import Link from 'next/link'
import { Clock, MapPin, Users, ChevronDown, Route, Droplets, Award, ShieldCheck } from 'lucide-react'
import { Navigation } from '@/components/navigation'
import { Footer } from '@/components/footer'
import { getPublicEvent } from '@/lib/lukenya-api'
import {
  displayPrice,
  formatClock,
  formatCutoff,
  formatMoney,
  type PublicCategory,
} from '@/lib/event-types'

export const revalidate = 60

function startTimesAnswer(categories: PublicCategory[]): string {
  const timed = categories.filter((c) => c.start_time)
  if (!timed.length) return 'Start times are published with the race categories closer to race day.'
  return timed.map((c) => `${c.category_name} (${c.distance_label}): ${formatClock(c.start_time)}`).join('. ') + '.'
}

function ageAnswer(categories: PublicCategory[]): string {
  const parts = categories.map((c) => {
    if (c.min_age) return `${c.category_name}: ${c.min_age}+`
    if (c.eligibility) return `${c.category_name}: ${c.eligibility}`
    return null
  }).filter(Boolean)
  if (!parts.length) return 'Age limits are listed with each race category. Runners under 18 need a parent or guardian to consent.'
  return parts.join('. ') + '. Runners under 18 need a parent or guardian to consent.'
}

const routeHighlights = [
    { icon: Route, title: 'Course Type', description: 'Mixed terrain: tarmac and scenic trails' },
  { icon: Droplets, title: 'Water Stations', description: 'Every 2.5km with hydration and first aid' },
  { icon: Award, title: 'Timing', description: 'Sporthive certified chip timing' },
]

const staticFaqs = [
  {
    question: 'Is parking available?',
    answer: 'Yes, free parking is available at the venue. Follow the signage to the designated parking areas. Arrive early for the best spots.'
  },
  {
    question: 'Where do I collect my race pack?',
    answer: 'Race packs can be collected at the Expo on the day before the race (10 AM - 6 PM) or on race morning from 4:30 AM at the registration tent.'
  },
  {
    question: 'Is bag drop available?',
    answer: 'Yes, secure bag drop is available near the start line. Please label your bag with your bib number. Bags can be collected after you finish.'
  },
  {
    question: 'What is included in my entry fee?',
    answer: 'Race bib with chip timing, finisher medal, event t-shirt, access to water stations and post-race refreshments. Inclusions for each race are listed on the registration page.'
  },
  {
    question: 'Can I transfer my entry to someone else?',
    answer: 'Entry transfers are allowed up to 7 days before the race for a small admin fee. Contact info@lukenyamarathon.co.ke to arrange a transfer.'
  },
  {
    question: 'What happens if it rains?',
    answer: 'The race proceeds rain or shine. Kenya\'s climate is generally favorable, but come prepared with appropriate gear.'
  },
]

export default async function RaceInfoPage() {
  const event = await getPublicEvent()
  const categories = event.categories
  const edition = event.edition
  const featured = categories.find((c) => c.is_featured) || categories[0]
  const featuredStart = featured ? formatClock(featured.start_time) : null
  const routeItems = [
    { icon: MapPin, title: 'Start/Finish', description: edition?.venue || 'Venue to be announced' },
    ...routeHighlights,
  ]
  const faqs = [
    { question: 'What time does the race start?', answer: startTimesAnswer(categories) },
    staticFaqs[0],
    staticFaqs[1],
    staticFaqs[2],
    { question: 'Are there age requirements?', answer: ageAnswer(categories) },
    ...staticFaqs.slice(3),
  ]
  return (
    <div className="min-h-screen">
      <Navigation />

      {/* Page Hero */}
      <section className="bg-[#006838] pt-20">
        <div className="max-w-5xl mx-auto px-4 text-center py-16 md:py-20">
          <span className="text-[#006838] bg-white/10 backdrop-blur font-semibold text-xs uppercase tracking-[0.12em] px-4 py-2 rounded-full inline-block mb-4">
            Everything You Need to Know
          </span>
          <h1 className="text-3xl md:text-4xl lg:text-5xl font-extrabold text-white mb-4">
            Race Information
          </h1>
          <p className="text-white/80 text-lg max-w-2xl mx-auto">
            Categories, route details, timing, and everything you need for race day{edition?.venue ? ` at ${edition.venue}` : ''}.
          </p>
        </div>
      </section>

      {/* Quick Info Bar */}
      <section className="bg-[#005030] py-6">
        <div className="max-w-5xl mx-auto px-4">
          <div className="grid grid-cols-2 md:grid-cols-4 gap-6">
            <div className="text-center">
              <Clock className="w-6 h-6 text-[#ffcd05] mx-auto mb-2" />
              <p className="text-white font-bold">{featuredStart ? `${featuredStart} Start` : 'Start time TBA'}</p>
              <p className="text-white/60 text-sm">{featured?.category_name || 'First race'}</p>
            </div>
            <div className="text-center">
              <MapPin className="w-6 h-6 text-[#ffcd05] mx-auto mb-2" />
              <p className="text-white font-bold">{edition?.venue || 'Venue TBA'}</p>
              <p className="text-white/60 text-sm">{edition?.county || 'Kenya'}</p>
            </div>
            <div className="text-center">
              <Users className="w-6 h-6 text-[#ffcd05] mx-auto mb-2" />
              <p className="text-white font-bold">{categories.length || 'All'} Categories</p>
              <p className="text-white/60 text-sm">All abilities</p>
            </div>
            <div className="text-center">
              <ShieldCheck className="w-6 h-6 text-[#ffcd05] mx-auto mb-2" />
              <p className="text-white font-bold">Sporthive Timing</p>
              <p className="text-white/60 text-sm">Certified results</p>
            </div>
          </div>
        </div>
      </section>

      {/* Race Categories */}
      <section className="bg-white py-16 md:py-24">
        <div className="max-w-6xl mx-auto px-4">
          <div className="text-center mb-12">
            <span className="text-[#006838] font-semibold text-xs uppercase tracking-[0.12em] mb-2 block">
              Race Categories
            </span>
            <h2 className="text-3xl md:text-4xl font-bold text-[#006838]">
              Choose Your Challenge
            </h2>
          </div>

          <div className="overflow-x-auto">
            <table className="w-full min-w-[600px]">
              <thead>
                <tr className="border-b-2 border-[#e5e7eb]">
                  <th className="text-left py-4 px-4 font-semibold text-[#111518]">Category</th>
                  <th className="text-left py-4 px-4 font-semibold text-[#111518]">Distance</th>
                  <th className="text-left py-4 px-4 font-semibold text-[#111518]">Cut-off Time</th>
                  <th className="text-left py-4 px-4 font-semibold text-[#111518]">Elevation</th>
                  <th className="text-left py-4 px-4 font-semibold text-[#111518]">Entry Fee (Kenyan resident)</th>
                </tr>
              </thead>
              <tbody>
                {categories.length === 0 && (
                  <tr>
                    <td colSpan={5} className="py-6 px-4 text-[#6b7280]">
                      Race categories for the next edition will be published here soon.
                    </td>
                  </tr>
                )}
                {categories.map((category) => (
                  <tr key={category.name} className="border-b border-[#e5e7eb] hover:bg-[#F5F7FC]/50">
                    <td className="py-4 px-4 font-semibold text-[#111518]">
                      {category.category_name}
                      {category.sold_out && <span className="ml-2 text-xs font-bold text-[#c0392b]">Sold out</span>}
                    </td>
                    <td className="py-4 px-4 text-[#006838] font-bold">
                      {category.distance_km ? `${category.distance_km}km` : category.distance_label}
                    </td>
                    <td className="py-4 px-4 text-[#6b7280]">{formatCutoff(category.cutoff_hours) || '—'}</td>
                    <td className="py-4 px-4 text-[#6b7280]">{category.elevation_gain_m ? `+${category.elevation_gain_m}m` : '—'}</td>
                    <td className="py-4 px-4 text-[#3bb34a] font-bold">
                      {formatMoney(displayPrice(category, 'resident'), event.currency) || 'Announced soon'}
                    </td>
                  </tr>
                ))}
              </tbody>
            </table>
          </div>

          <div className="text-center mt-8">
            <Link
              href="/registration"
              className="inline-block bg-[#3bb34a] text-white font-semibold text-sm px-8 py-3 rounded-lg hover:bg-[#2a9a3a] transition-colors duration-200"
            >
              REGISTER NOW
            </Link>
          </div>
        </div>
      </section>

      {/* Route Information */}
      <section className="bg-[#F5F7FC] py-16 md:py-24">
        <div className="max-w-6xl mx-auto px-4">
          <div className="text-center mb-12">
            <span className="text-[#006838] font-semibold text-xs uppercase tracking-[0.12em] mb-2 block">
              The Course
            </span>
            <h2 className="text-3xl md:text-4xl font-bold text-[#006838]">
              Route Information
            </h2>
          </div>

          {/* Route Map Placeholder */}
          <div className="bg-white rounded-xl shadow-[0_2px_16px_rgba(0,0,0,0.08)] p-8 mb-12">
            <div className="aspect-video bg-[#e5e7eb] rounded-lg flex items-center justify-center">
              <div className="text-center">
                <Route className="w-12 h-12 text-[#6b7280] mx-auto mb-2" />
                <p className="text-[#6b7280]">Course Map Coming Soon</p>
              </div>
            </div>
          </div>

          {/* Route Highlights */}
          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-6">
            {routeItems.map((item, index) => (
              <div key={index} className="bg-white rounded-xl p-6 shadow-[0_2px_16px_rgba(0,0,0,0.08)]">
                <item.icon className="w-8 h-8 text-[#006838] mb-4" />
                <h3 className="font-bold text-[#111518] mb-2">{item.title}</h3>
                <p className="text-[#6b7280] text-sm">{item.description}</p>
              </div>
            ))}
          </div>
        </div>
      </section>

      {/* FAQ Section */}
      <section className="bg-white py-16 md:py-24">
        <div className="max-w-3xl mx-auto px-4">
          <div className="text-center mb-12">
            <span className="text-[#006838] font-semibold text-xs uppercase tracking-[0.12em] mb-2 block">
              Common Questions
            </span>
            <h2 className="text-3xl md:text-4xl font-bold text-[#006838]">
              Frequently Asked Questions
            </h2>
          </div>

          <div className="space-y-4">
            {faqs.map((faq, index) => (
              <details 
                key={index}
                className="group bg-[#F5F7FC] rounded-xl overflow-hidden"
              >
                <summary className="flex items-center justify-between cursor-pointer p-6 font-semibold text-[#111518]">
                  {faq.question}
                  <ChevronDown className="w-5 h-5 text-[#6b7280] group-open:rotate-180 transition-transform" />
                </summary>
                <div className="px-6 pb-6 text-[#6b7280]">
                  {faq.answer}
                </div>
              </details>
            ))}
          </div>
        </div>
      </section>

      {/* CTA Section */}
      <section className="bg-[#006838] py-16">
        <div className="max-w-3xl mx-auto px-4 text-center">
          <h2 className="text-3xl md:text-4xl font-extrabold text-white mb-4">
            Ready to Run?
          </h2>
          <p className="text-white/80 text-lg mb-8">
            Secure your place in Kenya&apos;s only environmental marathon.
          </p>
          <Link
            href="/registration"
            className="inline-block bg-[#ffcd05] text-[#111518] font-bold text-sm px-10 py-4 rounded-lg hover:bg-[#c4930f] transition-colors duration-200"
          >
            REGISTER NOW
          </Link>
        </div>
      </section>

      <Footer />
    </div>
  )
}