import os, sys, tempfile

# _shared lives in web-backend/_shared; add the parent dir so it can be found
sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", ".."))

from fastapi.testclient import TestClient

def _client(monkeypatch):
    tmp = tempfile.mkdtemp()
    from app import db
    monkeypatch.setattr(db, "DB_PATH", os.path.join(tmp, "lotto.db"))
    db.init_db()
    from app.main import app
    return TestClient(app), db

def test_backtest_endpoints(monkeypatch):
    client, db = _client(monkeypatch)
    r = client.get("/api/lotto/backtest/track-record")
    assert r.status_code == 200
    assert "by_strategy" in r.json()
    r2 = client.get("/api/lotto/backtest/calibration?weeks=4")
    assert r2.status_code == 200
    assert isinstance(r2.json().get("history"), list)