"""D 노선분석 GIS 겹 「다음」 묶음(PLAN 581-2) — 산림입지도 잘라 넓이 · 토양형 코드 차례
이름 없으면 글자 그대로 · 실패 = 오류(파일 안 씀) · 덮으면 다시 안 받음 · 화면 겹 정의 · 색 값.

./venv/Scripts/python.exe -m pytest resources/tester/test_581_2_plan_soils.py -q
"""

import json
import re
from pathlib import Path

import pytest

from common_util.common_util_crs import tm_to_lonlat
from D03_PlanAnalysis import D03_PlanAnalysis_Layers as layers

EPSG = 5186
BOX = (230000.0, 450000.0, 232000.0, 451000.0)  # 2 × 1 km
ROOT = Path(__file__).resolve().parents[2]


def _square(x0: float, y0: float, side: float) -> dict:
    ring = [(x0, y0), (x0 + side, y0), (x0 + side, y0 + side), (x0, y0 + side), (x0, y0)]
    return {"type": "Polygon", "coordinates": [[list(tm_to_lonlat(x, y, EPSG)) for x, y in ring]]}


def _soil(gid: str, geometry: dict, cd: str, code: str, name: str | None) -> dict:
    props = {"sltp_cd": cd, "toyanghyun": code, **({"name": name} if name else {})}
    return {"id": gid, "geometry": geometry, "properties": props}


def test_clip_soils_area_order_names() -> None:
    found = [
        _soil("a", _square(230100.0, 450100.0, 100.0), "03", "B₃", "갈색적윤산림토양"),
        _soil("b", _square(231800.0, 450800.0, 400.0), "01", "B₁", "갈색건조산림토양"),  # 귀퉁이
        _soil("b", _square(231800.0, 450800.0, 400.0), "01", "B₁", "갈색건조산림토양"),  # 겹침
        _soil("c", _square(230500.0, 450500.0, 100.0), "03", "B₃", "갈색적윤산림토양"),
        _soil("d", _square(230800.0, 450100.0, 50.0), "99", "Xx", None),  # 모르는 값
        _soil("e", _square(240000.0, 460000.0, 100.0), "02", "B₂", "갈색약건산림토양"),  # 밖
    ]
    features, summary = layers.clip_soils(found, BOX, EPSG)
    assert [row["code"] for row in summary] == ["B₁", "B₃", "Xx"]
    assert summary[0]["area_m2"] == pytest.approx(200 * 200, rel=0.01)
    assert summary[1] == {
        "code": "B₃",
        "name": "갈색적윤산림토양",
        "count": 2,
        "area_m2": pytest.approx(2 * 100 * 100, rel=0.01),
    }
    assert summary[2]["name"] == "Xx"  # 이름 없으면 글자 그대로
    assert len(features) == 4
    assert {f["properties"]["code"] for f in features} == {"B₁", "B₃", "Xx"}


class FakeWfs:
    def __init__(self, fail: bool = False) -> None:
        self.fail, self.calls = fail, []

    def __call__(self, typename, filename, bounds, output_dir) -> None:
        self.calls.append(typename)
        if self.fail:
            return
        feats = [_soil("a", _square(230500.0, 450200.0, 300.0), "01", "B₁", "갈색건조산림토양")]
        body = {"type": "FeatureCollection", "features": feats}
        (Path(output_dir) / filename).write_text(json.dumps(body), "utf-8")


def test_soils_fetch_once(tmp_path, monkeypatch) -> None:
    fake = FakeWfs()
    monkeypatch.setattr(layers, "request_vworld_wfs", fake)
    got = layers.ensure_soils(tmp_path, BOX, EPSG)
    assert got["fetched"] and fake.calls == [layers.SOIL_TYPENAME]
    saved = json.loads((tmp_path / layers.SOIL_FILE).read_text("utf-8"))
    assert saved["summary"][0]["count"] == 1 and len(saved["features"]) == 1
    inner = (230500.0, 450100.0, 231000.0, 450900.0)
    assert not layers.ensure_soils(tmp_path, inner, EPSG)["fetched"]  # 덮으면 다시 안 받음
    assert len(fake.calls) == 1
    assert layers.ensure_soils(tmp_path, (229000.0, *BOX[1:]), EPSG)["fetched"]  # 넓어지면 다시


def test_soils_fail_raises(tmp_path, monkeypatch) -> None:
    monkeypatch.setattr(layers, "request_vworld_wfs", FakeWfs(fail=True))
    with pytest.raises(RuntimeError):
        layers.ensure_soils(tmp_path, BOX, EPSG)
    assert not (tmp_path / layers.SOIL_FILE).exists()


def test_screen_def_and_colors() -> None:
    defs = (ROOT / "A00_Common" / "map" / "map_layer_list.ts").read_text("utf-8")  # 624-2
    # 634-2 표 한 줄 = row(열쇠, 아이콘, 호버제목, 묶음[, true]) · true 없음 = 처음 끔
    entry = re.search(r'row\("soils", "(\w+)", "[^"]+", (?:"\w+"|null)(, true)?\)', defs)
    assert entry and not entry.group(2)  # 처음 값 끔
    icons = (ROOT / "ui_template" / "ui_template_icons.ts").read_text("utf-8")
    assert re.search(rf"^\s+{entry.group(1)}:", icons, re.M)
    theme = (ROOT / "ui_template" / "ui_template_theme.css").read_text("utf-8")
    assert all(f"--draw-map-soil-{n}:" in theme for n in range(1, 7))
    page = (ROOT / "D03_PlanAnalysis" / "D03_PlanAnalysis_UI_LayerPaint.ts").read_text(
        "utf-8"
    )  # 586-2
    assert "if (!on.soils || !data.soils) return;" in page
    assert page.count("base: true,") == page.count("draw: (context, map) =>")  # 겹 모두 바탕(582)