'use client';

import { Calendar } from 'lucide-react';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';

export function CalendarMiniWidget() {
  const today = new Date();
  const daysInMonth = new Date(
    today.getFullYear(),
    today.getMonth() + 1,
    0
  ).getDate();
  const firstDay = new Date(
    today.getFullYear(),
    today.getMonth(),
    1
  ).getDay();

  return (
    <Card className="h-full border-0 shadow-none">
      <CardHeader className="p-0 pb-3">
        <CardTitle className="flex items-center gap-2 text-base">
          <Calendar className="h-4 w-4" aria-hidden="true" />
          {today.toLocaleString('default', { month: 'long' })}
        </CardTitle>
      </CardHeader>
      <CardContent className="p-0">
        <div className="grid grid-cols-7 gap-1 text-center text-xs">
          {['S', 'M', 'T', 'W', 'T', 'F', 'S'].map((day, i) => (
            <div key={i} className="font-semibold text-muted-foreground">
              {day}
            </div>
          ))}
          {Array.from({ length: firstDay }).map((_, i) => (
            <div key={`empty-${i}`} />
          ))}
          {Array.from({ length: daysInMonth }).map((_, i) => {
            const day = i + 1;
            const isToday = day === today.getDate();
            return (
              <div
                key={day}
                className={`rounded p-1 ${
                  isToday
                    ? 'bg-primary text-primary-foreground font-semibold'
                    : ''
                }`}
              >
                {day}
              </div>
            );
          })}
        </div>
      </CardContent>
    </Card>
  );
}