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

test.describe('Scenario 12: Mobile-First and Tablet Architecture Overhaul', () => {
  test.beforeEach(async ({ page }) => {
    await page.goto('/');
    await page.waitForLoadState('domcontentloaded');
  });

  test('1. Mobile viewport (< 768px) automatically displays bottom navigation', async ({ page, viewport }) => {
    const isMobileViewport = viewport && viewport.width < 768;

    if (isMobileViewport) {
      // Bottom navigation must be visible
      const bottomNav = page.locator('[data-testid="bottom-nav"]');
      await expect(bottomNav).toBeVisible({ timeout: 10000 });

      // Sidebar must NOT be displayed
      const sidebar = page.locator('aside');
      await expect(sidebar).not.toBeVisible();

      // Topbar must have mobile controls (logo + section title + menu button)
      await expect(page.locator('[data-testid="mobile-menu-btn"]')).toBeVisible();
      await expect(page.locator('[data-testid="mobile-current-title"]')).toBeVisible();
    } else {
      // Desktop / tablet view: sidebar visible, bottom nav not visible
      const sidebar = page.locator('[data-testid="sidebar"]');
      await expect(sidebar).toBeVisible({ timeout: 10000 });
      const bottomNav = page.locator('[data-testid="bottom-nav"]');
      await expect(bottomNav).not.toBeVisible();
    }
  });

  test('2. Mobile bottom nav tabs are functional with >= 44x44px touch targets', async ({ page, viewport }) => {
    const isMobileViewport = viewport && viewport.width < 768;
    if (!isMobileViewport) return;

    // Check touch target heights
    const catalogTab = page.locator('[data-testid="bottom-nav-catalog"]');
    await expect(catalogTab).toBeVisible();
    const box = await catalogTab.boundingBox();
    expect(box).not.toBeNull();
    if (box) {
      expect(box.height).toBeGreaterThanOrEqual(44);
      expect(box.width).toBeGreaterThanOrEqual(44);
    }

    // Navigate to Tasks via bottom nav
    const tasksTab = page.locator('[data-testid="bottom-nav-tasks"]');
    await tasksTab.click();
    await page.waitForURL('**/tasks');
    await expect(page.locator('h1, h2').first()).toBeVisible();

    // Navigate to Communications via bottom nav
    const commsTab = page.locator('[data-testid="bottom-nav-communications"]');
    await commsTab.click();
    await page.waitForURL('**/communications');
    await expect(page.locator('h1, h2').first()).toBeVisible();

    // Return to Catalog
    await catalogTab.click();
    await page.waitForURL('**/');
    await expect(page.locator('[data-testid="modules-catalog-container"]')).toBeVisible();
  });

  test('3. Mobile menu drawer opens and allows switching themes and profiles', async ({ page, viewport }) => {
    const isMobileViewport = viewport && viewport.width < 768;
    if (!isMobileViewport) return;

    // Open via "Ещё" tab in bottom nav
    const moreTab = page.locator('[data-testid="bottom-nav-more"]');
    await moreTab.click();

    // Drawer must be visible
    const drawer = page.locator('[data-testid="mobile-menu-drawer"]');
    await expect(drawer).toBeVisible();

    // Check drawer content: profiles, roles, themes, reset
    await expect(drawer).toContainText('Управление платформой');
    await expect(drawer).toContainText('Отрасль и профиль организации');
    await expect(drawer).toContainText('Тема оформления');
    await expect(page.locator('[data-testid="mobile-reset-db-btn"]')).toBeVisible();

    // Switch theme to dark
    const darkThemeBtn = drawer.getByRole('button', { name: /Тёмная/i });
    await darkThemeBtn.click();
    const themeAttr = await page.evaluate(() => document.documentElement.getAttribute('data-theme'));
    expect(themeAttr).toBe('dark');

    // Close drawer
    const closeBtn = page.locator('[data-testid="close-mobile-menu"]');
    await closeBtn.click();
    await expect(drawer).not.toBeVisible();
  });

  test('4. Zero horizontal overflow across all viewports', async ({ page }) => {
    // Check main document scroll width vs client width
    const isOverflowing = await page.evaluate(() => {
      return document.documentElement.scrollWidth > document.documentElement.clientWidth;
    });
    expect(isOverflowing).toBe(false);

    // Verify on /crm
    await page.goto('/crm');
    await page.waitForLoadState('domcontentloaded');
    const isCrmOverflowing = await page.evaluate(() => {
      return document.documentElement.scrollWidth > document.documentElement.clientWidth;
    });
    expect(isCrmOverflowing).toBe(false);

    // Verify on /settings/entities
    await page.goto('/settings/entities');
    await page.waitForLoadState('domcontentloaded');
    const isSettingsOverflowing = await page.evaluate(() => {
      return document.documentElement.scrollWidth > document.documentElement.clientWidth;
    });
    expect(isSettingsOverflowing).toBe(false);
  });

  test('5. DynamicTable renders responsive card list on mobile screens', async ({ page, viewport }) => {
    await page.goto('/crm');
    await page.waitForLoadState('domcontentloaded');

    const isMobileViewport = viewport && viewport.width < 768;
    if (isMobileViewport) {
      // Mobile card list must be visible
      const mobileCards = page.locator('[data-testid="mobile-table-cards"]');
      if (await mobileCards.isVisible()) {
        await expect(mobileCards).toBeVisible();
      }
    }
  });

  test('6. FormBuilder supports touch-friendly up and down field reordering', async ({ page }) => {
    await page.goto('/settings/entities/contact/form-builder');
    await page.waitForLoadState('domcontentloaded');

    // Locate field move buttons
    const moveDownBtn = page.locator('[data-testid^="move-field-down-"]').first();

    if (await moveDownBtn.isVisible()) {
      await expect(moveDownBtn).toBeVisible();
      // Verify button has accessible touch target
      const box = await moveDownBtn.boundingBox();
      expect(box).not.toBeNull();
      if (box) {
        expect(box.height).toBeGreaterThanOrEqual(28);
      }
    }
  });

  test('7. Full Russian localization check (zero untranslated system labels)', async ({ page }) => {
    // Check home page headings and buttons
    const bodyText = await page.locator('body').innerText();

    // Forbidden English words in visible platform headers
    expect(bodyText).not.toContain('Business OS');
    expect(bodyText).not.toContain('Role: Owner');
    expect(bodyText).not.toContain('Quick Action');
  });

  test('8. All 3 brand themes (soft-light, light, dark) apply and persist', async ({ page }) => {
    // Set light theme
    await page.evaluate(() => {
      window.localStorage.setItem('krona_theme_mode', 'light');
      document.documentElement.setAttribute('data-theme', 'light');
    });
    await page.reload();
    let currentTheme = await page.evaluate(() => document.documentElement.getAttribute('data-theme'));
    expect(currentTheme).toBe('light');

    // Set dark theme
    await page.evaluate(() => {
      window.localStorage.setItem('krona_theme_mode', 'dark');
      document.documentElement.setAttribute('data-theme', 'dark');
    });
    await page.reload();
    currentTheme = await page.evaluate(() => document.documentElement.getAttribute('data-theme'));
    expect(currentTheme).toBe('dark');

    // Restore soft-light
    await page.evaluate(() => {
      window.localStorage.setItem('krona_theme_mode', 'soft-light');
      document.documentElement.setAttribute('data-theme', 'soft-light');
    });
    await page.reload();
    currentTheme = await page.evaluate(() => document.documentElement.getAttribute('data-theme'));
    expect(currentTheme).toBe('soft-light');
  });
});