"""PLAN 302-2 인쇄 미리보기 도면 PDF — 목록 차례 · 쪽 수 · 쪽 크기 · 한글 · 숨긴 층 · 권한.

임시 폴더 견본만 씀(공용 storage 안 씀) — B07 목록 · 단건 · 표제란 값은 바꿔 끼움.
"""

from __future__ import annotations

import json
from pathlib import Path
from uuid import uuid4

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

from B07_DesignDetail.B07_DesignDetail_Engine_Template import (
    frame_entities,
    usable_bbox,
    use_project_templates,
    use_title_fields,
)
from B09_Estimation.draft import B09_Draft_Print_Drawings_Router as router_module
from B09_Estimation.draft import B09_Draft_Print_Drawings_Source as source
from B09_Estimation.draft.B09_Draft_Print_Drawings_Pdf import (
    PT_PER_MM,
    add_drawing_page,
    paint_color,
)
from common_util import common_util_auth as auth

TITLE = {"공사명": "가나다임도개설공사", "용역회사": "라마바설계"}


def _text(label: str, x: float, y: float, layer: str) -> dict:
    return {
        "id": str(uuid4()),
        "type": "Text",
        "lineColor": "#ffffff",
        "lineWidth": 1,
        "layerId": layer,
        "shapeData": {
            "basePoint": {"x": x, "y": y},
            "label": label,
            "options": {"fontSize": 10, "textAlign": "left", "textColor": "#ffffff"},
        },
    }


def _b07_drawing(drawing_id: str) -> dict:
    """도각(시스템 A1 · 표제란 = TITLE) + 보이는 글 + 숨긴 층 · 동결 층 글."""
    use_project_templates(None)
    use_title_fields(TITLE)
    entities = frame_entities(drawing_id, usable_bbox(), fit=False, fields={"도면명": "종단면도"})
    entities += [
        _text("보이는글", 200, 300, "draw"),
        _text("숨은글", 200, 320, "hidden"),
        _text("얼린글", 200, 340, "frozen"),
    ]
    layers = [
        {"id": "draw", "name": "그림", "isVisible": True, "isLocked": False},
        {"id": "hidden", "name": "숨김", "isVisible": False, "isLocked": False},
        {"id": "frozen", "name": "동결", "isVisible": True, "isLocked": False, "isFrozen": True},
    ]
    return {"format": "openwebcad", "entities": entities, "layers": layers}


def _structure_doc(number: str, more: list[str] = ()) -> dict:
    sheet = {
        "format": "openwebcad",
        "entities": [_text("구조물그림", 300, 300, "기본")],
        "layers": [],
    }
    return {
        "도번": number,
        "도면": sheet,
        "더한장": [{"장id": f"s{i}", "이름": name, "도면": sheet} for i, name in enumerate(more)],
    }


@pytest.fixture
def sample(tmp_path, monkeypatch):
    """B07 둘(종단 · 표지) + 구조물 사본 셋(SD-2 둘 = 한 번 · 더한장 하나 · SD-1 하나)."""
    from M02_MasterTemplete import M02_Item_Snapshot as snapshot

    base = tmp_path / "structures"
    copies = {
        "pipe@10__a": ("A", _structure_doc("SD-000002", ["상세"])),
        "pipe@20__b": ("B", _structure_doc("SD-000002", ["상세"])),
        "pipe@30__c": ("C", _structure_doc("SD-000001")),
    }
    linked = {}
    for owner, (folder, doc) in copies.items():
        (base / folder).mkdir(parents=True)
        (base / folder / "도면.json").write_text(json.dumps(doc, ensure_ascii=False), "utf-8")
        linked[owner] = {"항목": {"name": f"구조물{folder}"}, "폴더": folder, "부분": ["도면"]}
    monkeypatch.setattr(snapshot, "linked_snapshots", lambda root: linked)
    monkeypatch.setattr(snapshot, "structures_dir", lambda root: base)

    async def root(_pid):
        return tmp_path

    async def fields(_pid):
        return dict(TITLE)

    async def b07_list(_pid):
        return 7, [
            {
                "id": "longitudinal_1",
                "kind": "longitudinal",
                "label": "종단도(1)",
                "confirmed": True,
            },
            {"id": "cover", "kind": "cover", "label": "표지", "confirmed": False},
        ]

    async def b07_drawing(_pid, drawing_id):
        return {"drawing": _b07_drawing(drawing_id), "confirmed": True}

    monkeypatch.setattr(source, "project_root", root)
    monkeypatch.setattr(source, "title_fields", fields)
    monkeypatch.setattr(source, "b07_list", b07_list)
    monkeypatch.setattr(source, "b07_drawing", b07_drawing)
    return tmp_path


def _client(session: dict | None = None, project_company: int | None = None) -> TestClient:
    app = FastAPI()
    app.include_router(router_module.router)
    if session is not None:
        app.dependency_overrides[auth.verify_session] = lambda: session
    if project_company is None:
        app.dependency_overrides[auth.require_project_access] = lambda: session
    return TestClient(app)


SESSION = {"user_id": 1, "company_id": 1, "role": "USER", "is_master": False}


def test_paint_color_theme_짝():
    """openwebcad theme.ts paintColor(밝은 바탕) 손셈.

    자동색 검정 · 밝은 노랑 휘도 0.3 으로 · 어두운 색 그대로.
    """
    assert paint_color("#ffffff") == paint_color("#FFF") == paint_color("#f5f7fa") == (0, 0, 0)
    assert paint_color("#f6d55c") == (89 / 255, 77 / 255, 33 / 255)
    assert paint_color("#336699") == (0x33 / 255, 0x66 / 255, 0x99 / 255)


def test_목록_차례_B07_번호_다음_도번_한_번(sample):
    pid = uuid4()
    body = _client(SESSION).get(f"/api/projects/{pid}/print/drawings").json()
    assert [item["id"] for item in body] == [
        "b07:longitudinal_1",
        "b07:cover",
        "structure:SD-000001",
        "structure:SD-000002",
        "structure:SD-000002-2",
    ]
    assert [item["number"] for item in body][:2] == ["1", "2"]
    assert body[3]["label"] == "구조물A" and body[4]["label"] == "구조물A · 상세"
    assert {item["paper"] for item in body} == {"A1"}
    assert {item["source"] for item in body} == {"b07", "structure"}


def test_PDF_쪽수_크기_한글_숨긴층(sample):
    pid = uuid4()
    response = _client(SESSION).post(f"/api/projects/{pid}/print/drawings-pdf", json={})
    assert response.status_code == 200, response.text
    assert response.headers["content-type"] == "application/pdf"
    assert response.headers["x-aislo-pages"] == "5"
    assert json.loads(response.headers["x-aislo-skipped-images"]) == {}
    doc = pymupdf.open(stream=response.content, filetype="pdf")
    assert doc.page_count == 5
    for page in doc:
        assert abs(page.rect.width / PT_PER_MM - 840) < 0.5
        assert abs(page.rect.height / PT_PER_MM - 594) < 0.5
    first = doc[0].get_text()
    assert "가나다임도개설공사" in first and "라마바설계" in first  # 표제란 한글 그대로
    assert "보이는글" in first
    assert "숨은글" not in first and "얼린글" not in first
    # 구조물 장 = 얹은 도각 + 장 도번 · 표제란 = 프로젝트 값
    assert "구조물그림" in doc[2].get_text() and "SD-000001" in doc[2].get_text()
    assert "SD-000002-2" in doc[4].get_text() and "가나다임도개설공사" in doc[4].get_text()


def test_PDF_고른_차례_모르는_id(sample):
    pid = uuid4()
    client = _client(SESSION)
    picked = ["structure:SD-000001", "b07:cover"]
    response = client.post(f"/api/projects/{pid}/print/drawings-pdf", json={"ids": picked})
    doc = pymupdf.open(stream=response.content, filetype="pdf")
    assert doc.page_count == 2 and "구조물그림" in doc[0].get_text()
    bad = client.post(f"/api/projects/{pid}/print/drawings-pdf", json={"ids": ["b07:없음"]})
    assert bad.status_code == 400


class _FakePool:
    """require_project_access 가 읽는 프로젝트 회사 한 줄."""

    def __init__(self, company_id: int):
        self.row = (company_id,)

    def acquire(self):
        pool = self

        class _Cursor:
            async def __aenter__(self):
                return self

            async def __aexit__(self, *_):
                return False

            async def execute(self, *_):
                return None

            async def fetchone(self):
                return pool.row

        class _Connection:
            async def __aenter__(self):
                return self

            async def __aexit__(self, *_):
                return False

            def cursor(self):
                return _Cursor()

        return _Connection()


def test_로그인_회사_권한(sample, monkeypatch):
    pid = uuid4()
    path = f"/api/projects/{pid}/print/drawings"
    assert _client().get(path).status_code == 401  # 쿠키 없음
    no_company = {**SESSION, "company_id": None}
    assert _client(no_company, project_company=0).get(path).status_code == 403
    monkeypatch.setattr(auth, "get_db_pool", lambda: _FakePool(2))
    other = _client(SESSION, project_company=2)
    assert other.get(path).status_code == 403  # 남의 회사 프로젝트
    assert other.post(f"/api/projects/{pid}/print/drawings-pdf", json={}).status_code == 403
    monkeypatch.setattr(auth, "get_db_pool", lambda: _FakePool(1))
    assert _client(SESSION, project_company=1).get(path).status_code == 200


def test_그림_넣기_못_넣은_수():
    png = pymupdf.Pixmap(pymupdf.csRGB, pymupdf.IRect(0, 0, 4, 4), 0).tobytes("png")
    import base64

    def image(data: str) -> dict:
        points = [{"x": 10, "y": 10}, {"x": 50, "y": 10}, {"x": 50, "y": 50}, {"x": 10, "y": 50}]
        return {"type": "Image", "layerId": "a", "shapeData": {"points": points, "imageData": data}}

    drawing = {
        "entities": [
            image("data:image/png;base64," + base64.b64encode(png).decode()),
            image("/api/assets/없는그림.png"),
        ],
        "layers": [],
    }
    doc = pymupdf.open()
    paper, skipped = add_drawing_page(doc, drawing)
    assert skipped == 1 and len(doc[0].get_images()) == 1


def test_미확정_횡단_구조물_Node_번들이_돎():
    """서버 Node(화면 TS 그대로) — 번들 빌드 · 실행 · 배치 없는 장은 그대로."""
    entity = _text("서버그림", 0, 0, "draw")
    drawings = {"b07:cross_x": {"entities": [entity], "cross_placements": []}}
    assert source.place_structures({"cross_sections": []}, drawings) is True
    assert drawings["b07:cross_x"]["entities"] == [entity]
    assert Path(source.BUNDLE).is_file()