/* 457 헬퍼 — 노선 바뀜 뒤 초안 카드(묶음 새 상세) 그림 · 이름 · 시설 맥락 = 지금 현황을 새 측점에 다시 얹은 것.
 * 진짜 TS(`design_pipeline_cross` · `B05_Profile_Pipeline_Detail` · 측점 · 따라감 · 형상 얹기) · 세션 창구만 가짜.
 * 재현 E · F(시점 당김) · G(세션에서 놓은 BOX) · H(관 둘 엇갈려 옮김) — 결과 = 표준출력 JSON. 짝 = `test_457_draft_card.py`. */
const fs = require("fs");
const path = require("path");
const ROOT = path.resolve(__dirname, "..", "..");
const ts = require(path.join(ROOT, "config", "node_modules", "typescript"));
const CATALOG = require("./helper_322_catalog_module.cjs");

const STUBS = {
  b_page_state: { readState: () => null },
  B06_Section_Section_Canon: { savedDesigns: () => null },
  B06_Section_UI_Standard_Panel: {
    effectiveStandardCross: () => ({ road_width_m: 3 }),
    readRockBoundaryDefault: () => null,
  },
  B05_Profile_UI_Profile_Data: { toDesignProfile: () => ({}) },
};
const cache = new Map();
function resolveTs(base) {
  for (const c of [`${base}.ts`, base]) if (fs.existsSync(c) && fs.statSync(c).isFile()) return c;
  throw new Error(`없음: ${base}`);
}
function load(full) {
  if (cache.has(full)) return cache.get(full).exports;
  const js = ts.transpileModule(fs.readFileSync(full, "utf8"), {
    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 },
  }).outputText;
  const box = { exports: {} };
  cache.set(full, box);
  const req = (r0) => {
    if (CATALOG.isCatalogRequest(r0)) return CATALOG;
    const r = r0.replace(/\.js$/, "");
    const stub = STUBS[r.split("/").pop()];
    if (stub) return stub;
    if (r.endsWith(".json"))
      return JSON.parse(fs.readFileSync(path.join(path.dirname(full), r), "utf8"));
    if (r.startsWith("@util/")) return load(resolveTs(path.join(ROOT, "common_util", r.slice(6))));
    if (r.startsWith(".")) return load(resolveTs(path.join(path.dirname(full), r)));
    return require(r);
  };
  new Function("exports", "module", "require", js)(box.exports, box, req);
  return box.exports;
}
const P = (...a) => path.join(ROOT, ...a);
const follow = load(P("common_util", "common_util_route_follow.ts"));
const SS = load(P("B05_Profile", "logic", "B05_Profile_Sections_Stations.ts"));
const AT = load(P("common_util", "common_util_structure_attach.ts"));
const ST = load(P("common_util", "common_util_structure_station.ts"));
const CS = load(P("common_util", "common_util_culvert_sets.ts"));
const PD = load(P("B05_Profile", "logic", "B05_Profile_Pipeline_Detail.ts"));
const CR = load(P("A00_Common", "design", "design_pipeline_cross.ts"));

const def = JSON.parse(
  fs.readFileSync(P("resources", "master_template", "구조물정의.json"), "utf8"),
);
const types = def.types
  .filter((t) => t.enabled !== false)
  .map((t) => ({
    type_id: t.type_id,
    group: t.group,
    placement: t.placement,
    managed_by: t.managed_by,
    name: t.name,
    options: (t.options || []).map((o) => ({ key: o.key, label: o.label, default: o.default })),
  }));
const SHAPES = AT.SHAPE_KEYS;
const idOf = (m) => `station_${String(Math.round(m * 1000)).padStart(12, "0")}`;
const kindOf = (s) =>
  s.kind === "end"
    ? s.key.endsWith("EP")
      ? "ep"
      : "bp"
    : s.kind === "grid"
      ? "regular"
      : s.kind === "curve"
        ? "curve"
        : "irregular";
const ground = (s) => ({
  ...s,
  ground: { centerZ: 100, left: [{ offsetM: 5, z: 101 }], right: [{ offsetM: 5, z: 99 }] },
});
const sectionsFrom = (S) =>
  S.map((s) => ({
    station_id: idOf(s.chainageM),
    chainage_m: s.chainageM,
    label: "",
    kind: kindOf(s),
    center_x: s.x,
    center_y: s.y,
    samples: [],
    design: { design_elevation_m: 101 },
  }));
const xy = (L) => L.map(([x, y]) => ({ x, y }));
function at(L, ch) {
  let walked = 0;
  for (let i = 1; i < L.length; i += 1) {
    const [a, b] = [L[i - 1], L[i]];
    const span = Math.hypot(b[0] - a[0], b[1] - a[1]);
    if (walked + span >= ch) {
      const t = (ch - walked) / span;
      return [a[0] + (b[0] - a[0]) * t, a[1] + (b[1] - a[1]) * t];
    }
    walked += span;
  }
  return L[L.length - 1];
}
const pipe = (id, facility, ch, L, options) => {
  const [x, y] = at(L, ch);
  return { id, facility, chainage_m: ch, x, y, options };
};
const wall = (L) => {
  const [x, y] = at(L, 70);
  return {
    structure_id: "w1",
    type_id: "retaining_wall",
    chainage_m: 70,
    start_m: 60,
    end_m: 80,
    x,
    y,
    options: { height_m: 2, side: "left" },
  };
};
/** 측점 그림 지문 — 얹힌 형상 열쇠 · 그 누가거리(구간이면 시작~끝). */
const shapesOf = (s) =>
  SHAPES.filter((k) => s[k] !== undefined)
    .map((k) => {
      const v = s[k];
      const c = Array.isArray(v)
        ? v.map((x) => `${x.start_m ?? x.chainage_m ?? ""}~${x.end_m ?? ""}`).join("/")
        : v && (v.chainage_m ?? `${v.start_m ?? ""}~${v.end_m ?? ""}`);
      return `${k}@${c}`;
    })
    .join(" ");

/** 정답 = 새 측점(구조물 없는 꼴)에 지금 현황(따라간 관 · 구조물)을 얹은 그림 · 측점 계획 이름(캐시 `withDraftShapes`). */
function truthOf(S2, pipes, structures) {
  const bare = S2.map((s) => ({ chainage_m: s.chainageM }));
  AT.attachShapes(bare, pipes, structures, types);
  const planned = ST.planStations(pipes, structures, types, CS.registryDefaults(types));
  return bare.map((s) => ({
    shapes: shapesOf(s),
    name: planned.find((p) => Math.abs(p.chainage_m - s.chainage_m) < 0.005)?.title ?? null,
  }));
}

function scenario(L1, L2, saved, now, opts = {}) {
  const S1 = SS.buildStations(L1, [], saved.pipes, saved.structures, { types, intervalM: 20 });
  // 저장 상세(서버) = 저장 측점에 저장 현황 그림 · 초안 둔 채 열기면 화면 상세가 초안 자리(`canon`)
  const Scanon = opts.canon ?? S1;
  const detail = {
    longitudinal: { stations: [], design_profiles: [], length_m: 0, samples: [] },
    cross_sections: sectionsFrom(Scanon),
  };
  AT.attachShapes(
    detail.cross_sections,
    opts.canonPipes ?? saved.pipes,
    opts.canonStructures ?? saved.structures,
    types,
  );
  const pF = follow.projectPipePoints(now.pipes, xy(L2));
  const sF = follow.followStructures(now.structures, xy(L2), undefined, 20).map((m) => m.item);
  const S2 = SS.buildStations(L2, [], pF, sF, { types, intervalM: 20 }).map(ground);
  const keysOf = opts.keys ? () => opts.keys : undefined;
  const source = CR.pipelineCrossSource("p457", detail, S1, 7, keysOf);
  // 노선 초안 동안 등록 목록이 새 노선 것으로 바뀜 — 처음 본 열쇠 그대로여야 함
  const again = opts.keys
    ? CR.pipelineCrossSource("p457", detail, S1, 7, () => [...opts.keys].reverse())
    : source;
  const status = PD.shapeStatus
    ? PD.shapeStatus(pF, sF, types)
    : { pipes: pF, structures: sF, types };
  const card = PD.draftSectionDetail(
    detail,
    { stations: S2, longitudinal: { chainageM: [0], z: [0] } },
    {},
    null,
    again.specs,
    20,
    status,
  );
  const truth = truthOf(S2, pF, sF);
  const shaped = PD.crossWithShapes ? PD.crossWithShapes(source.input, S2, status) : source.input;
  const ctx = (key) => {
    const e = shaped.byKey[key] ?? {};
    return [Boolean(e.paved), Boolean(e.tilted), e.tiltPct ?? null, e.surfaceDropM ?? 0];
  };
  return {
    rows: S2.map((s, i) => ({
      key: s.key,
      m: s.chainageM,
      card: shapesOf(card.cross_sections[i]),
      truth: truth[i].shapes,
      name: card.cross_sections[i].structure ?? null,
      truthName: truth[i].name,
      id: card.cross_sections[i].station_id,
      ctx: ctx(s.key),
    })),
    canonIds: Object.fromEntries(
      Scanon.map((s, i) => [s.key, detail.cross_sections[i].station_id]),
    ),
    sourceKeys: Object.fromEntries([...source.specs].map(([k, v]) => [k, v.station_id])),
    specFields: [...new Set([...source.specs.values()].flatMap((v) => Object.keys(v)))],
  };
}

const L1 = [
  [0, 0],
  [100, 0],
  [200, 60],
];
const P1 = [
  pipe("p1", "pipe", 47, L1, { pipe_diameter_mm: "800" }),
  pipe("fp", "ford_pavement", 125, L1, { ford_width_m: 12 }),
];
const facilities = { pipes: P1, structures: [wall(L1)] };
const out = {};
out.E = scenario(
  L1,
  [
    [-13, 0],
    [100, 0],
    [200, 60],
  ],
  facilities,
  facilities,
);
out.F = scenario(
  L1,
  [
    [-7, 0],
    [100, 0],
    [200, 60],
  ],
  facilities,
  facilities,
);
out.G = scenario(
  L1,
  [
    [-7, 0],
    [100, 0],
    [200, 60],
  ],
  facilities,
  {
    pipes: [...P1, pipe("p9", "box_culvert", 90, L1, { body_width_m: 2 })],
    structures: [wall(L1)],
  },
);
// H — 세션에서 관 둘을 엇갈려 옮김(저장 전) · 초안 둔 채 열기(화면 상세 = 옮긴 자리) → 시점 +7
{
  const saved = [
    pipe("p1", "pipe", 47, L1, { pipe_diameter_mm: "800" }),
    pipe("p2", "box_culvert", 90, L1, { body_width_m: 2 }),
  ];
  const moved = [
    pipe("p1", "pipe", 110, L1, { pipe_diameter_mm: "800" }),
    pipe("p2", "box_culvert", 30, L1, { body_width_m: 2 }),
  ];
  const Snow = SS.buildStations(L1, [], moved, [], { types, intervalM: 20 });
  out.H = scenario(
    L1,
    [
      [-7, 0],
      [100, 0],
      [200, 60],
    ],
    { pipes: saved, structures: [] },
    { pipes: moved, structures: [] },
    { canon: Snow, canonPipes: moved, keys: Snow.map((s) => s.key) },
  );
}
process.stdout.write(JSON.stringify(out));