/**
 * 506-3 다 — CAD 되돌리기 두 흠.
 *   6-f 특성 판 색 끌기 = 끄는 동안 화면만 · 멎은 뒤 되돌리기 한 칸(리본 색 칸과 같은 `paintNowCommitLater`).
 *   6-g LAYMRG = 사본으로 갈아 끼움 → Ctrl+Z 한 번에 옛 층.
 * 실행: cd B07_DesignDetail/openwebcad && npx vitest run --config vitest.tmp.config.ts undo-506-3
 */
import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";

vi.mock("react-toastify", () => ({
  toast: Object.assign(vi.fn(), { error: vi.fn(), info: vi.fn(), warn: vi.fn(), success: vi.fn() }),
}));

import {
  paintNowCommitLater,
  styleTargets,
} from "../../../B07_DesignDetail/openwebcad/src/helpers/selection-style";
import {
  getSelectedEntities,
  resetUndoBaseline,
  setActiveLayerId,
  setLayers,
  setSelectedEntityIds,
  undo,
} from "../../../B07_DesignDetail/openwebcad/src/state";
import { click, entities, initIdle, key, type } from "./helpers/cad-drive";

const layer = (id: string) => ({ id, name: id, isVisible: true, isLocked: false });
const line = (a: string, b: string) => {
  type("l");
  type(a);
  type(b);
  key("Escape");
};

beforeEach(() => {
  initIdle();
  setLayers([layer("A"), layer("B")]);
  setActiveLayerId("A");
});
afterEach(() => vi.useRealTimers());

describe("6-f 특성 판 색 끌기", () => {
  it("끄는 동안 다섯 번 = 되돌리기 한 칸 · Ctrl+Z 한 번에 옛 색", () => {
    line("0,0", "20,0");
    const before = entities()[0].lineColor;
    resetUndoBaseline();
    setSelectedEntityIds([entities()[0].id]);
    vi.useFakeTimers();
    for (const color of ["#110000", "#220000", "#330000", "#440000", "#550000"]) {
      paintNowCommitLater(styleTargets(getSelectedEntities()), (entity) => {
        entity.lineColor = color;
      });
      vi.advanceTimersByTime(50); // 끄는 중(멎기 전)
    }
    expect(entities()[0].lineColor).toBe("#550000");
    vi.advanceTimersByTime(400); // 멎음 → 한 칸
    undo();
    expect(entities()[0].lineColor).toBe(before);
  });
});

describe("6-g LAYMRG", () => {
  it("병합 뒤 Ctrl+Z 한 번 = 옛 층", () => {
    line("0,0", "20,0");
    setActiveLayerId("B");
    line("0,50", "20,50");
    resetUndoBaseline();
    const [onA, onB] = entities();
    expect([onA.layerId, onB.layerId]).toEqual(["A", "B"]);
    type("laymrg");
    click(10, 0);
    click(10, 50);
    expect(entities().map((entity) => entity.layerId)).toEqual(["B", "B"]);
    undo();
    expect(entities().map((entity) => entity.layerId)).toEqual(["A", "B"]);
  });
});