/* PLAN 346-2 덧 3 헬퍼 — 노선 초안 동안 횡단 카드 = 묶음 새 노선 상세 · 종단 알약 = follow 뒤 자리.
 * 진짜 TS(`B06_Section_UI_Page_Station_Swap` · `design_pipeline` · `design_store` · `B05_Profile_UI_Structures_Marks` ·
 * `logic/B05_Profile_Structure_Follow`)를 그 자리에서 트랜스파일해 Node 로 돌림. 페이지 묶음 창구
 * (`design_pipeline_page` — pagePipeline · pipelineDetail)와 알약 이름 · 벌룬 · 서버 창구만 가짜.
 * 결과 = 표준출력 JSON. 짝 = `test_346_2_draft_cross_pills.py`. */
const fs = require("fs");
const path = require("path");
const ts = require(path.join(__dirname, "..", "..", "config", "node_modules", "typescript"));

const ROOT = path.join(__dirname, "..", "..");
const P = "p3463";
const R = 7;

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;
    },
  };
}
globalThis.window = globalThis;
globalThis.sessionStorage = memoryStorage();
globalThis.localStorage = memoryStorage();
localStorage.setItem("frd_current_project_id", P);
const element = () => {
  const node = {
    style: {},
    dataset: {},
    children: [],
    classList: { toggle: () => undefined, add: () => undefined },
    append: (...items) => node.children.push(...items),
    prepend: (item) => node.children.unshift(item),
    addEventListener: () => undefined,
  };
  return node;
};
globalThis.document = { createElement: element };

/* 페이지 묶음 창구 가짜 — 묶음은 진짜(`createDesignPipeline`) · 지도는 시험이 쥠 */
const fake = { pipe: null, detail: null };
const STUBS = {
  design_pipeline_page: {
    pagePipeline: (id) => (id === P ? fake.pipe : null),
    pipelineDetail: (id) => (id === P ? fake.detail : null),
  },
  B06_Section_Section_Store: {
    onAnySwap: () => () => undefined,
    swapSectionStations: async () => null,
  },
  touch_bridge: { pickPx: () => 14 },
  B05_Profile_Api_Structures: {
    structureAnchorM: (s) => s.chainage_m ?? s.start_m ?? 0,
  },
  B05_Profile_UI_Structures_List: { etcName: () => null, numberDuplicateNames: (names) => names },
  B05_Profile_UI_Structures_Balloon: { balloonLines: () => [] },
  common_util_structure_catalog: {
    catalogRow: (id) => (id === "wall" ? { placement: "interval", owner: "structures" } : null),
  },
};

const cache = new Map();
function loadTs(full) {
  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) => {
    const key = Object.keys(STUBS).find((name) => request.endsWith(name));
    if (key) return STUBS[key];
    if (request.endsWith("config_frontend") || request.startsWith("@config/"))
      return { CURRENT_PROJECT_ID_KEY: "frd_current_project_id", API_BASE_URL: "http://fake" };
    if (request.startsWith("@util/"))
      return loadTs(path.join(ROOT, "common_util", `${request.slice(6)}.ts`));
    if (request.startsWith(".")) return loadTs(path.join(path.dirname(full), `${request}.ts`));
    return require(request);
  };
  new Function("exports", "module", "require", js)(box.exports, box, localRequire);
  return box.exports;
}
const load = (...parts) => loadTs(path.join(ROOT, ...parts));

const pipeMod = load("A00_Common", "design", "logic", "design_pipeline.ts");
const storeMod = load("A00_Common", "design", "design_store.ts");
const swap = load("B06_Section", "B06_Section_UI_Page_Station_Swap.ts");
const marks = load("B05_Profile", "B05_Profile_UI_Structures_Marks.ts");
const follow = load("B05_Profile", "logic", "B05_Profile_Structure_Follow.ts");

const tick = (ms = 30) => new Promise((resolve) => setTimeout(resolve, ms));
const out = {};

async function main() {
  /* 1. 횡단 카드 — 저장 노선 → 노선 초안(새 노선 상세) → 숨은 동안 안 그림 → 초안 버림(저장 노선) */
  {
    const saved = { tag: "saved", cross_sections: [] };
    const drawn = [];
    let shown = true;
    const before = swap.shownDetail(P, saved).tag;
    // 횡단 보기가 먼저 섬 — 묶음은 아직 없음(종단 보기가 세움)
    const stop = swap.followSwaps(
      P,
      () => R,
      { visible: () => shown },
      async () => void drawn.push(swap.shownDetail(P, saved).tag),
    );
    const pipe = pipeMod.createDesignPipeline({
      stages: {
        profile: (ctx) => ({ grade: ctx.inputs.alignment }),
        cross: () => ({ byKey: {} }),
      },
    });
    // 페이지 묶음과 같은 차례 — 가게 잇기 · 새 노선 상세(초안 동안만) · 그다음 듣는 쪽
    pipe.subscribe(pipeMod.publishToStore(storeMod.useDesignStore(P, null)));
    pipe.subscribe((event) => {
      if (event.kind !== "stage" || (event.stage !== "profile" && event.stage !== "cross")) return;
      fake.detail = pipe.input("route")
        ? { tag: `draft-${event.stage}-${event.generation}`, cross_sections: [] }
        : null;
    });
    fake.pipe = pipe;
    await pipe.start({
      route: { rev: 1 },
      alignment: 1,
      cross: null,
      pipes: null,
      structures: null,
    });
    await tick();
    const afterDraft = [...drawn];
    const draftNow = swap.shownDetail(P, saved).tag;
    shown = false;
    await pipe.update("grade", 2);
    await tick();
    const whileHidden = [...drawn];
    const hiddenNow = swap.shownDetail(P, saved).tag;
    shown = true;
    await pipe.update("route", null);
    await tick();
    await pipe.update("grade", 3);
    await tick();
    const discarded = [...drawn];
    const savedNow = swap.shownDetail(P, saved).tag;
    stop();
    await pipe.update("route", { rev: 2 });
    await pipe.update("grade", 4);
    await tick();
    out.cards = {
      before,
      afterDraft,
      draftNow,
      whileHidden,
      hiddenNow,
      discarded,
      savedNow,
      afterStop: drawn.length,
    };
    pipe.dispose();
    fake.pipe = null;
    fake.detail = null;
  }

  /* 2. 종단 알약 — follow 뒤 자리(구조물 id 짝 · 관은 서버 id 와 세션 id 가 달라 차례 짝 · 구간형 띠도) */
  {
    const pill = (structure_id, type_id, chainage_m, start_m = null, end_m = null) => ({
      structure_id,
      type_id,
      placement: start_m === null ? "point" : "interval",
      chainage_m,
      start_m,
      end_m,
      options: {},
    });
    const pills = [
      pill("pipe-s1", "pipe", 30),
      pill("st-1", "gabion", 50),
      pill("st-2", "wall", 70, 60, 80),
      pill("pipe-s2", "pipe", 90),
      pill("st-9", "gabion", 120),
    ];
    const inputs = {
      route: { rev: 3 },
      structures: [
        { structure_id: "st-1", chainage_m: 55 },
        { structure_id: "st-2", chainage_m: 72, start_m: 62, end_m: 82 },
      ],
      pipes: [
        { id: "PB", chainage_m: 96 },
        { id: "PA", chainage_m: 33 },
      ],
    };
    fake.pipe = { input: (key) => inputs[key] ?? null };
    const lane = () => {
      const root = marks.buildStructureLane({
        structures: pills,
        types: [],
        x: (chainage) => chainage * 10,
        chainageAt: (px) => px / 10,
        maxChainageM: 200,
        widthPx: 2000,
        axisWidthPx: 40,
        stationIntervalM: 20,
        selectedId: null,
        onSelect: () => undefined,
        onMove: () => undefined,
      });
      const left = {};
      const band = [];
      for (const node of root.children) {
        if (node.dataset.structureId) left[node.dataset.structureId] = parseFloat(node.style.left);
        if (node.className?.startsWith("b05-structure__band"))
          band.push(parseFloat(node.style.left), parseFloat(node.style.width));
      }
      return { left, band };
    };
    const draft = lane();
    inputs.route = null; // 초안 버림 — 저장 자리
    const saved = lane();
    // 관 수가 안 맞으면 관 알약은 안 옮김(잘못 짝짓지 않음)
    const short = follow.followedMarks(pills, inputs.structures, [{ id: "PA", chainage_m: 33 }]);
    out.pills = {
      draft,
      saved,
      short: short.map((s) => s.chainage_m),
      untouched: pills[1].chainage_m,
    };
    fake.pipe = null;
  }

  process.stdout.write(JSON.stringify(out));
}
main().catch((error) => {
  console.error(error);
  process.exit(1);
});