/* PLAN 322-3 카드 목록 흐름 헬퍼 — 진짜 `B06_Section_Section_Drafts.ts`(withDraftStations) + 측점 계획 ·
 * 구조물 표 · 관 세트 산식을 그 자리에서 트랜스파일해 Node 로 돌림(서버 · 세션만 흉내) · 결과 = 표준출력 JSON.
 * 흐름 일곱 = 놓기 · 일반 측점에 놓기(219) · 옮기기 · 같은 군 바꿈 · 정본 넘는 바꿈 · 지우기 · 저장 뒤 다시 열기.
 * 짝 = `test_322_3_flow.py`.
 */
const fs = require("fs");
const path = require("path");
const ROOT = path.join(__dirname, "..", "..");
const ts = require(path.join(ROOT, "config", "node_modules", "typescript"));
const DEF = JSON.parse(
  fs.readFileSync(path.join(ROOT, "resources", "master_template", "구조물정의.json"), "utf8"),
);
const TYPES = DEF.types.map((t) => ({ managed_by: null, enabled: true, ...t }));

const state = { savedPipes: [], savedStructures: [], draftPipes: null, draftStructures: null };
const memory = new Map();
const store = {
  getItem: (k) => (memory.has(k) ? memory.get(k) : null),
  setItem: (k, v) => memory.set(k, String(v)),
  removeItem: (k) => memory.delete(k),
  key: (i) => [...memory.keys()][i] ?? null,
  get length() {
    return memory.size;
  },
};
globalThis.window = { sessionStorage: store, localStorage: store, addEventListener: () => {} };
globalThis.sessionStorage = store;
globalThis.localStorage = store;
const file = (...parts) => path.resolve(ROOT, ...parts);
const STUBS = new Map([
  [
    file("B04_PreProcess", "B04_PreProcess_Api_Fetch.ts"),
    { fetchDetailPipePoints: async () => ({ pipe_points: state.savedPipes }) },
  ],
  [
    file("B05_Profile", "B05_Profile_Api_Structures.ts"),
    {
      fetchStructures: async () => ({ structures: state.savedStructures }),
      fetchStructureTypes: async () => TYPES,
      readPendingStructures: () => state.draftStructures,
    },
  ],
  [
    file("B05_Profile", "B05_Profile_Api_Pipes_Draft.ts"),
    { readPendingPipes: () => state.draftPipes },
  ],
  [
    file("B06_Section", "B06_Section_Api_Fetch.ts"),
    {
      previewStructureSections: async (_p, chainages) =>
        chainages.map((at) => ({ chainage_m: at, kind: "irregular", station_id: `p${at}` })),
    },
  ],
]);
const cache = new Map();
function load(target) {
  const full = path.resolve(target);
  if (STUBS.has(full)) return STUBS.get(full);
  if (cache.has(full)) return cache.get(full);
  if (full.endsWith(".json")) return JSON.parse(fs.readFileSync(full, "utf8"));
  const js = ts.transpileModule(fs.readFileSync(full, "utf8"), {
    compilerOptions: {
      module: ts.ModuleKind.CommonJS,
      target: ts.ScriptTarget.ES2020,
      esModuleInterop: true,
    },
  }).outputText;
  const box = { exports: {} };
  cache.set(full, box.exports);
  const need = (spec) => {
    if (spec.startsWith("@ui/")) return { showToast: () => {} };
    const alias = spec.startsWith("@util/") ? path.join(ROOT, "common_util", spec.slice(6)) : null;
    const base = alias ?? path.join(path.dirname(full), spec);
    const hit = [`${base}.ts`, base.replace(/\.js$/, ".ts"), base].find(
      (p) =>
        (STUBS.has(path.resolve(p)) || fs.existsSync(p)) &&
        !fs.statSync(p, { throwIfNoEntry: false })?.isDirectory(),
    );
    if (!hit) throw new Error(`모름: ${spec} (${full})`);
    return load(hit);
  };
  new Function("exports", "module", "require", js)(box.exports, box, need);
  return box.exports;
}

load(file("common_util", "common_util_structure_catalog.ts")).useCatalogDefinition(DEF);
const drafts = load(file("B06_Section", "B06_Section_Section_Drafts.ts"));

const grid = () =>
  Array.from({ length: 11 }, (_v, i) => ({
    chainage_m: i * 20,
    kind: "regular",
    station_id: `g${i * 20}`,
  }));
const irregular = (at, structure, extra = {}) => ({
  chainage_m: at,
  kind: "irregular",
  station_id: `i${at}`,
  structure,
  ...extra,
});
const wall = (type_id, id = "w1") => ({
  structure_id: id,
  type_id,
  placement: "interval",
  start_m: 93,
  chainage_m: 101,
  end_m: 113,
  options: { height_m: 3 },
});
const summary = (detail) =>
  detail.cross_sections.map((s) => [
    s.chainage_m,
    s.structure ?? null,
    !!s.preview,
    ["culvert", "ford", "box"].filter((k) => s[k]),
  ]);

let route = 0;
async function run(setup, detail) {
  Object.assign(state, {
    savedPipes: [],
    savedStructures: [],
    draftPipes: null,
    draftStructures: null,
    ...setup,
  });
  drafts.forgetDraftStations("P");
  route += 1;
  await drafts.withDraftStations(detail, "P", route);
  await drafts.withDraftShapes(detail, "P"); // 그림 자료 = 형상 얹기 한 벌(323-4)
  return summary(detail);
}

(async () => {
  const out = {};
  out.place = await run({ draftStructures: [wall("retaining_wall")] }, { cross_sections: grid() });
  out.gridPlace = await run(
    {
      draftStructures: [
        {
          structure_id: "u1",
          type_id: "cross_underdrain",
          placement: "point",
          chainage_m: 100,
          options: {},
        },
      ],
      draftPipes: [{ chainage_m: 120, options: { pipe_diameter_mm: "800" } }],
    },
    { cross_sections: grid() },
  );
  const pipeSet = { culvert: { type: "pipe" } };
  out.move = await run(
    {
      savedPipes: [{ chainage_m: 61, options: { pipe_diameter_mm: "1000" } }],
      draftPipes: [{ chainage_m: 75, options: { pipe_diameter_mm: "1000" } }],
    },
    { cross_sections: [...grid(), irregular(61, "파형강관 D1000", pipeSet)] },
  );
  const walls = () => [irregular(93, "옹벽"), irregular(101, "옹벽"), irregular(113, "옹벽")];
  out.sameGroup = await run(
    { savedStructures: [wall("retaining_wall")], draftStructures: [wall("soil_guard")] },
    { cross_sections: [...grid(), ...walls()] },
  );
  out.crossOwner = await run(
    {
      savedPipes: [{ chainage_m: 101, options: { pipe_diameter_mm: "1000" } }],
      draftPipes: [],
      draftStructures: [
        {
          structure_id: "u2",
          type_id: "cross_underdrain",
          placement: "point",
          chainage_m: 101,
          options: {},
        },
      ],
    },
    { cross_sections: [...grid(), irregular(101, "파형강관 D1000", pipeSet)] },
  );
  const kept = { cross_sections: [...grid(), ...walls()] };
  out.remove = await run({ savedStructures: [wall("retaining_wall")], draftStructures: [] }, kept);
  // 저장 뒤 다시 열기 — 초안 없음 = 서버 목록 그대로(빼 둔 옛 자리 돌아옴)
  out.reopen = await run({ savedStructures: [wall("retaining_wall")] }, kept);
  // 관을 옮겨도 고름 유지(322-3) — 고른 관이면 새 자리 · id = 관 세션 id 그대로(323-5) · 다른 고름은 그대로
  const sel = load(file("A00_Common", "design", "design_selection.ts"));
  const pipeIds = load(file("A00_Common", "design", "design_pipe_ids.ts"));
  sel.selectDesign("P", { chainageM: 61, structureId: pipeIds.pipeIdAt(61, "P") });
  pipeIds.followMovedPipe("P", 61, 75);
  const moved = sel.readSelection("P");
  sel.selectDesign("P", { chainageM: 101, structureId: "w1" });
  pipeIds.followMovedPipe("P", 101, 120);
  out.follow = [moved, sel.readSelection("P")];
  // 옛 소수 관(검증_sub1 견본) — B06 을 바로 열어도 B05 와 같은 정수 m 초안(`snapPlan` · 요구 167)
  const snap = load(file("B05_Profile", "B05_Profile_UI_Structures_Snap.ts"));
  const DEC = [
    85.05, 173.09, 258.12, 352.14, 440.24, 533.98, 619.71, 720.44, 804.18, 899.91, 982.64,
  ];
  const ford = new Set([173.09, 352.14]);
  const decPipes = DEC.map((at) => ({
    chainage_m: at,
    facility: ford.has(at) ? "ford_bridge" : "pipe",
    options: { pipe_diameter_mm: "800" },
  }));
  const plan = snap.snapPlan([], decPipes);
  out.snapTo = [plan.pipes.map((move) => move.to), plan.skipped];
  const snapped = decPipes.map((pipe) => ({
    ...pipe,
    chainage_m: plan.pipes.find((move) => move.from === pipe.chainage_m)?.to ?? pipe.chainage_m,
  }));
  const gridTo = (end) =>
    Array.from({ length: end / 20 + 1 }, (_v, i) => ({
      chainage_m: i * 20,
      kind: "regular",
      station_id: `g${i * 20}`,
    }));
  const titleAt = (at) => (ford.has(at) ? "세월교" : "파형강관 D800");
  const own = [85, 173, 258, 352, 534, 804, 983];
  const onGrid = [440, 620, 720, 900];
  // 서버가 정수 자리로 심은 저장분(격자 자리는 구조물 측점 하나 · grid) — 새 미리 뜬 카드 0
  const savedInt = [
    ...gridTo(1000).filter((s) => !onGrid.includes(s.chainage_m)),
    ...onGrid.map((at) => irregular(at, "파형강관 D800", { grid: true })),
    ...own.map((at) => irregular(at, at === 173 || at === 352 ? "세월교" : "파형강관 D800")),
  ];
  out.snapSavedInt = await run(
    { savedPipes: decPipes, draftPipes: snapped, draftStructures: [] },
    { cross_sections: savedInt },
  );
  // 소수 자리로 심긴 저장분(검증_sub1 지금) = B05 를 먼저 연 것과 같음 — 소수 카드는 빼 두고 정수 자리 미리 뜸
  const savedDec = [...gridTo(1000), ...DEC.map((at) => irregular(at, titleAt(at)))];
  out.snapSavedDec = await run(
    { savedPipes: decPipes, draftPipes: snapped },
    { cross_sections: savedDec },
  );
  process.stdout.write(JSON.stringify(out));
})().catch((error) => {
  process.stderr.write(String(error?.stack ?? error));
  process.exit(1);
});