import React, { useState, useMemo } from "react";
import { EventData, EventStatus, UserRole } from "../types";
import { CheckCircle, ArrowUpDown, ArrowUp, ArrowDown, AlertCircle } from "lucide-react";
import { STATUS_COLORS } from "../constants";

interface EventTableProps {
  events: EventData[];
  onEventClick: (event: EventData) => void;
  onApprove?: (e: React.MouseEvent, eventId: string) => void;
  onReject?: (e: React.MouseEvent, eventId: string, reason?: string) => void;
  userRole: UserRole;
  currentProfessionalId?: string;
  onAssignmentResponse?: (e: React.MouseEvent, eventId: string, status: string, reason?: string) => void;
  isManagingTeam?: boolean; // Nova prop para determinar se está na tela de gerenciar equipe
  professionals?: any[]; // Lista de profissionais para cálculos de gestão de equipe
  functions?: any[]; // Lista de funções disponíveis
  isLoading?: boolean;
  onFinalizeClass?: (e: React.MouseEvent, event: EventData) => void;
}

type SortField =
  | "fot"
  | "date"
  | "curso"
  | "instituicao"
  | "anoFormatura"
  | "empresa"
  | "type"
  | "status";
type SortOrder = "asc" | "desc" | null;

export const EventTable: React.FC<EventTableProps> = ({
  events,
  onEventClick,
  onApprove,
  onReject,
  userRole,
  currentProfessionalId,
  onAssignmentResponse,
  isManagingTeam = false,
  professionals = [],
  functions = [],
  isLoading = false,
  onFinalizeClass,
}) => {
  const canApprove = isManagingTeam && (userRole === UserRole.BUSINESS_OWNER || userRole === UserRole.SUPERADMIN);
  const canReject = userRole === UserRole.BUSINESS_OWNER || userRole === UserRole.SUPERADMIN;
  const isPhotographer = userRole === UserRole.PHOTOGRAPHER;

  // Função para calcular status da equipe
  const calculateTeamStatus = (event: EventData) => {
    const assignments = event.assignments || [];
    
    // Helper to check if assignment handles a specific role
    const isAssignedToRole = (assignment: any, roleSlug: string) => {
        // If assignment has a specific function ID, check against that function's name
        if (assignment.funcaoId && professionals && professionals.length > 0) {
            // Find the function definition in the professionals list or a separate functions list?
            // The plan said pass `functions` list.
            // But checking `assignment.funcaoId` against `functions` list is cleaner.
            // Let's assume we receive `functions` prop.
            if (functions) {
                const func = functions.find((f:any) => f.id === assignment.funcaoId);
                if (func) {
                     return func.nome.toLowerCase().includes(roleSlug.toLowerCase());
                }
            }
        }

        // Fallback for legacy data or if assignment.funcaoId is missing (backward compatibility)
        // Check the professional's capability (OLD BEHAVIOR - CAUSES DOUBLE COUNT if multi-role)
        // ONLY fallback if funcaoId is missing.
        if (!assignment.funcaoId) {
             const professional = professionals.find(p => p.id === assignment.professionalId);
             if (!professional) return false;
             
             // Check functions array first
             if (professional.functions && professional.functions.length > 0) {
                return professional.functions.some((f: any) => f.nome.toLowerCase().includes(roleSlug.toLowerCase()));
             }
             return (professional.role || "").toLowerCase().includes(roleSlug.toLowerCase());
        }
        
        return false;
    };

    // Contadores de profissionais aceitos por tipo
    const acceptedFotografos = assignments.filter(a => 
      a.status === "ACEITO" && isAssignedToRole(a, "fot")
    ).length;
    
    const acceptedRecepcionistas = assignments.filter(a => 
      a.status === "ACEITO" && isAssignedToRole(a, "recep")
    ).length;
    
    const acceptedCinegrafistas = assignments.filter(a => 
      a.status === "ACEITO" && isAssignedToRole(a, "cine")
    ).length;

    // Quantidades necessárias
    const qtdFotografos = event.qtdFotografos || 0;
    const qtdRecepcionistas = event.qtdRecepcionistas || 0;
    const qtdCinegrafistas = event.qtdCinegrafistas || 0;

    // Calcular faltantes
    const fotoFaltante = Math.max(0, qtdFotografos - acceptedFotografos);
    const recepFaltante = Math.max(0, qtdRecepcionistas - acceptedRecepcionistas);
    const cineFaltante = Math.max(0, qtdCinegrafistas - acceptedCinegrafistas);

    // Verificar se todos os profissionais estão OK
    const profissionaisOK = fotoFaltante === 0 && recepFaltante === 0 && cineFaltante === 0;

    return {
      acceptedFotografos,
      acceptedRecepcionistas,
      acceptedCinegrafistas,
      fotoFaltante,
      recepFaltante,
      cineFaltante,
      profissionaisOK
    };
  };

  const [sortField, setSortField] = useState<SortField | null>(null);
  const [sortOrder, setSortOrder] = useState<SortOrder>(null);

  const handleSort = (field: SortField) => {
    if (sortField === field) {
      if (sortOrder === "asc") {
        setSortOrder("desc");
      } else if (sortOrder === "desc") {
        setSortOrder(null);
        setSortField(null);
      }
    } else {
      setSortField(field);
      setSortOrder("asc");
    }
  };

  const sortedEvents = useMemo(() => {
    if (!sortField || !sortOrder) {
      return events;
    }

    const sorted = [...events].sort((a, b) => {
      let aValue: any;
      let bValue: any;

      switch (sortField) {
        case "fot":
          aValue = (a as any).fotId || "";
          bValue = (b as any).fotId || "";
          break;
        case "date":
          // Parse date robustly
          const dateA = a.date ? new Date(a.date.includes('T') ? a.date : a.date + "T00:00:00") : new Date(0);
          const dateB = b.date ? new Date(b.date.includes('T') ? b.date : b.date + "T00:00:00") : new Date(0);
          aValue = !isNaN(dateA.getTime()) ? dateA.getTime() : 0;
          bValue = !isNaN(dateB.getTime()) ? dateB.getTime() : 0;
          break;
        case "curso":
          aValue = ((a as any).curso || "").toLowerCase();
          bValue = ((b as any).curso || "").toLowerCase();
          break;
        case "instituicao":
          aValue = ((a as any).instituicao || "").toLowerCase();
          bValue = ((b as any).instituicao || "").toLowerCase();
          break;
        case "anoFormatura":
          aValue = (a as any).anoFormatura || 0;
          bValue = (b as any).anoFormatura || 0;
          break;
        case "empresa":
          aValue = ((a as any).empresa || "").toLowerCase();
          bValue = ((b as any).empresa || "").toLowerCase();
          break;
        case "type":
          aValue = a.type.toLowerCase();
          bValue = b.type.toLowerCase();
          break;
        case "status":
          aValue = a.status.toLowerCase();
          bValue = b.status.toLowerCase();
          break;
        default:
          return 0;
      }

      if (aValue < bValue) return sortOrder === "asc" ? -1 : 1;
      if (aValue > bValue) return sortOrder === "asc" ? 1 : -1;
      return 0;
    });

    return sorted;
  }, [events, sortField, sortOrder]);

  // Pagination State
  const [currentPage, setCurrentPage] = useState(1);
  const itemsPerPage = 50;

  const totalPages = Math.ceil(sortedEvents.length / itemsPerPage);
  const paginatedEvents = useMemo(() => {
    const start = (currentPage - 1) * itemsPerPage;
    return sortedEvents.slice(start, start + itemsPerPage);
  }, [sortedEvents, currentPage]);

  // Reset page when filters/sort change (implicitly when sortedEvents length changes drastically, though here sortedEvents updates)
  React.useEffect(() => {
    setCurrentPage(1);
  }, [events.length, sortField, sortOrder]); // Reset if data source changes significantly

  const getSortIcon = (field: SortField) => {
    if (sortField !== field) {
      return (
        <ArrowUpDown
          size={14}
          className="opacity-0 group-hover:opacity-50 transition-opacity"
        />
      );
    }
    if (sortOrder === "asc") {
      return <ArrowUp size={14} className="text-brand-gold" />;
    }
    return <ArrowDown size={14} className="text-brand-gold" />;
  };

  const formatDate = (date: string) => {
    const eventDate = new Date(date + "T00:00:00");
    return eventDate.toLocaleDateString("pt-BR", {
      day: "2-digit",
      month: "2-digit",
      year: "numeric",
    });
  };

  const getStatusDisplay = (status: EventStatus) => {
    const statusLabels: Record<EventStatus, string> = {
      [EventStatus.PENDING_APPROVAL]: "Pendente",
      [EventStatus.CONFIRMED]: "Confirmado",
      [EventStatus.PLANNING]: "Planejamento",
      [EventStatus.IN_PROGRESS]: "Em Andamento",
      [EventStatus.DELIVERED]: "Entregue",
      [EventStatus.ARCHIVED]: "Arquivado",
    };
    return statusLabels[status] || status;
  };

  // Scroll Sync Logic
  const tableContainerRef = React.useRef<HTMLDivElement>(null);
  const topScrollRef = React.useRef<HTMLDivElement>(null);
  const [tableScrollWidth, setTableScrollWidth] = useState(0);

  // Sync scroll width
  React.useEffect(() => {
    if (tableContainerRef.current) {
        setTableScrollWidth(tableContainerRef.current.scrollWidth);
    }
  }, [events, sortedEvents, isManagingTeam]); // Dependencies that change table width

  const handleTopScroll = () => {
    if (topScrollRef.current && tableContainerRef.current) {
      tableContainerRef.current.scrollLeft = topScrollRef.current.scrollLeft;
    }
  };

  const handleTableScroll = () => {
    if (topScrollRef.current && tableContainerRef.current) {
      topScrollRef.current.scrollLeft = tableContainerRef.current.scrollLeft;
    }
  };

  return (
    <div className="bg-white rounded-lg border border-gray-200 overflow-hidden shadow-sm flex flex-col">
      {/* Mobile Card View */}
      <div className="md:hidden divide-y divide-gray-100">
        {sortedEvents.map((event) => {
          let photographerAssignment = null;
          if (isPhotographer && currentProfessionalId && event.assignments) {
            photographerAssignment = event.assignments.find(a => a.professionalId === currentProfessionalId);
          }

          return (
            <div
              key={event.id}
              className="p-4 hover:bg-gray-50 active:bg-gray-100 transition-colors cursor-pointer"
              onClick={() => onEventClick(event)}
            >
              <div className="flex justify-between items-start mb-2">
                <div>
                  <span className="font-bold text-gray-900 block">FOT {event.fot || "-"}</span>
                  <span className="text-xs text-gray-500">{event.type}</span>
                </div>
                <span className="text-sm font-medium text-gray-600 bg-gray-100 px-2 py-1 rounded">
                  {formatDate(event.date)}
                </span>
              </div>

              <div className="mb-3 space-y-1">
                <p className="text-sm text-gray-800 font-medium">{event.curso || "Sem curso defined"}</p>
                <p className="text-sm text-gray-600">{event.instituicao || "-"}</p>
                <div className="flex items-center gap-2 text-xs text-gray-500">
                  <span>{event.empresa || "-"}</span>
                  <span>•</span>
                  <span>{event.anoFormatura || "-"}</span>
                </div>
              </div>

              <div className="flex justify-between items-center mt-3 pt-3 border-t border-gray-50">
                <span
                  className={`inline-flex items-center px-2 py-1 rounded-full text-xs font-medium ${STATUS_COLORS[event.status] || "bg-gray-100 text-gray-800"}`}
                >
                  {getStatusDisplay(event.status)}
                </span>

                {(canApprove || canReject || isPhotographer) && (
                  <div onClick={(e) => e.stopPropagation()} className="flex items-center gap-2">
                    {canApprove && event.status === EventStatus.PENDING_APPROVAL && (
                      <button
                        onClick={(e) => onApprove?.(e, event.id)}
                        className="bg-green-500 text-white p-2 rounded-full hover:bg-green-600 transition-colors shadow-sm"
                        title="Aprovar evento"
                      >
                        <CheckCircle size={16} />
                      </button>
                    )}
                    
                    {canReject && !canApprove && event.status === EventStatus.PENDING_APPROVAL && (
                      <button
                        onClick={(e) => {
                          const reason = prompt("Motivo da rejeição (opcional):");
                          onReject?.(e, event.id, reason || undefined);
                        }}
                        className="bg-red-500 text-white p-2 rounded-full hover:bg-red-600 transition-colors shadow-sm"
                        title="Recusar evento"
                      >
                        ✕
                      </button>
                    )}

                    {isPhotographer && photographerAssignment && (
                      <>
                        {photographerAssignment.status === "PENDENTE" && (
                          <div className="flex gap-2">
                            <button
                              onClick={(e) => onAssignmentResponse?.(e, event.id, "ACEITO")}
                              className="bg-green-100 text-green-700 px-3 py-1 rounded-md text-xs font-bold border border-green-200"
                            >
                              Aceitar
                            </button>
                            <button
                              onClick={(e) => {
                                const reason = prompt("Motivo da rejeição (opcional):");
                                onAssignmentResponse?.(e, event.id, "REJEITADO", reason || undefined);
                              }}
                              className="bg-red-100 text-red-700 px-3 py-1 rounded-md text-xs font-bold border border-red-200"
                            >
                              Rejeitar
                            </button>
                          </div>
                        )}
                        {photographerAssignment.status === "ACEITO" && (
                          <span className="text-green-600 text-xs font-bold border border-green-200 bg-green-50 px-2 py-1 rounded">Aceito</span>
                        )}
                        {photographerAssignment.status === "REJEITADO" && (
                          <span className="text-red-600 text-xs font-bold border border-red-200 bg-red-50 px-2 py-1 rounded">Rejeitado</span>
                        )}
                      </>
                    )}
                  </div>
                )}
              </div>
            </div>
          );
        })}
      </div>

      <div className="hidden md:block overflow-x-auto border-b border-gray-200 bg-gray-50 mb-1"
           ref={topScrollRef}
           onScroll={handleTopScroll}
           style={{ minHeight: '12px' }}
      >
        <div style={{ width: tableScrollWidth > 0 ? tableScrollWidth : '100%', height: '1px' }}></div>
      </div>

      <div className="hidden md:block">
         <PaginationControls
            currentPage={currentPage}
            totalPages={totalPages}
            onPageChange={setCurrentPage}
         />
      </div>

      <div 
        className="hidden md:block overflow-x-auto"
        ref={tableContainerRef}
        onScroll={handleTableScroll}
      >
        <table className="w-full">
          <thead className="bg-gray-50 border-b border-gray-200">
            <tr>
              <th
                className="px-4 py-3 text-left text-xs font-semibold text-gray-600 uppercase tracking-wider cursor-pointer hover:bg-gray-100 transition-colors group"
                onClick={() => handleSort("fot")}
              >
                <div className="flex items-center gap-2">
                  FOT
                  {getSortIcon("fot")}
                </div>
              </th>
              <th
                className="px-4 py-3 text-left text-xs font-semibold text-gray-600 uppercase tracking-wider cursor-pointer hover:bg-gray-100 transition-colors group"
                onClick={() => handleSort("date")}
              >
                <div className="flex items-center gap-2">
                  Data
                  {getSortIcon("date")}
                </div>
              </th>
              <th
                className="px-4 py-3 text-left text-xs font-semibold text-gray-600 uppercase tracking-wider cursor-pointer hover:bg-gray-100 transition-colors group"
                onClick={() => handleSort("curso")}
              >
                <div className="flex items-center gap-2">
                  Curso
                  {getSortIcon("curso")}
                </div>
              </th>
              <th
                className="px-4 py-3 text-left text-xs font-semibold text-gray-600 uppercase tracking-wider cursor-pointer hover:bg-gray-100 transition-colors group"
                onClick={() => handleSort("instituicao")}
              >
                <div className="flex items-center gap-2">
                  Instituição
                  {getSortIcon("instituicao")}
                </div>
              </th>
              <th
                className="px-4 py-3 text-left text-xs font-semibold text-gray-600 uppercase tracking-wider cursor-pointer hover:bg-gray-100 transition-colors group"
                onClick={() => handleSort("anoFormatura")}
              >
                <div className="flex items-center gap-2">
                  Ano Formatura
                  {getSortIcon("anoFormatura")}
                </div>
              </th>
              <th
                className="px-4 py-3 text-left text-xs font-semibold text-gray-600 uppercase tracking-wider cursor-pointer hover:bg-gray-100 transition-colors group"
                onClick={() => handleSort("empresa")}
              >
                <div className="flex items-center gap-2">
                  Empresa
                  {getSortIcon("empresa")}
                </div>
              </th>
              <th
                className="px-4 py-3 text-left text-xs font-semibold text-gray-600 uppercase tracking-wider cursor-pointer hover:bg-gray-100 transition-colors group"
                onClick={() => handleSort("type")}
              >
                <div className="flex items-center gap-2">
                  Tipo Evento
                  {getSortIcon("type")}
                </div>
              </th>
              <th
                className="px-4 py-3 text-left text-xs font-semibold text-gray-600 uppercase tracking-wider cursor-pointer hover:bg-gray-100 transition-colors group"
                onClick={() => handleSort("status")}
              >
                <div className="flex items-center gap-2">
                  Status
                  {getSortIcon("status")}
                </div>
              </th>
              {/* Novas colunas de gestão de equipe */}
              {(userRole === UserRole.BUSINESS_OWNER || userRole === UserRole.SUPERADMIN) && (
                <>
                  <th className="px-3 py-3 text-center text-xs font-semibold text-gray-600 uppercase tracking-wider" title="Quantidade de Formandos">
                    QTD Form.
                  </th>
                  <th className="px-3 py-3 text-center text-xs font-semibold text-gray-600 uppercase tracking-wider" title="Quantidade de Fotógrafos">
                    Fotóg.
                  </th>
                  <th className="px-3 py-3 text-center text-xs font-semibold text-gray-600 uppercase tracking-wider" title="Quantidade de Recepcionistas">
                    Recep.
                  </th>
                  <th className="px-3 py-3 text-center text-xs font-semibold text-gray-600 uppercase tracking-wider" title="Quantidade de Cinegrafistas">
                    Cine.
                  </th>
                  <th className="px-3 py-3 text-center text-xs font-semibold text-gray-600 uppercase tracking-wider" title="Quantidade de Estúdios">
                    Estúd.
                  </th>
                  <th className="px-3 py-3 text-center text-xs font-semibold text-gray-600 uppercase tracking-wider" title="Pontos de Foto">
                    Pts. Foto
                  </th>
                  <th className="px-3 py-3 text-center text-xs font-semibold text-gray-600 uppercase tracking-wider" title="Pontos Decorados">
                    Pts. Dec.
                  </th>
                  <th className="px-3 py-3 text-center text-xs font-semibold text-gray-600 uppercase tracking-wider" title="Pontos de LED">
                    Pts. LED
                  </th>
                  <th className="px-3 py-3 text-center text-xs font-semibold text-gray-600 uppercase tracking-wider" title="Profissionais Confirmados?">
                    Prof. OK?
                  </th>
                  <th className="px-3 py-3 text-center text-xs font-semibold text-gray-600 uppercase tracking-wider" title="Fotógrafos Faltantes/Pendentes">
                    Fot. Falt.
                  </th>
                  <th className="px-3 py-3 text-center text-xs font-semibold text-gray-600 uppercase tracking-wider" title="Recepcionistas Faltantes/Pendentes">
                    Rec. Falt.
                  </th>
                  <th className="px-3 py-3 text-center text-xs font-semibold text-gray-600 uppercase tracking-wider" title="Cinegrafistas Faltantes/Pendentes">
                    Cin. Falt.
                  </th>
                </>
              )}
              {(canApprove || isPhotographer) && (
                <th className="px-4 py-3 text-left text-xs font-semibold text-gray-600 uppercase tracking-wider w-32">
                  Ações
                </th>
              )}
            </tr>
          </thead>
          <tbody className="divide-y divide-gray-100">
            {isLoading ? (
              <tr>
                <td colSpan={12} className="py-20 text-center">
                  <div className="flex flex-col items-center justify-center">
                     <div className="w-10 h-10 border-4 border-gray-100 rounded-full border-t-brand-gold animate-spin mb-4"></div>
                     <p className="text-gray-500 font-medium">Carregando dados...</p>
                  </div>
                </td>
              </tr>
            ) : (
              paginatedEvents.map((event) => {
              // Logic to find photographer assignment status
              let photographerAssignment = null;
              if (isPhotographer && currentProfessionalId && event.assignments) {
                photographerAssignment = event.assignments.find(a => a.professionalId === currentProfessionalId);
              }

              return (
                <tr
                  key={event.id}
                  onClick={() => onEventClick(event)}
                  className={`cursor-pointer transition-colors ${event.fot_finalizada ? "bg-red-50 hover:bg-red-100 border-l-4 border-l-red-500" : "hover:bg-gray-50"}`}
                >
                  <td className="px-4 py-3">
                    <span className="text-sm font-medium text-gray-900">
                      {event.fot || "-"}
                    </span>
                  </td>
                  <td className="px-4 py-3">
                    <span className="text-sm text-gray-600">
                      {formatDate(event.date)}
                    </span>
                  </td>
                  <td className="px-4 py-3">
                    <span className="text-sm text-gray-600">
                      {event.curso || "-"}
                    </span>
                  </td>
                  <td className="px-4 py-3">
                    <span className="text-sm text-gray-600">
                      {event.instituicao || "-"}
                    </span>
                  </td>
                  <td className="px-4 py-3">
                    <span className="text-sm text-gray-600">
                      {event.anoFormatura || "-"}
                    </span>
                  </td>
                  <td className="px-4 py-3">
                    <span className="text-sm text-gray-600">
                      {event.empresa || "-"}
                    </span>
                  </td>
                  <td className="px-4 py-3">
                    <span className="text-sm text-gray-600">{event.type}</span>
                  </td>
                  <td className="px-4 py-3">
                    <span
                      className={`inline-flex items-center px-2 py-1 rounded-full text-xs font-medium ${STATUS_COLORS[event.status] || "bg-gray-100 text-gray-800"
                        }`}
                    >
                      {getStatusDisplay(event.status)}
                    </span>
                  </td>
                  {/* Novas células de gestão de equipe */}
                  {(userRole === UserRole.BUSINESS_OWNER || userRole === UserRole.SUPERADMIN) && (() => {
                    const teamStatus = calculateTeamStatus(event);
                    return (
                      <>
                        <td className="px-3 py-3 text-center">
                          <span className="text-xs text-gray-900">
                            {event.qtdFormandos || event.attendees || "-"}
                          </span>
                        </td>
                        <td className="px-3 py-3 text-center">
                          <span className="text-xs text-gray-900">
                            {event.qtdFotografos || "-"}
                          </span>
                        </td>
                        <td className="px-3 py-3 text-center">
                          <span className="text-xs text-gray-900">
                            {event.qtdRecepcionistas || "-"}
                          </span>
                        </td>
                        <td className="px-3 py-3 text-center">
                          <span className="text-xs text-gray-900">
                            {event.qtdCinegrafistas || "-"}
                          </span>
                        </td>
                        <td className="px-3 py-3 text-center">
                          <span className="text-xs text-gray-900">
                            {event.qtdEstudios || "-"}
                          </span>
                        </td>
                        <td className="px-3 py-3 text-center">
                          <span className="text-xs text-gray-900">
                            {event.qtdPontosFoto || "-"}
                          </span>
                        </td>
                        <td className="px-3 py-3 text-center">
                          <span className="text-xs text-gray-900">
                            {event.qtdPontosDecorados || "-"}
                          </span>
                        </td>
                        <td className="px-3 py-3 text-center">
                          <span className="text-xs text-gray-900">
                            {event.qtdPontosLed || "-"}
                          </span>
                        </td>
                        <td className="px-3 py-3 text-center">
                          <span className={`inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium ${
                            teamStatus.profissionaisOK 
                              ? "bg-green-100 text-green-800" 
                              : "bg-red-100 text-red-800"
                          }`}>
                            {teamStatus.profissionaisOK ? "✓" : "✗"}
                          </span>
                        </td>
                        <td className="px-3 py-3 text-center">
                          <span className={`text-xs font-medium ${
                            teamStatus.fotoFaltante > 0 ? "text-red-600" : "text-green-600"
                          }`}>
                            {teamStatus.fotoFaltante}
                          </span>
                        </td>
                        <td className="px-3 py-3 text-center">
                          <span className={`text-xs font-medium ${
                            teamStatus.recepFaltante > 0 ? "text-red-600" : "text-green-600"
                          }`}>
                            {teamStatus.recepFaltante}
                          </span>
                        </td>
                        <td className="px-3 py-3 text-center">
                          <span className={`text-xs font-medium ${
                            teamStatus.cineFaltante > 0 ? "text-red-600" : "text-green-600"
                          }`}>
                            {teamStatus.cineFaltante}
                          </span>
                        </td>
                      </>
                    );
                  })()}
                  {(canApprove || canReject || isPhotographer) && (
                    <td
                      className="px-4 py-3"
                      onClick={(e) => e.stopPropagation()}
                    >
                      <div className="flex items-center gap-2">
                        {canApprove && event.status === EventStatus.PENDING_APPROVAL && (
                          <div className="flex flex-col gap-1">
                          <button
                            onClick={(e) => {
                              onApprove?.(e, event.id);
                            }}
                            className="px-2 py-1 rounded text-xs font-semibold flex items-center gap-1 whitespace-nowrap transition-colors bg-green-500 text-white hover:bg-green-600"
                            title="Aprovar evento"
                          >
                            <CheckCircle size={12} />
                            Aprovar
                          </button>
                          </div>
                        )}
                        
                        {canReject && !canApprove && event.status === EventStatus.PENDING_APPROVAL && (
                          <button
                            onClick={(e) => {
                              const reason = prompt("Motivo da rejeição (opcional):");
                              onReject?.(e, event.id, reason || undefined);
                            }}
                            className="bg-red-500 text-white px-2 py-1 rounded text-xs font-semibold hover:bg-red-600 transition-colors flex items-center gap-1 whitespace-nowrap"
                            title="Recusar evento"
                          >
                            ✕ Recusar
                          </button>
                        )}

                        {isPhotographer && photographerAssignment && (
                          <>
                            {photographerAssignment.status === "PENDENTE" && (
                              <>
                                <button
                                  onClick={(e) => onAssignmentResponse?.(e, event.id, "ACEITO")}
                                  className="bg-green-500 text-white px-2 py-1 rounded text-xs font-semibold hover:bg-green-600 transition-colors"
                                  title="Aceitar"
                                >
                                  Aceitar
                                </button>
                                <button
                                  onClick={(e) => {
                                    const reason = prompt("Motivo da rejeição (opcional):");
                                    onAssignmentResponse?.(e, event.id, "REJEITADO", reason || undefined);
                                  }}
                                  className="bg-red-500 text-white px-2 py-1 rounded text-xs font-semibold hover:bg-red-600 transition-colors"
                                  title="Rejeitar"
                                >
                                  Rejeitar
                                </button>
                              </>
                            )}
                            {photographerAssignment.status === "ACEITO" && (
                              <span className="text-green-600 text-xs font-bold border border-green-200 bg-green-50 px-2 py-1 rounded">Aceito</span>
                            )}
                            {photographerAssignment.status === "REJEITADO" && (
                              <div className="flex items-center gap-2">
                                <span className="text-red-600 text-xs font-bold border border-red-200 bg-red-50 px-2 py-1 rounded">Rejeitado</span>
                                {photographerAssignment.reason && (
                                  <button
                                    onClick={(e) => {
                                      e.stopPropagation();
                                      alert(`Motivo: ${photographerAssignment.reason}`);
                                    }}
                                    className="bg-gray-100 text-gray-600 px-2 py-1 rounded text-xs hover:bg-gray-200 transition-colors"
                                    title="Ver motivo"
                                  >
                                    Motivo
                                  </button>
                                )}
                              </div>
                            )}
                          </>
                        )}
                      </div>

                      <div className="mt-1">
                             {(userRole === UserRole.BUSINESS_OWNER || userRole === UserRole.SUPERADMIN) && onFinalizeClass && (
                                <button
                                    onClick={(e) => {
                                        e.stopPropagation();
                                        onFinalizeClass(e, event);
                                    }}
                                    className={`px-2 py-1 rounded text-xs font-semibold flex items-center gap-1 whitespace-nowrap transition-colors border ${event.fot_finalizada ? "bg-green-100 text-green-700 border-green-200" : "bg-red-50 text-red-700 border-red-200"}`}
                                    title={event.fot_finalizada ? "Reabrir Turma" : "Finalizar Turma"}
                                >
                                    <AlertCircle size={12} />
                                    {event.fot_finalizada ? "Reabrir" : "Finalizar"}
                                </button>
                             )}
                      </div>
                    </td>
                  )}
                </tr>
              );
            })
          )}
          </tbody>
        </table>
      </div>

      {/* Pagination Controls */}
      <PaginationControls
        currentPage={currentPage}
        totalPages={totalPages}
        onPageChange={setCurrentPage}
      />

      {sortedEvents.length === 0 && (
        <div className="text-center py-12 text-gray-500">
          <p>Nenhum evento encontrado.</p>
        </div>
      )}
    </div>
  );
};

interface PaginationControlsProps {
  currentPage: number;
  totalPages: number;
  onPageChange: (page: number) => void;
}

const PaginationControls: React.FC<PaginationControlsProps> = ({ currentPage, totalPages, onPageChange }) => {
  if (totalPages <= 1) return null;

  return (
        <div className="flex items-center justify-between px-4 py-3 bg-white border-t border-b border-gray-200 sm:px-6">
          <div className="flex justify-between w-full sm:hidden">
            <button
              onClick={() => onPageChange(Math.max(1, currentPage - 1))}
              disabled={currentPage === 1}
              className="relative inline-flex items-center px-4 py-2 text-sm font-medium text-gray-700 bg-white border border-gray-300 rounded-md hover:bg-gray-50 disabled:opacity-50"
            >
              Anterior
            </button>
            <button
              onClick={() => onPageChange(Math.min(totalPages, currentPage + 1))}
              disabled={currentPage === totalPages}
              className="relative ml-3 inline-flex items-center px-4 py-2 text-sm font-medium text-gray-700 bg-white border border-gray-300 rounded-md hover:bg-gray-50 disabled:opacity-50"
            >
              Próxima
            </button>
          </div>
          <div className="hidden sm:flex sm:flex-1 sm:items-center sm:justify-between">
            <div>
              <p className="text-sm text-gray-700">
                Mostrando página <span className="font-medium">{currentPage}</span> de{" "}
                <span className="font-medium">{totalPages}</span>
              </p>
            </div>
            <div>
              <nav className="inline-flex -space-x-px rounded-md shadow-sm" aria-label="Pagination">
                <button
                   onClick={() => onPageChange(Math.max(1, currentPage - 1))}
                   disabled={currentPage === 1}
                   className="relative inline-flex items-center rounded-l-md px-2 py-2 text-gray-400 ring-1 ring-inset ring-gray-300 hover:bg-gray-50 focus:z-20 focus:outline-offset-0 disabled:opacity-50"
                >
                  <span className="sr-only">Anterior</span>
                  <svg className="h-5 w-5" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
                    <path fillRule="evenodd" d="M12.79 5.23a.75.75 0 01-.02 1.06L8.832 10l3.938 3.71a.75.75 0 11-1.04 1.08l-4.5-4.25a.75.75 0 010-1.08l4.5-4.25a.75.75 0 011.06.02z" clipRule="evenodd" />
                  </svg>
                </button>
                {/* Simplified Pagination Numbers */}
                {[...Array(Math.min(5, totalPages))].map((_, idx) => {
                    // Logic to show pages around current
                    let pageNum = currentPage;
                    if (totalPages <= 5) pageNum = idx + 1;
                    else if (currentPage <= 3) pageNum = idx + 1;
                    else if (currentPage >= totalPages - 2) pageNum = totalPages - 4 + idx;
                    else pageNum = currentPage - 2 + idx;

                    return (
                        <button
                            key={pageNum}
                            onClick={() => onPageChange(pageNum)}
                            className={`relative inline-flex items-center px-4 py-2 text-sm font-semibold ${currentPage === pageNum ? 'bg-brand-gold text-white focus:z-20 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-brand-gold' : 'text-gray-900 ring-1 ring-inset ring-gray-300 hover:bg-gray-50 focus:z-20 focus:outline-offset-0'}`}
                        >
                            {pageNum}
                        </button>
                    )
                })}
                <button
                  onClick={() => onPageChange(Math.min(totalPages, currentPage + 1))}
                  disabled={currentPage === totalPages}
                  className="relative inline-flex items-center rounded-r-md px-2 py-2 text-gray-400 ring-1 ring-inset ring-gray-300 hover:bg-gray-50 focus:z-20 focus:outline-offset-0 disabled:opacity-50"
                >
                  <span className="sr-only">Próxima</span>
                  <svg className="h-5 w-5" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
                    <path fillRule="evenodd" d="M7.21 14.77a.75.75 0 01.02-1.06L11.168 10 7.23 6.29a.75.75 0 111.04-1.08l4.5 4.25a.75.75 0 010 1.08l-4.5 4.25a.75.75 0 01-1.06-.02z" clipRule="evenodd" />
                  </svg>
                </button>
              </nav>
            </div>
          </div>
        </div>
  );
};