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

// Mock the pocketbase module so getAdminPocketBase doesn't try to open a socket.
const authWithPassword = vi.fn().mockResolvedValue({ token: "mock-token" });
vi.mock("pocketbase", () => {
  // Must be a class (or function) because the production code does `new PocketBase(url)`.
  const FakePocketBase = vi.fn().mockImplementation(function () {
    return {
      collection: () => ({
        authWithPassword,
      }),
    };
  });
  return { default: FakePocketBase };
});

import { getAdminPocketBase } from "./pocketbase-admin";

describe("getAdminPocketBase", () => {
  const ORIGINAL_EMAIL = process.env.PB_ADMIN_EMAIL;
  const ORIGINAL_PASSWORD = process.env.PB_ADMIN_PASSWORD;

  beforeEach(() => {
    process.env.PB_ADMIN_EMAIL = "admin@example.com";
    process.env.PB_ADMIN_PASSWORD = "secret";
    authWithPassword.mockClear();
  });

  afterEach(() => {
    if (ORIGINAL_EMAIL === undefined) delete process.env.PB_ADMIN_EMAIL;
    else process.env.PB_ADMIN_EMAIL = ORIGINAL_EMAIL;
    if (ORIGINAL_PASSWORD === undefined) delete process.env.PB_ADMIN_PASSWORD;
    else process.env.PB_ADMIN_PASSWORD = ORIGINAL_PASSWORD;
  });

  it("returns a PocketBase instance and authenticates with the admin credentials", async () => {
    const pb = await getAdminPocketBase();
    expect(pb).toBeDefined();
    expect(authWithPassword).toHaveBeenCalledWith("admin@example.com", "secret");
  });

  it("throws a clear error when admin env vars are missing", async () => {
    delete process.env.PB_ADMIN_EMAIL;
    delete process.env.PB_ADMIN_PASSWORD;
    await expect(getAdminPocketBase()).rejects.toThrow(
      /PB_ADMIN_EMAIL and PB_ADMIN_PASSWORD are required/
    );
  });
});