/* 380-2 사토장 · 토취장(site) = 가장 가까운 기존 측점(일반 · 구조물 · 추가) · 새 측점 안 심음.
 * 진짜 `common_util_structure_station` · `_Structures_Snap` 을 Node 로 돌림. 입력 argv[2] JSON · 표준출력 JSON.
 */
const fs = require("fs");
const path = require("path");
const { makeLoader } = require("./helper_ts_stub_loader.cjs");

const ROOT = path.join(__dirname, "..", "..");

function loadTs(file, stubs = {}) {
  return makeLoader({
    root: ROOT,
    cache: false,
    requireFor: (full) => (request) => {
      if (stubs[request]) return stubs[request];
      throw new Error(`stub 없음: ${request} (${file})`);
    },
  }).loadTs(path.join(ROOT, file));
}

const input = JSON.parse(fs.readFileSync(process.argv[2], "utf8"));
const catalog = require("./helper_322_catalog_module.cjs");
const station = loadTs("common_util/common_util_structure_station.ts", {
  "./common_util_structure_catalog": catalog,
});
const snap = loadTs("B05_Profile/B05_Profile_UI_Structures_Snap.ts", {
  "@ui/ui_template_elements": { showToast: () => {}, showConfirmDialog: async () => true },
  "../common_util/common_util_structure_station": station,
  "../A00_Common/design/design_selection": { PIPE_MATCH_M: 0.51 },
  "./B05_Profile_Api_Structures": {
    structureAnchorM: (entry) => entry.chainage_m ?? entry.start_m ?? 0,
  },
});

const out = {};
out.emptySnap = station.snapExistingStation(25.4); // 목록 전 = 정수 m
station.setGeneralStations(input.stations);
station.setPlusStations(() => input.plus);
out.existing = station.existingStations();
out.snap = input.typed.map((value) => station.snapExistingStation(value));
out.twice = out.snap.map((value) => station.snapExistingStation(value));
out.siteFor = station.snapStationFor(25.4, "site");
out.pointFor = station.snapStationFor(25.4, "point");
out.movedSite = snap.movedStructure({ placement: "site", chainage_m: 20 }, 35.2).chainage_m;
out.movedPoint = snap.movedStructure({ placement: "point", chainage_m: 20 }, 35.2).chainage_m;
out.offGrid = input.offGrid.map((entry) => snap.structureOffGrid(entry));
out.planned = snap
  .snapPlan(input.offGrid, [])
  .structures.map((entry) => [entry.index, entry.next.chainage_m]);
process.stdout.write(JSON.stringify(out));