import { test, expect } from '@playwright/test';
import { loginAs, TEST_USER } from './helpers/auth.js';

test.describe('Sidebar navigation', () => {
  test.beforeEach(async ({ page }) => {
    await loginAs(page, TEST_USER.email, TEST_USER.password);
    const url = page.url();
    test.skip(!url.includes('/chat'), 'No seeded test user — skipping authenticated tests');
  });

  test('sidebar shows Mosaic brand link', async ({ page }) => {
    await page.goto('/chat');
    await expect(page.getByRole('link', { name: /mosaic/i }).first()).toBeVisible();
  });

  test('Chat nav link navigates to /chat', async ({ page }) => {
    await page.goto('/settings');
    await page
      .getByRole('link', { name: /^chat$/i })
      .first()
      .click();
    await expect(page).toHaveURL(/\/chat/);
  });

  test('Projects nav link navigates to /projects', async ({ page }) => {
    await page.goto('/chat');
    await page
      .getByRole('link', { name: /projects/i })
      .first()
      .click();
    await expect(page).toHaveURL(/\/projects/);
  });

  test('Settings nav link navigates to /settings', async ({ page }) => {
    await page.goto('/chat');
    await page
      .getByRole('link', { name: /settings/i })
      .first()
      .click();
    await expect(page).toHaveURL(/\/settings/);
  });

  test('Tasks nav link navigates to /tasks', async ({ page }) => {
    await page.goto('/chat');
    await page.getByRole('link', { name: /tasks/i }).first().click();
    await expect(page).toHaveURL(/\/tasks/);
  });

  test('active link is visually highlighted', async ({ page }) => {
    await page.goto('/chat');
    // The active link should have a distinct class — check that the Chat link
    // has the active style class (bg-blue-600/20 text-blue-400)
    const chatLink = page.getByRole('link', { name: /^chat$/i }).first();
    const cls = await chatLink.getAttribute('class');
    expect(cls).toContain('blue');
  });
});

test.describe('Route transitions', () => {
  test.beforeEach(async ({ page }) => {
    await loginAs(page, TEST_USER.email, TEST_USER.password);
    const url = page.url();
    test.skip(!url.includes('/chat'), 'No seeded test user — skipping authenticated tests');
  });

  test('navigating chat → projects → settings → chat works without errors', async ({ page }) => {
    await page.goto('/chat');
    await expect(page).toHaveURL(/\/chat/);

    await page.goto('/projects');
    await expect(page.getByRole('heading', { name: /projects/i })).toBeVisible();

    await page.goto('/settings');
    await expect(page.getByRole('heading', { name: /settings/i })).toBeVisible();

    await page.goto('/chat');
    await expect(page).toHaveURL(/\/chat/);
  });

  test('back-button navigation works between pages', async ({ page }) => {
    await page.goto('/chat');
    await page.goto('/projects');
    await page.goBack();
    await expect(page).toHaveURL(/\/chat/);
  });
});