import React from 'react';
import { useCalendarioAtendimentos } from '../../hooks/useCalendarioAtendimentos';
import { CalendarIcon, UserIcon, PresentationChartBarIcon } from '@heroicons/react/24/outline';

export const CalendarioAtendimentos: React.FC = () => {
  const { data: eventos = [], isLoading, error } = useCalendarioAtendimentos();

  // Simulação de calendário mensal
  const diasMes = Array.from({ length: 30 }, (_, i) => i + 1);
  const mes = '06';
  const ano = '2024';

  const hoje = new Date();
  const hojeStr = `${ano}-${mes}-${hoje.getDate().toString().padStart(2, '0')}`;

  // Separar eventos futuros/próximos e passados
  const eventosProximos = eventos
    .filter(ev => ev.data >= hojeStr)
    .sort((a, b) => a.data.localeCompare(b.data))
    .slice(0, 10);
  const eventosPassados = eventos
    .filter(ev => ev.data < hojeStr)
    .sort((a, b) => b.data.localeCompare(a.data))
    .slice(0, 10);

  if (isLoading) return <div>Carregando calendário...</div>;
  if (error) return <div className="text-red-600">Erro ao buscar eventos</div>;

  return (
    <div className="border rounded-xl p-4 shadow-lg bg-white dark:bg-gray-900 flex flex-col gap-6 max-w-4xl mx-auto">
      <h2 className="text-lg font-bold text-gray-800 dark:text-gray-100 mb-2 flex items-center gap-2">
        <CalendarIcon className="h-6 w-6 text-blue-600" /> Calendário de Atendimentos e Audiências
      </h2>
      <div className="grid grid-cols-7 gap-2 mb-4">
        {diasMes.map((dia) => {
          const dataStr = `${ano}-${mes}-${dia.toString().padStart(2, '0')}`;
          const eventosDia = eventos.filter(e => e.data === dataStr);
          return (
            <div key={dia} className={`h-12 flex flex-col items-center justify-center border rounded-lg shadow-sm transition-all text-[11px] ${eventosDia.length ? 'bg-blue-50 dark:bg-blue-900 border-blue-400' : 'bg-gray-50 dark:bg-gray-800'}`}> 
              <span className="font-bold text-[11px] text-gray-700 dark:text-gray-200">{dia}</span>
              {eventosDia.map((ev) => (
                <span key={ev.id} className={`text-[10px] font-semibold flex items-center gap-1 whitespace-nowrap ${ev.tipo === 'Audiência' ? 'text-red-600' : 'text-blue-700'}`}> 
                  {ev.tipo === 'Audiência' ? <PresentationChartBarIcon className="h-3 w-3" /> : <UserIcon className="h-3 w-3" />} {ev.tipo}
                </span>
              ))}
            </div>
          );
        })}
      </div>
      <div className="grid grid-cols-2 gap-8">
        <div>
          <h3 className="font-semibold mb-2 flex items-center gap-2"><CalendarIcon className="h-5 w-5 text-blue-600" /> Próximos eventos</h3>
          <ul className="text-xs divide-y divide-gray-200 dark:divide-gray-700">
            {eventosProximos.length === 0 && <li className="text-gray-400">Nenhum evento futuro</li>}
            {eventosProximos.map((ev) => (
              <li key={ev.id} className="py-2 flex flex-wrap items-center gap-3">
                {ev.tipo === 'Audiência' ? <PresentationChartBarIcon className="h-4 w-4 text-red-600" /> : <UserIcon className="h-4 w-4 text-blue-600" />}
                <span className="font-bold min-w-[70px]">{ev.data}</span>
                <span className="px-2 py-1 rounded text-xs font-semibold bg-gray-100 dark:bg-gray-800 text-gray-700 dark:text-gray-200 min-w-[80px] text-center">{ev.tipo}</span>
                <span className="text-gray-600 dark:text-gray-300 break-words max-w-xs">{ev.descricao}</span>
              </li>
            ))}
          </ul>
        </div>
        <div>
          <h3 className="font-semibold mb-2 flex items-center gap-2"><CalendarIcon className="h-5 w-5 text-gray-500" /> Últimos eventos</h3>
          <ul className="text-xs divide-y divide-gray-200 dark:divide-gray-700">
            {eventosPassados.length === 0 && <li className="text-gray-400">Nenhum evento anterior</li>}
            {eventosPassados.map((ev) => (
              <li key={ev.id} className="py-2 flex flex-wrap items-center gap-3">
                {ev.tipo === 'Audiência' ? <PresentationChartBarIcon className="h-4 w-4 text-red-600" /> : <UserIcon className="h-4 w-4 text-blue-600" />}
                <span className="font-bold min-w-[70px]">{ev.data}</span>
                <span className="px-2 py-1 rounded text-xs font-semibold bg-gray-100 dark:bg-gray-800 text-gray-700 dark:text-gray-200 min-w-[80px] text-center">{ev.tipo}</span>
                <span className="text-gray-600 dark:text-gray-300 break-words max-w-xs">{ev.descricao}</span>
              </li>
            ))}
          </ul>
        </div>
      </div>
    </div>
  );
};