import type { ReactNode } from 'react';
import { X, ExternalLink, Users, BookOpen, Calendar, Tag, FileText } from 'lucide-react';
import type { Project } from '../data';
import { useLang } from '../context/LanguageContext';

interface ProjectModalProps {
  project: Project | null;
  onClose: () => void;
}

function InfoRow({ icon, label, value }: { icon: ReactNode; label: string; value: string }) {
  return (
    <div className="flex gap-2.5 items-start">
      <span className="text-primary-gold mt-0.5 shrink-0">{icon}</span>
      <div>
        <p className="text-[10px] font-bold uppercase tracking-wider text-slate-400 leading-none mb-1">{label}</p>
        <p className="text-sm font-semibold text-slate-800 leading-snug">{value}</p>
      </div>
    </div>
  );
}

export default function ProjectModal({ project, onClose }: ProjectModalProps) {
  const { t } = useLang();
  if (!project) return null;

  return (
    <div
      className="fixed inset-0 z-[300] flex items-center justify-center p-4 bg-black/60 backdrop-blur-sm"
      onClick={onClose}
      aria-modal="true"
      role="dialog"
      aria-label={project.title}
    >
      <div
        className="bg-white rounded-xl max-w-2xl w-full max-h-[90vh] overflow-y-auto shadow-2xl animate-fade-in"
        onClick={(e) => e.stopPropagation()}
      >
        {/* Image header */}
        <div className="relative h-56 overflow-hidden rounded-t-xl bg-slate-200 shrink-0">
          <img
            src={project.image}
            alt={project.title}
            className="w-full h-full object-cover"
            referrerPolicy="no-referrer"
          />
          <div className="absolute inset-0 bg-gradient-to-t from-black/80 via-black/20 to-transparent" />

          {/* Close button */}
          <button
            onClick={onClose}
            aria-label={t.modal.close}
            className="absolute top-3 right-3 w-9 h-9 bg-white/90 backdrop-blur rounded-full flex items-center justify-center hover:bg-white transition-colors shadow-md"
          >
            <X size={18} className="text-slate-700" />
          </button>

          {/* Category badge */}
          {project.category && project.category.length > 0 && (
            <div className="absolute bottom-4 left-4 flex flex-wrap gap-2">
              {project.category.map((cat, i) => (
                <span key={i} className="bg-primary-gold text-slate-900 text-xs font-bold px-3 py-1.5 rounded flex items-center gap-1.5 uppercase tracking-wide">
                  <Tag size={12} />
                  {cat}
                </span>
              ))}
            </div>
          )}
        </div>

        {/* Content */}
        <div className="p-6">
          <h2 className="text-xl font-bold text-primary-navy leading-snug mb-5">{project.title}</h2>

          {/* Info grid */}
          <div className="grid grid-cols-2 gap-4 p-4 bg-slate-50 rounded-lg mb-5">
            {project.studentName && (
              <InfoRow icon={<Users size={14} />} label={t.modal.mahasiswa} value={project.studentName} />
            )}
            {project.nim && (
              <InfoRow icon={<BookOpen size={14} />} label={t.modal.nim} value={project.nim} />
            )}
            {project.year && (
              <InfoRow icon={<Calendar size={14} />} label={t.modal.tahun} value={String(project.year)} />
            )}
            {project.category && project.category.length > 0 && (
              <InfoRow icon={<Tag size={14} />} label={t.modal.bidang} value={project.category.join(', ')} />
            )}
          </div>

          {/* Members list */}
          {project.members && project.members.length > 0 && (
            <div className="border-t border-slate-100 pt-4 mb-4">
              <p className="text-[10px] font-bold uppercase tracking-wider text-slate-400 mb-2">Anggota Tim</p>
              <ul className="grid grid-cols-1 sm:grid-cols-2 gap-2">
                {project.members.map((m, i) => (
                  <li key={i} className="flex items-center gap-2 bg-slate-50 px-3 py-2 rounded-md border border-slate-100">
                    <span className="w-6 h-6 rounded-full bg-primary-gold/20 text-primary-gold flex items-center justify-center text-xs font-bold shrink-0">
                      {m.nama.charAt(0).toUpperCase()}
                    </span>
                    <div className="flex flex-col">
                      <span className="text-sm font-semibold text-slate-700 leading-none">{m.nama}</span>
                      {m.nim && <span className="text-[10px] text-slate-500 mt-1">{m.nim}</span>}
                    </div>
                  </li>
                ))}
              </ul>
            </div>
          )}

          {/* Description */}
          <div className="border-t border-slate-100 pt-4 mb-5">
            <p className="text-[10px] font-bold uppercase tracking-wider text-slate-400 mb-2">{t.modal.deskripsi}</p>
            <p className="text-slate-600 text-sm leading-relaxed">{project.description}</p>
            {project.catatan && (
              <div className="mt-4 p-3 bg-blue-50/50 border border-blue-100 rounded-lg">
                <p className="text-[10px] font-bold uppercase tracking-wider text-blue-400 mb-1">Catatan Tambahan</p>
                <p className="text-sm text-slate-600 italic">{project.catatan}</p>
              </div>
            )}
          </div>

          {/* Project link */}
          {project.link ? (
            <a
              href={project.link}
              target="_blank"
              rel="noopener noreferrer"
              className="flex items-center justify-center gap-2 w-full py-3 bg-primary-navy text-white font-bold rounded-lg hover:bg-untan-blue transition-colors duration-200 text-sm mb-3"
            >
              <ExternalLink size={16} />
              {t.project.visitLink}
            </a>
          ) : (
            <div className="flex items-center justify-center gap-2 w-full py-3 bg-slate-100 text-slate-400 font-bold rounded-lg text-sm mb-3 cursor-not-allowed">
              <FileText size={16} />
              {t.project.noLink}
            </div>
          )}

          <button
            onClick={onClose}
            className="w-full py-2.5 border-2 border-slate-200 text-slate-600 font-bold rounded-lg hover:border-slate-300 hover:bg-slate-50 transition-colors duration-200 text-sm"
          >
            {t.modal.close}
          </button>
        </div>
      </div>
    </div>
  );
}