import { useAuth } from '../contexts/AuthContext'
import { useConfig } from '../contexts/ConfigContext'
import { Link } from 'react-router-dom'
import { format } from 'date-fns'
import { ru } from 'date-fns/locale'

export default function Dashboard() {
  const { user } = useAuth()
  const { config } = useConfig()

  return (
    <div className="space-y-6 animate-in">
      <div>
        <h1 className="text-2xl font-bold text-gray-900">
          Добро пожаловать, {user.fullName}!
        </h1>
        <p className="mt-1 text-sm text-gray-600">
          {config.description}
        </p>
      </div>

      {user.role === 'admin' && (
        <div className="bg-yellow-50 border-l-4 border-yellow-400 p-4 mb-6">
          <div className="flex items-center justify-between">
            <div className="flex">
              <div className="flex-shrink-0">
                <svg className="h-5 w-5 text-yellow-400" fill="currentColor" viewBox="0 0 20 20">
                  <path fillRule="evenodd" d="M8.257 3.099c.765-1.36 2.722-1.36 3.486 0l5.58 9.92c.75 1.334-.213 2.98-1.742 2.98H4.42c-1.53 0-2.493-1.646-1.743-2.98l5.58-9.92zM11 13a1 1 0 11-2 0 1 1 0 012 0zm-1-8a1 1 0 00-1 1v3a1 1 0 002 0V6a1 1 0 00-1-1z" clipRule="evenodd" />
                </svg>
              </div>
              <div className="ml-3">
                <p className="text-sm text-yellow-700">
                  Вы вошли как администратор. Перейдите в панель управления для доступа к административным функциям.
                </p>
              </div>
            </div>
            <Link
              to="/admin/dashboard"
              className="ml-4 flex-shrink-0 btn-primary"
            >
              Панель админа
            </Link>
          </div>
        </div>
      )}

      <div className="grid grid-cols-1 gap-5 sm:grid-cols-2 lg:grid-cols-3">
        <div className="card bg-primary-50 border-primary-200">
          <div className="flex items-center">
            <div className="flex-shrink-0">
              <span className="text-3xl">{config.theme.logo}</span>
            </div>
            <div className="ml-5 w-0 flex-1">
              <dl>
                <dt className="text-sm font-medium text-primary-600 truncate">
                  Профиль
                </dt>
                <dd className="flex items-baseline">
                  <div className="text-lg font-semibold text-gray-900">
                    {user.role === 'admin' ? 'Администратор' : 'Пользователь'}
                  </div>
                </dd>
              </dl>
            </div>
          </div>
        </div>

        <div className="card">
          <div className="flex items-center">
            <div className="flex-shrink-0">
              <svg className="h-8 w-8 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z" />
              </svg>
            </div>
            <div className="ml-5 w-0 flex-1">
              <dl>
                <dt className="text-sm font-medium text-gray-500 truncate">
                  Дата регистрации
                </dt>
                <dd className="flex items-baseline">
                  <div className="text-lg font-semibold text-gray-900">
                    {user.createdAt ? format(new Date(user.createdAt), 'd MMMM yyyy', { locale: ru }) : 'Сегодня'}
                  </div>
                </dd>
              </dl>
            </div>
          </div>
        </div>

        <div className="card">
          <div className="flex items-center">
            <div className="flex-shrink-0">
              <svg className="h-8 w-8 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z" />
              </svg>
            </div>
            <div className="ml-5 w-0 flex-1">
              <dl>
                <dt className="text-sm font-medium text-gray-500 truncate">
                  Email
                </dt>
                <dd className="flex items-baseline">
                  <div className="text-lg font-semibold text-gray-900 truncate">
                    {user.email}
                  </div>
                </dd>
              </dl>
            </div>
          </div>
        </div>
      </div>

      <div className="bg-white shadow rounded-lg">
        <div className="px-4 py-5 sm:p-6">
          <h3 className="text-lg leading-6 font-medium text-gray-900">
            Быстрые действия
          </h3>
          <div className="mt-5 grid grid-cols-1 gap-3 sm:grid-cols-2">
            <Link
              to="/applications"
              className="inline-flex items-center justify-center px-4 py-2 border border-gray-300 shadow-sm text-sm font-medium rounded-md text-gray-700 bg-white hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-primary-500"
            >
              <svg className="mr-2 -ml-1 h-5 w-5 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2" />
              </svg>
              {config.labels?.viewButton || 'Мои заявки'}
            </Link>
            <Link
              to="/applications/new"
              className="inline-flex items-center justify-center px-4 py-2 border border-transparent shadow-sm text-sm font-medium rounded-md text-white bg-primary-600 hover:bg-primary-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-primary-500"
            >
              <svg className="mr-2 -ml-1 h-5 w-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 4v16m8-8H4" />
              </svg>
              {config.labels?.createButton || 'Создать заявку'}
            </Link>
          </div>
        </div>
      </div>

      <div className="bg-blue-50 border-l-4 border-blue-400 p-4">
        <div className="flex">
          <div className="flex-shrink-0">
            <svg className="h-5 w-5 text-blue-400" fill="currentColor" viewBox="0 0 20 20">
              <path fillRule="evenodd" d="M18 10a8 8 0 11-16 0 8 8 0 0116 0zm-7-4a1 1 0 11-2 0 1 1 0 012 0zM9 9a1 1 0 000 2v3a1 1 0 001 1h1a1 1 0 100-2v-3a1 1 0 00-1-1H9z" clipRule="evenodd" />
            </svg>
          </div>
          <div className="ml-3">
            <p className="text-sm text-blue-700">
              Это демонстрационная версия системы для экзамена. Все функции полностью работоспособны.
            </p>
          </div>
        </div>
      </div>
    </div>
  )
}