "1159010100"     # criteria seed 6동 + cortar join
    assert "전세" in body["deal_types"]
    assert isinstance(body["page_limit"], int)