/* 467 헬퍼 — 소단 원천 한 벌: 구조물 → 소단 구간(TS) · 저장분 소단 제원(TS) · 시설 줄이 세션 사본을 씀 ·
 * 다시 셈 = 사본 없으면 저장분 `design.berm`.
 *   node helper_272_berm_source.mjs <묶음.mjs> <job.json>
 * job = { standard, rockDefault, structureCases, storedCases, ground } · 짝 = `test_272_berm_source.py`.
 */
import { readFileSync } from "node:fs";
import { pathToFileURL } from "node:url";

const writes = [];
const memory = () => {
  const m = new Map();
  return {
    getItem: (k) => (m.has(k) ? m.get(k) : null),
    setItem: (k, v) => {
      writes.push(k);
      m.set(k, String(v));
    },
    removeItem: (k) => m.delete(k),
    key: (i) => [...m.keys()][i] ?? null,
    get length() {
      return m.size;
    },
    clear: () => m.clear(),
  };
};
globalThis.window = globalThis;
globalThis.sessionStorage = memory();
globalThis.localStorage = memory();
const any = new Proxy(function () {}, {
  get: (_t, k) => (k === Symbol.toPrimitive ? () => 0 : any),
  apply: () => any,
  construct: () => any,
});
globalThis.document = any;
globalThis.requestAnimationFrame = (run) => setTimeout(run, 0);
globalThis.fetch = async () => new Response("{}", { status: 404 });

const m = await import(pathToFileURL(process.argv[2]).href);
const job = JSON.parse(readFileSync(process.argv[3], "utf8"));
const P = "p272berm";
const R = 5;
const out = {};

/* 1. 거울 — 구조물 → 소단 구간 · 저장분 제원 */
out.spans = job.structureCases.map((list) => m.bermSpansFromStructures(list));
out.stored = job.storedCases.map((spec) => m.storedBermSpec(spec));

/* 2. 시설 줄이 사본을 씀 — 구조물 받기 전 안 씀 · 같으면 안 씀 · 바뀌면 한 번 */
{
  m.setPageRouteId(P, R);
  const key = m.stateKey("berm", P, R);
  const count = () => writes.filter((k) => k === key).length;
  const copy = () => m.readState("berm", P, R);
  const lane = m.createFacilityLane(P, () => null);
  const steps = {};
  lane.setTypes([]);
  lane.follow(); // 저장분 · 가게 구조물 없음 = 아직 모름
  steps.beforeKnown = { copy: copy(), writes: count() };
  const saved = job.structureCases[0];
  lane.setStored(saved);
  lane.set({ structures: saved }, false);
  steps.loaded = { copy: copy(), writes: count() };
  lane.set({ structures: saved.map((item) => ({ ...item })) });
  lane.set({ pipes: [] });
  steps.same = { writes: count() };
  const moved = saved.map((item) =>
    item.type_id === "berm" ? { ...item, start_m: item.start_m + 5, end_m: item.end_m + 5 } : item,
  );
  lane.set({ structures: moved });
  steps.moved = { copy: copy(), writes: count() };
  lane.set({ structures: [] });
  steps.removed = { copy: copy(), writes: count() };
  lane.dispose();
  out.lane = steps;
}

/* 2-2. 시설 줄 칠함 — 종류 표 받기 전 측점(빈 목록)을 종단도에 안 씀 · 받은 뒤 한 번 */
{
  const P2 = "p272paint";
  const wrote = [];
  const fake = {
    setStructureTypes: () => undefined,
    setStructures: () => undefined,
    setIrregularStations: (list) => wrote.push(list.length),
    setMinCoverPipes: () => undefined,
    resetStationEdit: () => undefined,
  };
  const lane = m.createFacilityLane(P2, () => fake);
  lane.set({ pipes: [] });
  lane.set({ structures: [] }, false);
  lane.paint();
  const before = wrote.length;
  lane.setTypes([{ type_id: "berm", name: "소단", placement: "interval" }]);
  out.paint = { before, after: wrote.length };
  lane.dispose();
}

/* 3. 다시 셈 소단 원천 — 사본 없음(저장분 design.berm) · 사본 = 같은 구간 · 사본 = 빈 목록 */
{
  m.writeState("std-cross", job.standard, P);
  m.rememberRockBoundaryDefault(P, job.rockDefault);
  const detailOf = () => ({
    longitudinal: { length_m: 200, stations: [], profile_alignment: { policy: {} } },
    cross_sections: [
      {
        station_id: "station_000000040000",
        chainage_m: 40,
        label: "",
        kind: "regular",
        center_z: 96,
        azimuth_deg: 90,
        center_x: 40,
        center_y: 0,
        frame: { left_xy: [0, 1] },
        uphill_side: "left",
        samples: job.ground,
        design: {
          design_elevation_m: 100,
          ground_type: "soil",
          section_mode: "both_fill",
          ditch_type: "standard",
          berm: job.storedBerm,
        },
      },
    ],
  });
  const alignment = {
    stations: [{ chainage_m: 40, plan_elevation_m: 100 }],
    samples: [
      { chainage_m: 0, elevation_m: 100 },
      { chainage_m: 100000, elevation_m: 100 },
    ],
    balance: { cut_area_m2: 0, fill_area_m2: 0, net_area_m2: 0 },
  };
  const run = async (copy) => {
    if (copy === undefined) sessionStorage.removeItem(m.stateKey("berm", P, R));
    else m.writeState("berm", copy, P, R);
    const detail = detailOf();
    await m.refreshCrossDesigns({
      projectId: P,
      routeId: R,
      detail,
      edits: { station_offsets: {}, curve_radii: {} },
      alignment,
    });
    const design = detail.cross_sections[0].design;
    return { fill: design.fill_area_m2 ?? null, cut: design.cut_area_m2 ?? null };
  };
  out.refresh = {
    noCopy: await run(undefined),
    copySame: await run(m.bermSpansFromStructures(job.structureCases[0])),
    copyEmpty: await run([]),
  };
}

process.stdout.write(JSON.stringify(out));