'use client';

import { useState } from 'react';
import { COMPANY_INFO } from '@/lib/constants';
import { Badge } from '@/components/ui/badge';
import { Button } from '@/components/ui/button';
import { Input } from '@/components/ui/input';
import { Textarea } from '@/components/ui/textarea';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Mail, Phone, MapPin, Send, Loader2 } from 'lucide-react';

export default function ContactPage() {
  const [isSubmitting, setIsSubmitting] = useState(false);
  const [isSubmitted, setIsSubmitted] = useState(false);

  async function handleSubmit(formData: FormData) {
    setIsSubmitting(true);
    
    // Simulate form submission
    await new Promise(resolve => setTimeout(resolve, 1500));
    
    setIsSubmitting(false);
    setIsSubmitted(true);
  }

  return (
    <div className="pt-32 pb-20">
      <div className="container-custom">
        <div className="text-center max-w-3xl mx-auto mb-16">
          <Badge variant="outline" className="mb-4">
            联系我们
          </Badge>
          <h1 className="text-4xl sm:text-5xl font-bold text-black mb-6">
            与我们取得联系
          </h1>
          <p className="text-lg text-gray-600">
            无论您有任何问题或合作意向，我们都很乐意与您交流
          </p>
        </div>

        <div className="grid grid-cols-1 lg:grid-cols-2 gap-12 max-w-6xl mx-auto">
          {/* Contact Info */}
          <div className="space-y-8">
            <Card>
              <CardHeader>
                <CardTitle>联系方式</CardTitle>
              </CardHeader>
              <CardContent className="space-y-6">
                <div className="flex items-start gap-4">
                  <div className="w-10 h-10 bg-black rounded-lg flex items-center justify-center flex-shrink-0">
                    <MapPin className="w-5 h-5 text-white" />
                  </div>
                  <div>
                    <h3 className="font-semibold text-black">公司地址</h3>
                    <p className="text-gray-600">{COMPANY_INFO.address}</p>
                  </div>
                </div>
                <div className="flex items-start gap-4">
                  <div className="w-10 h-10 bg-black rounded-lg flex items-center justify-center flex-shrink-0">
                    <Phone className="w-5 h-5 text-white" />
                  </div>
                  <div>
                    <h3 className="font-semibold text-black">联系电话</h3>
                    <p className="text-gray-600">{COMPANY_INFO.phone}</p>
                  </div>
                </div>
                <div className="flex items-start gap-4">
                  <div className="w-10 h-10 bg-black rounded-lg flex items-center justify-center flex-shrink-0">
                    <Mail className="w-5 h-5 text-white" />
                  </div>
                  <div>
                    <h3 className="font-semibold text-black">电子邮箱</h3>
                    <p className="text-gray-600">{COMPANY_INFO.email}</p>
                  </div>
                </div>
              </CardContent>
            </Card>

            <Card>
              <CardHeader>
                <CardTitle>工作时间</CardTitle>
              </CardHeader>
              <CardContent>
                <div className="space-y-2">
                  <div className="flex justify-between">
                    <span className="text-gray-600">周一至周五</span>
                    <span className="text-black font-medium">9:00 - 18:00</span>
                  </div>
                  <div className="flex justify-between">
                    <span className="text-gray-600">周六</span>
                    <span className="text-black font-medium">9:00 - 12:00</span>
                  </div>
                  <div className="flex justify-between">
                    <span className="text-gray-600">周日</span>
                    <span className="text-gray-400">休息</span>
                  </div>
                </div>
              </CardContent>
            </Card>
          </div>

          {/* Contact Form */}
          <Card>
            <CardHeader>
              <CardTitle>发送消息</CardTitle>
            </CardHeader>
            <CardContent>
              {isSubmitted ? (
                <div className="text-center py-12">
                  <div className="w-16 h-16 bg-green-100 rounded-full flex items-center justify-center mx-auto mb-4">
                    <Send className="w-8 h-8 text-green-600" />
                  </div>
                  <h3 className="text-xl font-semibold text-black mb-2">消息已发送</h3>
                  <p className="text-gray-600">感谢您的留言，我们会尽快与您联系！</p>
                </div>
              ) : (
                <form action={handleSubmit} className="space-y-6">
                  <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
                    <div>
                      <label htmlFor="name" className="block text-sm font-medium text-gray-700 mb-2">
                        姓名 *
                      </label>
                      <Input
                        id="name"
                        name="name"
                        placeholder="请输入您的姓名"
                        required
                      />
                    </div>
                    <div>
                      <label htmlFor="phone" className="block text-sm font-medium text-gray-700 mb-2">
                        电话
                      </label>
                      <Input
                        id="phone"
                        name="phone"
                        type="tel"
                        placeholder="请输入您的电话"
                      />
                    </div>
                  </div>
                  <div>
                    <label htmlFor="email" className="block text-sm font-medium text-gray-700 mb-2">
                      邮箱 *
                    </label>
                    <Input
                      id="email"
                      name="email"
                      type="email"
                      placeholder="请输入您的邮箱"
                      required
                    />
                  </div>
                  <div>
                    <label htmlFor="subject" className="block text-sm font-medium text-gray-700 mb-2">
                      主题 *
                    </label>
                    <Input
                      id="subject"
                      name="subject"
                      placeholder="请输入消息主题"
                      required
                    />
                  </div>
                  <div>
                    <label htmlFor="message" className="block text-sm font-medium text-gray-700 mb-2">
                      消息内容 *
                    </label>
                    <Textarea
                      id="message"
                      name="message"
                      placeholder="请输入您想要咨询的内容"
                      rows={5}
                      required
                    />
                  </div>
                  <Button type="submit" className="w-full" disabled={isSubmitting}>
                    {isSubmitting ? (
                      <>
                        <Loader2 className="mr-2 h-4 w-4 animate-spin" />
                        发送中...
                      </>
                    ) : (
                      <>
                        <Send className="mr-2 h-4 w-4" />
                        发送消息
                      </>
                    )}
                  </Button>
                </form>
              )}
            </CardContent>
          </Card>
        </div>
      </div>
    </div>
  );
}