import { test, expect } from '@playwright/test';
import { login, PORT_SLUG } from './helpers';

test.describe('Error Handling', () => {
  test('non-existent route shows 404 page', async ({ page }) => {
    await login(page, 'super_admin');

    await page.goto(`/${PORT_SLUG}/this-page-does-not-exist`);
    await page.waitForLoadState('networkidle');

    const is404 = await page.getByText('404').isVisible().catch(() => false);
    const isNotFound = await page.getByText(/not found/i).isVisible().catch(() => false);

    expect(is404 || isNotFound).toBeTruthy();
  });

  test('empty required fields show validation errors', async ({ page }) => {
    await login(page, 'super_admin');

    // Go to new invoice page (has required fields)
    await page.goto(`/${PORT_SLUG}/invoices/new`);
    await page.waitForLoadState('networkidle');

    // Click Next without filling required fields
    const nextBtn = page.getByRole('button', { name: /next/i });
    if (await nextBtn.isVisible({ timeout: 5_000 }).catch(() => false)) {
      await nextBtn.click();
      await page.waitForTimeout(1000);

      // Should see validation error messages (red text)
      const errorMsg = page.locator('.text-destructive').first();
      await expect(errorMsg).toBeVisible({ timeout: 5_000 });
    }
  });

  test('non-existent entity shows error or 404', async ({ page }) => {
    await login(page, 'super_admin');

    // Navigate to a client with a fake UUID
    await page.goto(`/${PORT_SLUG}/clients/00000000-0000-0000-0000-000000000000`);
    await page.waitForLoadState('networkidle');
    await page.waitForTimeout(3000);

    // Should show 404, not found, error, or empty state — but NOT crash
    const is404 = await page.getByText('404').isVisible().catch(() => false);
    const isNotFound = await page.getByText(/not found/i).isVisible().catch(() => false);
    const isError = await page.getByText(/error|not exist/i).isVisible().catch(() => false);
    const noData = await page.getByText(/no client|loading/i).isVisible().catch(() => false);

    // At minimum, the page should not be a blank crash
    const body = await page.locator('body').textContent();
    expect(body && body.length > 10).toBeTruthy();
  });

  test('login form shows validation for invalid email', async ({ page }) => {
    await page.goto('/login');

    await page.fill('#email', 'not-an-email');
    await page.fill('#password', 'x');
    await page.click('button[type="submit"]');

    await page.waitForTimeout(1000);

    // Should see validation error for email
    const errorMsg = page.locator('.text-destructive').first();
    await expect(errorMsg).toBeVisible({ timeout: 5_000 });
  });
});