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

test.describe('Structural - homepage', () => {
  test('homepage: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('homepage: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('homepage: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - builds', () => {
  test('builds: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/builds/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('builds: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/builds/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('builds: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/builds/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - editions', () => {
  test('editions: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/editions/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('editions: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/editions/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('editions: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/editions/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - guidelines', () => {
  test('guidelines: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/guidelines/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('guidelines: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/guidelines/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('guidelines: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/guidelines/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - logos', () => {
  test('logos: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/logos/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('logos: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/logos/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('logos: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/logos/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - security', () => {
  test('security: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/security/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('security: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/security/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('security: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/security/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - sponsors', () => {
  test('sponsors: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/sponsors/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('sponsors: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/sponsors/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('sponsors: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/sponsors/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - team', () => {
  test('team: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/team/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('team: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/team/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('team: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/team/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - teams', () => {
  test('teams: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/teams/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('teams: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/teams/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('teams: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/teams/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - about_legal', () => {
  test('about_legal: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/about/legal/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('about_legal: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/about/legal/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('about_legal: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/about/legal/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - community_meetups', () => {
  test('community_meetups: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/community/meetups/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('community_meetups: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/community/meetups/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('community_meetups: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/community/meetups/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - community_meetups_assets', () => {
  test('community_meetups_assets: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/community/meetups/assets/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('community_meetups_assets: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/community/meetups/assets/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('community_meetups_assets: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/community/meetups/assets/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - community_meetups_getting_started', () => {
  test('community_meetups_getting_started: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/community/meetups-getting-started/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('community_meetups_getting_started: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/community/meetups-getting-started/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('community_meetups_getting_started: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/community/meetups-getting-started/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - mascots_commission', () => {
  test('mascots_commission: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/mascots/commission/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('mascots_commission: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/mascots/commission/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('mascots_commission: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/mascots/commission/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - mascots_faq', () => {
  test('mascots_faq: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/mascots/faq/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('mascots_faq: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/mascots/faq/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('mascots_faq: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/mascots/faq/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - releases_beta', () => {
  test('releases_beta: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/releases/beta/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('releases_beta: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/releases/beta/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('releases_beta: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/releases/beta/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - releases_canary', () => {
  test('releases_canary: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/releases/canary/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('releases_canary: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/releases/canary/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('releases_canary: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/releases/canary/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - releases_lts', () => {
  test('releases_lts: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/releases/lts/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('releases_lts: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/releases/lts/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
});

test.describe('Structural - releases_release', () => {
  test('releases_release: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/releases/release/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('releases_release: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/releases/release/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('releases_release: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/releases/release/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - teams_emeritus', () => {
  test('teams_emeritus: reproduces GT semantic landmarks', async ({ page }) => {
    await page.goto('/teams/emeritus/');
    expect(await page.locator('header, [role="banner"]').first().count(), 'header landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('main, [role="main"]').first().count(), 'main landmark present in GT').toBeGreaterThan(0);
    expect(await page.locator('footer, [role="contentinfo"]').first().count(), 'footer landmark present in GT').toBeGreaterThan(0);
  });
  test('teams_emeritus: heading hierarchy is valid', async ({ page }) => {
    await page.goto('/teams/emeritus/');
    const headingLevels = await page.evaluate(() => {
      const headings = document.querySelectorAll('h1, h2, h3, h4, h5, h6');
      return Array.from(headings).map(h => parseInt(h.tagName.substring(1)));
    });
    if (headingLevels.length > 1) {
      for (let i = 1; i < headingLevels.length; i++) {
        const jump = headingLevels[i] - headingLevels[i-1];
        expect(jump).toBeLessThanOrEqual(2);
      }
    }
  });
  test('teams_emeritus: no horizontal overflow at 375px', async ({ page }) => {
    await page.setViewportSize({ width: 375, height: 812 });
    await page.goto('/teams/emeritus/');
    await page.waitForTimeout(500);
    const scrollWidth = await page.evaluate(() => document.documentElement.scrollWidth);
    expect(scrollWidth).toBeLessThanOrEqual(385);
  });
});

test.describe('Structural - Consistency', () => {
  test('header links are consistent across pages', async ({ page }) => {
    const headerLinksByPage: string[][] = [];
    {
      await page.goto('/');
      const links = await page.locator('header a, nav a').allTextContents();
      headerLinksByPage.push(links.map(l => l.trim()).filter(l => l.length > 0));
    }
    {
      await page.goto('/builds/');
      const links = await page.locator('header a, nav a').allTextContents();
      headerLinksByPage.push(links.map(l => l.trim()).filter(l => l.length > 0));
    }
    {
      await page.goto('/editions/');
      const links = await page.locator('header a, nav a').allTextContents();
      headerLinksByPage.push(links.map(l => l.trim()).filter(l => l.length > 0));
    }
    {
      await page.goto('/guidelines/');
      const links = await page.locator('header a, nav a').allTextContents();
      headerLinksByPage.push(links.map(l => l.trim()).filter(l => l.length > 0));
    }
    if (headerLinksByPage.length >= 2 && headerLinksByPage[0].length > 0) {
      const first = new Set(headerLinksByPage[0]);
      for (let i = 1; i < headerLinksByPage.length; i++) {
        const current = new Set(headerLinksByPage[i]);
        const overlap = [...first].filter(l => current.has(l));
        if (first.size > 0) {
          expect(overlap.length / first.size).toBeGreaterThanOrEqual(0.5);
        }
      }
    }
  });
});