/**
 * 認證錯誤頁面
 */
'use client'

import { useSearchParams } from 'next/navigation'
import Link from 'next/link'
import { Suspense } from 'react'

function ErrorContent() {
  const searchParams = useSearchParams()
  const error = searchParams.get('error')

  return (
    <div className="min-h-screen flex items-center justify-center bg-gradient-to-br from-red-50 to-orange-100">
      <div className="max-w-md w-full bg-white rounded-lg shadow-xl p-8">
        <div className="text-center mb-8">
          <div className="mx-auto w-16 h-16 bg-red-100 rounded-full flex items-center justify-center mb-4">
            <svg
              className="w-8 h-8 text-red-600"
              fill="none"
              stroke="currentColor"
              viewBox="0 0 24 24"
            >
              <path
                strokeLinecap="round"
                strokeLinejoin="round"
                strokeWidth={2}
                d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"
              />
            </svg>
          </div>
          <h1 className="text-2xl font-bold text-gray-900 mb-2">認證失敗</h1>
          <p className="text-gray-600">無法完成登入程序</p>
        </div>

        {error && (
          <div className="mb-6 p-4 bg-gray-50 rounded-md">
            <p className="text-sm text-gray-700">錯誤代碼: {error}</p>
          </div>
        )}

        <div className="space-y-4">
          <Link
            href="/auth/signin"
            className="block w-full text-center px-4 py-3 border border-transparent rounded-md shadow-sm text-base font-medium text-white bg-indigo-600 hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500 transition-colors"
          >
            重新登入
          </Link>
          <Link
            href="/"
            className="block w-full text-center px-4 py-3 border border-gray-300 rounded-md shadow-sm text-base font-medium text-gray-700 bg-white hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-indigo-500 transition-colors"
          >
            返回首頁
          </Link>
        </div>
      </div>
    </div>
  )
}

export default function ErrorPage() {
  return (
    <Suspense fallback={<div>載入中...</div>}>
      <ErrorContent />
    </Suspense>
  )
}