import type { ReactNode } from "react";
import { act, renderHook } from "@testing-library/react";
import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
import { beforeEach, describe, expect, it, vi } from "vitest";
import { useAddProviderMutation } from "@/lib/query/mutations";
import type { Provider } from "@/types";

const apiMocks = vi.hoisted(() => ({
  add: vi.fn(),
  ensureClaudeDesktopOfficialProvider: vi.fn(),
  getAll: vi.fn(),
  updateTrayMenu: vi.fn(),
}));

const uuidMocks = vi.hoisted(() => ({
  generateUUID: vi.fn(),
}));

vi.mock("@/lib/api", () => ({
  providersApi: {
    add: (...args: unknown[]) => apiMocks.add(...args),
    ensureClaudeDesktopOfficialProvider: (...args: unknown[]) =>
      apiMocks.ensureClaudeDesktopOfficialProvider(...args),
    getAll: (...args: unknown[]) => apiMocks.getAll(...args),
    updateTrayMenu: (...args: unknown[]) => apiMocks.updateTrayMenu(...args),
  },
  sessionsApi: {},
  settingsApi: {},
}));

vi.mock("@/utils/uuid", () => ({
  generateUUID: () => uuidMocks.generateUUID(),
}));

vi.mock("sonner", () => ({
  toast: {
    success: vi.fn(),
    error: vi.fn(),
  },
}));

function createWrapper() {
  const queryClient = new QueryClient({
    defaultOptions: {
      queries: { retry: false },
      mutations: { retry: false },
    },
  });

  const wrapper = ({ children }: { children: ReactNode }) => (
    <QueryClientProvider client={queryClient}>{children}</QueryClientProvider>
  );

  return { wrapper };
}

beforeEach(() => {
  apiMocks.add.mockReset().mockResolvedValue(true);
  apiMocks.ensureClaudeDesktopOfficialProvider
    .mockReset()
    .mockResolvedValue(true);
  apiMocks.getAll.mockReset().mockResolvedValue({});
  apiMocks.updateTrayMenu.mockReset().mockResolvedValue(true);
  uuidMocks.generateUUID.mockReset().mockReturnValue("generated-uuid");
});

describe("useAddProviderMutation", () => {
  it("duplicates Claude Desktop official providers with a fresh id", async () => {
    const { wrapper } = createWrapper();
    const { result } = renderHook(
      () => useAddProviderMutation("claude-desktop"),
      { wrapper },
    );

    const duplicatedProvider = await act(async () =>
      result.current.mutateAsync({
        name: "Claude Desktop Official copy",
        settingsConfig: { env: {} },
        category: "official",
      }),
    );

    expect(apiMocks.ensureClaudeDesktopOfficialProvider).not.toHaveBeenCalled();
    expect(apiMocks.add).toHaveBeenCalledTimes(1);
    expect(apiMocks.add).toHaveBeenCalledWith(
      expect.objectContaining({
        id: "generated-uuid",
        name: "Claude Desktop Official copy",
        category: "official",
      }),
      "claude-desktop",
      undefined,
    );
    expect(duplicatedProvider.id).toBe("generated-uuid");
    expect(duplicatedProvider.id).not.toBe("claude-desktop-official");
  });

  it("returns the persisted seed row for the Claude Desktop official preset", async () => {
    const seedProvider: Provider = {
      id: "claude-desktop-official",
      name: "Claude Desktop Official",
      settingsConfig: { env: {} },
      websiteUrl: "https://claude.ai/download",
      category: "official",
      icon: "anthropic",
      iconColor: "#D4915D",
      createdAt: 123,
    };
    apiMocks.getAll.mockResolvedValueOnce({
      "claude-desktop-official": seedProvider,
    });
    const { wrapper } = createWrapper();
    const { result } = renderHook(
      () => useAddProviderMutation("claude-desktop"),
      { wrapper },
    );

    const persistedProvider = await act(async () =>
      result.current.mutateAsync({
        name: "Renamed by form",
        settingsConfig: { env: { ignored: true } },
        websiteUrl: "https://example.invalid",
        category: "official",
        icon: "custom-icon",
        ensureClaudeDesktopOfficialSeed: true,
      }),
    );

    expect(apiMocks.ensureClaudeDesktopOfficialProvider).toHaveBeenCalledTimes(
      1,
    );
    expect(apiMocks.getAll).toHaveBeenCalledWith("claude-desktop");
    expect(apiMocks.add).not.toHaveBeenCalled();
    expect(persistedProvider).toEqual(seedProvider);
  });
});