"""345-5 · 349-0 노선 편집 평면 처음 그림 · [맞춤] = 등고 영역 맞춤 · 뜬 종단 판은 덮이기만.

349-0(요구 234) — 판이 올라와도 다시 맞추지 않음 · 글판 · 잰 값 창 · 곡선 바는 판 따라 안 옮김 ·
처음 그림은 판이 없다고 보고 칸 전체 기준으로 등고 영역(등고선 범위 ∪ 노선)을 둘레 여유 두고 맞춤.
`logic/B05_Profile_RouteEdit_Fit.ts` 를 tsc 로 옮겨 node 로 돌림 · 배선 · CSS 는 글로 봄.
./venv/Scripts/python.exe -m pytest resources/tester/test_345_5b_plan_visible_area.py -q
"""

from __future__ import annotations

import json
import subprocess
from pathlib import Path

import pytest

ROOT = Path(__file__).resolve().parents[2]
B05 = ROOT / "B05_Profile"
TS_FILE = B05 / "logic" / "B05_Profile_RouteEdit_Fit.ts"
TSC = ROOT / "config" / "node_modules" / "typescript" / "bin" / "tsc"

# 칸 1200 × 900 px · 배율 1 도엽 사각형 1125 × 900(가로 37.5 px 여백)
_RUNNER = """
import { writeFileSync } from "node:fs";
import { AREA_FILL, fitAreaToView, unionArea } from "./B05_Profile/logic/B05_Profile_RouteEdit_Fit.js";
const mapRect = { x: 37.5, y: 0, width: 1125, height: 900 };
const at = (area) =>
  fitAreaToView({ mapRect, width: 1200, height: 900, area, minScale: 0.5, maxScale: 16 });
const contours = [
  { minX: 0.2, minY: 0.3, maxX: 0.5, maxY: 0.6, labelText: null },
  { minX: 0.4, minY: 0.2, maxX: 0.6, maxY: 0.5, labelText: null },
];
const route = { minX: 0.3, minY: 0.35, maxX: 0.65, maxY: 0.45 };
writeFileSync(process.argv[2], JSON.stringify({
  fill: AREA_FILL,
  union: unionArea([route, null, ...contours]),
  none: unionArea([null]),
  whole: at({ minX: 0, minY: 0, maxX: 1, maxY: 1 }),
  part: at(unionArea([route, ...contours])),
  dot: at({ minX: 0.5, minY: 0.5, maxX: 0.5, maxY: 0.5 }),
}));
"""


def _run(tmp_path: Path) -> dict:
    out = tmp_path / "js"
    subprocess.run(  # noqa: S603 — 고정 실행 파일
        [
            "node",
            str(TSC),
            str(TS_FILE),
            "--outDir",
            str(out),
            "--rootDir",
            str(ROOT),
            "--module",
            "esnext",
            "--target",
            "es2022",
            "--moduleResolution",
            "bundler",
            "--ignoreConfig",
        ],
        cwd=str(ROOT),
        check=True,
        capture_output=True,
    )
    (out / "runner.mjs").write_text(_RUNNER, encoding="utf-8")
    result = tmp_path / "out.json"
    subprocess.run(  # noqa: S603
        ["node", str(out / "runner.mjs"), str(result)],
        cwd=str(ROOT),
        check=True,
        capture_output=True,
    )
    return json.loads(result.read_text(encoding="utf-8"))


def _screen(fit: dict, nx: float, ny: float) -> tuple[float, float]:
    """정규화 자리의 화면 자리 — B04 `affineOf` 와 같은 식."""
    s = fit["scale"]
    x = 37.5 * s + 600 * (1 - s) + fit["offsetX"] + nx * 1125 * s
    y = 0 * s + 450 * (1 - s) + fit["offsetY"] + ny * 900 * s
    return x, y


@pytest.mark.skipif(not TSC.is_file(), reason="프론트엔드 의존성 미설치")
def test_처음_그림은_등고_영역_맞춤(tmp_path: Path) -> None:
    out = _run(tmp_path)
    assert 0.7 <= out["fill"] < 1  # 꽉 차지 않게 · 둘레 여유
    # 등고선 범위 ∪ 노선 · 빈 목록은 없음
    assert out["union"] == {"minX": 0.2, "minY": 0.2, "maxX": 0.65, "maxY": 0.6}
    assert out["none"] is None
    # 도엽 전체 = 칸 가운데 · 짧은 쪽(세로)이 fill 몫
    whole = out["whole"]
    assert whole["scale"] == pytest.approx(out["fill"])
    assert _screen(whole, 0.5, 0.5) == pytest.approx((600, 450))
    # 일부 영역 = 그 가운데가 칸 가운데 · 네 모서리 모두 칸 안(둘레 여유)
    part = out["part"]
    assert _screen(part, 0.425, 0.4) == pytest.approx((600, 450))
    x0, y0 = _screen(part, 0.2, 0.2)
    x1, y1 = _screen(part, 0.65, 0.6)
    assert x0 > 0 and y0 > 0 and x1 < 1200 and y1 < 900
    assert max((x1 - x0) / 1200, (y1 - y0) / 900) == pytest.approx(out["fill"])
    # 한 점 = 배율 상한에서 멈춤
    assert out["dot"]["scale"] == 16


def test_판은_덮이기만_따라_안_옮김() -> None:
    """뜬 종단 판이 올라와도 평면 자리 · 글판 · 잰 값 창 · 곡선 바 그대로(349-0)."""
    assert not (B05 / "B05_Profile_UI_RouteEdit_Cover.ts").exists()
    assert not (B05 / "logic" / "B05_Profile_RouteEdit_Visible.ts").exists()
    view = (B05 / "B05_Profile_UI_RouteEdit_View.ts").read_text(encoding="utf-8")
    assert "coveredPx" not in view and "watchCover" not in view
    css = (B05 / "B05_Profile_UI_Style_RouteEdit.css").read_text(encoding="utf-8")
    assert "--b05-routeedit-cover" not in css
    bar = (B05 / "B05_Profile_UI_RouteEdit_CurveBar.ts").read_text(encoding="utf-8")
    assert "bottom: rect.bottom - 8," in bar
    assert "coveredPx" not in bar and "onCoverChange" not in bar
    # 칸 크기가 바뀌어도 보던 가운데 · 배율 유지(다시 맞추지 않음)
    editor = (B05 / "B05_Profile_UI_RouteEdit.ts").read_text(encoding="utf-8")
    assert "if (meta && kept) view = { ...view, ...restoreSavedView(meta, view, kept) };" in editor
    # 접힌 판은 높이 0
    style = (B05 / "B05_Profile_UI_Style.css").read_text(encoding="utf-8")
    assert ".b05-route-profile.is-collapsed {\n  height: 0;" in style


def test_처음_열기와_맞춤_단추_같은_셈() -> None:
    view = (B05 / "B05_Profile_UI_RouteEdit_View.ts").read_text(encoding="utf-8")
    assert "return { view: fitView(meta, view, nodes, contours), rotationRad: 0 };" in view
    assert "unionArea([route, ...(contours?.features ?? [])])" in view
    chrome = (B05 / "B05_Profile_UI_RouteEdit_Chrome.ts").read_text(encoding="utf-8")
    assert 'data-act="fit"' in chrome and ">맞춤</button>" in chrome
    editor = (B05 / "B05_Profile_UI_RouteEdit.ts").read_text(encoding="utf-8")
    assert "openingView(projectId, meta, view, planned, contours?.layer ?? null)" in editor
    at = editor.index("""overlay.querySelector('[data-act="fit"]')!""")
    handler = editor[at : at + 260]
    assert "view = fitView(meta, view, planned, contours?.layer ?? null);" in handler
    assert "rotation.set(0);" in handler
    assert len(editor.splitlines()) <= 700