"use client";

import Link from "next/link";
import { LinkButton } from "@/components/ui/Button";
import { Card } from "@/components/ui/Card";
import { Badge } from "@/components/ui/Badge";
import { PLANS } from "@/lib/billing";
import { useAuth } from "@/components/AuthProvider";
import { LiveView } from "@/components/LiveView";

const CAPABILITIES = [
  {
    title: "Incidents, not raw calls",
    body: "Individual transmissions are correlated into a single incident — a pursuit becomes a path through every checkin point, a structure fire becomes a pin at the dispatched address.",
  },
  {
    title: "AI transcription & extraction",
    body: "Every call is transcribed and scanned for units, vehicles, and locations, so an incident page reads like a briefing instead of a call log.",
  },
  {
    title: "Live map, full history",
    body: "Watch what's happening right now, or scrub back through history to see how an incident unfolded call by call.",
  },
  {
    title: "Field SDR nodes",
    body: "Lightweight edge nodes decode P25 and analog police/fire traffic and stream it to your account — deploy one node or a whole regional network.",
  },
  {
    title: "Discord voice relay",
    body: "Pipe live radio audio into a Discord channel so your team can listen along in real time, no separate scanner app required.",
  },
  {
    title: "Role-scoped access",
    body: "Admins, operators scoped to the nodes they own, and read-only viewers — invite your team with the access level that fits.",
  },
];

const STEPS = [
  { n: "01", title: "Deploy a node", body: "Point a field SDR node at your local P25 or analog system. It streams decoded audio to your DRB account over the network." },
  { n: "02", title: "We transcribe & correlate", body: "Calls are transcribed, entities are extracted, and related calls are correlated into incidents automatically." },
  { n: "03", title: "Your team watches", body: "Incidents show up on the live map and dashboard with an AI summary, units on scene, and every related recording." },
];

function MarketingHomePage() {
  return (
    <div>
      {/* Hero */}
      <section className="marketing-hero-bg">
        <div className="max-w-screen-xl mx-auto px-4 md:px-6 pt-20 pb-24 md:pt-28 md:pb-32">
          <div className="max-w-3xl">
            <Badge tone="brand">Public-safety radio intelligence</Badge>
            <h1 className="text-display-sm md:text-display mt-5 text-white">
              See what&apos;s happening on the radio, as an incident — not a wall of calls.
            </h1>
            <p className="text-gray-400 text-base md:text-lg mt-5 max-w-2xl leading-relaxed">
              DRB turns field SDR nodes into a live public-safety picture: police/fire radio is decoded, transcribed,
              and correlated into incidents you can watch on a map or scrub back through in history — with a Discord
              bot to relay the audio live to your team.
            </p>
            <div className="flex flex-wrap items-center gap-3 mt-8">
              <LinkButton href="/login" size="lg">Get started</LinkButton>
              <LinkButton href="/pricing" variant="secondary" size="lg">View pricing</LinkButton>
            </div>
          </div>
        </div>
      </section>

      {/* Capabilities */}
      <section className="max-w-screen-xl mx-auto px-4 md:px-6 py-16 md:py-20">
        <div className="max-w-2xl mb-10">
          <h2 className="text-display-sm text-white">The unit of value is the incident</h2>
          <p className="text-gray-400 mt-3">
            A scanner feed is noise. DRB's job is to turn that noise into a small number of things you actually care
            about — and let you click into any one of them for the full picture.
          </p>
        </div>
        <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-5">
          {CAPABILITIES.map((c) => (
            <Card key={c.title} padding="lg" hover>
              <h3 className="text-white font-semibold">{c.title}</h3>
              <p className="text-gray-400 text-sm mt-2 leading-relaxed">{c.body}</p>
            </Card>
          ))}
        </div>
      </section>

      {/* How it works */}
      <section className="border-t border-gray-800">
        <div className="max-w-screen-xl mx-auto px-4 md:px-6 py-16 md:py-20">
          <h2 className="text-display-sm text-white mb-10">How it works</h2>
          <div className="grid grid-cols-1 md:grid-cols-3 gap-8">
            {STEPS.map((s) => (
              <div key={s.n}>
                <p className="text-indigo-400 font-mono text-sm font-bold">{s.n}</p>
                <h3 className="text-white font-semibold mt-2">{s.title}</h3>
                <p className="text-gray-400 text-sm mt-2 leading-relaxed">{s.body}</p>
              </div>
            ))}
          </div>
        </div>
      </section>

      {/* Pricing teaser */}
      <section className="border-t border-gray-800">
        <div className="max-w-screen-xl mx-auto px-4 md:px-6 py-16 md:py-20">
          <div className="flex flex-col md:flex-row md:items-end justify-between gap-4 mb-10">
            <div>
              <h2 className="text-display-sm text-white">Plans for one node or a whole region</h2>
              <p className="text-gray-400 mt-2">Start free. Upgrade when you add nodes or need longer retention.</p>
            </div>
            <Link href="/pricing" className="text-indigo-400 hover:text-indigo-300 text-sm font-mono transition-colors shrink-0">
              See full plan comparison →
            </Link>
          </div>
          <div className="grid grid-cols-1 sm:grid-cols-3 gap-5">
            {PLANS.map((plan) => (
              <Card key={plan.id} padding="lg" highlighted={plan.highlighted}>
                {plan.highlighted && <Badge tone="brand" className="mb-3">Most popular</Badge>}
                <h3 className="text-white font-semibold">{plan.name}</h3>
                <p className="text-gray-500 text-xs mt-1">{plan.tagline}</p>
                <p className="text-white text-2xl font-bold font-mono mt-4">
                  {plan.priceMonthlyUsd === null ? "Custom" : plan.priceMonthlyUsd === 0 ? "Free" : `$${plan.priceMonthlyUsd}`}
                  {plan.priceMonthlyUsd !== null && plan.priceMonthlyUsd > 0 && <span className="text-gray-500 text-sm font-normal">/mo</span>}
                </p>
              </Card>
            ))}
          </div>
        </div>
      </section>

      {/* Final CTA */}
      <section className="border-t border-gray-800">
        <div className="max-w-screen-xl mx-auto px-4 md:px-6 py-16 md:py-20 text-center">
          <h2 className="text-display-sm text-white">Bring your first node online</h2>
          <p className="text-gray-400 mt-3 max-w-xl mx-auto">
            Sign in to create an account, add a node, and start seeing incidents within minutes of your first call.
          </p>
          <div className="mt-8">
            <LinkButton href="/login" size="lg">Get started</LinkButton>
          </div>
        </div>
      </section>
    </div>
  );
}

/**
 * "/" is marketing for a signed-out visitor and Live (the map) for anyone
 * signed in — see UI_REDESIGN.md §3, "the map is the home screen". A user
 * with no org_id yet still sees marketing (unchanged — that's the
 * pre-redesign behaviour for an unprovisioned account, out of scope here;
 * ChromeSwitcher's own no-claim guard only fires off marketing paths).
 */
export default function HomePage() {
  const { user, loading, orgId } = useAuth();

  if (loading) return null;
  if (user && orgId) return <LiveView />;
  return <MarketingHomePage />;
}