import React from 'react';
import { Calendar, MapPin, ArrowRight, Clock } from 'lucide-react';
import Link from 'next/link';
import { sanitizeHTML } from '../lib/sanitize';

interface Event {
    id: string;
    slug?: string | null;
    title: string;
    description: string;
    date: Date | string;
    location: string;
    thumbnailUrl: string;
    link?: string | null;
}

interface EventTimelineProps {
    events: Event[];
}

const EventTimeline = ({ events }: EventTimelineProps) => {
    // Sort events by date descending
    const sortedEvents = [...events].sort((a, b) => 
        new Date(b.date).getTime() - new Date(a.date).getTime()
    );

    return (
        <div className="relative max-w-5xl mx-auto px-4 py-12">
            {/* Vertical Line */}
            <div className="absolute left-4 md:left-1/2 top-0 bottom-0 w-1 bg-gradient-to-b from-brand-500 via-brand-600 to-amber-500 transform md:-translate-x-1/2 rounded-full opacity-20"></div>

            <div className="space-y-12">
                {sortedEvents.map((event, index) => {
                    const eventDate = new Date(event.date);
                    const isEven = index % 2 === 0;
                    const isPast = eventDate < new Date();

                    return (
                        <div key={event.id} className={`relative flex flex-col md:flex-row items-center ${isEven ? 'md:flex-row-reverse' : ''} ${isPast ? 'opacity-60' : ''}`}>
                            {/* Marker */}
                            <div className={`absolute left-4 md:left-1/2 w-4 h-4 bg-white border-4 rounded-full transform md:-translate-x-1/2 z-10 ${isPast ? 'border-gray-400 shadow-none' : 'border-brand-600 shadow-[0_0_15px_rgba(234,88,12,0.5)]'}`}></div>

                            {/* Content Card */}
                            <div className={`w-full md:w-[45%] ml-12 md:ml-0 group`}>
                                <div className={`relative bg-white/80 backdrop-blur-xl p-6 rounded-3xl border border-white shadow-[0_8px_30px_rgb(0,0,0,0.04)] hover:shadow-[0_8px_30px_rgb(0,0,0,0.12)] transition-all duration-500 group-hover:-translate-y-1 ${isPast ? 'grayscale-[0.8]' : ''}`}>
                                    {/* Image with overlay gradient */}
                                    <div className="relative h-48 mb-6 rounded-2xl overflow-hidden">
                                        <img 
                                            src={event.thumbnailUrl} 
                                            alt={event.title} 
                                            className="w-full h-full object-cover group-hover:scale-105 transition-transform duration-700"
                                        />
                                        <div className="absolute inset-0 bg-gradient-to-t from-black/60 to-transparent"></div>
                                        <div className="absolute bottom-4 left-4 right-4 flex justify-between items-end">
                                            <span className={`${isPast ? 'bg-gray-600/90' : 'bg-brand-600/90'} backdrop-blur-md text-white px-3 py-1 rounded-full text-xs font-bold uppercase tracking-wider flex items-center`}>
                                                <Calendar className="w-3 h-3 mr-1" />
                                                {eventDate.toLocaleDateString('fr-FR', { day: 'numeric', month: 'short' })}
                                            </span>
                                        </div>
                                    </div>

                                    {/* Event Details */}
                                    <div className="space-y-3">
                                        <div className={`flex items-center text-xs font-bold uppercase tracking-widest ${isPast ? 'text-gray-500' : 'text-brand-600'}`}>
                                            <Clock className="w-3 h-3 mr-1" />
                                            {eventDate.toLocaleDateString('fr-FR', { year: 'numeric' })}
                                            {isPast && <span className="ml-2 px-2 py-0.5 bg-gray-100 text-gray-500 rounded text-[10px]">PASSÉ</span>}
                                        </div>
                                        <h3 className={`text-2xl font-serif font-bold transition-colors leading-tight ${isPast ? 'text-gray-500' : 'text-gray-900 group-hover:text-brand-600'}`}>
                                            {event.title}
                                        </h3>
                                        <div className="flex items-center text-sm text-gray-500">
                                            <MapPin className="w-4 h-4 mr-1 text-gray-400" />
                                            {event.location}
                                        </div>
                                        <div 
                                            className="text-gray-600 text-sm line-clamp-2 prose-sm" 
                                            dangerouslySetInnerHTML={{ __html: sanitizeHTML(event.description) }} 
                                        />
                                        
                                        <div className="pt-4 flex items-center justify-between">
                                            <Link 
                                                href={`/afrolife/${event.slug || event.id}`} 
                                                className={`inline-flex items-center text-sm font-bold hover:underline group/link ${isPast ? 'text-gray-400' : 'text-brand-600'}`}
                                            >
                                                Voir les détails
                                                <ArrowRight className="w-4 h-4 ml-1 transform group-hover/link:translate-x-1 transition-transform" />
                                            </Link>
                                            {/* Decorative element */}
                                            <div className="h-px flex-1 bg-gradient-to-r from-transparent to-gray-100 ml-4"></div>
                                        </div>
                                    </div>

                                    {/* Hover glow effect */}
                                    {!isPast && (
                                        <div className="absolute -inset-px bg-gradient-to-br from-brand-500/10 to-amber-500/10 rounded-3xl opacity-0 group-hover:opacity-100 transition-opacity pointer-events-none"></div>
                                    )}
                                </div>
                            </div>

                            {/* Date Column (Desktop Only) */}
                            <div className="hidden md:flex w-[45%] justify-center items-center px-8">
                                <div className={`text-center ${isEven ? 'text-right' : 'text-left'}`}>
                                    <span className={`block text-4xl font-serif font-bold transition-colors ${isPast ? 'text-gray-100' : 'text-gray-200 group-hover:text-brand-500/20'}`}>
                                        {eventDate.toLocaleDateString('fr-FR', { month: 'long' })}
                                    </span>
                                    <span className="block text-xl font-bold text-gray-400">
                                        {eventDate.getFullYear()}
                                    </span>
                                </div>
                            </div>
                        </div>
                    );
                })}
            </div>

            {/* Decorative End Dot */}
            <div className="absolute left-4 md:left-1/2 bottom-0 w-4 h-4 bg-amber-500 rounded-full transform md:-translate-x-1/2 border-4 border-white shadow-lg"></div>
        </div>
    );
};

export default EventTimeline;