from pathlib import Path

from pnp_lab.config import Settings
from pnp_lab.schemas import Claim, Frontier
from pnp_lab.state import StateStore


def settings_for(tmp_path: Path) -> Settings:
    s = Settings()
    s.persistent_root = tmp_path
    s.brain_dir = tmp_path / "brain"
    s.runtime_dir = tmp_path / "runtime"
    s.hf_token = ""
    s.ensure_dirs()
    return s


def test_state_round_trip_in_markdown(tmp_path):
    s = settings_for(tmp_path)
    store = StateStore(s)
    f = Frontier(id="F1", title="Frontier", question="Q?", why_high_leverage="why", smallest_prerequisite="p", kill_condition="k", success_condition="s")
    store.seed_frontier(f)
    c = Claim(id="C1", title="claim", statement="stmt", author="test")
    store.upsert_claim(c)
    assert store.path.suffix == ".md"
    assert "```json" in store.path.read_text(encoding="utf-8")
    reloaded = StateStore(s).snapshot()
    assert reloaded["current_frontier_id"] == "F1"
    assert reloaded["claims"]["C1"]["status"] == "CANDIDATE"