"""364-4 노선 추천 미리 셈 — B05 열 때 예약 · 겹쳐 셈 막음 · 모달 진행 표시.

    ./venv/Scripts/python.exe -m pytest resources/tester/test_364_4_precompute_on_open.py -q

옛 프로젝트 · 판이 바뀐 저장본은 사용자가 처음 누를 때 기다렸음(요구 239 · 토공 62.9 s).
`GET /route/plan`(B05 열기)이 미리 셈을 예약 · 도는 동안 또 오면 끝난 뒤 한 번 더 · 진행은
`GET /route/initial/progress` · 모달 상태줄이 그것을 붙임.
"""

import asyncio
from pathlib import Path
from uuid import uuid4

from B05_Profile import B05_Profile_Router_RouteInitial as router

ROOT = Path(__file__).resolve().parents[2]


def test_겹쳐_셈_막음_끝난_뒤_한_번_더(monkeypatch) -> None:
    calls: list[str] = []
    seen: list[dict] = []
    pid = uuid4()

    async def precompute(project_id):
        calls.append(str(project_id))
        progress = router._RUNNING[str(project_id)]
        progress.update(total=5, done=2, mode="earthwork")
        seen.append(router.precompute_progress(project_id))
        await asyncio.sleep(0.05)

    monkeypatch.setattr(router, "precompute_defaults", precompute)

    async def main() -> None:
        first = asyncio.create_task(router.run_precompute(pid))
        await asyncio.sleep(0.01)
        # 도는 중 두 번 더 와도 셈은 한 번 더만
        await router.run_precompute(pid)
        await router.run_precompute(pid)
        await first

    asyncio.run(main())
    assert calls == [str(pid), str(pid)]
    assert seen[0] == {"running": True, "done": 2, "total": 5, "mode": "earthwork"}
    assert router.precompute_progress(pid) == {
        "running": False,
        "done": 0,
        "total": 0,
        "mode": None,
    }


def test_실패해도_진행_비움(monkeypatch) -> None:
    async def broken(_pid):
        raise RuntimeError("셈 실패")

    monkeypatch.setattr(router, "precompute_defaults", broken)
    pid = uuid4()
    try:
        asyncio.run(router.run_precompute(pid))
    except RuntimeError:
        pass
    assert not router.precompute_progress(pid)["running"]


def test_b05_열기_예약_모달_진행_배선() -> None:
    replan = (ROOT / "B05_Profile/B05_Profile_Router_Replan.py").read_text(encoding="utf-8")
    plan = replan[replan.index("async def read_route_plan") :]
    assert "schedule_precompute(project_id)" in plan[: plan.index("\n@router")]
    source = (ROOT / "B05_Profile/B05_Profile_Router_RouteInitial.py").read_text(encoding="utf-8")
    assert '"/{project_id}/route/initial/progress"' in source
    # 체인 · B01 범위도 같은 한 줄(run_precompute)로
    assert "run_precompute(project_id), task_name" in source
    assert "await run_precompute(project_id)" in source
    api = (ROOT / "B05_Profile/B05_Profile_Api_RouteInitial.ts").read_text(encoding="utf-8")
    assert "/route/initial/progress" in api
    initial = (ROOT / "B05_Profile/B05_Profile_UI_RouteEdit_Initial.ts").read_text(encoding="utf-8")
    assert "progress: () => fetchPrecomputeProgress(projectId)" in initial
    modal = (ROOT / "B05_Profile/B05_Profile_UI_RouteEdit_Recommend.ts").read_text(encoding="utf-8")
    assert "미리 셈하는 중 ${p.done}/${p.total}" in modal


def test_모달이_여는_갈래_먼저(monkeypatch) -> None:
    """저장된 갈래(추적 아님)를 먼저 셈 — 모달이 열자마자 그 갈래를 물음."""
    from B05_Profile.B05_Profile_Engine_RouteInitial_Store import DEFAULT_MODES

    asked: list[str] = []

    async def paths(_pid):
        return (ROOT, None)

    async def compute(_pid, request):
        asked.append(request.mode)
        return {}

    monkeypatch.setattr(router.replan, "_project_paths", paths)
    monkeypatch.setattr(
        router,
        "read_initial_choice",
        lambda _root: {"logic": "gentle", "weights": None, "criteria": None},
    )
    monkeypatch.setattr(router, "compute_initial", compute)
    asyncio.run(router.precompute_defaults(uuid4()))
    assert asked[0] == "gentle" and asked[-1] == "follow"
    assert sorted(asked) == sorted(DEFAULT_MODES)