167 lines
8.7 KiB
TypeScript
167 lines
8.7 KiB
TypeScript
"use client";
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import { useState, useEffect } from "react";
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import { lmsApi, Notification } from "@/lib/api";
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import { useAuth } from "@/context/AuthContext";
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import { Bell, X, Calendar, Info, AlertTriangle, CheckCircle2 } from "lucide-react";
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import Link from "next/link";
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export default function NotificationCenter() {
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const [notifications, setNotifications] = useState<Notification[]>([]);
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const [isOpen, setIsOpen] = useState(false);
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const [loading, setLoading] = useState(false);
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const { user } = useAuth();
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const fetchNotifications = async () => {
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if (!user) return;
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setLoading(true);
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try {
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const data = await lmsApi.getNotifications();
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setNotifications(data);
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} catch (err) {
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console.error("Failed to fetch notifications", err);
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} finally {
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setLoading(false);
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}
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};
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useEffect(() => {
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if (user) {
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fetchNotifications();
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// Poll every 5 minutes
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const interval = setInterval(fetchNotifications, 300000);
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return () => clearInterval(interval);
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}
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}, [user]);
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const markAsRead = async (id: string) => {
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try {
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await lmsApi.markNotificationAsRead(id);
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setNotifications(prev => prev.map(n => n.id === id ? { ...n, is_read: true } : n));
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} catch (err) {
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console.error("Failed to mark as read", err);
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}
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};
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const unreadCount = notifications.filter(n => !n.is_read).length;
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const getIcon = (type: string) => {
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switch (type) {
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case 'deadline': return <Calendar className="text-red-400" size={18} />;
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case 'warning': return <AlertTriangle className="text-amber-400" size={18} />;
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case 'success': return <CheckCircle2 className="text-green-400" size={18} />;
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default: return <Info className="text-blue-400" size={18} />;
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}
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};
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return (
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<div className="relative">
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<button
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onClick={() => setIsOpen(!isOpen)}
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className="relative p-2 rounded-xl glass border-white/10 text-gray-400 hover:text-white transition-all hover:bg-white/5"
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aria-label={`Notifications ${unreadCount > 0 ? `(${unreadCount} unread)` : ''}`}
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aria-haspopup="true"
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aria-expanded={isOpen}
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>
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<Bell size={20} aria-hidden="true" />
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{unreadCount > 0 && (
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<span
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className="absolute top-0 right-0 w-5 h-5 bg-red-500 text-white text-[10px] font-black rounded-full flex items-center justify-center border-2 border-[#1a1c20] -translate-to-1/4"
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aria-hidden="true"
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>
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{unreadCount}
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</span>
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)}
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</button>
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{isOpen && (
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<>
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<div className="fixed inset-0 z-40" onClick={() => setIsOpen(false)} />
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<div
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className="absolute right-0 mt-4 w-96 glass-card border-white/10 z-50 shadow-2xl animate-in fade-in zoom-in-95 duration-200 overflow-hidden bg-[#1a1c20]/95 backdrop-blur-xl"
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role="dialog"
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aria-label="Notifications Panel"
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>
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<div className="p-4 border-b border-white/5 flex items-center justify-between bg-white/5">
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<h3 className="text-sm font-black uppercase tracking-widest text-white">Notificaciones</h3>
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<button
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onClick={() => setIsOpen(false)}
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className="text-gray-500 hover:text-white p-1"
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aria-label="Close notifications"
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>
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<X size={18} />
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</button>
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</div>
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<div className="max-h-[400px] overflow-y-auto">
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{loading && notifications.length === 0 ? (
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<div className="p-12 text-center animate-pulse text-gray-500 text-xs font-bold uppercase tracking-widest">Cargando...</div>
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) : notifications.length === 0 ? (
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<div className="p-12 text-center text-gray-500 text-xs font-bold uppercase tracking-widest italic">No hay notificaciones</div>
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) : (
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<ul className="divide-y divide-white/5">
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{notifications.map((n) => (
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<li
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key={n.id}
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role="button"
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tabIndex={0}
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className={`p-4 hover:bg-white/5 transition-all group cursor-pointer outline-none focus:bg-white/5 ${!n.is_read ? 'bg-blue-500/5' : ''}`}
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onClick={() => !n.is_read && markAsRead(n.id)}
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onKeyDown={(e) => {
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if (e.key === 'Enter' || e.key === ' ') {
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!n.is_read && markAsRead(n.id);
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}
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}}
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aria-label={`Notification: ${n.title}. ${n.message}`}
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>
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<div className="flex gap-4">
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<div className="mt-1" aria-hidden="true">{getIcon(n.notification_type)}</div>
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<div className="flex-1 space-y-1">
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<p className="text-sm font-bold text-white leading-tight">{n.title}</p>
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<p className="text-xs text-gray-400 leading-relaxed">{n.message}</p>
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<div className="flex items-center justify-between pt-2">
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<span className="text-[10px] font-bold text-gray-600 uppercase tracking-widest">
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{new Date(n.created_at).toLocaleDateString()}
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</span>
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{n.link_url && (
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<Link
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href={n.link_url}
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className="text-[10px] font-black uppercase tracking-widest text-blue-400 hover:text-blue-300 flex items-center gap-1"
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onClick={(e) => {
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e.stopPropagation();
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setIsOpen(false);
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}}
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>
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Ver detalles →
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</Link>
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)}
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</div>
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</div>
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</div>
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</li>
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))}
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</ul>
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)}
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</div>
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{notifications.length > 0 && (
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<div className="p-4 border-t border-white/5 bg-white/5 text-center">
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<button
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className="text-[10px] font-black uppercase tracking-widest text-gray-500 hover:text-white transition-colors"
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aria-label="Marcar todas las notificaciones como leídas"
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onClick={() => {
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notifications.filter(n => !n.is_read).forEach(n => markAsRead(n.id));
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}}
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>
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Marcar todas como leídas
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</button>
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</div>
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)}
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</div>
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</>
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)}
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</div>
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);
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}
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