"""F — 산출근거 저장(basis 종류) · 옛 산출근거 옮김 · [저장] 때 서버 계산값.

서버 Node 풀이는 `test_spreadsheet_node.py` 가 따로 봄 — 여기는 `with_server_values` 를 바꿔 끼워
「브라우저 값은 버리고 서버 값만 적는다」 · 「못 풀면 저장을 막는다」 만 잼.
"""

import json
import shutil

import pytest
from fastapi import FastAPI
from fastapi.testclient import TestClient

from common_util import common_util_spreadsheet as spreadsheet
from M02_MasterTemplete import M02_MasterTemplete_Router as router_module
from M02_MasterTemplete import M02_MasterTemplete_Store as store
from M02_MasterTemplete import M02_Template_Layers as layers

REAL = store.FOLDER
SERVER = {"s1": {"A1": {"수": "42"}}}


@pytest.fixture()
def client(tmp_path, monkeypatch):
    for kind in store.KINDS:
        (tmp_path / kind).mkdir()
    shutil.copy(REAL / "table/구조물집계표.json", tmp_path / "table")
    monkeypatch.setattr(store, "FOLDER", tmp_path)

    def fake(book):
        clean = {k: v for k, v in book.items() if k != "계산값"}
        return {**clean, "계산값": SERVER}

    monkeypatch.setattr(spreadsheet, "with_server_values", fake)
    app = FastAPI()
    app.include_router(router_module.router)
    return TestClient(app)


def _old_structure(folder, column, basis):
    doc = {"양식": "구조물도면", "종류": "structure", "판": 1, "열": column, "도번": "구-01"}
    doc.update({"도면": {"format": 6, "entities": []}, "산출근거": basis})
    (folder / "structure" / f"{column}.json").write_text(
        json.dumps(doc, ensure_ascii=False), encoding="utf-8"
    )


def test_옛_산출근거를_따로_파일로_옮김(client, tmp_path):
    old = {
        "열": [
            {"id": "work", "머리": ["공종"]},
            {"id": "detail", "머리": ["산출", "내역"]},
            {"id": "qty", "머리": ["수량(m당)"]},
        ],
        "줄": [{"id": "1", "값": {"work": "터파기", "qty": 1.5}}, {"id": "2", "값": {}}],
        "보기": {"열너비": {"detail": 210}},
    }
    _old_structure(tmp_path, "pp_len", old)
    done = store.migrate_basis()
    assert done["옮김"] == ["pp_len"]
    columns = store._column_ids()
    assert set(done["새로"]) == set(columns) - {"pp_len"}
    structure = json.loads((tmp_path / "structure/pp_len.json").read_text(encoding="utf-8"))
    assert "산출근거" not in structure and structure["도번"] == "구-01"
    basis = store.read("basis", "pp_len")["문서"]
    sheet = basis["시트"][0]
    assert (basis["종류"], basis["열"], sheet["id"]) == ("통합문서", "pp_len", "s1")
    assert sheet["칸"] == {
        "A1": {"값": "공종", "서식": 1},
        "B1": {"값": "산출 내역", "서식": 1},
        "C1": {"값": "수량(m당)", "서식": 1},
        "A2": {"값": "터파기"},
        "C2": {"값": 1.5},
    }
    assert sheet["열"] == {"B": {"폭": 30.0}}
    assert "계산값" not in basis  # 식 없는 새 문서 — 첫 [저장] 때 서버가 적음
    # 두 번 돌려도 같음
    before = {p.name: p.read_bytes() for p in (tmp_path / "basis").iterdir()}
    assert store.migrate_basis() == {"옮김": [], "새로": []}
    assert before == {p.name: p.read_bytes() for p in (tmp_path / "basis").iterdir()}


def test_새_구조물_도면은_산출근거_따로(client):
    made = client.post("/api/m02/structures/rv").json()["문서"]
    assert "산출근거" not in made
    basis = client.get("/api/m02/templates/basis/rv").json()["문서"]
    heads = [basis["시트"][0]["칸"][f"{c}1"]["값"] for c in "ABCDE"]
    assert heads == ["공종", "규격", "산출 내역", "단위", "수량(m당)"]


def test_표번은_도번과_같은_규칙(client):
    made1 = client.post("/api/m02/structures/rv").json()["문서"]
    made2 = client.post("/api/m02/structures/pv_b").json()["문서"]
    assert made1["도번"] == "구-01" and made2["도번"] == "구-02"
    basis1 = client.get("/api/m02/templates/basis/rv").json()["문서"]
    basis2 = client.get("/api/m02/templates/basis/pv_b").json()["문서"]
    assert basis1["표번"] == "표-01" and basis2["표번"] == "표-02"
    numbers = client.get("/api/m02/basis/numbers").json()
    assert numbers["rv"] == "표-01" and numbers["pv_b"] == "표-02"


def test_표번_없는_옛_파일은_만나면_채움(client, tmp_path):
    store.ensure_basis("rv")
    doc = store.read("basis", "rv")["문서"]
    del doc["표번"]
    (tmp_path / "basis" / "rv.json").write_text(
        json.dumps(doc, ensure_ascii=False), encoding="utf-8"
    )
    numbers = client.get("/api/m02/basis/numbers").json()
    assert numbers["rv"] == "표-01"
    assert store.read("basis", "rv")["문서"]["표번"] == "표-01"  # 한 번 채우면 파일에 남음


def test_저장은_서버_계산값만_적음(client):
    store.ensure_basis("rv")
    got = client.get("/api/m02/templates/basis/rv").json()
    doc = {**got["문서"], "계산값": {"s1": {"A1": {"수": "브라우저"}}}}
    saved = client.put("/api/m02/templates/basis/rv", json={"판": got["판"], "문서": doc})
    assert saved.status_code == 200
    assert client.get("/api/m02/templates/basis/rv").json()["문서"]["계산값"] == SERVER
    # 뼈대 없는 문서 · 판이 다르면 막음
    bad = client.put("/api/m02/templates/basis/rv", json={"판": saved.json()["판"], "문서": {}})
    assert bad.status_code == 400
    stale = client.put("/api/m02/templates/basis/rv", json={"판": got["판"], "문서": doc})
    assert stale.status_code == 409


def test_못_풀면_저장을_막음(client, monkeypatch):
    store.ensure_basis("rv")
    got = client.get("/api/m02/templates/basis/rv").json()

    def broken(_book):
        raise spreadsheet.RecalcError("스프레드시트 계산 실패 — 시험")

    monkeypatch.setattr(spreadsheet, "with_server_values", broken)
    r = client.put("/api/m02/templates/basis/rv", json={"판": got["판"], "문서": got["문서"]})
    assert r.status_code == 503
    assert client.get("/api/m02/templates/basis/rv").json()["판"] == got["판"]


def test_층_규칙과_프로젝트_복사(client, tmp_path, monkeypatch):
    store.ensure_basis("rv")
    doc = store.read("basis", "rv")["문서"]
    layers.check_skeleton("basis", doc)
    for bad in ({}, {**doc, "시트": {}}):
        with pytest.raises(ValueError):
            layers.check_skeleton("basis", bad)
    layers.check_skeleton("structure", {"도면": {"entities": []}})  # 산출근거 없어도 됨
    monkeypatch.setattr(layers, "SYSTEM_ROOT", tmp_path)
    copied = layers.seed_project(tmp_path / "project")
    assert "basis/rv" in copied["작업본"] and "basis/rv" in copied["초기"]