import { test, expect } from "@playwright/test";
import { DashboardPage } from "../pages/DashboardPage";

const MOCK_TOKEN = "mock-jwt-token";

const MOCK_USER = { id: 1, username: "admin", role: "admin" };

const MOCK_SERVERS = [
  {
    id: 1,
    name: "A3Master",
    game_type: "arma3",
    status: "running",
    port: 2302,
    max_players: 64,
    current_players: 32,
    restart_count: 2,
    auto_restart: true,
    created_at: "2026-01-01T00:00:00Z",
  },
  {
    id: 2,
    name: "Arma3 Test Server",
    game_type: "arma3",
    status: "stopped",
    port: 2303,
    max_players: 32,
    current_players: 0,
    restart_count: 0,
    auto_restart: false,
    created_at: "2026-01-02T00:00:00Z",
  },
];

/**
 * Set up auth + mock all API calls the dashboard needs.
 * IMPORTANT: Playwright checks routes in reverse registration order (last registered = first checked).
 * So we register the catch-all FIRST, then specific routes AFTER so they take priority.
 */
async function setupDashboardMocks(page: import("@playwright/test").Page, servers = MOCK_SERVERS) {
  // Set mock auth state in localStorage for both:
  // 1) The Zustand persist store (key: languard-auth) so ProtectedLayout sees isAuthenticated: true
  // 2) The raw token (key: languard_token) so the Axios interceptor adds the Bearer header
  await page.addInitScript(({ token, user }) => {
    localStorage.setItem("languard_token", token);
    localStorage.setItem(
      "languard-auth",
      JSON.stringify({ state: { token, user }, version: 0 }),
    );
  }, { token: MOCK_TOKEN, user: MOCK_USER });

  // Catch-all for unhandled API calls — register FIRST so it has lowest priority
  await page.route("**/api/**", (route) =>
    route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify({ success: true, data: null, error: null }),
    }),
  );

  // Specific routes — register AFTER catch-all so they take priority
  await page.route("**/api/auth/me", (route) =>
    route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify({ success: true, data: MOCK_USER, error: null }),
    }),
  );

  await page.route("**/api/servers**", (route) =>
    route.fulfill({
      status: 200,
      contentType: "application/json",
      body: JSON.stringify({ success: true, data: servers, error: null }),
    }),
  );
}

test.describe("Dashboard", () => {
  let dashboardPage: DashboardPage;

  test.beforeEach(async ({ page }) => {
    await setupDashboardMocks(page);
    dashboardPage = new DashboardPage(page);
    await dashboardPage.goto();
  });

  test("should display dashboard header", async () => {
    await expect(dashboardPage.content).toBeVisible({ timeout: 10_000 });
    await expect(dashboardPage.content.locator("h1")).toContainText("Dashboard");
  });

  test("should show server count", async () => {
    await expect(dashboardPage.content).toBeVisible({ timeout: 10_000 });
    await expect(dashboardPage.content.locator("text=2 servers configured")).toBeVisible();
  });

  test("should render server cards", async () => {
    await expect(dashboardPage.serverCards.first()).toBeVisible({ timeout: 10_000 });
    const count = await dashboardPage.getServerCount();
    expect(count).toBe(2);
  });

  test("should display server names in cards", async () => {
    await expect(dashboardPage.serverCards.first()).toBeVisible({ timeout: 10_000 });
    const name = await dashboardPage.getServerCardName(0);
    expect(name).toContain("A3Master");
  });

  test("should show Add Server button", async () => {
    await expect(dashboardPage.content).toBeVisible({ timeout: 10_000 });
    await expect(dashboardPage.addServerButton).toBeVisible();
    await expect(dashboardPage.addServerButton).toContainText("Add Server");
  });

  test("should show sidebar with server list", async () => {
    await expect(dashboardPage.sidebar).toBeVisible({ timeout: 10_000 });
    await expect(dashboardPage.sidebar.locator("text=Servers")).toBeVisible();
    await expect(dashboardPage.sidebar.locator("text=A3Master")).toBeVisible();
  });

  test("should show Stop button for running server", async () => {
    await expect(dashboardPage.serverCards.first()).toBeVisible({ timeout: 10_000 });
    const firstCard = dashboardPage.serverCards.nth(0);
    await expect(firstCard.locator('button[aria-label^="Stop"]')).toBeVisible();
  });

  test("should show Start button for stopped server", async () => {
    await expect(dashboardPage.serverCards.nth(1)).toBeVisible({ timeout: 10_000 });
    const secondCard = dashboardPage.serverCards.nth(1);
    await expect(secondCard.locator('button[aria-label^="Start"]')).toBeVisible();
  });

  test("should display player count in server card", async () => {
    await expect(dashboardPage.serverCards.first()).toBeVisible({ timeout: 10_000 });
    const firstCard = dashboardPage.serverCards.nth(0);
    await expect(firstCard.locator("text=32/64")).toBeVisible();
  });

  test("should navigate to server detail on card click", async ({ page }) => {
    await expect(dashboardPage.serverCards.first()).toBeVisible({ timeout: 10_000 });
    // Click the server card link (not the sidebar link) — use .first() to avoid strict mode
    const serverLink = page.locator('[data-testid="dashboard-content"] a[href="/servers/1"]');
    await serverLink.click();
    await expect(page).toHaveURL(/\/servers\/1/, { timeout: 5_000 });
  });
});

test.describe("Dashboard - Empty State", () => {
  test("should show empty state when no servers", async ({ page }) => {
    await page.addInitScript(({ token, user }) => {
      localStorage.setItem("languard_token", token);
      localStorage.setItem(
        "languard-auth",
        JSON.stringify({ state: { token, user }, version: 0 }),
      );
    }, { token: MOCK_TOKEN, user: MOCK_USER });

    // Catch-all first (lowest priority)
    await page.route("**/api/**", (route) =>
      route.fulfill({
        status: 200,
        contentType: "application/json",
        body: JSON.stringify({ success: true, data: null, error: null }),
      }),
    );

    // Specific routes after (higher priority)
    await page.route("**/api/auth/me", (route) =>
      route.fulfill({
        status: 200,
        contentType: "application/json",
        body: JSON.stringify({ success: true, data: MOCK_USER, error: null }),
      }),
    );

    await page.route("**/api/servers**", (route) =>
      route.fulfill({
        status: 200,
        contentType: "application/json",
        body: JSON.stringify({ success: true, data: [], error: null }),
      }),
    );

    const dashboardPage = new DashboardPage(page);
    await dashboardPage.goto();

    await expect(dashboardPage.emptyState).toBeVisible({ timeout: 10_000 });
    await expect(dashboardPage.emptyState.locator("text=No servers configured yet")).toBeVisible();
  });
});

test.describe("Dashboard - Error State", () => {
  test("should show error state when API fails", async ({ page }) => {
    await page.addInitScript(({ token, user }) => {
      localStorage.setItem("languard_token", token);
      localStorage.setItem(
        "languard-auth",
        JSON.stringify({ state: { token, user }, version: 0 }),
      );
    }, { token: MOCK_TOKEN, user: MOCK_USER });

    // Catch-all first (lowest priority)
    await page.route("**/api/**", (route) =>
      route.fulfill({
        status: 200,
        contentType: "application/json",
        body: JSON.stringify({ success: true, data: null, error: null }),
      }),
    );

    // Specific routes after (higher priority)
    await page.route("**/api/auth/me", (route) =>
      route.fulfill({
        status: 200,
        contentType: "application/json",
        body: JSON.stringify({ success: true, data: MOCK_USER, error: null }),
      }),
    );

    await page.route("**/api/servers**", (route) =>
      route.fulfill({
        status: 500,
        contentType: "application/json",
        body: JSON.stringify({ success: false, error: "Internal Server Error" }),
      }),
    );

    const dashboardPage = new DashboardPage(page);
    await dashboardPage.goto();

    await expect(dashboardPage.errorMessage).toBeVisible({ timeout: 15_000 });
  });
});