import { test, expect } from '@chromatic-com/playwright';
import { loginViaAPI, navigateTo } from '../helpers';
import { TEST_USERS, ROUTES } from '../design-tokens';

test.describe('LISIBILITÉ — Taille de texte minimale et line-height', () => {
  // Public pages
  for (const route of ROUTES.public) {
    test(`[PUBLIC] ${route.name} — aucun texte plus petit que 11px`, async ({ page }) => {
      await navigateTo(page, route.path);

      const tooSmall = await findTinyText(page);

      for (const issue of tooSmall) {
        console.log(`[TEXT SIZE] ${issue}`);
      }

      expect(tooSmall.length,
        `Texte trop petit sur ${route.path}:\n${tooSmall.join('\n')}`
      ).toBe(0);
    });
  }

  // Protected pages
  for (const route of ROUTES.listener.slice(0, 10)) {
    test(`[PROTECTED] ${route.name} — aucun texte plus petit que 11px`, async ({ page }) => {
      await loginViaAPI(page, TEST_USERS.listener.email, TEST_USERS.listener.password);
      await navigateTo(page, route.path);

      const tooSmall = await findTinyText(page);

      for (const issue of tooSmall) {
        console.log(`[TEXT SIZE] ${issue}`);
      }

      expect(tooSmall.length,
        `Texte trop petit sur ${route.path}:\n${tooSmall.join('\n')}`
      ).toBe(0);
    });

    test(`[PROTECTED] ${route.name} — line-height suffisant sur les blocs de texte`, async ({ page }) => {
      await loginViaAPI(page, TEST_USERS.listener.email, TEST_USERS.listener.password);
      await navigateTo(page, route.path);

      const tightText = await page.evaluate(() => {
        const issues: string[] = [];
        const seen = new Set<string>();

        document.querySelectorAll('p, li, td, dd').forEach(el => {
          const text = el.textContent?.trim();
          if (!text || text.length < 20) return;
          const style = getComputedStyle(el);
          if (style.display === 'none') return;

          const fontSize = parseFloat(style.fontSize);
          const lineHeight = parseFloat(style.lineHeight);
          if (isNaN(lineHeight) || isNaN(fontSize) || fontSize === 0) return;
          const ratio = lineHeight / fontSize;

          if (ratio < 1.3 && ratio > 0) {
            const className = (typeof el.className === 'string' ? el.className : '').split(' ')[0] || '';
            const key = `${el.tagName}.${className}`;
            if (seen.has(key)) return;
            seen.add(key);

            const selector = `${el.tagName.toLowerCase()}.${className}`;
            issues.push(
              `ÉLÉMENT: ${selector} | PAGE: ${location.pathname} | MESURÉ: line-height ${ratio.toFixed(2)} (${Math.round(lineHeight)}px / ${Math.round(fontSize)}px) | ATTENDU: >= 1.3 | FIX TAILWIND: Ajouter leading-normal (1.5) ou leading-relaxed (1.625) sur ${selector}`
            );
          }
        });

        return issues.slice(0, 10);
      });

      for (const issue of tightText) {
        console.log(`[LINE HEIGHT] ${issue}`);
      }

      expect(tightText.length,
        `Line-height insuffisant sur ${route.path}:\n${tightText.join('\n')}`
      ).toBe(0);
    });
  }
});

async function findTinyText(page: import('@playwright/test').Page): Promise<string[]> {
  return page.evaluate(() => {
    const issues: string[] = [];
    const seen = new Set<string>();

    document.querySelectorAll('*').forEach(el => {
      const text = el.textContent?.trim();
      if (!text || text.length < 2) return;
      // Only leaf text nodes
      if (el.children.length > 0 && el.children[0].textContent?.trim() === text) return;

      const style = getComputedStyle(el);
      if (style.display === 'none' || style.visibility === 'hidden') return;

      const size = parseFloat(style.fontSize);
      if (size >= 11 || size === 0) return;

      // Skip sr-only elements
      if (el.classList.contains('sr-only')) return;
      const rect = el.getBoundingClientRect();
      if (rect.width === 0 || rect.height === 0) return;

      const className = (typeof el.className === 'string' ? el.className : '').split(' ')[0] || '';
      const key = `${el.tagName}.${className}`;
      if (seen.has(key)) return;
      seen.add(key);

      const selector = `${el.tagName.toLowerCase()}.${className}`;
      issues.push(
        `ÉLÉMENT: ${selector} "${text.slice(0, 20)}" | PAGE: ${location.pathname} | MESURÉ: ${size}px | ATTENDU: >= 11px | FIX TAILWIND: Remplacer text-[${size}px] par text-xs (12px) sur ${selector}`
      );
    });

    return issues.slice(0, 10);
  });
}