import { beforeEach, describe, expect, it, vi } from "vitest";
import type { WorkOrderTableRow } from "@/domain/work-orders/types/work-order-table-row";
import { BOARD_SEARCH_MAX_PAGE_SIZE } from "@/domain/work-orders/utils/board-query-params";

const searchBoard = vi.fn();

vi.mock("@/domain/work-orders/api/work-orders-api", () => ({
  workOrdersApi: {
    searchBoard: (...args: unknown[]) => searchBoard(...args),
  },
}));

import { fetchUnassignedBoardPage } from "@/domain/work-orders/api/fetch-unassigned-board-rows";

function pageResult(items: Pick<WorkOrderTableRow, "id">[], totalCount: number, page = 0) {
  return {
    items,
    scheduled: [],
    unscheduled: [],
    totalCount,
    returnedCount: items.length,
    page,
    pageSize: BOARD_SEARCH_MAX_PAGE_SIZE,
  };
}

describe("fetchUnassignedBoardPage", () => {
  beforeEach(() => {
    searchBoard.mockReset();
  });

  it("fetches a single search page instead of exhausting totalCount", async () => {
    const first = Array.from({ length: 50 }, (_, index) => ({ id: `a-${index}` }));
    searchBoard.mockResolvedValueOnce(pageResult(first, 1778, 0));

    const result = await fetchUnassignedBoardPage(0, 50);

    expect(searchBoard).toHaveBeenCalledTimes(1);
    expect(searchBoard.mock.calls[0]?.[0]).toMatchObject({
      page: 0,
      pageSize: 50,
      dispatchers: ["__unassigned__"],
      datePreset: "Custom",
    });
    expect(result.items).toHaveLength(50);
    expect(result.totalCount).toBe(1778);
  });
});