/* 계획노선 편집 창 **초기노선 갈래**(계획서 20) 셈 단위검증 헬퍼 —
 * `B05_Profile_UI_RouteEdit_Initial_Model.ts` 를 그 자리에서 트랜스파일해 Node 로 돌린다.
 *
 * ⚠ 확장자가 `.cjs` 인 까닭은 `helper_b05_cut_merged_loop.cjs` 머리에 적힌 것과 같다.
 * 브라우저 전용인 저장소는 가짜로 채운다 — 셈만 본다.
 */
const fs = require("fs");
const path = require("path");
const ts = require(path.join(__dirname, "..", "..", "config", "node_modules", "typescript"));

const ROOT = path.join(__dirname, "..", "..");
const cache = new Map();

function memoryStorage() {
  const map = new Map();
  return {
    getItem: (key) => (map.has(key) ? map.get(key) : null),
    setItem: (key, value) => map.set(key, String(value)),
    removeItem: (key) => map.delete(key),
    key: (index) => [...map.keys()][index] ?? null,
    get length() {
      return map.size;
    },
    _map: map,
  };
}
const session = memoryStorage();
globalThis.window = { localStorage: memoryStorage(), sessionStorage: session };
globalThis.fetch = () => Promise.resolve({ ok: false });

const STUBS = { "@ui/ui_template_palette": { themeColor: (_name, fallback) => fallback } };

function loadTs(file) {
  const full = path.resolve(file);
  if (cache.has(full)) return cache.get(full);
  const js = ts.transpileModule(fs.readFileSync(full, "utf8"), {
    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 },
  }).outputText;
  const box = { exports: {} };
  cache.set(full, box.exports);
  const localRequire = (request) => {
    if (STUBS[request]) return STUBS[request];
    if (request.startsWith(".")) return loadTs(path.join(path.dirname(full), `${request}.ts`));
    return require(request);
  };
  new Function("exports", "module", "require", js)(box.exports, box, localRequire);
  cache.set(full, box.exports);
  return box.exports;
}

const model = loadTs(path.join(ROOT, "B05_Profile", "B05_Profile_UI_RouteEdit_Initial_Model.ts"));
const { DEFAULT_WEIGHTS } = model;

// ① 비중 맞추기 — 하나를 옮기면 나머지 둘이 비율대로 나눠 합 100.
const moves = [
  model.rebalanceWeights(DEFAULT_WEIGHTS, "expected", 70),
  model.rebalanceWeights(DEFAULT_WEIGHTS, "earthwork", 40),
  model.rebalanceWeights({ expected: 100, earthwork: 0, grade: 0 }, "expected", 60),
  model.rebalanceWeights({ expected: 20, earthwork: 30, grade: 50 }, "grade", 100),
  model.rebalanceWeights({ expected: 33, earthwork: 33, grade: 34 }, "earthwork", 33.4),
  model.rebalanceWeights(DEFAULT_WEIGHTS, "grade", -5),
];

// ② 서버 답 펴기 — 노드 목록 꼴과 `/route/plan` 꼴(노드+곡선) 둘 다.
const plainResponse = {
  nodes: [
    { x: 0, y: 0 },
    { x: 50, y: 10, curve: true, radius_m: 30 },
    { x: 100, y: 0, curve: false },
  ],
  // 계획서 20 「API」 줄 모양.
  metrics: {
    length_m: 1234.56,
    max_grade_pct: 12.34,
    avg_grade_pct: 6.1,
    cut_m3: 1500.4,
    fill_m3: 900,
    over_limit: { grade: 1, radius: 0, stream: 1, total: 2 },
    offset_avg_m: 3.25,
    offset_max_m: 9.8,
    raw_max_grade_pct: 41.2,
    violations: [
      {
        kind: "grade",
        from_m: 180,
        to_m: 220,
        station: "No.9+0.0",
        value: 29.13,
        limit: 14,
        reason: "지형상 불가능 — 복도 안 어떤 길도 23.5% 이상 기울기를 지나야 이어짐",
      },
      {
        kind: "radius",
        from_m: 400,
        to_m: 412,
        station: "No.20+0.0",
        value: 9.5,
        limit: 12,
        reason: "곡선 둘 자리 모자람 — 앞뒤 직선이 짧아 최소 반지름 원호가 안 들어감",
      },
      {
        kind: "stream",
        from_m: 600,
        to_m: 700,
        station: "No.30+0.0",
        value: 32,
        limit: 100,
        reason: "계류 버퍼 안 — 건너기 · 기점 · 종점 봐줌을 넘음",
      },
    ],
  },
  criteria: {
    max_grade_pct: 14,
    min_radius_m: 12,
    stream_offset_m: 5,
    road_width_m: 4,
    corridor_m: 100,
    grade_smooth_m: 5,
    // 기준값 확정(계획서 20) — 서버가 이제 늘 빈 목록으로 준다.
    pending: [],
  },
  relaxed: true,
  terrain_bound_pct: 23.46,
};
const plain = model.normalizeRouteInitial(plainResponse, "earthwork", null);
// 화면 칸에 겹침을 넣어 물었을 때 — `criteriaOverrides` 로 그대로 남는다(빈 칸은 안 담김).
const withOverrides = model.normalizeRouteInitial(plainResponse, "earthwork", null, {
  stream_offset_m: 50,
});
const planShape = model.normalizeRouteInitial(
  {
    nodes: [
      { x: 0, y: 0, radius_m: null, inner_angle_deg: null, tangent_m: null, violations: [] },
      { x: 40, y: 30, radius_m: 25, inner_angle_deg: 140, tangent_m: 9, violations: [] },
      { x: 90, y: 30, radius_m: null, inner_angle_deg: null, tangent_m: null, violations: [] },
    ],
    curves: [
      {
        apex: [40, 30],
        radius_m: 25,
        tangent_m: 9,
        inner_angle_deg: 140,
        start: [33, 25],
        end: [49, 30],
        node_first: 1,
        node_last: 1,
        violations: [],
      },
    ],
  },
  "weighted",
  { expected: 60, earthwork: 20, grade: 20 },
);
let tooShort = "";
try {
  model.normalizeRouteInitial({ nodes: [{ x: 1, y: 1 }] }, "gentle", null);
} catch (error) {
  tooShort = error.message;
}

// ③ 글 — 현재 초기값 · 비교값 · 기준값.
const labels = {
  follow: model.choiceLabel("follow", null),
  weighted: model.choiceLabel("weighted", { expected: 60, earthwork: 20, grade: 20 }),
  metrics: model.metricsLine(plain.metrics),
  metricsNone: model.metricsLine(null),
  criteria: model.criteriaLine(plain.criteria, 0),
  criteriaFallback: model.criteriaLine(null, 15),
  violations: model.violationsLine(plain.metrics),
  violationsNone: model.violationsLine({ ...plain.metrics, violations: [] }),
  violationsOld: model.violationsLine({ ...plain.metrics, violations: null }),
  violationsMany: model.violationsLine({
    ...plain.metrics,
    violations: Array.from({ length: 7 }, (_, i) => ({
      kind: "grade",
      station: `No.${i}+0.0`,
      value: 15 + i,
      limit: 14,
      reason: "곡선 맞춤 뒤 지반 차 — 측점 사이 지반이 상한을 넘음",
    })),
  }),
  relaxed: model.relaxedLine(plain),
  notRelaxed: model.relaxedLine(planShape),
};

// ⑤ 서버가 적어 둔 현재 초기값(`current_initial`) — 펴기와 캐시 견주기(제약 겹침 포함).
const bases = {
  follow: model.serverBase({
    logic: "follow",
    weights: { expected: 100, earthwork: 0, grade: 0 },
    criteria: null,
  }),
  weighted: model.serverBase({
    logic: "weighted",
    weights: { expected: 70.0, earthwork: 15.0, grade: 15.0 },
    criteria: { stream_offset_m: 50.0 },
  }),
  unknown: model.serverBase({ logic: "nope" }),
  none: model.serverBase(null),
};
const sameAsServer = {
  earthVsFollow: model.sameBase(plain, bases.follow),
  earthVsEarth: model.sameBase(plain, model.serverBase({ logic: "earthwork", criteria: null })),
  // 같은 갈래라도 그때 넣었던 제약 겹침이 다르면(캐시엔 없음, 서버는 50m) 다른 것으로 본다.
  earthVsEarthDiffCriteria: model.sameBase(
    withOverrides,
    model.serverBase({ logic: "earthwork", criteria: null }),
  ),
  weightedSame: model.sameBase(
    planShape,
    model.serverBase({ logic: "weighted", weights: { expected: 60, earthwork: 20, grade: 20 } }),
  ),
  weightedOther: model.sameBase(planShape, bases.weighted),
};

// ④ 캐시 왕복 — 결과 통 프로젝트 칸. 꼴이 틀린 값은 안 읽는다.
model.writeInitialChoice("p-1", plain);
const readBack = model.readInitialChoice("p-1");
const other = model.readInitialChoice("p-2");
model.writeInitialChoice("p-3", withOverrides);
const readBackOverrides = model.readInitialChoice("p-3");
const keys = [...session._map.keys()];
session._map.set(
  keys[0],
  JSON.stringify({
    logic: "nope",
    snapshot: {
      planned: [
        [0, 0],
        [1, 1],
      ],
    },
  }),
);
const badLogic = model.readInitialChoice("p-1");
model.writeInitialChoice("p-1", null);
const cleared = model.readInitialChoice("p-1");

process.stdout.write(
  JSON.stringify({
    moves,
    plain,
    planShape,
    tooShort,
    labels,
    readBack,
    readBackOverrides,
    other,
    keys,
    badLogic,
    cleared,
    bases,
    sameAsServer,
  }),
);