---
import Layout from '@layouts/Layout.astro';
import { SITE_URL } from '@constants';

const success = Astro.url.searchParams.get('success');
const error = Astro.url.searchParams.get('error');
const token = Astro.url.searchParams.get('token');
const userId = Astro.url.searchParams.get('userId');
---

<Layout
  title="Подтверждение email"
  description="Подтверждение email адреса"
  canonicalLink={`${SITE_URL}/auth/verify`}
>
  <div class="verify-page">
    <div class="verify-container">
      <div class="verify-card" id="verify-card">
        <!-- Loading state -->
        <div id="loading">
          <div class="verify-icon">
            <div class="spinner"></div>
          </div>
          <h1>Подтверждение email...</h1>
        </div>

        <!-- Success state -->
        <div id="success" class="hidden">
          <div class="verify-icon success">
            <svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
              <path d="M22 11.08V12a10 10 0 1 1-5.93-9.14"></path>
              <polyline points="22 4 12 14.01 9 11.01"></polyline>
            </svg>
          </div>
          <h1>Email подтверждён!</h1>
          <p>Ваш аккаунт успешно активирован. Теперь вы можете войти в личный кабинет.</p>
          <a href="/auth/sign-in" class="btn-primary">Войти в аккаунт</a>
        </div>

        <!-- Error state -->
        <div id="error" class="hidden">
          <div class="verify-icon error">
            <svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
              <circle cx="12" cy="12" r="10"></circle>
              <line x1="15" y1="9" x2="9" y2="15"></line>
              <line x1="9" y1="9" x2="15" y2="15"></line>
            </svg>
          </div>
          <h1>Ошибка подтверждения</h1>
          <p id="error-message">Ссылка недействительна или истёк срок действия.</p>
          <a href="/auth/sign-up" class="btn-primary">На страницу регистрации</a>
        </div>
      </div>
    </div>
  </div>

  <script define:vars={{ token, userId, success, error }}>
    const urlParams = new URLSearchParams(window.location.search);

    function showSection(id) {
      document.getElementById('loading')?.classList.add('hidden');
      document.getElementById('success')?.classList.add('hidden');
      document.getElementById('error')?.classList.add('hidden');
      document.getElementById(id)?.classList.remove('hidden');
    }

    async function verifyEmail() {
      const token = urlParams.get('token');
      const userId = urlParams.get('userId');

      if (!token || !userId) {
        document.getElementById('error-message').textContent = 'Отсутствуют параметры подтверждения';
        showSection('error');
        return;
      }

      try {
        const response = await fetch('/api/auth/confirm', {
          method: 'POST',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify({ token, userId }),
        });
        
        const data = await response.json();
        
        if (response.ok && data.success) {
          showSection('success');
        } else {
          document.getElementById('error-message').textContent = data.error || 'Ошибка подтверждения';
          showSection('error');
        }
      } catch (e) {
        console.error('Verification error:', e);
        document.getElementById('error-message').textContent = 'Ошибка подтверждения';
        showSection('error');
      }
    }

    if (success === 'true') {
      showSection('success');
    } else if (error) {
      document.getElementById('error-message').textContent = error;
      showSection('error');
    } else if (token && userId) {
      verifyEmail();
    } else {
      document.getElementById('error-message').textContent = 'Отсутствует токен подтверждения';
      showSection('error');
    }
  </script>
</Layout>

<style>
  .verify-page {
    min-height: calc(100vh - 160px);
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 2rem;
  }

  .verify-container {
    width: 100%;
    max-width: 440px;
  }

  .verify-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 1rem 1.25rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
  }

  .verify-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
  }

  .verify-icon.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  }

  .verify-icon.error {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  }

  .verify-icon svg {
    color: white;
  }

  .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
  }

  @keyframes spin {
    to { transform: rotate(360deg); }
  }

  .verify-card h1 {
    color: #1e3050;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 1rem;
  }

  .verify-card p {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0 0 1.5rem;
  }

  .btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, #eac26e 0%, #ce9f40 100%);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(206, 159, 64, 0.4);
  }

  .hidden {
    display: none !important;
  }
</style>