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 <!DOCTYPE html>
<html lang="fr">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Mariam M-0</title>
  
  <!-- Intégration de Tailwind CSS -->
  <script defer src="https://cdn.tailwindcss.com"></script>
  
  <!-- Marked pour le rendu Markdown -->
  <script defer src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
  
  <!-- DOMPurify pour sécuriser le rendu HTML -->
  <script defer src="https://cdn.jsdelivr.net/npm/[email protected]/dist/purify.min.js"></script>
  
  <!-- Highlight.js pour la coloration syntaxique -->
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/github.min.css">
  <script defer src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>
  
  <style>
    @keyframes gradient {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }
    .gradient-bg {
      background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
      background-size: 400% 400%;
      animation: gradient 15s ease infinite;
    }

    /* Assurer un affichage correct des espaces et retours à la ligne sur mobile */
    .markdown-content {
      white-space: pre-wrap;
    }

    /* Utilisation des directives @apply de Tailwind pour le contenu Markdown */
    .markdown-content h1 { @apply text-2xl font-bold mb-4 mt-6; }
    .markdown-content h2 { @apply text-xl font-bold mb-3 mt-5; }
    .markdown-content h3 { @apply text-lg font-bold mb-2 mt-4; }
    .markdown-content p { @apply mb-4 leading-relaxed; }
    .markdown-content ul { @apply list-disc ml-6 mb-4; }
    .markdown-content ol { @apply list-decimal ml-6 mb-4; }
    .markdown-content li { @apply mb-1; }
    .markdown-content a { @apply text-blue-600 hover:text-blue-800 underline; }
    .markdown-content blockquote { @apply pl-4 border-l-4 border-gray-300 italic my-4; }
    .markdown-content code:not(pre code) { @apply bg-gray-100 px-1 rounded text-sm font-mono; }
    .markdown-content pre { @apply bg-gray-100 p-4 rounded-lg mb-4 overflow-x-auto; }
    .markdown-content table { @apply min-w-full border border-gray-300 mb-4; }
    .markdown-content th { @apply bg-gray-100 border-b border-gray-300 px-4 py-2 text-left; }
    .markdown-content td { @apply border-b border-gray-300 px-4 py-2; }
    .markdown-content img { @apply max-w-full h-auto my-4 rounded-lg; }
  </style>
</head>
<body class="min-h-screen bg-gray-50">
  <!-- Barre de gradient fixe en haut de page -->
  <div class="gradient-bg h-2 w-full fixed top-0"></div>
  
  <div class="max-w-4xl mx-auto px-4 py-8">
    <header class="text-center mb-12">
      <h1 class="text-4xl font-bold text-gray-800 mb-2">Mariam M-0</h1>
      <p class="text-gray-600">Votre assistant IA personnel</p>
    </header>

    <main>
      <section class="bg-white rounded-xl shadow-lg p-6 mb-8">
        <textarea 
          id="question"
          class="w-full h-32 p-4 border border-gray-200 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent resize-none"
          placeholder="Posez votre question ici..."
          aria-label="Zone de saisie de la question"
        ></textarea>
        <button 
          id="submitBtn"
          class="mt-4 px-6 py-3 bg-gradient-to-r from-blue-500 to-blue-600 text-white rounded-lg hover:from-blue-600 hover:to-blue-700 transition-all duration-200 flex items-center justify-center w-full sm:w-auto"
          aria-label="Obtenir une réponse"
        >
          <span>Obtenir une réponse</span>
          <div id="spinner" class="hidden ml-3 animate-spin rounded-full h-5 w-5 border-b-2 border-white" aria-hidden="true"></div>
        </button>
      </section>

      <section id="responseContainer" class="space-y-6">
        <article id="answerBox" class="hidden bg-white rounded-xl shadow-lg p-6">
          <div class="flex items-center justify-between mb-4">
            <h2 class="text-xl font-semibold text-gray-800">Réponse</h2>
            <button 
              id="copyAnswer"
              class="px-3 py-1 bg-gray-200 rounded hover:bg-gray-300 transition-colors duration-200 text-sm"
              aria-label="Copier la réponse"
            >
              Copier
            </button>
          </div>
          <div id="answer" class="markdown-content text-gray-700"></div>
        </article>

        <article id="thinkingBox" class="hidden bg-white rounded-xl shadow-lg p-6">
          <div class="flex items-center justify-between mb-4">
            <h2 class="text-xl font-semibold text-gray-800">Raisonnement</h2>
            <button 
              id="toggleThinking" 
              class="text-blue-500 hover:text-blue-600 focus:outline-none"
              aria-expanded="false"
              aria-controls="thinking"
            >
              Afficher
            </button>
          </div>
          <div id="thinking" class="hidden markdown-content text-gray-600"></div>
        </article>
      </section>
    </main>
  </div>

  <script defer>
    // Configuration de marked pour le rendu Markdown
    marked.setOptions({
      highlight: function(code, lang) {
        if (lang && hljs.getLanguage(lang)) {
          return hljs.highlight(code, { language: lang }).value;
        }
        return hljs.highlightAuto(code).value;
      },
      breaks: true,
      gfm: true
    });

    /**
     * Fonction pour rendre le Markdown de manière sécurisée.
     * @param {string} content - Le contenu en Markdown.
     * @returns {string} Le HTML rendu et sécurisé.
     */
    function renderMarkdown(content) {
      const rawHtml = marked.parse(content);
      return DOMPurify.sanitize(rawHtml);
    }

    const submitBtn = document.getElementById('submitBtn');
    const spinner = document.getElementById('spinner');
    const answerBox = document.getElementById('answerBox');
    const thinkingBox = document.getElementById('thinkingBox');
    const answer = document.getElementById('answer');
    const thinking = document.getElementById('thinking');
    const toggleThinking = document.getElementById('toggleThinking');
    const copyAnswer = document.getElementById('copyAnswer');

    toggleThinking.addEventListener('click', () => {
      const isHidden = thinking.classList.contains('hidden');
      thinking.classList.toggle('hidden');
      toggleThinking.textContent = isHidden ? 'Masquer' : 'Afficher';
      toggleThinking.setAttribute('aria-expanded', isHidden);
    });

    copyAnswer.addEventListener('click', () => {
      const textToCopy = answer.innerText;
      navigator.clipboard.writeText(textToCopy).then(() => {
        copyAnswer.textContent = 'Copié';
        setTimeout(() => {
          copyAnswer.textContent = 'Copier';
        }, 2000);
      }).catch(err => {
        console.error('Erreur lors de la copie :', err);
      });
    });

    submitBtn.addEventListener('click', async () => {
      const question = document.getElementById('question').value;
      if (!question.trim()) return;

      // Réinitialisation de l'interface utilisateur
      answer.innerHTML = '';
      thinking.innerHTML = '';
      submitBtn.disabled = true;
      spinner.classList.remove('hidden');
      answerBox.classList.add('hidden');
      thinkingBox.classList.add('hidden');

      try {
        const response = await fetch('/ask', {
          method: 'POST',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify({ question })
        });

        // Lecture du flux de réponse en continu
        const reader = response.body.getReader();
        const decoder = new TextDecoder();

        while (true) {
          const { done, value } = await reader.read();
          if (done) break;
          const chunks = decoder.decode(value).split('\n');
          chunks.forEach(chunk => {
            if (!chunk) return;
            const data = JSON.parse(chunk);
            if (data.type === 'thinking') {
              thinkingBox.classList.remove('hidden');
              thinking.innerHTML = renderMarkdown(data.content);
            } else if (data.type === 'answer') {
              answerBox.classList.remove('hidden');
              answer.innerHTML = renderMarkdown(data.content);
              // Rafraîchissement de la coloration syntaxique pour les blocs de code
              answer.querySelectorAll('pre code').forEach(block => {
                hljs.highlightElement(block);
              });
            }
          });
        }
      } catch (error) {
        console.error('Erreur :', error);
        answer.innerHTML = renderMarkdown("❌ Une erreur est survenue. Veuillez réessayer.");
        answerBox.classList.remove('hidden');
      } finally {
        submitBtn.disabled = false;
        spinner.classList.add('hidden');
      }
    });
  </script>
</body>
</html>