'use client';

import {
    Activity,
    Award,
    Calendar,
    ChevronRight,
    Clock,
    Flag,
    Medal,
    Play,
    Star,
    Target,
    Trophy,
    UserPlus,
    Users,
} from 'lucide-react';
import Image from 'next/image';
import Link from 'next/link';

import { FeedItemRow } from '@/components/dashboard/FeedItemRow';
import { FriendItem } from '@/components/dashboard/FriendItem';
import { LeagueStandingItem } from '@/components/dashboard/LeagueStandingItem';
import { StatCard } from '@/components/dashboard/StatCard';
import { UpcomingRaceItem } from '@/components/dashboard/UpcomingRaceItem';
import Button from '@/components/ui/Button';
import Card from '@/components/ui/Card';

import { getCountryFlag } from '@/lib/utilities/country';
import { getGreeting } from '@/lib/utilities/time';

interface DashboardViewData {
  currentDriver: {
    name: string;
    avatarUrl: string;
    country: string;
    rating: string;
    rank: string;
    totalRaces: string;
    wins: string;
    podiums: string;
    consistency: string;
  };
  nextRace: {
    id: string;
    track: string;
    car: string;
    scheduledAt: string;
    formattedDate: string;
    formattedTime: string;
    timeUntil: string;
    isMyLeague: boolean;
  } | null;
  upcomingRaces: Array<{
    id: string;
    track: string;
    car: string;
    scheduledAt: string;
    formattedDate: string;
    formattedTime: string;
    timeUntil: string;
    isMyLeague: boolean;
  }>;
  leagueStandings: Array<{
    leagueId: string;
    leagueName: string;
    position: string;
    points: string;
    totalDrivers: string;
  }>;
  feedItems: Array<{
    id: string;
    type: string;
    headline: string;
    body?: string;
    timestamp: string;
    formattedTime: string;
    ctaHref?: string;
    ctaLabel?: string;
  }>;
  friends: Array<{
    id: string;
    name: string;
    avatarUrl: string;
    country: string;
  }>;
  activeLeaguesCount: string;
  friendCount: string;
  hasUpcomingRaces: boolean;
  hasLeagueStandings: boolean;
  hasFeedItems: boolean;
  hasFriends: boolean;
}

interface DashboardTemplateProps {
    data: DashboardViewData;
}

export function DashboardTemplate({ data }: DashboardTemplateProps) {
    const currentDriver = data.currentDriver;
    const nextRace = data.nextRace;
    const upcomingRaces = data.upcomingRaces;
    const leagueStandingsSummaries = data.leagueStandings;
    const feedSummary = { items: data.feedItems };
    const friends = data.friends;
    const activeLeaguesCount = data.activeLeaguesCount;

    const { totalRaces, wins, podiums, rating, rank, consistency } = currentDriver;

    return (
        <main className="min-h-screen bg-deep-graphite">
            {/* Hero Section */}
            <section className="relative overflow-hidden">
                {/* Background Pattern */}
                <div className="absolute inset-0 bg-gradient-to-br from-primary-blue/10 via-deep-graphite to-purple-600/5" />
                <div className="absolute inset-0 opacity-5">
                    <div className="absolute inset-0" style={{
                        backgroundImage: `url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")`,
                    }} />
                </div>

                <div className="relative max-w-7xl mx-auto px-6 py-10">
                    <div className="flex flex-col lg:flex-row lg:items-center lg:justify-between gap-8">
                        {/* Welcome Message */}
                        <div className="flex items-start gap-5">
                            <div className="relative">
                                <div className="w-20 h-20 rounded-2xl bg-gradient-to-br from-primary-blue to-purple-600 p-0.5 shadow-xl shadow-primary-blue/20">
                                    <div className="w-full h-full rounded-xl overflow-hidden bg-iron-gray">
                                        <Image
                                            src={currentDriver.avatarUrl}
                                            alt={currentDriver.name}
                                            width={80}
                                            height={80}
                                            className="w-full h-full object-cover"
                                        />
                                    </div>
                                </div>
                                <div className="absolute -bottom-1 -right-1 w-5 h-5 rounded-full bg-performance-green border-3 border-deep-graphite" />
                            </div>
                            <div>
                                <p className="text-gray-400 text-sm mb-1">{getGreeting()},</p>
                                <h1 className="text-3xl md:text-4xl font-bold text-white mb-2">
                                    {currentDriver.name}
                                    <span className="ml-3 text-2xl">{getCountryFlag(currentDriver.country)}</span>
                                </h1>
                                <div className="flex flex-wrap items-center gap-3">
                                    <div className="flex items-center gap-1.5 px-3 py-1 rounded-full bg-primary-blue/10 border border-primary-blue/30">
                                        <Star className="w-3.5 h-3.5 text-primary-blue" />
                                        <span className="text-sm font-semibold text-primary-blue">{rating}</span>
                                    </div>
                                    <div className="flex items-center gap-1.5 px-3 py-1 rounded-full bg-yellow-400/10 border border-yellow-400/30">
                                        <Trophy className="w-3.5 h-3.5 text-yellow-400" />
                                        <span className="text-sm font-semibold text-yellow-400">#{rank}</span>
                                    </div>
                                    <span className="text-xs text-gray-500">{totalRaces} races completed</span>
                                </div>
                            </div>
                        </div>

                        {/* Quick Actions */}
                        <div className="flex flex-wrap gap-3">
                            <Link href="/leagues">
                                <Button variant="secondary" className="flex items-center gap-2">
                                    <Flag className="w-4 h-4" />
                                    Browse Leagues
                                </Button>
                            </Link>
                            <Link href="/profile">
                                <Button variant="primary" className="flex items-center gap-2">
                                    <Activity className="w-4 h-4" />
                                    View Profile
                                </Button>
                            </Link>
                        </div>
                    </div>

                    {/* Quick Stats Row */}
                    <div className="grid grid-cols-2 md:grid-cols-4 gap-4 mt-8">
                        <StatCard icon={Trophy} value={wins} label="Wins" color="bg-performance-green/20 text-performance-green" />
                        <StatCard icon={Medal} value={podiums} label="Podiums" color="bg-warning-amber/20 text-warning-amber" />
                        <StatCard icon={Target} value={`${consistency}%`} label="Consistency" color="bg-primary-blue/20 text-primary-blue" />
                        <StatCard icon={Users} value={activeLeaguesCount} label="Active Leagues" color="bg-purple-500/20 text-purple-400" />
                    </div>
                </div>
            </section>

            {/* Main Content */}
            <section className="max-w-7xl mx-auto px-6 py-8">
                <div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
                    {/* Left Column - Main Content */}
                    <div className="lg:col-span-2 space-y-6">
                        {/* Next Race Card */}
                       {nextRace && (
                           <Card className="relative overflow-hidden bg-gradient-to-br from-iron-gray to-iron-gray/80 border-primary-blue/30">
                               <div className="absolute top-0 right-0 w-40 h-40 bg-gradient-to-bl from-primary-blue/20 to-transparent rounded-bl-full" />
                               <div className="relative">
                                   <div className="flex items-center gap-2 mb-4">
                                       <div className="flex items-center gap-2 px-3 py-1 rounded-full bg-primary-blue/20 border border-primary-blue/30">
                                           <Play className="w-3.5 h-3.5 text-primary-blue" />
                                           <span className="text-xs font-semibold text-primary-blue uppercase tracking-wider">Next Race</span>
                                       </div>
                                       {nextRace.isMyLeague && (
                                           <span className="px-2 py-0.5 rounded-full bg-performance-green/20 text-performance-green text-xs font-medium">
                                               Your League
                                           </span>
                                       )}
                                   </div>
                                     
                                   <div className="flex flex-col md:flex-row md:items-end md:justify-between gap-4">
                                       <div>
                                           <h2 className="text-2xl font-bold text-white mb-2">{nextRace.track}</h2>
                                           <p className="text-gray-400 mb-3">{nextRace.car}</p>
                                           <div className="flex flex-wrap items-center gap-4 text-sm">
                                               <span className="flex items-center gap-1.5 text-gray-400">
                                                   <Calendar className="w-4 h-4" />
                                                   {nextRace.formattedDate}
                                               </span>
                                               <span className="flex items-center gap-1.5 text-gray-400">
                                                   <Clock className="w-4 h-4" />
                                                   {nextRace.formattedTime}
                                               </span>
                                           </div>
                                       </div>
                                         
                                       <div className="flex flex-col items-end gap-3">
                                           <div className="text-right">
                                               <p className="text-xs text-gray-500 uppercase tracking-wider mb-1">Starts in</p>
                                               <p className="text-3xl font-bold text-primary-blue font-mono">{nextRace.timeUntil}</p>
                                           </div>
                                           <Link href={`/races/${nextRace.id}`}>
                                               <Button variant="primary" className="flex items-center gap-2">
                                                   View Details
                                                   <ChevronRight className="w-4 h-4" />
                                               </Button>
                                           </Link>
                                       </div>
                                   </div>
                               </div>
                           </Card>
                       )}

                        {/* League Standings Preview */}
                        {leagueStandingsSummaries.length > 0 && (
                            <Card>
                                <div className="flex items-center justify-between mb-4">
                                    <h2 className="text-lg font-semibold text-white flex items-center gap-2">
                                        <Award className="w-5 h-5 text-yellow-400" />
                                        Your Championship Standings
                                    </h2>
                                    <Link href="/profile/leagues" className="text-sm text-primary-blue hover:underline flex items-center gap-1">
                                        View all <ChevronRight className="w-4 h-4" />
                                    </Link>
                                </div>
                                <div className="space-y-3">
                                    {leagueStandingsSummaries.map((summary: any) => (
                                        <LeagueStandingItem
                                            key={summary.leagueId}
                                            leagueId={summary.leagueId}
                                            leagueName={summary.leagueName}
                                            position={summary.position}
                                            points={summary.points}
                                            totalDrivers={summary.totalDrivers}
                                        />
                                    ))}
                                </div>
                            </Card>
                        )}

                        {/* Activity Feed */}
                        <Card>
                            <div className="flex items-center justify-between mb-4">
                                <h2 className="text-lg font-semibold text-white flex items-center gap-2">
                                    <Activity className="w-5 h-5 text-cyan-400" />
                                    Recent Activity
                                </h2>
                            </div>
                            {feedSummary.items.length > 0 ? (
                                <div className="space-y-4">
                                    {feedSummary.items.slice(0, 5).map((item: any) => (
                                        <FeedItemRow key={item.id} item={item} />
                                    ))}
                                </div>
                            ) : (
                                <div className="text-center py-8">
                                    <Activity className="w-12 h-12 text-gray-600 mx-auto mb-3" />
                                    <p className="text-gray-400 mb-2">No activity yet</p>
                                    <p className="text-sm text-gray-500">Join leagues and add friends to see activity here</p>
                                </div>
                            )}
                        </Card>
                    </div>

                    {/* Right Column - Sidebar */}
                    <div className="space-y-6">
                        {/* Upcoming Races */}
                        <Card>
                            <div className="flex items-center justify-between mb-4">
                                <h3 className="text-lg font-semibold text-white flex items-center gap-2">
                                    <Calendar className="w-5 h-5 text-red-400" />
                                    Upcoming Races
                                </h3>
                                <Link href="/races" className="text-xs text-primary-blue hover:underline">
                                    View all
                                </Link>
                            </div>
                            {upcomingRaces.length > 0 ? (
                                <div className="space-y-3">
                                    {upcomingRaces.slice(0, 5).map((race: any) => (
                                        <UpcomingRaceItem
                                            key={race.id}
                                            id={race.id}
                                            track={race.track}
                                            car={race.car}
                                            scheduledAt={race.scheduledAt}
                                            isMyLeague={race.isMyLeague}
                                        />
                                    ))}
                                </div>
                            ) : (
                                <p className="text-gray-500 text-sm text-center py-4">No upcoming races</p>
                            )}
                        </Card>

                        {/* Friends */}
                        <Card>
                            <div className="flex items-center justify-between mb-4">
                                <h3 className="text-lg font-semibold text-white flex items-center gap-2">
                                    <Users className="w-5 h-5 text-purple-400" />
                                    Friends
                                </h3>
                                <span className="text-xs text-gray-500">{friends.length} friends</span>
                            </div>
                            {friends.length > 0 ? (
                                <div className="space-y-2">
                                    {friends.slice(0, 6).map((friend: any) => (
                                        <FriendItem
                                            key={friend.id}
                                            id={friend.id}
                                            name={friend.name}
                                            avatarUrl={friend.avatarUrl}
                                            country={friend.country}
                                        />
                                    ))}
                                    {friends.length > 6 && (
                                        <Link
                                            href="/profile"
                                            className="block text-center py-2 text-sm text-primary-blue hover:underline"
                                        >
                                            +{friends.length - 6} more
                                        </Link>
                                    )}
                                </div>
                            ) : (
                                <div className="text-center py-6">
                                    <UserPlus className="w-10 h-10 text-gray-600 mx-auto mb-2" />
                                    <p className="text-sm text-gray-400 mb-2">No friends yet</p>
                                    <Link href="/drivers">
                                        <Button variant="secondary" className="text-xs">
                                            Find Drivers
                                        </Button>
                                    </Link>
                                </div>
                            )}
                        </Card>
                    </div>
                </div>
            </section>
        </main>
    );
}