import { subscribeToNewsletter } from '@/lib/mailchimp'
import { useEffect, useRef, useState } from 'react'
import CONFIG from '../config'
import { siteConfig } from '@/lib/config'

export default function Newsletter() {
  const formRef = useRef()
  const [success, setSuccess] = useState(false)
  useEffect(() => {
    const form = formRef.current
    const handleSubmit = (e) => {
      e.preventDefault()
      const email = document.querySelector('#newsletter').value
      subscribeToNewsletter(email).then(response => {
        console.log('Subscription succeeded:', response)
        // 在此处添加成功订阅后的操作
        setSuccess(true)
      })
        .catch(error => {
          console.error('Subscription failed:', error)
          // 在此处添加订阅失败后的操作
        })
    }
    form?.addEventListener('submit', handleSubmit)
    return () => {
      form?.removeEventListener('submit', handleSubmit)
    }
  }, [subscribeToNewsletter])

  if (!JSON.parse(siteConfig('LANDING_NEWSLETTER', null, CONFIG))) {
    return <></>
  }

  return (
        <section>
            <div className="max-w-6xl mx-auto px-4 sm:px-6">
                <div className="pb-12 md:pb-20">

                    {/* CTA box */}
                    <div className="relative bg-gray-900 rounded py-10 px-8 md:py-16 md:px-12 shadow-2xl overflow-hidden" data-aos="zoom-y-out">

                        {/* Background illustration */}
                        <div className="absolute right-0 bottom-0 pointer-events-none hidden lg:block" aria-hidden="true">
                            <svg width="428" height="328" xmlns="http://www.w3.org/2000/svg">
                                <defs>
                                    <radialGradient cx="35.542%" cy="34.553%" fx="35.542%" fy="34.553%" r="96.031%" id="ni-a">
                                        <stop stopColor="#DFDFDF" offset="0%" />
                                        <stop stopColor="#4C4C4C" offset="44.317%" />
                                        <stop stopColor="#333" offset="100%" />
                                    </radialGradient>
                                </defs>
                                <g fill="none" fillRule="evenodd">
                                    <g fill="#FFF">
                                        <ellipse fillOpacity=".04" cx="185" cy="15.576" rx="16" ry="15.576" />
                                        <ellipse fillOpacity=".24" cx="100" cy="68.402" rx="24" ry="23.364" />
                                        <ellipse fillOpacity=".12" cx="29" cy="251.231" rx="29" ry="28.231" />
                                        <ellipse fillOpacity=".64" cx="29" cy="251.231" rx="8" ry="7.788" />
                                        <ellipse fillOpacity=".12" cx="342" cy="31.303" rx="8" ry="7.788" />
                                        <ellipse fillOpacity=".48" cx="62" cy="126.811" rx="2" ry="1.947" />
                                        <ellipse fillOpacity=".12" cx="78" cy="7.072" rx="2" ry="1.947" />
                                        <ellipse fillOpacity=".64" cx="185" cy="15.576" rx="6" ry="5.841" />
                                    </g>
                                    <circle fill="url(#ni-a)" cx="276" cy="237" r="200" />
                                </g>
                            </svg>
                        </div>

                        <div className="relative flex flex-col lg:flex-row justify-between items-center">

                            {/* CTA content */}
                            <div className="text-center lg:text-left lg:max-w-xl">
                                <h3 className="h3 text-white mb-2">需要更多的教程和帮助?</h3>
                                <p className="text-gray-300 text-lg mb-6">请留下您的电子邮件，我会第一时间与您取得联系</p>

                                {/* CTA form */}
                                <form ref={formRef} className="w-full lg:w-auto">
                                    <div className="flex flex-col sm:flex-row justify-center max-w-xs mx-auto sm:max-w-md lg:mx-0">
                                        <input disabled={success} type="email" className="form-input w-full appearance-none bg-gray-800 border border-gray-700 focus:border-gray-600 rounded-sm px-4 py-3 mb-2 sm:mb-0 sm:mr-2  placeholder-gray-500" placeholder="Your email…" aria-label="Your email…" required />
                                        <button disabled={success} type='submit' className={`btn text-white  shadow ${success ? 'bg-green-600 hover:bg-green-700' : 'bg-blue-600 hover:bg-blue-700'}`} href="#0">{success ? 'Subscribed' : 'Subscribe'}</button>
                                    </div>
                                    {/* Success message */}
                                    {success && <p className="text-sm text-gray-400 mt-3">感谢您的订阅!</p>}
                                    {!success && <p className="text-sm text-gray-400 mt-3">没有垃圾邮件，您可以随时取消订阅</p>}
                                </form>
                            </div>

                        </div>

                    </div>

                </div>
            </div>
        </section>
  )
}