/* PLAN 298-1 헬퍼 — B06 [추가]가 적은 「높이 기다림」을 배수유역도 판이 같은 표(`fordWaitsOf`)로 보고
 * 다시 나눈 유량으로 빈 월류 높이를 채움(126-1) · 프로젝트마다 따로 · 실패 = 토스트 한 줄(`analyzeFailed`).
 * TS 로더는 `helper_126_ford_fill.cjs` 와 같다 · 결과 = 표준출력 JSON 한 벌.
 */
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 toasts = [];
const STUBS = {
  "@ui/ui_template_elements": { showToast: (message, kind) => toasts.push([message, kind]) },
};

function loadTs(file) {
  const full = path.resolve(file);
  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) => {
    if (STUBS[request]) return STUBS[request];
    if (request === "@config/config_frontend")
      return loadTs(path.join(ROOT, "config", "config_frontend.ts"));
    if (request.startsWith(".")) return loadTs(path.join(path.dirname(full), `${request}.ts`));
    if (request.startsWith("@")) return new Proxy({}, { get: () => () => {} });
    return require(request);
  };
  new Function("exports", "module", "require", js)(box.exports, box, localRequire);
  cache.set(full, box.exports);
  return box.exports;
}

const B05 = path.join(ROOT, "B05_Profile");
const fill = loadTs(path.join(B05, "B05_Profile_UI_Drainage_Ford_Fill.ts"));
const { fordHeightM } = loadTs(
  path.join(ROOT, "A00_Common", "design", "design_structure_ford_calc.ts"),
);

const flow = 8.0;
const points = () => [
  { chainage_m: 185, facility: "ford_bridge", options: { ford_width_m: 10 } },
  { chainage_m: 300, facility: "ford_pavement", options: {} },
];
const basins = [
  { chainage_m: 185, design_flow_m3s: flow },
  { chainage_m: 300, design_flow_m3s: flow },
];

// ① B06 [추가] — 그 프로젝트 표에 측점을 적음(판과 같은 표)
const b06Wants = fill.waitsFordHeight("ford_bridge", { ford_width_m: 10 });
if (b06Wants) fill.fordWaitsOf("p1").add(185);
const same = fill.fordWaitsOf("p1") === fill.fordWaitsOf("p1");
// ② 판의 다시 나눔 응답 — 같은 표로 채움 · 기다리지 않던 300 은 빈칸 그대로
const p1 = points();
const filled = fill.fillFordHeights(p1, basins, fill.fordWaitsOf("p1"));
// ③ 다른 프로젝트 같은 측점은 안 채움
const p2 = points();
const otherFilled = fill.fillFordHeights(p2, basins, fill.fordWaitsOf("p2"));

let failed = null;
try {
  const parts = loadTs(path.join(B05, "B05_Profile_UI_Drainage_Parts.ts"));
  failed = {
    status: parts.analyzeFailed(new Error("502 Bad Gateway"), "세부유역 산정에 실패했습니다."),
    plain: parts.analyzeFailed("x", "세부유역 산정에 실패했습니다."),
    toasts: [...toasts],
  };
} catch (error) {
  failed = { error: String(error) };
}

process.stdout.write(
  JSON.stringify({
    b06Wants,
    same,
    filled,
    heights: p1.map((p) => p.options.ford_height_m ?? null),
    left: [...fill.fordWaitsOf("p1")],
    otherFilled,
    otherHeights: p2.map((p) => p.options.ford_height_m ?? null),
    need: fordHeightM(flow, 10),
    failed,
  }),
);