/* 315 물넘이포장 도수로 · 돌붙임 길이(성토) · 월류 높이선 성토 쪽 연장 헬퍼 — 진짜 TS 를 Node 로 돌려 JSON 한 벌로. */
const fs = require("fs");
const path = require("path");
const ts = require(path.join(__dirname, "..", "..", "config", "node_modules", "typescript"));

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 (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 = [];
    this.dataset = {};
    this.style = {};
  }
  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 pave = load(path.join(ROOT, "B06_Section", "B06_Section_UI_Cross_Ford_Pavement.ts"));
const hatch = load(path.join(ROOT, "B06_Section", "B06_Section_UI_Cross_Wall_Hatch.ts"));
const fillGround = hatch.groundLine(input.fillSamples);
const dipGround = hatch.groundLine(input.dipSamples);
const chute = (design, ground, length) =>
  pave.fordChuteLine(design, length ? { length_m: length } : {}, ground);
// 그린 SVG — 띠(돌붙임) · 월류 높이선 점 수
const svg = new Node("g");
pave.appendFordPavementOverlay(
  svg,
  {
    span_m: 8,
    depth_m: 0.3,
    slope_pct: 5,
    chute: { structure: "돌붙임", thickness_m: 0.3, length_m: 6 },
  },
  input.fillDesign,
  (o) => o,
  (e) => e,
  fillGround,
);
const deck = svg.children.find((k) => k.attrs.class === "b06-chart__ford-deck-plan");
const band = svg.children.find((k) => k.attrs.class === "b06-chart__culvert-pitching");

const out = {
  fillNone: chute(input.fillDesign, fillGround),
  fillShort: chute(input.fillDesign, fillGround, 1),
  fillLong: chute(input.fillDesign, fillGround, 6),
  dipNone: chute(input.dipDesign, dipGround),
  dipLong: chute(input.dipDesign, dipGround, 2),
  fillOverflow: pave.overflowLine(input.fillDesign, 0.3),
  dipOverflow: pave.overflowLine(input.dipDesign, 0.3),
  fillEdges: pave.fordEdges(input.fillDesign),
  dipEdges: pave.fordEdges(input.dipDesign),
  deckPoints: deck?.attrs.points ?? null,
  bandPoints: band?.attrs.points ?? null,
};
process.stdout.write(JSON.stringify(out));