"""M02 시스템 층 저장소·길 — 새로·저장·다시 열기·지우기·409 (사본 폴더로)."""

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

from M02_MasterTemplete import M02_MasterTemplete_Store as store
from M02_MasterTemplete import M02_Template_Layers as layers
from M02_MasterTemplete.M02_MasterTemplete_Router import router


@pytest.fixture()
def client(tmp_path, monkeypatch):
    for kind in store.KINDS:
        (tmp_path / kind).mkdir()
    monkeypatch.setattr(store, "FOLDER", tmp_path)
    app = FastAPI()
    app.include_router(router)
    return TestClient(app)


def test_new_save_reopen_delete_and_stale(client):
    assert client.get("/api/m02/templates").json() == []

    made = client.put("/api/m02/templates/table/집계표", json={"판": "", "문서": {"열": [1]}})
    assert made.status_code == 200
    v1 = made.json()["판"]
    assert (
        client.put(
            "/api/m02/templates/table/집계표", json={"판": "", "문서": {"열": []}}
        ).status_code
        == 409
    )

    got = client.get("/api/m02/templates/table/집계표").json()
    assert got["판"] == v1 and got["문서"] == {"열": [1]}

    saved = client.put("/api/m02/templates/table/집계표", json={"판": v1, "문서": {"열": [1, 2]}})
    assert saved.status_code == 200 and saved.json()["판"] != v1
    stale = client.put("/api/m02/templates/table/집계표", json={"판": v1, "문서": {"열": []}})
    assert stale.status_code == 409 and stale.json()["detail"]["stale"] == ["집계표"]

    rows = client.get("/api/m02/templates").json()
    assert [(r["종류"], r["이름"]) for r in rows] == [("table", "집계표")]

    assert client.delete("/api/m02/templates/table/집계표").status_code == 200
    assert client.get("/api/m02/templates/table/집계표").status_code == 404


def test_bad_names_and_kinds(client):
    for bad in ("a..b", ".숨김", "a%5Cb", "a%3Ab", "_밑줄", "가" * 81):
        got = client.put(f"/api/m02/templates/table/{bad}", json={"판": "", "문서": {"열": []}})
        assert got.status_code == 400 and "쓸 수 없는" in got.json()["detail"]
    assert client.put("/api/m02/templates/other/x", json={"판": "", "문서": {}}).status_code == 404
    edge = "가" * 80  # 80자는 됨
    assert (
        client.put(
            f"/api/m02/templates/table/{edge}", json={"판": "", "문서": {"열": []}}
        ).status_code
        == 200
    )


def test_copy_is_independent_and_seeds_new_project(client, tmp_path, monkeypatch):
    """본떠 만들기 = 읽어 새 이름으로 새로 저장 — 원본은 안 바뀜 · 새 프로젝트 복사에 실림."""
    doc = {"format": 6, "entities": [{"type": "line"}], "drawing_area": [1, 2, 3, 4]}
    client.put("/api/m02/templates/drawing/원본", json={"판": "", "문서": doc})
    got = client.get("/api/m02/templates/drawing/원본").json()
    made = client.put("/api/m02/templates/drawing/복사", json={"판": "", "문서": got["문서"]})
    assert made.status_code == 200
    assert (
        client.put("/api/m02/templates/drawing/복사", json={"판": "", "문서": doc}).status_code
        == 409
    )
    copy = client.get("/api/m02/templates/drawing/복사").json()
    assert copy["문서"] == doc and copy["판"] == got["판"]  # 내용 같음
    client.put(
        "/api/m02/templates/drawing/복사",
        json={"판": copy["판"], "문서": {**doc, "entities": [{"type": "line"}, {"type": "arc"}]}},
    )
    assert client.get("/api/m02/templates/drawing/원본").json()["문서"] == doc  # 원본 그대로
    monkeypatch.setattr(layers, "SYSTEM_ROOT", tmp_path)
    copied = layers.seed_project(tmp_path / "seed")
    assert {"drawing/원본", "drawing/복사"} <= set(copied["작업본"])
    client.delete("/api/m02/templates/drawing/복사")
    assert [r["이름"] for r in client.get("/api/m02/templates").json()] == ["원본"]


def test_empty_doc_rejected_and_file_untouched(client):
    good = {"format": 6, "entities": [{"type": "line"}]}
    made = client.put("/api/m02/templates/drawing/도", json={"판": "", "문서": good})
    v = made.json()["판"]
    for bad in ({}, {"format": 6}, {"entities": "x"}, []):
        r = client.put("/api/m02/templates/drawing/도", json={"판": v, "문서": bad})
        assert r.status_code == 400
    assert client.put("/api/m02/templates/table/표", json={"판": "", "문서": {}}).status_code == 400
    assert client.get("/api/m02/templates/drawing/도").json()["문서"] == good
    assert client.get("/api/m02/templates/table/표").status_code == 404