'use client';

import React from 'react';
import Link from 'next/link';
import { Button } from '@/components/ui/Button';
import { HoverShineOverlay } from '@/components/ui/HoverShineOverlay';
import { motion } from 'framer-motion';

export interface JobListingBlockProps {
  title?: string;
  showJobs?: boolean;
  showFairs?: boolean;
  fairsTitle?: string;
  fairs?: Array<{ 
    name: string; 
    date: string; 
    type: string;
    location?: string;
    booth?: string;
    url?: string;
  }>;
  emptyStateMessage?: string;
  emptyStateLinkText?: string;
  emptyStateLinkHref?: string;
}

const containerVariants = {
  hidden: { opacity: 0 },
  visible: {
    opacity: 1,
    transition: {
      staggerChildren: 0.15,
      delayChildren: 0.1,
    },
  },
};

const itemVariants = {
  hidden: { opacity: 0, y: 30 },
  visible: {
    opacity: 1,
    y: 0,
    transition: { duration: 0.8, ease: [0.16, 1, 0.3, 1] as const },
  },
};

export const JobListingBlock = (props: JobListingBlockProps) => {
  const { 
    title, 
    showJobs = true,
    showFairs,
    fairsTitle = 'Nächste Messetermine 2026',
    fairs = [
      { name: 'Intersolar München', date: '19. - 21. Juni 2026', type: 'Energie-Messe', location: 'Messe München', booth: 'Halle A3, Stand 110', url: 'https://www.intersolar.de' },
      { name: 'Windenergietage Linstow', date: '04. - 06. November 2026', type: 'Fachkongress', location: 'Van der Valk Resort Linstow', booth: 'Stand 42', url: 'https://windenergietage.de' },
      { name: 'Kabelwerkstatt Wiesbaden', date: '02. - 03. Dezember 2026', type: 'Fachmesse', location: 'RheinMain CongressCenter', booth: 'Halle 1, Stand B20' }
    ],
    emptyStateMessage = 'Aktuell sind alle Positionen besetzt. Senden Sie uns gerne eine Initiativbewerbung!',
    emptyStateLinkText = 'Jetzt Kontakt aufnehmen',
    emptyStateLinkHref = '/kontakt'
  } = props;

  // Since Payload is removed, we use an empty array or static data
  const jobs: any[] = [];

  return (
    <div className="py-12 md:py-24">
      <div className="container mx-auto">
        {showFairs && (
          <div className="mb-24 relative">
            <motion.h3 
              initial={{ opacity: 0, x: -20 }}
              whileInView={{ opacity: 1, x: 0 }}
              viewport={{ once: true, margin: "-100px" }}
              transition={{ duration: 0.8, ease: [0.16, 1, 0.3, 1] as const }}
              className="font-heading font-extrabold text-4xl text-neutral-dark mb-12 flex items-center gap-4"
            >
              <span className="w-12 h-1.5 bg-primary rounded-full" />
              {fairsTitle}
            </motion.h3>
            <motion.div 
              variants={containerVariants}
              initial="hidden"
              whileInView="visible"
              viewport={{ once: true, margin: "-100px" }}
              className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-8"
            >
              {fairs.map((messe, idx) => {
                const isLink = !!messe.url;
                const innerContent = (
                  <>
                    {/* Glass Background Elements */}
                    <div className="absolute inset-0 bg-gradient-to-br from-white/[0.03] to-transparent opacity-0 group-hover:opacity-100 transition-opacity duration-700" />
                    <div className="absolute -top-32 -right-32 w-64 h-64 bg-primary/20 blur-[100px] rounded-full group-hover:bg-primary/30 transition-colors duration-700" />
                    
                    <HoverShineOverlay shineColor="via-primary/10" />

                    <div className="relative z-10 flex-grow flex flex-col">
                      <div className="flex justify-between items-start mb-6">
                        <div className="inline-flex items-center gap-2 px-3 py-1 rounded-full bg-white/[0.05] border border-white/10 text-xs font-bold uppercase tracking-wider text-primary-light backdrop-blur-sm">
                          <span className="w-1.5 h-1.5 rounded-full bg-primary animate-pulse shadow-[0_0_8px_rgba(var(--color-primary),1)]" />
                          {messe.type}
                        </div>
                        {isLink && (
                          <div className="w-8 h-8 rounded-full bg-white/[0.05] border border-white/10 flex items-center justify-center text-white/40 group-hover:text-primary transition-colors group-hover:bg-primary/10">
                            <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5" strokeLinecap="round" strokeLinejoin="round"><path d="M7 17l9.2-9.2M17 17V7H7"/></svg>
                          </div>
                        )}
                      </div>

                      <h4 className="font-heading font-bold text-3xl text-white mb-8 group-hover:text-primary-light transition-colors leading-tight">
                        {messe.name}
                      </h4>

                      <div className="mt-auto space-y-4">
                        <div className="flex items-start gap-3">
                          <div className="w-8 h-8 rounded-full bg-white/[0.05] flex items-center justify-center text-primary shrink-0 mt-0.5">
                            <svg xmlns="http://www.w3.org/2000/svg" className="w-4 h-4" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5" strokeLinecap="round" strokeLinejoin="round"><rect x="3" y="4" width="18" height="18" rx="2" ry="2"></rect><line x1="16" y1="2" x2="16" y2="6"></line><line x1="8" y1="2" x2="8" y2="6"></line><line x1="3" y1="10" x2="21" y2="10"></line></svg>
                          </div>
                          <div>
                            <p className="text-xs text-white/40 uppercase tracking-widest font-heading mb-1">Datum</p>
                            <p className="text-white/90 font-medium">{messe.date}</p>
                          </div>
                        </div>

                        {messe.location && (
                          <div className="flex items-start gap-3">
                            <div className="w-8 h-8 rounded-full bg-white/[0.05] flex items-center justify-center text-primary shrink-0 mt-0.5">
                              <svg xmlns="http://www.w3.org/2000/svg" className="w-4 h-4" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5" strokeLinecap="round" strokeLinejoin="round"><path d="M21 10c0 7-9 13-9 13s-9-6-9-13a9 9 0 0 1 18 0z"></path><circle cx="12" cy="10" r="3"></circle></svg>
                            </div>
                            <div>
                              <p className="text-xs text-white/40 uppercase tracking-widest font-heading mb-1">Location</p>
                              <p className="text-white/90 font-medium">{messe.location}</p>
                            </div>
                          </div>
                        )}

                        {messe.booth && (
                          <div className="flex items-start gap-3">
                            <div className="w-8 h-8 rounded-full bg-white/[0.05] flex items-center justify-center text-primary shrink-0 mt-0.5">
                              <svg xmlns="http://www.w3.org/2000/svg" className="w-4 h-4" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5" strokeLinecap="round" strokeLinejoin="round"><path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"></path><polyline points="9 22 9 12 15 12 15 22"></polyline></svg>
                            </div>
                            <div>
                              <p className="text-xs text-white/40 uppercase tracking-widest font-heading mb-1">Stand</p>
                              <p className="text-primary-light font-bold text-sm">{messe.booth}</p>
                            </div>
                          </div>
                        )}
                      </div>
                    </div>
                  </>
                );

                const baseClasses = "group relative bg-[#050B14] rounded-[2rem] p-8 overflow-hidden border border-white/5 shadow-2xl transition-all duration-500 hover:scale-[1.02] hover:shadow-primary/10 flex flex-col h-full";

                if (isLink) {
                  return (
                    <motion.a variants={itemVariants} key={`fair-${idx}`} href={messe.url} target="_blank" rel="noopener noreferrer" className={`${baseClasses} cursor-pointer`}>
                      {innerContent}
                    </motion.a>
                  );
                }

                return (
                  <motion.div variants={itemVariants} key={`fair-${idx}`} className={baseClasses}>
                    {innerContent}
                  </motion.div>
                );
              })}
            </motion.div>
          </div>
        )}

        {showJobs && (
          <div className="mb-12">
            <motion.h2 
              initial={{ opacity: 0, x: -20 }}
              whileInView={{ opacity: 1, x: 0 }}
              viewport={{ once: true, margin: "-100px" }}
              transition={{ duration: 0.8, ease: [0.16, 1, 0.3, 1] as const }}
              className="font-heading font-extrabold text-4xl text-neutral-dark mb-8"
            >
              {title || 'Aktuelle Stellenangebote'}
            </motion.h2>
            
            {jobs.length > 0 ? (
              <motion.div 
                variants={containerVariants}
                initial="hidden"
                whileInView="visible"
                viewport={{ once: true, margin: "-100px" }}
                className="grid gap-6"
              >
                {jobs.map((job: any) => (
                  <motion.div variants={itemVariants} key={job.id}>
                    <Link 
                      href={`/karriere/${job.slug}`}
                      className="group bg-white border border-neutral-100 p-8 rounded-2xl shadow-sm hover:shadow-xl hover:border-primary/20 transition-all flex flex-col md:flex-row md:items-center justify-between gap-6 block"
                    >
                      <div>
                        <div className="flex items-center gap-3 mb-2">
                          <span className="px-3 py-1 bg-primary/10 text-primary text-xs font-bold rounded-full uppercase">{job.type}</span>
                          <span className="text-text-secondary text-sm font-medium">{job.department}</span>
                        </div>
                        <h4 className="font-heading font-bold text-2xl text-neutral-dark group-hover:text-primary transition-colors">{job.title}</h4>
                        <p className="text-text-secondary mt-1">{job.location}</p>
                      </div>
                      <div className="flex items-center text-primary font-bold group-hover:translate-x-2 transition-transform">
                        Details ansehen
                        <svg xmlns="http://www.w3.org/2000/svg" className="w-5 h-5 ml-2" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5" strokeLinecap="round" strokeLinejoin="round"><line x1="5" y1="12" x2="19" y2="12"></line><polyline points="12 5 19 12 12 19"></polyline></svg>
                      </div>
                    </Link>
                  </motion.div>
                ))}
              </motion.div>
            ) : (
              <motion.div 
                initial={{ opacity: 0, y: 20 }}
                whileInView={{ opacity: 1, y: 0 }}
                viewport={{ once: true, margin: "-100px" }}
                transition={{ duration: 0.8, ease: [0.16, 1, 0.3, 1] as const }}
                className="bg-neutral-50 border border-neutral-100 rounded-2xl p-12 text-center"
              >
                <p className="text-text-secondary text-lg">{emptyStateMessage}</p>
                <Button href={emptyStateLinkHref} variant="primary" className="mt-6">
                  {emptyStateLinkText}
                </Button>
              </motion.div>
            )}
          </div>
        )}
      </div>
    </div>
  );
};