import { cleanup, fireEvent, render, screen } from "@testing-library/react";
import { createElement } from "react";
import { afterEach, describe, expect, it, vi } from "vitest";
import {
  IntegrationsMenu,
  IntegrationsTopbarLinks,
  MobileIntegrationsSection,
} from "./integrations-menu";
import { pluginRegistry } from "@/lib/plugins/registry";
import type { NavItem } from "@/lib/plugins/types";
import type { GitHubStatus } from "@/lib/types/github";
import { TooltipProvider } from "@kandev/ui/tooltip";

const useGitHubStatusMock = vi.hoisted(() => vi.fn());
const useGitLabAvailableMock = vi.hoisted(() => vi.fn());
const useJiraAuthedMock = vi.hoisted(() => vi.fn());
const useLinearAuthedMock = vi.hoisted(() => vi.fn());
const activeWorkspaceRef = vi.hoisted(() => ({
  id: null as string | null,
  items: [] as Array<{ id: string }>,
}));

vi.mock("@/hooks/domains/github/use-github-status", () => ({
  useGitHubStatus: useGitHubStatusMock,
}));

vi.mock("@/hooks/domains/gitlab/use-task-mr", () => ({
  useGitLabAvailable: useGitLabAvailableMock,
}));

vi.mock("@/hooks/domains/jira/use-jira-availability", () => ({
  useJiraAuthed: useJiraAuthedMock,
}));

vi.mock("@/hooks/domains/linear/use-linear-availability", () => ({
  useLinearAuthed: useLinearAuthedMock,
}));

// useNavAvailability now also folds in each integration's per-workspace
// enabled toggle plus the "hide disabled" nav setting. This suite never
// exercises that decoupling (see hooks/use-nav-availability.test.ts for
// that) — every enabled hook here defaults to `true` and the hide-disabled
// setting to `false`, reproducing the pre-existing "enabled && authed"
// visibility these tests already assert on.
function enabledStub() {
  return { enabled: true, setEnabled: () => {}, loaded: true };
}
vi.mock("@/hooks/domains/azure-devops/use-azure-devops-enabled", () => ({
  useAzureDevOpsEnabled: enabledStub,
}));
vi.mock("@/hooks/domains/github/use-github-enabled", () => ({
  useGitHubEnabled: enabledStub,
}));
vi.mock("@/hooks/domains/gitlab/use-gitlab-enabled", () => ({
  useGitLabEnabled: enabledStub,
}));
vi.mock("@/hooks/domains/jira/use-jira-enabled", () => ({
  useJiraEnabled: enabledStub,
}));
vi.mock("@/hooks/domains/linear/use-linear-enabled", () => ({
  useLinearEnabled: enabledStub,
}));
vi.mock("@/hooks/domains/integrations/use-hide-disabled-integrations-in-nav", () => ({
  useHideDisabledIntegrationsInNav: () => ({ hideDisabled: false, setHideDisabled: () => {} }),
}));

vi.mock("@/components/state-provider", () => ({
  useAppStore: (
    selector: (state: {
      workspaces: { activeId: string | null; items: Array<{ id: string }> };
      // The navigation manifest resolves hrefs against the active mode, so
      // `useInOffice` (and through it `useFeature`) now runs in this tree.
      features: Record<string, boolean>;
    }) => unknown,
  ) =>
    selector({
      workspaces: { activeId: activeWorkspaceRef.id, items: activeWorkspaceRef.items },
      features: { office: false },
    }),
}));

function status(overrides: Partial<GitHubStatus>): GitHubStatus {
  return {
    authenticated: false,
    username: "",
    auth_method: "none",
    token_configured: false,
    required_scopes: [],
    ...overrides,
  };
}

function mockAvailability({
  githubReady,
  gitlabReady = false,
  jiraConfigured,
  linearConfigured,
}: {
  githubReady: boolean;
  gitlabReady?: boolean;
  jiraConfigured: boolean;
  linearConfigured: boolean;
}) {
  useGitHubStatusMock.mockReturnValue({
    status: githubReady ? status({ token_configured: true }) : status({}),
    loading: false,
  });
  useGitLabAvailableMock.mockReturnValue(gitlabReady);
  useJiraAuthedMock.mockReturnValue(jiraConfigured);
  useLinearAuthedMock.mockReturnValue(linearConfigured);
}

afterEach(() => {
  cleanup();
  vi.clearAllMocks();
  activeWorkspaceRef.id = null;
  activeWorkspaceRef.items = [];
});

// `getGitHubIntegrationStatus` now lives in `hooks/use-nav-availability` with the
// rest of the manifest's availability gating, and the link table moved into
// `lib/navigation/`. Their unit coverage moved with them — see
// `hooks/use-nav-availability.test.ts` and `lib/navigation/*.test.ts`.

describe("IntegrationsMenu", () => {
  it("opens configured integration links on hover", async () => {
    mockAvailability({ githubReady: true, jiraConfigured: true, linearConfigured: false });

    render(createElement(IntegrationsMenu, {}));

    const trigger = screen.getByRole("button", { name: "Integrations" });
    expect(screen.queryByText("GitHub")).toBeNull();

    fireEvent.pointerEnter(trigger);

    expect(await screen.findByText("GitHub")).toBeTruthy();
    expect(screen.getByText("Jira")).toBeTruthy();
    expect(screen.queryByText("Linear")).toBeNull();
  });

  it("does not render when no integrations are configured", () => {
    mockAvailability({ githubReady: false, jiraConfigured: false, linearConfigured: false });

    render(createElement(IntegrationsMenu, {}));

    expect(screen.queryByRole("button", { name: "Integrations" })).toBeNull();
  });

  it("passes the active workspace id to the per-workspace availability hooks", () => {
    activeWorkspaceRef.id = "ws-active";
    activeWorkspaceRef.items = [{ id: "ws-active" }];
    mockAvailability({ githubReady: true, jiraConfigured: true, linearConfigured: true });

    render(createElement(IntegrationsMenu, {}));

    // Jira and Linear are per-workspace: they must be scoped to the active
    // workspace so the sidebar reflects the workspace the user is viewing.
    expect(useJiraAuthedMock).toHaveBeenCalledWith("ws-active");
    expect(useLinearAuthedMock).toHaveBeenCalledWith("ws-active");
  });

  it("falls back to null scope when the active workspace id is stale", () => {
    // The active workspace was removed but activeId was not reconciled. Scoping
    // to the deleted id would hide the links; fall back to null instead so the
    // backend's default-workspace resolution applies.
    activeWorkspaceRef.id = "ws-deleted";
    activeWorkspaceRef.items = [{ id: "ws-remaining" }];
    mockAvailability({ githubReady: false, jiraConfigured: true, linearConfigured: true });

    render(createElement(IntegrationsMenu, {}));

    expect(useJiraAuthedMock).toHaveBeenCalledWith(null);
    expect(useLinearAuthedMock).toHaveBeenCalledWith(null);
  });
});

function renderWithTooltip(component: Parameters<typeof render>[0]) {
  // eslint-disable-next-line @typescript-eslint/no-explicit-any -- TooltipProvider requires children in its type but createElement passes them as 3rd arg
  return render(createElement(TooltipProvider, {} as any, component));
}

describe("IntegrationsTopbarLinks", () => {
  it("renders an icon link for each configured integration", () => {
    mockAvailability({ githubReady: true, jiraConfigured: false, linearConfigured: true });

    renderWithTooltip(createElement(IntegrationsTopbarLinks, {}));

    const githubLink = screen.getByRole("link", { name: "GitHub" });
    const linearLink = screen.getByRole("link", { name: "Linear" });
    expect(githubLink.getAttribute("href")).toBe("/github");
    expect(linearLink.getAttribute("href")).toBe("/linear");
    expect(screen.queryByRole("link", { name: "Jira" })).toBeNull();
  });

  it("renders nothing when no integrations are configured", () => {
    mockAvailability({ githubReady: false, jiraConfigured: false, linearConfigured: false });

    const { container } = renderWithTooltip(createElement(IntegrationsTopbarLinks, {}));
    expect(container.firstChild).toBeNull();
  });
});

describe("MobileIntegrationsSection", () => {
  const HELLO_LABEL = "Hello Integration";
  const HELLO_PATH = "/plugins/hello";

  // Track every plugin registered through this suite so the singleton
  // pluginRegistry is fully cleared after each test — a new test adding a new
  // plugin id can't leak nav items into the ones that follow.
  const registeredPluginIds: string[] = [];

  function registerNavItem(pluginId: string, item: NavItem) {
    registeredPluginIds.push(pluginId);
    pluginRegistry.forPlugin(pluginId).registerNavItem(item);
  }

  function registerHelloIntegrationItem() {
    registerNavItem("plugin-a", {
      id: "hello",
      label: HELLO_LABEL,
      path: HELLO_PATH,
      section: "integrations",
    });
  }

  afterEach(() => {
    for (const id of registeredPluginIds) pluginRegistry.unregisterPlugin(id);
    registeredPluginIds.length = 0;
  });

  function renderMobileSection(onNavigate = vi.fn()) {
    return {
      onNavigate,
      ...render(createElement(MobileIntegrationsSection, { onNavigate })),
    };
  }

  it("renders a touch row for each configured first-party link and closes the sheet on click", () => {
    mockAvailability({ githubReady: true, jiraConfigured: false, linearConfigured: true });

    const { onNavigate } = renderMobileSection();

    const githubLink = screen.getByRole("link", { name: "GitHub" });
    expect(githubLink.getAttribute("href")).toBe("/github");
    expect(screen.getByRole("link", { name: "Linear" }).getAttribute("href")).toBe("/linear");
    expect(screen.queryByRole("link", { name: "Jira" })).toBeNull();

    fireEvent.click(githubLink);
    expect(onNavigate).toHaveBeenCalledTimes(1);
  });

  it("renders plugin nav items targeting the integrations section, gated on the plugins flag", () => {
    mockAvailability({ githubReady: false, jiraConfigured: false, linearConfigured: false });
    registerHelloIntegrationItem();
    registerNavItem("plugin-b", {
      id: "main-item",
      label: "Main Item",
      path: "/plugins/main",
      section: "main",
    });

    renderMobileSection();

    const pluginLink = screen.getByTestId("plugin-nav-item-hello");
    expect(pluginLink.getAttribute("href")).toBe(HELLO_PATH);
    expect(screen.getByText(HELLO_LABEL)).toBeTruthy();
    // A "main" section plugin item belongs to the top-level nav, not here.
    expect(screen.queryByTestId("plugin-nav-item-main-item")).toBeNull();
  });

  it("renders when only plugin items exist and no first-party links are configured", () => {
    mockAvailability({ githubReady: false, jiraConfigured: false, linearConfigured: false });
    registerHelloIntegrationItem();

    renderMobileSection();

    expect(screen.getByText("Integrations")).toBeTruthy();
    expect(screen.getByTestId("plugin-nav-item-hello")).toBeTruthy();
  });

  it("renders nothing when there are no links and no plugin items", () => {
    mockAvailability({ githubReady: false, jiraConfigured: false, linearConfigured: false });

    const { container } = renderMobileSection();

    expect(container.firstChild).toBeNull();
  });
});