/* 215-1 종단 [자유지정] 단위검증 헬퍼 — `design_profile_free.ts` 를 그 자리에서 트랜스파일해
 * 범위 · 시작 이음 · 세로선 붙음 · 높이 변환 · 미리 보기 · 기울기 판정 · 종단곡선 · 끝 이음 ·
 * Esc · Backspace · 적용 편집을 Node 로 돌린다.
 */
const fs = require("fs");
const path = require("path");
const { makeLoader } = require("./helper_ts_stub_loader.cjs");

const ROOT = path.join(__dirname, "..", "..");
const { loadTs } = makeLoader({
  root: ROOT,
});

const free = loadTs(path.join(ROOT, "A00_Common", "design", "logic", "design_profile_free.ts"));
const align = loadTs(
  path.join(ROOT, "B05_Profile", "logic", "B05_Profile_UI_Profile_Alignment.ts"),
);

// 전체 측점 폴리라인(20m 간격 · 0~200m) — 계획고 = 지반고, 마디마다 기울기가 다르다.
const stations = Array.from({ length: 11 }, (_, i) => i * 20);
const ground = stations.map((s, i) => 100 + 0.3 * i + (i % 2 ? 0.4 : 0));
const base = {
  policy: {
    station_interval_m: 20,
    curve_radius_ratio: 1,
    curve_tangent_max_ratio: 0.5,
    curve_skip_legal_exception: false,
    default_curve_length_m: 20,
    default_curve_radius_m: 300,
    balance_tolerance_percent: 10,
    edit_step_m: 0.1,
    grade_violation_policy: "warn",
    max_grade_pct: 14,
    curve_skip_delta_pct: 0,
    paved: true,
  },
  onlyExplicitCurves: true,
  basePvi: stations.map((s, i) => ({ chainage_m: s, elevation_m: ground[i] })),
  chainage: stations,
  ground,
  stations: stations.map((s) => ({ station_id: `S${s}`, chainage_m: s })),
};

function harness() {
  let edits = align.emptyEdits();
  const log = { applied: [], closed: 0, changed: 0 };
  const draw = free.createFreeDraw({
    base: () => base,
    alignment: () => align.buildAlignment(base, edits),
    edits: () => edits,
    apply: (next) => {
      log.applied.push(next);
      edits = next;
    },
    close: () => (log.closed += 1),
    changed: () => (log.changed += 1),
  });
  return { draw, log, edits: () => edits };
}

const out = {};
const z0 = (s) => ground[stations.indexOf(s)];

// ① 높이 변환 — 세로 창(기준 + 지금 변환) 왕복 · 변환 글 읽기.
const view = { center: 100, pxPerM: 10, zero: 150, scale: 1.2, offset: -20 };
out.yAt103_2 = free.chartYAtElevation(view, 103.2);
out.zBack = free.elevationAtChartY(view, out.yAt103_2);
out.parsed = free.parseWindowTransform("translate(0 -20) scale(1 1.2)");
out.parsedNone = free.parseWindowTransform(null);

// ② 세로선 붙음 — 가장 가까운 측점 · 범위 안만.
out.snap79 = free.snapStation(stations, 79);
out.snapOutside = free.snapStation(stations, 190, [40, 160]);

// ③ 범위 → 시작 이음 → 점 → 미리 보기 → 끝 이음.
{
  const { draw, log, edits } = harness();
  draw.click(41, 0, stations); // 범위 첫 세로선(40)
  out.pendingEdges = draw.marks().edges;
  draw.click(158, 0, stations); // 범위 끝(160)
  out.rangePhase = draw.phase();
  out.band = draw.marks().band;
  draw.click(100, 105, stations); // 범위 가운데 — 시작 아님
  out.stillArmed = draw.phase();
  draw.click(43, 999, stations); // 시작 세로선 근처 — 그 측점 계획고에 이어 시작
  out.startPhase = draw.phase();
  out.startDot = draw.marks().dots[0];
  draw.click(79, 103.456, stations); // 80 에 붙고 높이는 클릭 높이(0.01 단위)
  out.point1 = draw.marks().dots[1];
  draw.click(61, 90, stations); // 뒤로 가는 클릭 — 무시
  out.dotsAfterBack = draw.marks().dots.length;
  draw.hover({ chainageM: 121, elevationM: 101.2, stations });
  out.preview = draw.marks().segments.map((s) => ({
    to: s.to,
    grade: Number(s.grade_pct.toFixed(4)),
    over: s.over,
    preview: s.preview,
  }));
  draw.hover({ chainageM: 121, elevationM: 80, stations }); // 기울기 넘음
  const steep = draw.marks().segments.at(-1);
  out.steep = { grade: Number(steep.grade_pct.toFixed(2)), over: steep.over };
  draw.click(121, 101.2, stations);
  draw.hover({ chainageM: 157, elevationM: 50, stations }); // 끝 세로선 → 그 계획고로 이음
  out.finishPreview = draw.marks().segments.at(-1).to;
  out.hint = draw.hint();
  draw.click(157, 50, stations); // 끝 세로선 근처 = 끝
  out.appliedCount = log.applied.length;
  out.closed = log.closed;
  out.afterPhase = draw.phase();
  const next = edits();
  out.offsetKeys = Object.keys(next.station_offsets).sort();
  out.radiiKeys = Object.keys(next.curve_radii).sort();
  const built = align.buildAlignment(base, next);
  const pvi = (s) => built.pvi.find((n) => Math.abs(n.chainage_m - s) < 1e-6).elevation_m;
  out.pvi = {
    40: pvi(40),
    60: pvi(60),
    80: pvi(80),
    100: pvi(100),
    120: pvi(120),
    140: pvi(140),
    160: pvi(160),
  };
  out.ground = { 40: z0(40), 160: z0(160) };
  const g1 = (103.46 - z0(40)) / 40;
  const g2 = (101.2 - 103.46) / 40;
  out.expectR80 = Number((20 / Math.abs(g2 - g1)).toFixed(6));
  out.r80 = next.curve_radii["80.000"];
  out.curve80L = built.curves.find((c) => Math.abs(c.chainage_m - 80) < 1e-6)?.l_m ?? null;
  out.outsideUntouched =
    !("20.000" in next.station_offsets) && !("180.000" in next.station_offsets);
}

// ④ Enter = 끝(마지막 점 → 끝 세로선) · 끝 세로선에서 거꾸로 시작.
{
  const { draw, log, edits } = harness();
  draw.click(40, 0, stations);
  draw.click(160, 0, stations);
  draw.click(162, 0, stations); // 끝 쪽 세로선에서 시작
  out.reverseAnchor = draw.marks().dots[0].chainage_m;
  draw.click(100, 104, stations);
  out.enter = draw.key("Enter");
  out.enterApplied = log.applied.length;
  const built = align.buildAlignment(base, edits());
  const pvi = (s) => built.pvi.find((n) => Math.abs(n.chainage_m - s) < 1e-6).elevation_m;
  out.enterPvi = { 40: pvi(40), 60: pvi(60), 100: pvi(100), 140: pvi(140), 160: pvi(160) };
}

// ⑤ Esc = 취소(편집 없음) · Backspace = 마지막 점 빼기.
{
  const { draw, log } = harness();
  draw.click(40, 0, stations);
  draw.click(160, 0, stations);
  draw.click(40, 0, stations);
  draw.click(80, 102, stations);
  draw.click(120, 103, stations);
  draw.key("Backspace");
  out.afterBackspace = draw.marks().dots.map((d) => d.chainage_m);
  draw.key("Backspace");
  draw.key("Backspace");
  out.backspaceToArmed = draw.phase();
  draw.click(40, 0, stations);
  draw.click(80, 102, stations);
  out.escape = draw.key("Escape");
  out.escApplied = log.applied.length;
  out.escClosed = log.closed;
  out.escPhase = draw.phase();
  out.escDots = draw.marks().dots.length;
  out.enterOutsideDrawing = draw.key("Enter");
}

// ⑥ 되돌리기 · 다시하기(367-3) — 점 둘 → ↶ → ↷ → 새 클릭이 ↷ 지움 · apply 안 불림 · 범위까지 거꾸로.
{
  const { draw, log } = harness();
  out.undoEmpty = { can: draw.canUndo(), backspace: draw.key("Backspace") };
  draw.click(40, 0, stations);
  draw.click(40, 0, stations); // 같은 세로선 다시 — 상태 그대로 · 안 쌓임
  draw.click(160, 0, stations);
  draw.click(40, 0, stations);
  draw.click(80, 102, stations);
  draw.click(120, 103, stations);
  const dots = () => draw.marks().dots.map((d) => d.chainage_m);
  draw.undo();
  out.undo1 = { dots: dots(), canRedo: draw.canRedo() };
  draw.redo();
  out.redo1 = { dots: dots(), canRedo: draw.canRedo() };
  draw.undo();
  draw.click(100, 104, stations); // 새 클릭 = future 비움
  out.newClick = { dots: dots(), canRedo: draw.canRedo() };
  const phases = [];
  while (draw.canUndo()) {
    draw.undo();
    phases.push(`${draw.phase()}:${draw.marks().edges.length}`);
  }
  out.undoAll = phases;
  out.undoApplied = log.applied.length;
  out.undoClosed = log.closed;
  draw.redo();
  draw.redo();
  out.redoTwice = { phase: draw.phase(), band: draw.marks().band };
  draw.reset();
  out.resetClears = { undo: draw.canUndo(), redo: draw.canRedo() };
}

// ⑦ 적용이 막히면(apply = false) 자유지정 열린 채 · 점 그대로.
{
  let tries = 0;
  const draw = free.createFreeDraw({
    base: () => base,
    alignment: () => align.buildAlignment(base, align.emptyEdits()),
    edits: () => align.emptyEdits(),
    apply: () => ((tries += 1), false),
    close: () => (tries += 100),
    changed: () => undefined,
  });
  draw.click(40, 0, stations);
  draw.click(160, 0, stations);
  draw.click(40, 0, stations);
  draw.click(80, 102, stations);
  draw.key("Enter");
  draw.click(160, 0, stations);
  out.blocked = {
    tries,
    phase: draw.phase(),
    dots: draw.marks().dots.length,
    canUndo: draw.canUndo(),
  };
}

process.stdout.write(JSON.stringify(out));