import { describe, expect, it } from "vitest";
import { BOARD_CARD_STATE, cardState, LIST_BACKGROUND, openCardState } from "./modal.ts";

describe("состояние окна в истории", () => {
  it("со страницы — фон = адрес страницы, глубина 1", () => {
    expect(openCardState({ pathname: "/issues", search: "?sprint=S", state: null }))
      .toEqual({ background: { pathname: "/issues", search: "?sprint=S" }, depth: 1, direct: false });
  });
  it("из окна — тот же фон, глубина + 1, признак прямого адреса сохраняется", () => {
    const s = { background: LIST_BACKGROUND, depth: 0, direct: true };
    expect(openCardState({ pathname: "/issues/A-1", search: "", state: s })).toEqual({ background: LIST_BACKGROUND, depth: 1, direct: true });
    expect(openCardState({ pathname: "/issues/A-2", search: "", state: BOARD_CARD_STATE }))
      .toEqual({ background: { pathname: "/board", search: "" }, depth: 2, direct: false });
  });
  it("чужое или битое state — не состояние окна", () => {
    expect(cardState(null)).toBeNull();
    expect(cardState({ background: "/issues", depth: 1 })).toBeNull();
    expect(cardState({ background: { pathname: "/issues", search: "" }, depth: "1" })).toBeNull();
    expect(cardState({ background: { pathname: "/issues", search: "" }, depth: 1 }))
      .toEqual({ background: { pathname: "/issues", search: "" }, depth: 1, direct: false });
  });
  it("глубина — только целое неотрицательное, иначе 0", () => {
    const bg = { pathname: "/issues", search: "" };
    for (const depth of [-1, 1.5, NaN, Infinity]) expect(cardState({ background: bg, depth })?.depth).toBe(0);
    expect(cardState({ background: bg, depth: 3 })?.depth).toBe(3);
  });
});