/* 508-2 ③ 노선 편집 — 놓은 뒤(잠잠) 노선 띠가 잘라 받은 도엽 범위 밖이면 지금 노선 범위로 다시 받아 바꿔 끼움.
 * `fetchDrainageLayers` 는 가짜(부른 범위 기록 · 서버처럼 bbox + 600 m 를 clip_lonlat 로) · 잠잠 = 20 ms.
 * 메타 = 509-1 헬퍼와 같음(1 m = 0.00001 도). 결과는 JSON 한 벌.
 */
const path = require("path");
const { makeLoader } = require("./helper_ts_stub_loader.cjs");

const ROOT = path.join(__dirname, "..", "..");
globalThis.window = globalThis;
const META = {
  x_min: 0,
  y_min: 0,
  width_meters: 10000,
  height_meters: 10000,
  lon_min: 127,
  lon_max: 127.1,
  lat_min: 37,
  lat_max: 37.1,
};
const lon = (x) => 127 + x * 1e-5;
const lat = (y) => 37 + y * 1e-5;
const clipOf = ([x0, y0, x1, y1]) => [lon(x0 - 600), lat(y0 - 600), lon(x1 + 600), lat(y1 + 600)];
const calls = [];
const STUBS = {
  b_asset_cache: {},
  B04_PreProcess_UI_MapRender: { createNormalizer: () => ({}) },
  B04_PreProcess_UI_MapRender_Prepare: { prepareLayer: () => ({ features: [] }) },
  B05_Profile_UI_Drainage_Parts: {
    fetchDrainageLayers: async (_projectId, _progress, scope, bbox) => {
      calls.push({ scope, bbox: bbox ?? null });
      const rect = bbox.split(",").map(Number);
      return { meta: META, layers: [["도엽_등고선", { features: [], clip_lonlat: clipOf(rect) }]] };
    },
  },
  B05_Profile_UI_RouteEdit_Render: { CONTOUR_BAND_M: 300 },
  design_calc_server: { QUIET_MS: 20 },
};
const { load } = makeLoader({ root: ROOT, stubs: STUBS });
const contour = load("B05_Profile", "B05_Profile_UI_RouteEdit_Contour.ts");

const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
let line = [
  [5000, 5000],
  [5500, 5200],
];
// 저장 노선으로 자른 첫 도엽(509-1 서버와 같은 범위)
let sheets = {
  meta: META,
  layers: [["도엽_등고선", { features: [], clip_lonlat: clipOf([5000, 5000, 5500, 5200]) }]],
  line: () => line,
};
const swaps = [];

(async () => {
  const out = {};
  out.bbox = contour.routeBboxParam([
    [5012.3, 4987.1],
    [5499.9, 5200.0],
  ]);
  const follow = contour.createSheetFollow(
    "p",
    () => sheets,
    async (next) => {
      swaps.push(next.layers[0][1].clip_lonlat);
      sheets = next;
    },
  );
  // 범위 안 끌기 — 안 받음
  line = line.map(([x, y]) => [x + 250, y - 250]);
  follow.poke();
  await sleep(60);
  out.insideCalls = calls.length;
  // 범위 밖으로 크게 끌며 여러 걸음 — 잠잠 뒤 한 번만 받음 · 지금 노선 범위
  for (const dx of [400, 800, 1200]) {
    line = [
      [5000 + dx, 5000],
      [5500 + dx, 5200],
    ];
    follow.poke();
    await sleep(5);
  }
  out.beforeQuiet = calls.length;
  await sleep(60);
  out.outsideCalls = calls.slice();
  out.swaps = swaps.length;
  out.swappedCovers = contour.sheetCoversBand(sheets.layers[0][1], META, line, 300);
  out.lineKept = sheets.line === undefined ? false : sheets.line() === line;
  // 새 범위 안에서 다시 놓음 — 안 받음
  line = line.map(([x, y]) => [x + 100, y]);
  follow.poke();
  await sleep(60);
  out.againCalls = calls.length;
  // 여는 때(coveringSheets) — 덮으면 같은 것 그대로
  out.coveringSame = (await contour.coveringSheets("p", sheets)) === sheets;
  // 떠난 뒤 — 안 받음
  line = line.map(([x, y]) => [x + 3000, y]);
  follow.poke();
  follow.dispose();
  await sleep(60);
  out.disposedCalls = calls.length;
  console.log(JSON.stringify(out));
})();