import { render, screen, waitFor } from "@testing-library/react";
import userEvent from "@testing-library/user-event";
import { describe, expect, it, vi, beforeEach, afterEach } from "vitest";
import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
import { ConversationTabTitle } from "#/components/features/conversation/conversation-tabs/conversation-tab-title";
import GitService from "#/api/git-service/git-service.api";
import V1GitService from "#/api/git-service/v1-git-service.api";

// Mock the services that the hook depends on
vi.mock("#/api/git-service/git-service.api");
vi.mock("#/api/git-service/v1-git-service.api");

// Mock the hooks that useUnifiedGetGitChanges depends on
vi.mock("#/hooks/use-conversation-id", () => ({
  useConversationId: () => ({
    conversationId: "test-conversation-id",
  }),
}));

vi.mock("#/hooks/query/use-active-conversation", () => ({
  useActiveConversation: () => ({
    data: {
      conversation_version: "V0",
      url: null,
      session_api_key: null,
      selected_repository: null,
    },
  }),
}));

vi.mock("#/hooks/use-runtime-is-ready", () => ({
  useRuntimeIsReady: () => true,
}));

vi.mock("#/utils/get-git-path", () => ({
  getGitPath: () => "/workspace",
}));

describe("ConversationTabTitle", () => {
  let queryClient: QueryClient;

  beforeEach(() => {
    queryClient = new QueryClient({
      defaultOptions: {
        queries: {
          retry: false,
        },
      },
    });

    // Mock GitService methods
    vi.mocked(GitService.getGitChanges).mockResolvedValue([]);
    vi.mocked(V1GitService.getGitChanges).mockResolvedValue([]);
  });

  afterEach(() => {
    vi.clearAllMocks();
    queryClient.clear();
  });

  const renderWithProviders = (ui: React.ReactElement) => {
    return render(
      <QueryClientProvider client={queryClient}>{ui}</QueryClientProvider>,
    );
  };

  describe("Rendering", () => {
    it("should render the title", () => {
      // Arrange
      const title = "Test Title";

      // Act
      renderWithProviders(
        <ConversationTabTitle title={title} conversationKey="browser" />,
      );

      // Assert
      expect(screen.getByText(title)).toBeInTheDocument();
    });

    it("should show refresh button when conversationKey is 'editor'", () => {
      // Arrange
      const title = "Changes";

      // Act
      renderWithProviders(
        <ConversationTabTitle title={title} conversationKey="editor" />,
      );

      // Assert
      const refreshButton = screen.getByRole("button");
      expect(refreshButton).toBeInTheDocument();
    });

    it("should not show refresh button when conversationKey is not 'editor'", () => {
      // Arrange
      const title = "Browser";

      // Act
      renderWithProviders(
        <ConversationTabTitle title={title} conversationKey="browser" />,
      );

      // Assert
      expect(screen.queryByRole("button")).not.toBeInTheDocument();
    });
  });

  describe("User Interactions", () => {
    it("should call refetch and trigger GitService.getGitChanges when refresh button is clicked", async () => {
      // Arrange
      const user = userEvent.setup();
      const title = "Changes";
      const mockGitChanges: Array<{
        path: string;
        status: "M" | "A" | "D" | "R" | "U";
      }> = [
        { path: "file1.ts", status: "M" },
        { path: "file2.ts", status: "A" },
      ];

      vi.mocked(GitService.getGitChanges).mockResolvedValue(mockGitChanges);

      renderWithProviders(
        <ConversationTabTitle title={title} conversationKey="editor" />,
      );

      const refreshButton = screen.getByRole("button");

      // Wait for initial query to complete
      await waitFor(() => {
        expect(GitService.getGitChanges).toHaveBeenCalled();
      });

      // Clear the mock to track refetch calls
      vi.mocked(GitService.getGitChanges).mockClear();

      // Act
      await user.click(refreshButton);

      // Assert - refetch should trigger another service call
      await waitFor(() => {
        expect(GitService.getGitChanges).toHaveBeenCalledWith(
          "test-conversation-id",
        );
      });
    });
  });
});