'use client';

import React, { useState } from 'react';
import { INITIAL_GROUP_RIDES } from '../../components/group-rides/fixtures';
import { GroupRideSummary } from '../../components/group-rides/types';
import { LivePackRadar } from '../../components/group-rides/live-pack-radar';
import { GroupRidesDirectory } from '../../components/group-rides/group-rides-directory';
import { JoinRideModal } from '../../components/group-rides/join-ride-modal';
import { CreateRideModal } from '../../components/group-rides/create-ride-modal';

export default function GroupRidesPage() {
  const [rides, setRides] = useState<GroupRideSummary[]>(INITIAL_GROUP_RIDES);
  const [isJoinModalOpen, setIsJoinModalOpen] = useState(false);
  const [isCreateModalOpen, setIsCreateModalOpen] = useState(false);
  const [activeAlert, setActiveAlert] = useState<{ message: string; type: 'success' | 'info' } | null>(
    null
  );

  const showAlert = (message: string, type: 'success' | 'info' = 'success') => {
    setActiveAlert({ message, type });
    setTimeout(() => {
      setActiveAlert(null);
    }, 4500);
  };

  const handleJoinSuccess = (code: string, rideTitle: string) => {
    showAlert(`Successfully synchronized telemetry with "${rideTitle}" (Code: ${code})!`, 'success');
  };

  const handleCreateRide = (newRide: GroupRideSummary) => {
    setRides((prev) => [newRide, ...prev]);
    showAlert(`Published group run "${newRide.title}"! Pack radar is now active.`, 'success');
  };

  const handleRequestSlot = (rideId: string) => {
    setRides((prev) =>
      prev.map((r) => {
        if (r.id !== rideId) return r;
        if (r.participantCount >= r.participantLimit) {
          showAlert(`Added to waitlist for "${r.title}". You will be alerted if a slot opens.`, 'info');
          return { ...r, userStatus: 'waitlisted' };
        }
        showAlert(`Slot requested for "${r.title}". Telemetry sync confirmed with Lead Marshal!`, 'success');
        return {
          ...r,
          userStatus: 'joined',
          participantCount: r.participantCount + 1,
        };
      })
    );
  };

  return (
    <div className="flagship-page text-on-surface bg-surface min-h-screen">
      <div className="flex flex-col w-full">
        {/* Dynamic Atmospheric Glow Background Layers */}
        <div className="relative w-full overflow-hidden">
          <div className="absolute top-0 left-1/4 w-96 h-96 bg-primary-container/10 rounded-full blur-[120px] pointer-events-none -z-10"></div>
          <div className="absolute top-64 right-10 w-[500px] h-[500px] bg-secondary-fixed/5 rounded-full blur-[140px] pointer-events-none -z-10"></div>

          {/* Toast Notification Alert */}
          {activeAlert && (
            <div
              className={`fixed top-20 right-6 z-50 px-5 py-3 rounded-xl shadow-2xl flex items-center gap-3 border backdrop-blur-md transition-all animate-bounce ${
                activeAlert.type === 'success'
                  ? 'bg-secondary-container/90 text-on-secondary-container border-secondary-fixed/40'
                  : 'bg-surface-container-high/90 text-primary border-primary/40'
              }`}
            >
              <span className="material-symbols-outlined text-[20px]">
                {activeAlert.type === 'success' ? 'check_circle' : 'info'}
              </span>
              <span className="font-code-mono text-sm font-semibold">{activeAlert.message}</span>
              <button
                onClick={() => setActiveAlert(null)}
                className="ml-2 hover:opacity-75"
                title="Dismiss"
              >
                <span className="material-symbols-outlined text-[16px]">close</span>
              </button>
            </div>
          )}

          {/* Hero Section */}
          <section className="max-w-container-max mx-auto px-gutter-desktop pt-space-2xl pb-space-3xl">
            <div className="flex flex-col items-start max-w-4xl">
              {/* Eyebrow Badge */}
              <div className="inline-flex items-center gap-space-xs px-space-sm py-1.5 rounded-full bg-surface-container-high border-0 shadow-sm mb-space-md">
                <span className="relative flex h-2.5 w-2.5">
                  <span className="animate-ping absolute inline-flex h-full w-full rounded-full bg-secondary-fixed opacity-75"></span>
                  <span className="relative inline-flex rounded-full h-2.5 w-2.5 bg-secondary-fixed-dim"></span>
                </span>
                <span className="font-label-caps text-label-caps text-secondary-fixed tracking-wide">
                  Live Pack Radar &amp; Formation Telemetry
                </span>
              </div>

              {/* Headline */}
              <h1 className="font-display-hero text-display-hero text-on-surface tracking-tight mb-space-sm">
                Ride in pack formation. <br />
                <span className="bg-gradient-to-r from-primary-container via-primary-fixed to-secondary-fixed text-transparent bg-clip-text">
                  Never lose a wingman.
                </span>
              </h1>

              {/* Subheading */}
              <p className="font-body-lg text-body-lg text-on-surface-variant max-w-2xl mb-space-xl">
                Real-time rider radar, staggered formation spacing alerts, instant incident broadcast, and
                automated regroup checkpoints calibrated for fast canyon runs and transcontinental tours.
              </p>

              {/* Dual CTAs & Quick Metrics Bar */}
              <div className="flex flex-wrap items-center gap-space-md w-full">
                <button
                  type="button"
                  onClick={() => setIsCreateModalOpen(true)}
                  className="inline-flex items-center justify-center gap-space-xs px-space-xl py-3.5 rounded-xl bg-gradient-to-r from-primary-container to-primary-fixed text-on-primary-container font-headline-sm text-headline-sm shadow-xl hover:shadow-[0_0_24px_rgba(0,242,254,0.4)] transition-all cursor-pointer"
                  id="btn-create-ride"
                >
                  <span className="material-symbols-outlined text-[20px]">add_circle</span>
                  Create Group Ride
                </button>
                <button
                  type="button"
                  onClick={() => setIsJoinModalOpen(true)}
                  className="inline-flex items-center justify-center gap-space-xs px-space-lg py-3.5 rounded-xl bg-surface-container-high hover:bg-surface-container-highest text-on-surface font-headline-sm text-headline-sm transition-all cursor-pointer border border-outline-variant/30"
                  id="btn-join-code"
                >
                  <span className="material-symbols-outlined text-primary-fixed-dim text-[20px]">
                    qr_code_scanner
                  </span>
                  Join with Ride Code / QR
                </button>
              </div>
            </div>
          </section>

          {/* Interactive Live Pack Radar Cockpit */}
          <section className="max-w-container-max mx-auto px-gutter-desktop mb-space-4xl">
            <LivePackRadar initialMode="tactical" />
          </section>

          {/* Group Ride Features Grid */}
          <section className="max-w-container-max mx-auto px-gutter-desktop mb-space-4xl">
            <div className="flex flex-col mb-space-2xl">
              <span className="font-label-caps text-label-caps text-primary-container tracking-wide mb-1">
                Cockpit Architecture
              </span>
              <h2 className="font-headline-xl text-headline-xl text-on-surface tracking-tight">
                Engineered for Squadron Cohesion
              </h2>
              <p className="font-body-md text-body-md text-on-surface-variant max-w-2xl">
                High-frequency mesh communications keep the entire formation synchronized through blind
                apexes, switchbacks, and offline mountain passes.
              </p>
            </div>

            <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-space-lg">
              {/* Feature 1 */}
              <div className="bg-surface-container-low p-space-xl rounded-2xl flex flex-col justify-between hover:bg-surface-container transition-all shadow-md border border-outline-variant/20">
                <div>
                  <div className="w-12 h-12 rounded-xl bg-surface-container-high flex items-center justify-center text-primary-container mb-space-lg">
                    <span className="material-symbols-outlined text-[26px]">spatial_audio_off</span>
                  </div>
                  <span className="font-code-mono text-code-mono text-primary-fixed-dim block mb-1">
                    01 / Paceline Audit
                  </span>
                  <h3 className="font-headline-md text-headline-md text-on-surface mb-space-sm">
                    Staggered Paceline Warnings
                  </h3>
                  <p className="font-body-sm text-body-sm text-on-surface-variant leading-relaxed">
                    Spatial audio HUD chimes dynamically sound whenever rider follow distance or lane
                    positioning falls beneath calculated emergency stopping thresholds.
                  </p>
                </div>
                <div className="pt-space-lg mt-space-lg flex items-center justify-between font-code-mono text-code-mono text-primary-container border-t border-outline-variant/20">
                  <span>Response: &lt;12ms</span>
                  <span className="material-symbols-outlined text-[16px]">arrow_forward</span>
                </div>
              </div>

              {/* Feature 2 */}
              <div className="bg-surface-container-low p-space-xl rounded-2xl flex flex-col justify-between hover:bg-surface-container transition-all shadow-md border border-outline-variant/20">
                <div>
                  <div className="w-12 h-12 rounded-xl bg-surface-container-high flex items-center justify-center text-error mb-space-lg">
                    <span className="material-symbols-outlined text-[26px]">fmd_bad</span>
                  </div>
                  <span className="font-code-mono text-code-mono text-error block mb-1">
                    02 / Swarm Broadcast
                  </span>
                  <h3 className="font-headline-md text-headline-md text-on-surface mb-space-sm">
                    Crash &amp; Separation Alerts
                  </h3>
                  <p className="font-body-sm text-body-sm text-on-surface-variant leading-relaxed">
                    Autonomous IMU-based impact detection pings the entire pack instantly. Visual yellow and
                    red telemetry flags highlight precise coordinates for immediate regrouping.
                  </p>
                </div>
                <div className="pt-space-lg mt-space-lg flex items-center justify-between font-code-mono text-code-mono text-error border-t border-outline-variant/20">
                  <span>IMU Sensing: 6-Axis</span>
                  <span className="material-symbols-outlined text-[16px]">arrow_forward</span>
                </div>
              </div>

              {/* Feature 3 */}
              <div className="bg-surface-container-low p-space-xl rounded-2xl flex flex-col justify-between hover:bg-surface-container transition-all shadow-md border border-outline-variant/20">
                <div>
                  <div className="w-12 h-12 rounded-xl bg-surface-container-high flex items-center justify-center text-secondary-fixed mb-space-lg">
                    <span className="material-symbols-outlined text-[26px]">hub</span>
                  </div>
                  <span className="font-code-mono text-code-mono text-secondary-fixed block mb-1">
                    03 / Offline Link
                  </span>
                  <h3 className="font-headline-md text-headline-md text-on-surface mb-space-sm">
                    Peer-to-Peer Mesh Sync
                  </h3>
                  <p className="font-body-sm text-body-sm text-on-surface-variant leading-relaxed">
                    Never rely on cellular towers in deep canyons. High-throughput ad-hoc Bluetooth and Wi-Fi
                    Direct protocols daisy-chain vital bike metrics from lead to sweep.
                  </p>
                </div>
                <div className="pt-space-lg mt-space-lg flex items-center justify-between font-code-mono text-code-mono text-secondary-fixed border-t border-outline-variant/20">
                  <span>Zero-cell Ready</span>
                  <span className="material-symbols-outlined text-[16px]">arrow_forward</span>
                </div>
              </div>

              {/* Feature 4 */}
              <div className="bg-surface-container-low p-space-xl rounded-2xl flex flex-col justify-between hover:bg-surface-container transition-all shadow-md border border-outline-variant/20">
                <div>
                  <div className="w-12 h-12 rounded-xl bg-surface-container-high flex items-center justify-center text-primary-fixed mb-space-lg">
                    <span className="material-symbols-outlined text-[26px]">history_toggle_off</span>
                  </div>
                  <span className="font-code-mono text-code-mono text-primary-fixed block mb-1">
                    04 / Mission Debrief
                  </span>
                  <h3 className="font-headline-md text-headline-md text-on-surface mb-space-sm">
                    Group Replay &amp; Debrief
                  </h3>
                  <p className="font-body-sm text-body-sm text-on-surface-variant leading-relaxed">
                    Relive the ride with synced multi-bike timelines. Compare apex entries, sector speeds,
                    and individual lean angles on an interactive 3D map renderer.
                  </p>
                </div>
                <div className="pt-space-lg mt-space-lg flex items-center justify-between font-code-mono text-code-mono text-primary-fixed border-t border-outline-variant/20">
                  <span>3D Replay Engine</span>
                  <span className="material-symbols-outlined text-[16px]">arrow_forward</span>
                </div>
              </div>
            </div>
          </section>

          {/* Visual Divider / Action Interstitial */}
          <section className="max-w-container-max mx-auto px-gutter-desktop mb-space-4xl">
            <div className="relative bg-surface-container-low rounded-2xl overflow-hidden shadow-2xl p-space-2xl border border-outline-variant/20">
              <div className="absolute -right-16 -bottom-16 w-80 h-80 bg-primary-container/10 rounded-full blur-3xl pointer-events-none"></div>
              <div className="relative z-10 flex flex-col lg:flex-row items-center justify-between gap-space-xl">
                <div className="flex flex-col gap-space-xs max-w-xl">
                  <span className="font-label-caps text-label-caps text-secondary-fixed">
                    Hardware Compatibility
                  </span>
                  <h3 className="font-headline-lg text-headline-lg text-on-surface tracking-tight">
                    Sync directly with your helmet comms &amp; bike dash
                  </h3>
                  <p className="font-body-md text-body-md text-on-surface-variant">
                    Integrates seamlessly with Cardo, Sena, Apple Watch, and OBD-II CAN bus links for live
                    peg-to-peg data overlays.
                  </p>
                </div>
                <div className="flex items-center gap-space-md">
                  <div className="flex items-center gap-space-sm px-space-md py-3 rounded-xl bg-surface-container-high border border-outline-variant/20">
                    <span className="material-symbols-outlined text-secondary-fixed">headset_mic</span>
                    <span className="font-code-mono text-code-mono text-on-surface">Cardo / Sena HUD</span>
                  </div>
                  <div className="flex items-center gap-space-sm px-space-md py-3 rounded-xl bg-surface-container-high border border-outline-variant/20">
                    <span className="material-symbols-outlined text-primary-container">watch</span>
                    <span className="font-code-mono text-code-mono text-on-surface">Haptic Alerts</span>
                  </div>
                </div>
              </div>
            </div>
          </section>

          {/* Active Public & Regional Group Rides Directory */}
          <GroupRidesDirectory rides={rides} onRequestSlot={handleRequestSlot} />

          {/* Modals */}
          <JoinRideModal
            isOpen={isJoinModalOpen}
            onClose={() => setIsJoinModalOpen(false)}
            onJoinSuccess={handleJoinSuccess}
          />

          <CreateRideModal
            isOpen={isCreateModalOpen}
            onClose={() => setIsCreateModalOpen(false)}
            onCreateRide={handleCreateRide}
          />
        </div>
      </div>
    </div>
  );
}