import SEO from '@/components/SEO'
import { useState } from 'react'
import { toast } from 'sonner'
import { Button } from '@/components/ui/Button'
import { Input } from '@/components/ui/Input'
import { Textarea } from '@/components/ui/Textarea'
import { Select } from '@/components/ui/Select'
import RecaptchaPlaceholder from '@/components/RecaptchaPlaceholder'
import { submitLead } from '@/lib/api'
import { useDebounce } from '@/hooks/useDebounce'

const Contact = () => {
  const [formState, setFormState] = useState({
    company: '',
    name: '',
    email: '',
    phone: '',
    zip: '',
    message: '',
    service_interest: '',
    recaptcha_token: '',
    company_website: '',
  })
  const [errors, setErrors] = useState({
    company: '',
    name: '',
    email: '',
    zip: '',
    message: '',
    recaptcha_token: '',
  })
  const debouncedErrors = useDebounce(errors, 300)
  const [isSubmitting, setIsSubmitting] = useState(false)

  const validateForm = () => {
    const newErrors = { company: '', name: '', email: '', zip: '', message: '', recaptcha_token: '' }
    if (!formState.company.trim()) newErrors.company = 'Company name is required'
    if (!formState.name.trim()) newErrors.name = 'Name is required'
    if (!formState.zip.trim()) newErrors.zip = 'ZIP code is required'
    if (!formState.message.trim()) newErrors.message = 'Message is required'
    const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/
    if (!formState.email.trim()) {
      newErrors.email = 'Email is required'
    } else if (!emailRegex.test(formState.email)) {
      newErrors.email = 'Please enter a valid email address'
    }
    const hasErrors = Object.values(newErrors).some(error => error !== '')
    setErrors(newErrors)
    if (hasErrors) {
      toast.error('Please fix the errors in the form')
      return false
    }
    return true
  }

  const handleSubmit = (e) => {
    e.preventDefault()
    if (!validateForm()) return
    handleSubmitForm()
  }

  const handleSubmitForm = async () => {
    setIsSubmitting(true)
    try {
      await submitLead(formState)
      toast.success("Thanks! We'll be in touch shortly.")
      setFormState({ company: '', name: '', email: '', phone: '', zip: '', message: '', service_interest: '', recaptcha_token: '', company_website: '' })
      setErrors({ company: '', name: '', email: '', zip: '', message: '', recaptcha_token: '' })
    } catch (error) {
      if (error.response?.status === 409) {
        toast.success("We already have your submission! We'll be in touch.")
      } else if (error.response?.status === 400 && error.fields) {
        setErrors(prev => ({ ...prev, ...error.fields }))
        toast.error('Please fix the errors in the form')
      } else {
        toast.error(error.message || 'Failed to submit form. Please try again.')
      }
    } finally {
      setIsSubmitting(false)
    }
  }

  const handleChange = (e) => {
    const { name, value } = e.target
    setFormState(prev => ({ ...prev, [name]: value }))
    if (errors[name]) setErrors(prev => ({ ...prev, [name]: '' }))
  }

  const contactDetails = [
    {
      label: 'Phone',
      icon: (
        <svg className="h-5 w-5 text-primary-cyan" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={1.5}>
          <path strokeLinecap="round" strokeLinejoin="round" d="M2.25 6.75c0 8.284 6.716 15 15 15h2.25a2.25 2.25 0 002.25-2.25v-1.372c0-.516-.351-.966-.852-1.091l-4.423-1.106c-.44-.11-.902.055-1.173.417l-.97 1.293c-.282.376-.769.542-1.21.38a12.035 12.035 0 01-7.143-7.143c-.162-.441.004-.928.38-1.21l1.293-.97c.363-.271.527-.734.417-1.173L6.963 3.102a1.125 1.125 0 00-1.091-.852H4.5A2.25 2.25 0 002.25 4.5v2.25z" />
        </svg>
      ),
      content: (
        <div>
          <a href="tel:+13217308020" className="block text-white hover:text-primary-cyan transition-colors">(321) 730-8020</a>
          <a href="tel:+18886562850" className="block text-white/70 text-sm hover:text-primary-cyan transition-colors mt-0.5">(888) 656-2850 Toll-Free</a>
        </div>
      ),
    },
    {
      label: 'Office',
      icon: (
        <svg className="h-5 w-5 text-primary-cyan" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={1.5}>
          <path strokeLinecap="round" strokeLinejoin="round" d="M15 10.5a3 3 0 11-6 0 3 3 0 016 0z" />
          <path strokeLinecap="round" strokeLinejoin="round" d="M19.5 10.5c0 7.142-7.5 11.25-7.5 11.25S4.5 17.642 4.5 10.5a7.5 7.5 0 1115 0z" />
        </svg>
      ),
      content: (
        <a
          href="https://maps.google.com/?q=7901+4th+St+N+St+Petersburg+FL+33702"
          target="_blank"
          rel="noopener noreferrer"
          className="text-white hover:text-primary-cyan transition-colors leading-relaxed"
        >
          <span className="block">7901 4th St N</span>
          <span className="block">St. Petersburg, FL 33702</span>
        </a>
      ),
    },
    {
      label: 'Hours',
      icon: (
        <svg className="h-5 w-5 text-primary-cyan" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={1.5}>
          <path strokeLinecap="round" strokeLinejoin="round" d="M12 6v6h4.5m4.5 0a9 9 0 11-18 0 9 9 0 0118 0z" />
        </svg>
      ),
      content: <p className="text-white/80 text-sm">Mon – Fri: 8:00 AM – 6:00 PM CT</p>,
    },
  ]

  const trustPoints = [
    <div key="8x8"><span className="font-numeric">8x8</span> Certified Partner with proven expertise</div>,
    <div key="veteran"><span className="font-numeric">25+</span> years of experience</div>,
    'SMB to Enterprise solutions',
    'No vendor bias — we recommend what fits',
  ]

  return (
    <>
      <SEO
        title="Contact Queue North | Schedule a Free Consultation"
        description="Contact Queue North Technologies to schedule a free consultation. Call (321) 730-8020 or toll-free (888) 656-2850 for business phone, UCaaS, IT support, and networking solutions."
        url="https://queuenorth.com/contact"
      />

      {/* Hero */}
      <section className="bg-primary-navy py-12 lg:py-20">
        <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
          <h1 className="text-4xl md:text-5xl font-bold text-white mb-4">Let's Talk</h1>
          <p className="text-xl text-white/70 max-w-2xl">
            Tell us about your business and we'll cut through the noise to find what actually works for you.
          </p>
        </div>
      </section>

      {/* Contact Body */}
      <section className="bg-background py-12 lg:py-20">
        <div className="max-w-7xl mx-auto px-0 sm:px-6 lg:px-8">
          <div className="grid grid-cols-1 lg:grid-cols-5 rounded-none sm:rounded-md overflow-hidden shadow-none sm:shadow-xl border-y sm:border border-border">

            {/* Left: Info panel — order 2 on mobile so form appears first */}
            <div className="lg:col-span-2 order-2 lg:order-1 bg-primary-navy text-white p-8 lg:p-10 flex flex-col gap-10">
              <div className="space-y-7">
                {contactDetails.map((item) => (
                  <div key={item.label} className="flex items-start gap-4">
                    <div className="w-10 h-10 bg-white/10 rounded-md flex items-center justify-center flex-shrink-0">
                      {item.icon}
                    </div>
                    <div>
                      <p className="text-white/50 text-xs uppercase tracking-wider mb-1">{item.label}</p>
                      {item.content}
                    </div>
                  </div>
                ))}
              </div>

              <div className="border-t border-white/10" />

              <div>
                <p className="text-white/50 text-xs uppercase tracking-wider mb-5">Why Queue North</p>
                <ul className="space-y-4">
                  {trustPoints.map((point, i) => (
                    <li key={i} className="flex items-start gap-3 text-white/80 text-sm leading-relaxed">
                      <svg className="h-4 w-4 text-primary-cyan flex-shrink-0 mt-0.5" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2.5}>
                        <path strokeLinecap="round" strokeLinejoin="round" d="M4.5 12.75l6 6 9-13.5" />
                      </svg>
                      {point}
                    </li>
                  ))}
                </ul>
              </div>
            </div>

            {/* Right: Form panel — order 1 on mobile so it appears first */}
            <div className="lg:col-span-3 order-1 lg:order-2 bg-white p-6 sm:p-8 lg:p-10">
              <h2 className="text-2xl font-bold text-primary-navy mb-1">Send Us a Message</h2>
              <p className="text-soft-text text-sm mb-8">We typically respond within one business day.</p>

              <form onSubmit={handleSubmit} noValidate className={`space-y-5 ${isSubmitting ? 'opacity-70 pointer-events-none' : ''}`}>
                {/* Company */}
                <div>
                  <label htmlFor="company" className="block text-sm font-medium text-text mb-1.5">
                    Company Name <span className="text-red-500">*</span>
                  </label>
                  <Input
                    type="text"
                    id="company"
                    name="company"
                    value={formState.company}
                    onChange={handleChange}
                    required
                    placeholder="Your company name"
                    className={debouncedErrors.company ? 'border-red-500 focus-visible:ring-red-500' : ''}
                  />
                  {debouncedErrors.company && <p className="text-xs text-red-500 mt-1">{debouncedErrors.company}</p>}
                </div>

                {/* Name + Email */}
                <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
                  <div>
                    <label htmlFor="name" className="block text-sm font-medium text-text mb-1.5">
                      Name <span className="text-red-500">*</span>
                    </label>
                    <Input
                      type="text"
                      id="name"
                      name="name"
                      value={formState.name}
                      onChange={handleChange}
                      required
                      placeholder="Your full name"
                      className={debouncedErrors.name ? 'border-red-500 focus-visible:ring-red-500' : ''}
                    />
                    {debouncedErrors.name && <p className="text-xs text-red-500 mt-1">{debouncedErrors.name}</p>}
                  </div>
                  <div>
                    <label htmlFor="email" className="block text-sm font-medium text-text mb-1.5">
                      Email <span className="text-red-500">*</span>
                    </label>
                    <Input
                      type="email"
                      id="email"
                      name="email"
                      value={formState.email}
                      onChange={handleChange}
                      required
                      placeholder="you@company.com"
                      className={debouncedErrors.email ? 'border-red-500 focus-visible:ring-red-500' : ''}
                    />
                    {debouncedErrors.email && <p className="text-xs text-red-500 mt-1">{debouncedErrors.email}</p>}
                  </div>
                </div>

                {/* Phone + ZIP */}
                <div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
                  <div>
                    <label htmlFor="phone" className="block text-sm font-medium text-text mb-1.5">
                      Phone <span className="text-soft-text font-normal">(optional)</span>
                    </label>
                    <Input
                      type="tel"
                      id="phone"
                      name="phone"
                      value={formState.phone}
                      onChange={handleChange}
                      placeholder="(555) 123-4567"
                    />
                  </div>
                  <div>
                    <label htmlFor="zip" className="block text-sm font-medium text-text mb-1.5">
                      ZIP Code <span className="text-red-500">*</span>
                    </label>
                    <Input
                      type="text"
                      id="zip"
                      name="zip"
                      value={formState.zip}
                      onChange={handleChange}
                      required
                      autoComplete="postal-code"
                      inputMode="numeric"
                      placeholder="33702"
                      className={debouncedErrors.zip ? 'border-red-500 focus-visible:ring-red-500' : ''}
                    />
                    {debouncedErrors.zip && <p className="text-xs text-red-500 mt-1">{debouncedErrors.zip}</p>}
                  </div>
                </div>

                {/* Service Interest */}
                <div>
                  <label htmlFor="service_interest" className="block text-sm font-medium text-text mb-1.5">
                    Service Interest <span className="text-soft-text font-normal">(optional)</span>
                  </label>
                  <Select
                    id="service_interest"
                    name="service_interest"
                    value={formState.service_interest}
                    onChange={handleChange}
                  >
                    <option value="">Select a service...</option>
                    <option value="unified-communications">Unified Communications</option>
                    <option value="contact-center">Contact Center</option>
                    <option value="managed-support">Managed Support</option>
                    <option value="consulting-training">Consulting & Training</option>
                    <option value="infrastructure-cabling">Infrastructure Cabling</option>
                    <option value="wireless-access">Wireless Access</option>
                    <option value="local-networking">Local Networking</option>
                  </Select>
                </div>

                {/* Message */}
                <div>
                  <label htmlFor="message" className="block text-sm font-medium text-text mb-1.5">
                    Message <span className="text-red-500">*</span>
                  </label>
                  <Textarea
                    id="message"
                    name="message"
                    value={formState.message}
                    onChange={handleChange}
                    required
                    placeholder="Tell us about your needs..."
                    className={`w-full rounded-md border bg-background px-3 py-2 text-sm ring-offset-[#F8FAFC] placeholder:text-muted focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-primary-navy focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 ${debouncedErrors.message ? 'border-red-500 focus-visible:ring-red-500' : ''}`}
                    rows={5}
                  />
                  {debouncedErrors.message && <p className="text-xs text-red-500 mt-1">{debouncedErrors.message}</p>}
                </div>

                {/* Honeypot */}
                <div className="absolute opacity-0 h-0 overflow-hidden" aria-hidden="true">
                  <input
                    type="text"
                    name="company_website"
                    tabIndex="-1"
                    autoComplete="off"
                    value={formState.company_website}
                    onChange={handleChange}
                  />
                </div>

                <RecaptchaPlaceholder error={debouncedErrors.recaptcha_token} />

                <Button type="submit" className="w-full h-11" disabled={isSubmitting}>
                  {isSubmitting ? (
                    <>
                      <svg className="animate-spin -ml-1 mr-2 h-4 w-4" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
                        <circle className="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" strokeWidth="4" />
                        <path className="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z" />
                      </svg>
                      Sending...
                    </>
                  ) : (
                    'Send Message'
                  )}
                </Button>
              </form>
            </div>
          </div>
        </div>
      </section>
    </>
  )
}

export default Contact