/* 421-2 추천 창 「못 지킨 구간」 · 원지반 기울기(참고) · 시종점 알림 헬퍼 — `_Initial_Model` 을
 * 그 자리에서 트랜스파일해 Node 로 돌려 줄 글을 JSON 한 벌로.
 */
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.endsWith(".css")) return {};
    if (request.startsWith("@ui/"))
      return loadTs(path.join(ROOT, "ui_template", `${request.slice(4)}.ts`));
    if (request.startsWith(".")) return loadTs(path.join(path.dirname(full), `${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 nodes = [
  { x: 0, y: 0 },
  { x: 10, y: 5 },
];
const item = (kind, station, value, limit, reason) => ({ kind, station, value, limit, reason });
const now = model.normalizeRouteInitial(
  {
    nodes,
    curves: [],
    metrics: {
      max_grade_pct: 35.8,
      over_limit: { grade: 2, radius: 1, station: 1, stream: 0, total: 4 },
      violations: [
        item("grade", "No.1", 28.8, 14, "원지반 기울기 — 참고"),
        item("radius", "No.3", 10, 12, "지형상 불가능 — 곡선"),
        item("grade", "No.4", 18.9, 14, "원지반 기울기"),
        item("station", "No.5+3.0", 3, 0, "측점 밖"),
      ],
    },
    ends_grade_pct: 16.24,
    ends_over_limit: true,
  },
  "earthwork",
  null,
);
const clean = model.normalizeRouteInitial(
  {
    nodes,
    curves: [],
    metrics: {
      max_grade_pct: 12,
      over_limit: { total: 1, grade: 1 },
      violations: [item("grade", "No.2", 15, 14, "")],
    },
    ends_grade_pct: 3,
    ends_over_limit: false,
  },
  "follow",
  null,
);
const old = model.normalizeRouteInitial(
  { nodes, curves: [], metrics: { max_grade_pct: 9, over_limit: { total: 3 } } },
  "gentle",
  null,
);

const lines = (choice) => ({
  violations: model.violationsLine(choice.metrics),
  ground: model.groundGradeLine(choice.metrics),
  groundTitle: model.groundGradeTitle(choice.metrics),
  ends: model.endsLine(choice),
  over: choice.metrics.overLimitCount,
  route: model.metricsLines(choice.metrics).route,
});
process.stdout.write(JSON.stringify({ now: lines(now), clean: lines(clean), old: lines(old) }));