import { test, expect } from '@playwright/test';

test.describe('Real-Time Updates (LiveView)', () => {
  test.describe('Dashboard Live Updates', () => {
    test('dashboard loads and displays initial data', async ({ page }) => {
      await page.goto('/dashboard');

      await expect(page).toHaveURL(/\/dashboard/);
      await expect(page.locator('body')).toBeVisible();
    });

    test('shows live status indicators', async ({ page }) => {
      await page.goto('/dashboard');

      // Look for status indicators that update in real-time
      const statusIndicator = page.locator(
        '[data-status], .status, :has-text("Online"), :has-text("Offline")'
      ).first();

      if (await statusIndicator.isVisible({ timeout: 2000 }).catch(() => false)) {
        await expect(statusIndicator).toBeVisible();
      }
    });

    test('shows device count that updates live', async ({ page }) => {
      await page.goto('/dashboard');

      const deviceCount = page.locator(
        '[data-count], :has-text("device"), .metric'
      ).first();

      if (await deviceCount.isVisible({ timeout: 2000 }).catch(() => false)) {
        await expect(deviceCount).toBeVisible();
      }
    });

    test('shows alert count that updates live', async ({ page }) => {
      await page.goto('/dashboard');

      const alertCount = page.locator(
        '[data-alert-count], :has-text("alert"), .badge'
      ).first();

      if (await alertCount.isVisible({ timeout: 2000 }).catch(() => false)) {
        await expect(alertCount).toBeVisible();
      }
    });
  });

  test.describe('Device List Live Updates', () => {
    test('device list shows live status changes', async ({ page }) => {
      await page.goto('/devices');

      // Wait a moment for any live updates
      await page.waitForTimeout(1000);

      // Status indicators should be present
      const statusIndicators = page.locator('[data-status], .status');

      if ((await statusIndicators.count()) > 0) {
        await expect(statusIndicators.first()).toBeVisible();
      }
    });

    test('last seen timestamps update automatically', async ({ page }) => {
      await page.goto('/devices');

      const timestamp = page.locator('time, :has-text("ago")').first();

      if (await timestamp.isVisible({ timeout: 2000 }).catch(() => false)) {
        await expect(timestamp).toBeVisible();
      }
    });
  });

  test.describe('Alert List Live Updates', () => {
    test('new alerts appear automatically', async ({ page }) => {
      await page.goto('/alerts');

      // Page should be connected to live updates
      await expect(page.locator('body')).toBeVisible();

      // Look for LiveView attributes
      const liveView = page.locator('[data-phx-main]');

      if (await liveView.isVisible({ timeout: 2000 }).catch(() => false)) {
        await expect(liveView).toBeVisible();
      }
    });

    test('alert status updates in real-time', async ({ page }) => {
      await page.goto('/alerts');

      // Alert statuses should be visible
      const alertStatus = page.locator(
        '[data-alert], .alert-item, tr:not(:has(th))'
      ).first();

      if (await alertStatus.isVisible({ timeout: 2000 }).catch(() => false)) {
        await expect(alertStatus).toBeVisible();
      }
    });
  });

  test.describe('Live Connection Status', () => {
    test('shows connection indicator when connected', async ({ page }) => {
      await page.goto('/dashboard');

      // Look for connection status indicator
      const connectionStatus = page.locator(
        '[data-connection], :has-text("Connected"), .connection-status'
      ).first();

      if (await connectionStatus.isVisible({ timeout: 2000 }).catch(() => false)) {
        await expect(connectionStatus).toBeVisible();
      }
    });

    test('handles reconnection gracefully', async ({ page }) => {
      await page.goto('/dashboard');

      // Page should handle network issues gracefully
      await expect(page.locator('body')).toBeVisible();
    });
  });

  test.describe('Live Graph Updates', () => {
    test('graphs update with new data', async ({ page }) => {
      await page.goto('/devices');

      const firstDevice = page.locator('a[href*="/devices/"]:not([href*="/devices/new"])').first();

      if (await firstDevice.isVisible({ timeout: 2000 }).catch(() => false)) {
        await firstDevice.click();
        await page.waitForTimeout(500);

        // Graphs should be present
        const graph = page.locator('canvas, svg, [data-graph]').first();

        if (await graph.isVisible({ timeout: 3000 }).catch(() => false)) {
          await expect(graph).toBeVisible();
        }
      }
    });
  });
});