import { type ComponentType, lazy, Suspense } from 'react'
import { motion } from 'framer-motion'
import {
  ArrowRight,
  Globe,
  Heart,
  Mail,
  MapPin,
  Shield,
  Star,
  Users,
  Home as HomeIcon,
} from 'lucide-react'
import { HomeHero } from '../components/home/HomeHero'
import { AmbientOrb } from '../components/motion/AmbientOrb'
import { RevealSection } from '../components/motion/RevealSection'
import { hoverMotionProps, useMotionSafe } from '../hooks/useMotionSafe'
import { HOME_TESTIMONIAL, HOW_IT_WORKS, SITE, WHAT_WE_DO } from '../content/siteContent'

const AwarenessCampaigns = lazy(() =>
  import('../components/home/AwarenessCampaigns').then((m) => ({ default: m.AwarenessCampaigns })),
)
const CommunityGallery = lazy(() =>
  import('../components/home/CommunityGallery').then((m) => ({ default: m.CommunityGallery })),
)
const PartnerStrip = lazy(() =>
  import('../components/home/PartnerStrip').then((m) => ({ default: m.PartnerStrip })),
)
const WhoWeServe = lazy(() =>
  import('../components/home/WhoWeServe').then((m) => ({ default: m.WhoWeServe })),
)

interface CalloutProps {
  title: string
  body: string
  href: string
  accent: string
  icon: ComponentType<{ className?: string }>
  index?: number
}

interface SectionHeaderProps {
  eyebrow?: string
  title: string
  subtitle?: string
}

interface FeatureCardProps {
  icon: ComponentType<{ className?: string }>
  title: string
  body: string
}

/** Above-the-fold only — no framer-motion below this chunk boundary. */
export default function HomePageRoute() {
  return (
    <>
      <HomeHero />
      <Suspense fallback={null}>
        <WhoWeServe />
        <AwarenessCampaigns />
        <PartnerStrip />
        <Programs />
        <CommunityGallery />
        <Impact />
        <HowItWorks />
        <Testimonial />
        <GetInvolved />
        <CTA />
      </Suspense>
    </>
  )
}

function Programs() {
  const icons = [Users, Heart, HomeIcon, Globe, Shield, Star] as const
  const items = WHAT_WE_DO.slice(0, 3).map((p, idx) => ({
    icon: icons[idx] ?? Heart,
    title: p.title,
    body: p.body,
  }))

  return (
    <section id="programs" className="relative py-20 overflow-hidden">
      <div className="absolute inset-0 pointer-events-none" aria-hidden="true">
        <AmbientOrb
          className="absolute top-10 right-10 w-32 h-32 bg-gradient-to-br from-primary-100/20 to-secondary-100/20 rounded-full blur-xl"
          animate={{ y: [-20, 20, -20], scale: [0.9, 1.05, 0.9] }}
          transition={{ duration: 18, repeat: Infinity, ease: 'easeInOut' }}
        />
      </div>

      <div className="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8 relative z-10">
        <RevealSection>
          <SectionHeader
            eyebrow="What we do"
            title="Compassionate support when it matters most"
            subtitle="Outreach, advocacy, emergency assistance, and resource navigation for vulnerable populations."
          />
        </RevealSection>
        <div className="mt-10 grid gap-6 md:grid-cols-3">
          {items.map((i, idx) => (
            <RevealSection key={idx} delay={idx * 0.06}>
              <FeatureCard icon={i.icon} title={i.title} body={i.body} />
            </RevealSection>
          ))}
        </div>
        <div className="mt-10 text-center">
          <a href="/what-we-do" className="btn-secondary">
            See all programs <ArrowRight className="ml-1 inline h-4 w-4" />
          </a>
        </div>
      </div>
    </section>
  )
}

function FeatureCard({ icon: Icon, title, body }: FeatureCardProps) {
  const { reduceMotion } = useMotionSafe()
  return (
    <motion.div
      className="group card card-hover cursor-pointer"
      {...hoverMotionProps(reduceMotion, { scale: 1.02 })}
      transition={{ duration: 0.2, ease: 'easeOut' }}
    >
      <div className="flex items-center gap-3">
        <div className="grid h-10 w-10 place-items-center rounded-xl bg-gradient-to-br from-primary-500 to-secondary-600 text-white shadow">
          <Icon className="h-5 w-5" aria-hidden="true" />
        </div>
        <div className="font-semibold tracking-tight">{title}</div>
      </div>
      <p className="mt-3 text-sm leading-6 text-neutral-700 dark:text-neutral-300">{body}</p>
      <a
        href="/what-we-do"
        className="mt-5 inline-flex items-center text-sm text-primary-700 transition hover:underline dark:text-primary-300"
      >
        Learn more <ArrowRight className="ml-1 h-4 w-4" />
      </a>
    </motion.div>
  )
}

function Impact() {
  const pillars = [
    { label: 'Community outreach', desc: 'Direct support for underserved families' },
    { label: 'Emergency assistance', desc: 'Crisis, fire, and disaster relief' },
    { label: 'Advocacy & navigation', desc: 'Connecting people to hope and resources' },
    { label: 'Faith & restoration', desc: 'Dignity, empathy, and compassionate care' },
  ]

  return (
    <section id="impact" className="relative py-24 overflow-hidden">
      <div className="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8 relative z-10">
        <RevealSection>
          <SectionHeader eyebrow="Our heart" title="Healing begins when people feel seen" subtitle={SITE.closingLine} />
        </RevealSection>

        <div className="mt-12 grid gap-6 sm:grid-cols-2 lg:grid-cols-4">
          {pillars.map((s, i) => (
            <RevealSection key={i} delay={i * 0.06}>
              <div className="card h-full text-center">
                <div className="font-semibold tracking-tight text-primary-800 dark:text-primary-100">{s.label}</div>
                <p className="mt-2 text-sm text-neutral-600 dark:text-neutral-400">{s.desc}</p>
              </div>
            </RevealSection>
          ))}
        </div>
        <div className="mt-10 grid items-center gap-6 rounded-2xl border border-secondary-300/30 bg-secondary-50/50 p-6 sm:grid-cols-2 dark:border-secondary-700/30 dark:bg-secondary-900/20">
          <div className="text-sm text-primary-900 dark:text-primary-100">
            <div className="font-medium">Your gift restores hope</div>
            <p className="mt-3 leading-relaxed">
              Donations support outreach, emergency assistance, wellness support, and resource navigation for women,
              families, survivors, and communities in crisis throughout Los Angeles County.
            </p>
          </div>
          <div className="flex flex-wrap items-center justify-end gap-3">
            <a href="/donate" className="btn-primary">
              Donate <ArrowRight className="ml-2 h-4 w-4" />
            </a>
            <a href="/stories" className="btn-secondary">
              Stories of hope
            </a>
          </div>
        </div>
      </div>
    </section>
  )
}

function HowItWorks() {
  const steps = HOW_IT_WORKS.steps.map((s) => ({ title: s.title, body: s.body }))

  return (
    <section id="how" className="relative py-24 overflow-hidden">
      <div className="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8 relative z-10">
        <RevealSection>
          <SectionHeader eyebrow={HOW_IT_WORKS.eyebrow} title={HOW_IT_WORKS.title} subtitle={HOW_IT_WORKS.subtitle} />
        </RevealSection>
        <div className="mt-10 grid gap-6 md:grid-cols-2">
          <RevealSection>
            <div className="card">
              <ol className="relative space-y-6">
                {steps.map((s, i) => (
                  <li key={i} className="relative pl-8">
                    <div
                      className="absolute left-0 top-1 grid h-6 w-6 place-items-center rounded-full bg-gradient-to-br from-primary-500 to-secondary-600 text-white shadow text-xs"
                      aria-hidden="true"
                    >
                      {i + 1}
                    </div>
                    <div className="font-medium">{s.title}</div>
                    <p className="text-sm text-neutral-700 dark:text-neutral-300">{s.body}</p>
                  </li>
                ))}
              </ol>
            </div>
          </RevealSection>
          <div className="grid gap-6">
            <RevealSection delay={0.08}>
              <div className="rounded-2xl border border-primary-500/20 bg-primary-50/80 p-6 dark:border-primary-700/30 dark:bg-primary-900/20">
                <div className="flex items-center gap-3">
                  <div className="grid h-10 w-10 place-items-center rounded-xl bg-primary-600 text-white">
                    <Heart className="h-5 w-5" aria-hidden="true" />
                  </div>
                  <div className="font-semibold tracking-tight">Donor promise</div>
                </div>
                <p className="mt-2 text-sm text-primary-900 dark:text-primary-100">{HOW_IT_WORKS.donorPromise}</p>
              </div>
            </RevealSection>
            <RevealSection delay={0.12}>
              <div className="rounded-2xl border border-secondary-500/20 bg-secondary-500/10 p-6">
                <div className="flex items-center gap-3">
                  <div className="grid h-10 w-10 place-items-center rounded-xl bg-secondary-500 text-white">
                    <Users className="h-5 w-5" aria-hidden="true" />
                  </div>
                  <div className="font-semibold tracking-tight">For partners & volunteers</div>
                </div>
                <p className="mt-2 text-sm text-secondary-950 dark:text-secondary-100">{HOW_IT_WORKS.partnerNote}</p>
              </div>
            </RevealSection>
          </div>
        </div>
      </div>
    </section>
  )
}

function Testimonial() {
  return (
    <section className="relative py-20">
      <div className="mx-auto max-w-5xl px-4 sm:px-6 lg:px-8">
        <div className="card p-8">
          <div className="absolute -left-10 -top-10 h-60 w-60 rounded-full bg-gradient-to-tr from-primary-500/30 to-secondary-600/30 blur-3xl" />
          <blockquote className="text-balance text-xl leading-8 text-neutral-800 dark:text-neutral-100">
            &ldquo;{HOME_TESTIMONIAL.quote}&rdquo;
          </blockquote>
          <div className="mt-4 flex items-center gap-3 text-sm text-neutral-600 dark:text-neutral-300">
            <Star className="h-4 w-4 text-secondary-500" />
            {HOME_TESTIMONIAL.attribution}
          </div>
        </div>
      </div>
    </section>
  )
}

function GetInvolved() {
  const options = [
    {
      title: 'Donate',
      body: 'Restore hope through outreach, emergency aid, and compassionate care.',
      href: '/donate',
      accent: 'from-secondary-500 to-primary-500',
      icon: Heart,
    },
    {
      title: 'Volunteer',
      body: 'Serve at outreach events and support families in your community.',
      href: '/volunteers',
      accent: 'from-sky-500 to-secondary-500',
      icon: Users,
    },
    {
      title: 'Partner with us',
      body: "Churches, businesses, and organizations — let's serve together.",
      href: '/contact',
      accent: 'from-primary-500 to-secondary-500',
      icon: Globe,
    },
  ]

  return (
    <section id="get-involved" className="relative py-24 overflow-hidden">
      <div className="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8">
        <RevealSection>
          <SectionHeader
            eyebrow="Get involved"
            title="There is a role for everyone"
            subtitle="Give, volunteer, or partner — every act of compassion builds hope."
          />
        </RevealSection>

        <div className="mt-10 grid gap-6 md:grid-cols-3">
          {options.map((o, i) => (
            <RevealSection key={i} delay={i * 0.06}>
              <Callout {...o} index={i} />
            </RevealSection>
          ))}
        </div>
      </div>
    </section>
  )
}

function Callout({ title, body, href, accent, icon: Icon, index = 0 }: CalloutProps) {
  const { reduceMotion } = useMotionSafe()
  const enterMotion = reduceMotion
    ? { initial: false as const }
    : {
        initial: { opacity: 0, y: 16 } as const,
        whileInView: { opacity: 1, y: 0 } as const,
        viewport: { once: true } as const,
        transition: { duration: 0.5, delay: index * 0.08 } as const,
      }

  return (
    <motion.div className="group card card-hover" {...enterMotion} {...hoverMotionProps(reduceMotion, { scale: 1.02 })}>
      <div
        className={`absolute -right-10 -top-10 h-36 w-36 rounded-full bg-gradient-to-br ${accent} opacity-30 blur-2xl group-hover:opacity-50 transition-opacity duration-300`}
        aria-hidden="true"
      />

      <div className={`mb-3 grid h-12 w-12 place-items-center rounded-xl bg-gradient-to-br ${accent} text-white shadow`}>
        <Icon className="h-6 w-6" aria-hidden="true" />
      </div>

      <div className="font-semibold tracking-tight">{title}</div>
      <p className="mt-2 text-sm text-neutral-700 dark:text-neutral-300">{body}</p>

      <a
        href={href}
        className="mt-4 inline-flex items-center text-sm text-neutral-800 underline-offset-4 hover:underline dark:text-neutral-200"
      >
        Learn more <ArrowRight className="ml-1 h-4 w-4" aria-hidden="true" />
      </a>
    </motion.div>
  )
}

function CTA() {
  return (
    <section className="relative py-24">
      <div className="mx-auto max-w-6xl px-4 sm:px-6 lg:px-8">
        <div className="relative overflow-hidden rounded-3xl border border-white/30 bg-gradient-to-br from-primary-600 via-secondary-600 to-secondary-700 p-8 text-white shadow-2xl dark:border-white/10">
          <div
            className="absolute inset-0 opacity-30 [mask-image:radial-gradient(60%_80%_at_70%_50%,white,transparent)]"
            style={{
              backgroundImage:
                "url('data:image/svg+xml;utf8,<svg xmlns=\\'http://www.w3.org/2000/svg\\' width=\\'400\\' height=\\'400\\'><defs><pattern id=\\'g\\' width=\\'40\\' height=\\'40\\' patternUnits=\\'userSpaceOnUse\\'><path d=\\'M0 20 H40 M20 0 V40\\' stroke=\\'white\\' stroke-opacity=\\'0.25\\' stroke-width=\\'1\\'/></pattern></defs><rect width=\\'100%\\' height=\\'100%\\' fill=\\'url(%23g)\\'/></svg>')",
            }}
          />
          <div className="grid items-center gap-8 md:grid-cols-2">
            <div>
              <h2 className="font-serif text-balance text-3xl font-semibold tracking-tight sm:text-4xl">
                Help restore hope in someone&apos;s hardest season
              </h2>
              <p className="mt-3 max-w-md text-white/90">
                Your generosity supports outreach, emergency assistance, and resource navigation for families facing
                crisis throughout Los Angeles County.
              </p>
              <div className="mt-6 flex flex-wrap items-center gap-3">
                <a href="/donate" className="btn-white">
                  Donate now
                </a>
                <a
                  href="/request-assistance"
                  className="inline-flex items-center gap-2 rounded-full border-2 border-white/40 px-6 py-3 text-sm font-medium text-white backdrop-blur transition hover:bg-white/10 focus:outline-none focus:ring-2 focus:ring-white focus:ring-offset-2"
                >
                  Request assistance <ArrowRight className="ml-1 h-4 w-4" />
                </a>
              </div>
            </div>
            <div className="relative">
              <div className="rounded-2xl border border-white/40 bg-white/10 p-6 backdrop-blur">
                <h3 className="font-medium tracking-tight">Contact us</h3>
                <ul className="mt-3 space-y-2 text-sm text-white/90">
                  <li className="flex items-center gap-2">
                    <Mail className="h-4 w-4" />{' '}
                    <a href={SITE.emailHref} className="underline">
                      {SITE.email}
                    </a>
                  </li>
                  <li className="flex items-start gap-2">
                    <MapPin className="mt-0.5 h-4 w-4 shrink-0" /> {SITE.serviceArea}
                  </li>
                </ul>
                <p className="mt-3 text-xs text-white/80">
                  {SITE.legalStatus}. EIN {SITE.ein}.
                </p>
              </div>
            </div>
          </div>
        </div>
      </div>
    </section>
  )
}

function SectionHeader({ eyebrow, title, subtitle }: SectionHeaderProps) {
  return (
    <div className="section-header">
      {eyebrow && <div className="section-eyebrow">{eyebrow}</div>}
      <h2 className="section-title">{title}</h2>
      {subtitle && <p className="section-subtitle">{subtitle}</p>}
    </div>
  )
}