import json
import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
SRC_DIR = ROOT / "src"
if str(SRC_DIR) not in sys.path:
    sys.path.insert(0, str(SRC_DIR))

import renunney.track1_api as api


def test_run_config_simulate_mode_returns_contract():
    config = api.Track1RunConfig(mode="simulate", K=5000, N0=20, n=1, u=5e-6, R=10.0, T=20, seed=1)
    payload = api.run_config(config)
    assert payload["mode"] == "simulate"
    assert payload["parameters"]["u"] == 5e-6
    assert payload["parameters"]["M"] == 0.05
    assert "final_summary" in payload
    assert "tracking_summary" in payload


def test_config_roundtrip_from_mapping_and_file(tmp_path: Path):
    raw = {
        "mode": "search",
        "K": 5000,
        "N0": 20,
        "n": 1,
        "u": 5e-6,
        "R": 10.0,
        "T": 20,
        "runs": 1,
        "jobs": 1,
        "t_values": [5, 10],
    }
    cfg = api.config_from_mapping(raw)
    path = tmp_path / "track1.json"
    path.write_text(json.dumps(raw), encoding="utf-8")
    loaded = api.load_config(path)
    assert loaded == cfg