import { beforeEach, describe, expect, it, vi } from "vitest";

const sessionState = vi.hoisted(() => ({
  runtimeConfigValue: { value: null },
  canAccessSuperUser: vi.fn(() => false),
  getTransactionDraftCustomerNumberConfig: vi.fn(async () => ({ data: { data: [] } })),
}));

vi.mock("@/components/session/token/SessionUser.vue", () => ({
  SessionUser: {
    runtimeConfig: {
      economic: {
        transactionDraftCustomerNumber: sessionState.runtimeConfigValue,
      },
    },
    canAccessSuperUser: sessionState.canAccessSuperUser,
    superUser: {
      modules: {
        economic: {
          config: {
            transactionDraftCustomerNumber: {
              get: sessionState.getTransactionDraftCustomerNumberConfig,
            },
          },
        },
      },
    },
  },
}));

describe("useDraftTransactionCustomer", () => {
  beforeEach(() => {
    vi.resetModules();
    sessionState.runtimeConfigValue.value = null;
    sessionState.canAccessSuperUser.mockReset();
    sessionState.canAccessSuperUser.mockReturnValue(false);
    sessionState.getTransactionDraftCustomerNumberConfig.mockReset();
    sessionState.getTransactionDraftCustomerNumberConfig.mockResolvedValue({ data: { data: [] } });
  });

  it("prefers the runtime-configured customer number when available", async () => {
    sessionState.runtimeConfigValue.value = 44556677;

    const module = await import("@/composables/useDraftTransactionCustomer.js");

    expect(module.getDraftTransactionCustomerNumber()).toBe(44556677);
    await expect(module.ensureDraftTransactionCustomerLoaded()).resolves.toBe(44556677);
    expect(sessionState.getTransactionDraftCustomerNumberConfig).not.toHaveBeenCalled();
  });

  it("falls back to the e-conomic module config when runtime config is missing", async () => {
    sessionState.canAccessSuperUser.mockReturnValue(true);
    sessionState.getTransactionDraftCustomerNumberConfig.mockResolvedValue({
      data: {
        data: [
          {
            variable: "transactionDraftCustomerNumber",
            value: 778899,
          },
        ],
      },
    });

    const module = await import("@/composables/useDraftTransactionCustomer.js");

    await expect(module.ensureDraftTransactionCustomerLoaded()).resolves.toBe(778899);
    expect(module.getDraftTransactionCustomerNumber()).toBe(778899);
  });
});