import { afterEach, describe, expect, it, jest } from "@jest/globals";
import { flushPromises, mount, shallowMount } from "@vue/test-utils";
import { nextTick } from "vue";

import axios from "axios";

import App from "../../../frontend/src/App.vue";
import HeroSection from "../../../frontend/src/components/HeroSection.vue";
import MetricsPanel from "../../../frontend/src/components/MetricsPanel.vue";
import TopBar from "../../../frontend/src/components/TopBar.vue";
import { auth } from "../../../frontend/src/auth.js";
import AboutView from "../../../frontend/src/views/AboutView.vue";
import AiPlanView from "../../../frontend/src/views/AiPlanView.vue";
import AppsView from "../../../frontend/src/views/AppsView.vue";
import MoneroView from "../../../frontend/src/views/MoneroView.vue";

jest.mock("axios", () => ({
  __esModule: true,
  default: {
    get: jest.fn(),
  },
}), { virtual: true });

jest.mock("vue-router", () => ({
  RouterLink: {
    name: "RouterLink",
    props: ["to"],
    template: "<a :href=\"typeof to === 'string' ? to : '#'\" @click=\"$emit('click', $event)\"><slot /></a>",
  },
}), { virtual: true });

describe("static shell views and components", () => {
  afterEach(() => {
    jest.restoreAllMocks();
    jest.useRealTimers();
    document.body.style.overflow = "";
    auth.enabled = false;
    auth.ready = false;
    auth.authenticated = false;
    auth.resetUrl = "";
  });

  it("renders the simple static pages", () => {
    const about = shallowMount(AboutView);
    expect(about.text()).toContain("About Me");
    expect(about.text()).toContain("Titan Lab");
    expect(about.text()).toContain("DevOps Automation Engineer / Senior SDET");
    expect(about.text()).toContain("Kubernetes");
    expect(about.text()).toContain("IBM Cloud");
    expect(about.text()).toContain("TradeHat");
    expect(about.find("a[href='https://www.tradehat.com/']").exists()).toBe(true);
    expect(about.find("a[href='https://www.unifocus.com/']").exists()).toBe(true);
    expect(about.find("a[href='https://scm.bstein.dev/bstein/titan-iac']").exists()).toBe(true);

    const apps = shallowMount(AppsView);
    expect(apps.text()).toContain("Apps");
    expect(apps.text()).toContain("Nextcloud");
    expect(apps.vm.sections.map((section) => section.title)).toContain("Security");
    const appLinks = apps.vm.sections.flatMap((section) => section.groups.flatMap((group) => group.apps));
    expect(appLinks.find((app) => app.name === "AI Chat")).toMatchObject({
      url: "https://bstein.dev/ai/chat",
      target: "_blank",
    });
    expect(appLinks.find((app) => app.name === "Monero Node")).toMatchObject({
      url: "https://bstein.dev/monero",
      target: "_blank",
    });

    const aiPlan = shallowMount(AiPlanView);
    expect(aiPlan.text()).toContain("Roadmap");
    expect(aiPlan.text()).toContain("AI Image");
  });

  it("renders hero and metrics panels with status variants", () => {
    const loadingHero = shallowMount(HeroSection, {
      props: {
        title: "Atlas",
        subtitle: "Homelab",
        links: [{ label: "Metrics", href: "https://metrics.example.dev" }],
        loading: true,
        error: "",
      },
    });
    expect(loadingHero.text()).toContain("Loading live data");

    const errorHero = shallowMount(HeroSection, {
      props: { title: "Atlas", subtitle: "Homelab", links: [], loading: false, error: "offline" },
    });
    expect(errorHero.text()).toContain("offline");

    const connectedHero = shallowMount(HeroSection, {
      props: { title: "Atlas", subtitle: "Homelab", links: [], loading: false, error: "" },
    });
    expect(connectedHero.text()).toContain("Live data connected");

    const metrics = shallowMount(MetricsPanel, {
      props: {
        metrics: {
          dashboard: "https://metrics.example.dev/d/atlas",
          description: "Live Atlas metrics",
        },
      },
    });
    expect(metrics.find("iframe").attributes("src")).toBe("https://metrics.example.dev/d/atlas");
    expect(metrics.text()).toContain("Live Atlas metrics");
  });

  it("drives top bar navigation and auth state rendering", async () => {
    global.fetch = jest.fn(async (resource) => {
      const url = typeof resource === "string" ? resource : resource?.url || "";
      if (url.includes("/api/account/member-state")) {
        return new Response(JSON.stringify({ status: "ready", dashboard_url: "/apps", account_url: "/account" }), {
          status: 200,
          headers: { "content-type": "application/json" },
        });
      }
      return new Response("{}", { status: 200, headers: { "content-type": "application/json" } });
    });
    auth.enabled = true;
    auth.ready = true;
    auth.authenticated = false;
    auth.resetUrl = "https://sso.example.dev/reset";
    const authModule = await import("../../../frontend/src/auth.js");
    const logout = jest.spyOn(authModule, "logout").mockImplementation(() => {});
    jest.spyOn(authModule, "login").mockImplementation(() => {});

    const target = document.createElement("div");
    document.body.appendChild(target);
    const wrapper = mount(TopBar, { attachTo: target });

    try {
      expect(wrapper.text()).toContain("Contact");
      expect(wrapper.text()).toContain("Login");
      expect(wrapper.text()).toContain("Register");
      expect(wrapper.text()).not.toContain("Reset Password");
      expect(wrapper.find("a[href='/#contact']").exists()).toBe(true);

      await wrapper.find("button.menu-toggle").trigger("click");
      const nav = wrapper.find("nav");
      expect(nav.classes()).toContain("open");
      const navItems = () => Array.from(nav.element.querySelectorAll("a[href], button:not([disabled])"));
      navItems()[0].focus();
      nav.element.dispatchEvent(new KeyboardEvent("keydown", { key: "Tab", shiftKey: true, bubbles: true, cancelable: true }));
      await nextTick();
      expect(document.activeElement).toBe(navItems().at(-1));

      navItems().at(-1).focus();
      nav.element.dispatchEvent(new KeyboardEvent("keydown", { key: "Tab", bubbles: true, cancelable: true }));
      await nextTick();
      expect(document.activeElement).toBe(navItems()[0]);

      nav.element.dispatchEvent(new KeyboardEvent("keydown", { key: "Escape", bubbles: true }));
      await nextTick();
      expect(nav.classes()).not.toContain("open");
      expect(document.activeElement).toBe(wrapper.find("button.menu-toggle").element);

      await wrapper.find("button.menu-toggle").trigger("click");
      expect(nav.classes()).toContain("open");
      window.dispatchEvent(new KeyboardEvent("keydown", { key: "Escape" }));
      await nextTick();
      expect(nav.classes()).not.toContain("open");

      await wrapper.find("button.menu-toggle").trigger("click");
      await wrapper.find("a[href='/#contact']").trigger("click");
      expect(nav.classes()).not.toContain("open");

      auth.authenticated = true;
      await flushPromises();
      expect(wrapper.text()).toContain("Account");
      expect(wrapper.text()).toContain("Open Services");
      await wrapper.findAll("button.button").at(-1).trigger("click");
      expect(logout).toHaveBeenCalled();
    } finally {
      wrapper.unmount();
      target.remove();
    }
  });

  it("loads Monero status and handles API failures", async () => {
    axios.get.mockResolvedValueOnce({
      data: { nettype: "mainnet", status: "OK", height: 123, target_height: 125 },
    });
    const ok = mount(MoneroView);
    await flushPromises();
    expect(ok.text()).toContain("mainnet");
    expect(ok.text()).toContain("123");

    axios.get.mockRejectedValueOnce(new Error("offline"));
    const failed = mount(MoneroView);
    await flushPromises();
    expect(failed.text()).toContain("Could not reach monerod");
  });

  it("refreshes the app shell status and handles fetch failures", async () => {
    jest.useFakeTimers();
    jest.spyOn(window, "setTimeout");
    jest.spyOn(window, "clearTimeout");
    global.fetch = jest.fn(async () =>
      new Response(JSON.stringify({ connected: true, atlas: { up: true } }), {
        status: 200,
        headers: { "content-type": "application/json" },
      }),
    );

    const app = mount(App, {
      global: {
        stubs: {
          TopBar: true,
          "router-view": {
            props: ["labStatus", "loading", "error"],
            template: "<div class=\"route-stub\">{{ loading }} {{ error }} {{ labStatus?.connected }}</div>",
          },
        },
      },
    });
    await flushPromises();
    expect(app.text()).toContain("true");
    expect(global.fetch).toHaveBeenCalledWith(
      expect.stringMatching(/^\/api\/lab\/status\?ts=\d+$/),
      expect.objectContaining({
        cache: "no-store",
        headers: { Accept: "application/json" },
      }),
    );

    await app.unmount();

    global.fetch = jest.fn(async () => {
      const err = new Error("aborted");
      err.name = "AbortError";
      throw err;
    });
    const failed = mount(App, {
      global: {
        stubs: {
          TopBar: true,
          "router-view": {
            props: ["labStatus", "loading", "error"],
            template: "<div class=\"route-stub\">{{ loading }} {{ error }}</div>",
          },
        },
      },
    });
    await flushPromises();
    expect(failed.text()).toContain("Live data timed out");
  });
});