/* 288 맹암거 횡단 헬퍼 — 진짜 TS 를 Node 로 돌려 표준출력 JSON 한 벌로.
 * 입력 = argv[2] JSON 파일 { structures, sections }.
 */
const fs = require("fs");
const path = require("path");
const ts = require(path.join(__dirname, "..", "..", "config", "node_modules", "typescript"));
const CATALOG = require("./helper_322_catalog_module.cjs"); // 구조물 표(322-1)

const ROOT = path.join(__dirname, "..", "..");
const cache = new Map();
const load = (file) => {
  if (cache.has(file)) return cache.get(file);
  const js = ts.transpileModule(fs.readFileSync(file, "utf8"), {
    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 },
  }).outputText;
  const box = { exports: {} };
  cache.set(file, box.exports);
  const near = (m) => {
    if (CATALOG.isCatalogRequest(m)) return CATALOG;
    if (m.startsWith("@config/")) return load(path.join(ROOT, "config", `${m.slice(8)}.ts`));
    if (m.startsWith("@util/")) return load(path.join(ROOT, "common_util", `${m.slice(6)}.ts`));
    if (m.startsWith(".")) return load(path.join(path.dirname(file), `${m}.ts`));
    return new Proxy({}, { get: () => () => {} });
  };
  new Function("exports", "module", "require", js)(box.exports, box, near);
  return box.exports;
};

class Node {
  constructor(tag) {
    this.tag = tag;
    this.attrs = {};
    this.children = [];
  }
  setAttribute(k, v) {
    this.attrs[k] = String(v);
  }
  getAttribute(k) {
    return this.attrs[k] ?? null;
  }
  append(...kids) {
    this.children.push(...kids);
  }
}
globalThis.document = { createElementNS: (_ns, tag) => new Node(tag) };

const input = JSON.parse(fs.readFileSync(process.argv[2], "utf8"));
const util = load(path.join(ROOT, "common_util", "common_util_structure_underdrain.ts"));
const draw = load(path.join(ROOT, "B06_Section", "B06_Section_UI_Cross_Underdrain.ts"));

const specs = util.underdrainSpecsFrom(input.structures);
const sections = input.sections.map((s) => ({ ...s }));
const attached = util.attachUnderdrainSpecs(sections, specs);

// 지대 낮은 쪽(우)으로 5 % 기울인 노면 · 좌 = 절토(오름) · 우 = 성토(내림) · 암거 높이 1 m
const design = {
  road_edges: {
    left: { offset_m: 3, elevation_m: 100.15 },
    right: { offset_m: -3, elevation_m: 99.85 },
  },
  design_line: [
    { offset_m: 6, elevation_m: 102.9 },
    { offset_m: 3, elevation_m: 100.15 },
    { offset_m: -3, elevation_m: 99.85 },
    { offset_m: -7, elevation_m: 97.2 },
  ],
};
const svg = new Node("g");
const group = draw.appendUnderdrainOverlay(
  svg,
  { structure_id: "ud-1", chainage_m: 40, height_m: 1, slope_pct: 5 },
  design,
  (o) => o,
  (e) => e,
);
const body = group?.children.find((k) => k.attrs.class === "b06-chart__underdrain-body");

// 288-2 형상 누름 창구 — 물넘이(pipe-…) = 시설 고름 · 맹암거 = id 알림(목록이 고름)
globalThis.CustomEvent = class {
  constructor(type, init) {
    this.type = type;
    this.detail = init?.detail;
    this.bubbles = init?.bubbles;
  }
};
const shapePick = load(path.join(ROOT, "B06_Section", "B06_Section_UI_Cross_Shape_Pick.ts"));
const routed = [];
const from = { dispatchEvent: (event) => routed.push([event.type, event.detail, event.bubbles]) };
const route = shapePick.shapePickRoute(from, () => routed.push(["pipe"]));
route("pipe-230.00");
route("ud-1");

process.stdout.write(
  JSON.stringify({
    specs,
    attached,
    sections: sections.map((s) => s.underdrain ?? null),
    outline: draw.underdrainOutline(design, 1),
    noHeight: draw.underdrainOutline(design, null),
    drew: !!group,
    bodyId: body?.attrs["data-structure-id"] ?? null,
    routed,
    eventName: shapePick.SHAPE_PICK_EVENT,
    stones: group?.children.filter((k) => k.tag === "g").flatMap((g) => g.children).length ?? 0,
  }),
);