/**
 * User Management Page
 *
 * Manage organization users, roles, and invitations
 */

'use client';

import { useState, useEffect } from 'react';
import { useRouter } from 'next/navigation';
import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import { listUsers, updateUser, deleteUser, canInviteUser } from '@/lib/api';
import { createInvitation, listInvitations, cancelInvitation } from '@/lib/api/invitations';
import { useAuth } from '@/lib/context/auth-context';
import Link from 'next/link';
import ExportButton from '@/components/ExportButton';

const PAGE_SIZE = 5;

function Pagination({
  page,
  total,
  onPage,
}: {
  page: number;
  total: number;
  onPage: (p: number) => void;
}) {
  const totalPages = Math.ceil(total / PAGE_SIZE);
  if (totalPages <= 1) return null;

  return (
    <div className="px-6 py-3 flex items-center justify-between border-t border-gray-200">
      <p className="text-sm text-gray-500">
        {Math.min((page - 1) * PAGE_SIZE + 1, total)}–{Math.min(page * PAGE_SIZE, total)} sur {total}
      </p>
      <div className="flex items-center gap-1">
        <button
          onClick={() => onPage(page - 1)}
          disabled={page === 1}
          className="px-3 py-1 rounded text-sm border border-gray-300 disabled:opacity-40 hover:bg-gray-50"
        >
          ‹
        </button>
        {Array.from({ length: totalPages }, (_, i) => i + 1).map(p => (
          <button
            key={p}
            onClick={() => onPage(p)}
            className={`px-3 py-1 rounded text-sm border ${
              p === page
                ? 'bg-blue-600 text-white border-blue-600'
                : 'border-gray-300 hover:bg-gray-50'
            }`}
          >
            {p}
          </button>
        ))}
        <button
          onClick={() => onPage(page + 1)}
          disabled={page === totalPages}
          className="px-3 py-1 rounded text-sm border border-gray-300 disabled:opacity-40 hover:bg-gray-50"
        >
          ›
        </button>
      </div>
    </div>
  );
}

export default function UsersManagementPage() {
  const router = useRouter();
  const queryClient = useQueryClient();
  const { user: currentUser } = useAuth();
  const [showInviteModal, setShowInviteModal] = useState(false);
  const [openMenuId, setOpenMenuId] = useState<string | null>(null);
  const [menuPosition, setMenuPosition] = useState<{ top: number; left: number } | null>(null);
  const [usersPage, setUsersPage] = useState(1);
  const [invitationsPage, setInvitationsPage] = useState(1);
  const [inviteForm, setInviteForm] = useState({
    email: '',
    firstName: '',
    lastName: '',
    role: 'USER' as 'ADMIN' | 'MANAGER' | 'USER' | 'VIEWER',
  });
  const [error, setError] = useState('');
  const [success, setSuccess] = useState('');

  const { data: users, isLoading } = useQuery({
    queryKey: ['users'],
    queryFn: () => listUsers(),
  });

  const { data: licenseStatus } = useQuery({
    queryKey: ['canInvite'],
    queryFn: () => canInviteUser(),
  });

  const { data: pendingInvitations } = useQuery({
    queryKey: ['invitations'],
    queryFn: () => listInvitations(),
  });

  const inviteMutation = useMutation({
    mutationFn: (data: typeof inviteForm) => createInvitation(data),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['users'] });
      queryClient.invalidateQueries({ queryKey: ['canInvite'] });
      queryClient.invalidateQueries({ queryKey: ['invitations'] });
      setSuccess("Invitation envoyée avec succès ! L'utilisateur recevra un email avec un lien d'inscription.");
      setShowInviteModal(false);
      setInviteForm({ email: '', firstName: '', lastName: '', role: 'USER' });
      setInvitationsPage(1);
      setTimeout(() => setSuccess(''), 5000);
    },
    onError: (err: any) => {
      setError(err.response?.data?.message || "Échec de l'envoi de l'invitation");
      setTimeout(() => setError(''), 5000);
    },
  });

  const changeRoleMutation = useMutation({
    mutationFn: ({ id, role }: { id: string; role: 'ADMIN' | 'MANAGER' | 'USER' | 'VIEWER' }) =>
      updateUser(id, { role }),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['users'] });
      setSuccess('Rôle mis à jour avec succès');
      setTimeout(() => setSuccess(''), 3000);
    },
    onError: (err: any) => {
      setError(err.response?.data?.message || 'Échec de la mise à jour du rôle');
      setTimeout(() => setError(''), 5000);
    },
  });

  const toggleActiveMutation = useMutation({
    mutationFn: ({ id, isActive }: { id: string; isActive: boolean }) =>
      updateUser(id, { isActive: !isActive }),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['users'] });
      queryClient.invalidateQueries({ queryKey: ['canInvite'] });
      setSuccess("Statut de l'utilisateur mis à jour avec succès");
      setTimeout(() => setSuccess(''), 3000);
    },
    onError: (err: any) => {
      setError(err.response?.data?.message || 'Échec de la mise à jour du statut');
      setTimeout(() => setError(''), 5000);
    },
  });

  const deleteMutation = useMutation({
    mutationFn: (id: string) => deleteUser(id),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['users'] });
      queryClient.invalidateQueries({ queryKey: ['canInvite'] });
      setSuccess('Utilisateur supprimé avec succès');
      setTimeout(() => setSuccess(''), 3000);
    },
    onError: (err: any) => {
      setError(err.response?.data?.message || "Échec de la suppression de l'utilisateur");
      setTimeout(() => setError(''), 5000);
    },
  });

  const cancelInvitationMutation = useMutation({
    mutationFn: (id: string) => cancelInvitation(id),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['invitations'] });
      queryClient.invalidateQueries({ queryKey: ['canInvite'] });
      setSuccess('Invitation annulée avec succès');
      setTimeout(() => setSuccess(''), 3000);
    },
    onError: (err: any) => {
      setError(err.response?.data?.message || "Échec de l'annulation de l'invitation");
      setTimeout(() => setError(''), 5000);
    },
  });

  useEffect(() => {
    if (currentUser && currentUser.role !== 'ADMIN' && currentUser.role !== 'MANAGER') {
      router.push('/dashboard');
    }
  }, [currentUser, router]);

  if (!currentUser || (currentUser.role !== 'ADMIN' && currentUser.role !== 'MANAGER')) {
    return (
      <div className="flex items-center justify-center min-h-screen">
        <div className="animate-spin rounded-full h-12 w-12 border-b-2 border-blue-600"></div>
      </div>
    );
  }

  const handleInvite = (e: React.FormEvent) => {
    e.preventDefault();
    setError('');
    inviteMutation.mutate(inviteForm);
  };

  const handleRoleChange = (userId: string, newRole: string) => {
    changeRoleMutation.mutate({ id: userId, role: newRole as 'ADMIN' | 'MANAGER' | 'USER' | 'VIEWER' });
  };

  const handleToggleActive = (userId: string, isActive: boolean) => {
    if (window.confirm(`Êtes-vous sûr de vouloir ${isActive ? 'désactiver' : 'activer'} cet utilisateur ?`)) {
      toggleActiveMutation.mutate({ id: userId, isActive });
    }
  };

  const handleDelete = (userId: string) => {
    if (window.confirm('Êtes-vous sûr de vouloir supprimer cet utilisateur ? Cette action est irréversible.')) {
      deleteMutation.mutate(userId);
    }
  };

  const handleCancelInvitation = (invId: string, name: string) => {
    if (window.confirm(`Annuler l'invitation envoyée à ${name} ?`)) {
      cancelInvitationMutation.mutate(invId);
    }
  };

  const getRoleBadgeColor = (role: string) => {
    const colors: Record<string, string> = {
      ADMIN: 'bg-red-100 text-red-800',
      MANAGER: 'bg-blue-100 text-blue-800',
      USER: 'bg-green-100 text-green-800',
      VIEWER: 'bg-gray-100 text-gray-800',
    };
    return colors[role] || 'bg-gray-100 text-gray-800';
  };

  const allUsers = users?.users || [];
  const pagedUsers = allUsers.slice((usersPage - 1) * PAGE_SIZE, usersPage * PAGE_SIZE);

  const allPending = (pendingInvitations || []).filter(inv => !inv.isUsed);
  const pagedInvitations = allPending.slice((invitationsPage - 1) * PAGE_SIZE, invitationsPage * PAGE_SIZE);

  return (
    <div className="space-y-6">
      {/* License Warning */}
      {licenseStatus && !licenseStatus.canInvite && (
        <div className="bg-amber-50 border border-amber-200 rounded-lg p-4">
          <div className="flex items-start">
            <div className="flex-shrink-0">
              <svg className="h-5 w-5 text-amber-400" fill="currentColor" viewBox="0 0 20 20">
                <path fillRule="evenodd" d="M8.257 3.099c.765-1.36 2.722-1.36 3.486 0l5.58 9.92c.75 1.334-.213 2.98-1.742 2.98H4.42c-1.53 0-2.493-1.646-1.743-2.98l5.58-9.92zM11 13a1 1 0 11-2 0 1 1 0 012 0zm-1-8a1 1 0 00-1 1v3a1 1 0 002 0V6a1 1 0 00-1-1z" clipRule="evenodd" />
              </svg>
            </div>
            <div className="ml-3 flex-1">
              <h3 className="text-sm font-medium text-amber-800">Limite de licences atteinte</h3>
              <p className="mt-1 text-sm text-amber-700">
                Votre organisation a utilisé toutes les licences disponibles ({licenseStatus.usedLicenses}/{licenseStatus.maxLicenses}).
                Mettez à niveau votre abonnement pour inviter plus d'utilisateurs.
              </p>
              <div className="mt-3">
                <Link href="/dashboard/settings/subscription" className="text-sm font-medium text-amber-800 hover:text-amber-900 underline">
                  Mettre à niveau l'abonnement
                </Link>
              </div>
            </div>
          </div>
        </div>
      )}

      {/* License Usage Info */}
      {licenseStatus && licenseStatus.canInvite && licenseStatus.availableLicenses <= 2 && licenseStatus.maxLicenses !== -1 && (
        <div className="bg-blue-50 border border-blue-200 rounded-lg p-4">
          <div className="flex items-center justify-between">
            <div className="flex items-center">
              <svg className="h-5 w-5 text-blue-400 mr-2" fill="currentColor" viewBox="0 0 20 20">
                <path fillRule="evenodd" d="M18 10a8 8 0 11-16 0 8 8 0 0116 0zm-7-4a1 1 0 11-2 0 1 1 0 012 0zM9 9a1 1 0 000 2v3a1 1 0 001 1h1a1 1 0 100-2v-3a1 1 0 00-1-1H9z" clipRule="evenodd" />
              </svg>
              <span className="text-sm text-blue-800">
                {licenseStatus.availableLicenses} licence{licenseStatus.availableLicenses !== 1 ? 's' : ''} restante{licenseStatus.availableLicenses !== 1 ? 's' : ''} ({licenseStatus.usedLicenses}/{licenseStatus.maxLicenses} utilisées)
              </span>
            </div>
            <Link href="/dashboard/settings/subscription" className="text-sm font-medium text-blue-600 hover:text-blue-800">
              Gérer l'abonnement
            </Link>
          </div>
        </div>
      )}

      {/* Header */}
      <div className="flex items-center justify-between">
        <div>
          <h1 className="text-2xl font-bold text-gray-900">Gestion des Utilisateurs</h1>
          <p className="text-sm text-gray-500 mt-1">Gérez les membres de l'équipe et leurs permissions</p>
        </div>
        <div className="flex items-center space-x-3">
          <ExportButton
            data={allUsers}
            filename="utilisateurs"
            columns={[
              { key: 'firstName', label: 'Prénom' },
              { key: 'lastName', label: 'Nom' },
              { key: 'email', label: 'Email' },
              { key: 'role', label: 'Rôle', format: (v) => ({ ADMIN: 'Administrateur', MANAGER: 'Manager', USER: 'Utilisateur', VIEWER: 'Lecteur' }[v] || v) },
              { key: 'isActive', label: 'Statut', format: (v) => v ? 'Actif' : 'Inactif' },
              { key: 'createdAt', label: 'Date de création', format: (v) => v ? new Date(v).toLocaleDateString('fr-FR') : '' },
            ]}
          />
          {licenseStatus?.canInvite ? (
            <button
              onClick={() => setShowInviteModal(true)}
              className="inline-flex items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-blue-600 hover:bg-blue-700"
            >
              <span className="mr-2">+</span>
              Inviter un utilisateur
            </button>
          ) : (
            <Link
              href="/dashboard/settings/subscription"
              className="inline-flex items-center px-4 py-2 border border-transparent text-sm font-medium rounded-md text-white bg-amber-600 hover:bg-amber-700"
            >
              <span className="mr-2">+</span>
              Mettre à niveau
            </Link>
          )}
        </div>
      </div>

      {success && (
        <div className="rounded-md bg-green-50 p-4">
          <div className="text-sm text-green-800">{success}</div>
        </div>
      )}

      {error && (
        <div className="rounded-md bg-red-50 p-4">
          <div className="text-sm text-red-800">{error}</div>
        </div>
      )}

      {/* Users Table */}
      <div className="bg-white rounded-lg shadow">
        <div className="px-6 py-4 border-b border-gray-200">
          <h2 className="text-lg font-medium text-gray-900">Utilisateurs</h2>
          {allUsers.length > 0 && (
            <p className="text-sm text-gray-500 mt-1">{allUsers.length} membre{allUsers.length !== 1 ? 's' : ''}</p>
          )}
        </div>
        {isLoading ? (
          <div className="px-6 py-12 text-center text-gray-500">
            <div className="animate-spin rounded-full h-12 w-12 border-b-2 border-blue-600 mx-auto mb-4"></div>
            Chargement des utilisateurs...
          </div>
        ) : pagedUsers.length > 0 ? (
          <>
            <div className="overflow-x-auto overflow-y-visible">
              <table className="min-w-full divide-y divide-gray-200">
                <thead className="bg-gray-50">
                  <tr>
                    <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Utilisateur</th>
                    <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Email</th>
                    <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Rôle</th>
                    <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Statut</th>
                    <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Date de création</th>
                    <th className="px-6 py-3 text-right text-xs font-medium text-gray-500 uppercase tracking-wider">Actions</th>
                  </tr>
                </thead>
                <tbody className="bg-white divide-y divide-gray-200">
                  {pagedUsers.map(user => (
                    <tr key={user.id} className="hover:bg-gray-50">
                      <td className="px-6 py-4 whitespace-nowrap">
                        <div className="flex items-center">
                          <div className="flex-shrink-0 h-10 w-10 bg-blue-600 rounded-full flex items-center justify-center text-white font-semibold">
                            {user.firstName[0]}{user.lastName[0]}
                          </div>
                          <div className="ml-4">
                            <div className="text-sm font-medium text-gray-900">{user.firstName} {user.lastName}</div>
                            <div className="text-sm text-gray-500">{user.email}</div>
                          </div>
                        </div>
                      </td>
                      <td className="px-6 py-4 whitespace-nowrap">
                        <div className="text-sm text-gray-900">{user.email}</div>
                      </td>
                      <td className="px-6 py-4 whitespace-nowrap">
                        <select
                          value={user.role}
                          onChange={e => handleRoleChange(user.id, e.target.value)}
                          className={`text-xs font-semibold rounded-full px-3 py-1 ${getRoleBadgeColor(user.role)}`}
                          disabled={
                            changeRoleMutation.isPending ||
                            (user.role === 'ADMIN' && currentUser?.role !== 'ADMIN') ||
                            user.id === currentUser?.id
                          }
                        >
                          {currentUser?.role === 'ADMIN' && <option value="ADMIN">Admin</option>}
                          <option value="MANAGER">Manager</option>
                          <option value="USER">User</option>
                          <option value="VIEWER">Viewer</option>
                        </select>
                      </td>
                      <td className="px-6 py-4 whitespace-nowrap">
                        <span className={`px-3 py-1 inline-flex text-xs leading-5 font-semibold rounded-full ${user.isActive ? 'bg-green-100 text-green-800' : 'bg-red-100 text-red-800'}`}>
                          {user.isActive ? 'Actif' : 'Inactif'}
                        </span>
                      </td>
                      <td className="px-6 py-4 whitespace-nowrap text-sm text-gray-500">
                        {new Date(user.createdAt).toLocaleDateString('fr-FR')}
                      </td>
                      <td className="px-6 py-4 whitespace-nowrap text-right text-sm font-medium">
                        <button
                          onClick={(e) => {
                            if (openMenuId === user.id) {
                              setOpenMenuId(null);
                              setMenuPosition(null);
                            } else {
                              const rect = e.currentTarget.getBoundingClientRect();
                              setMenuPosition({ top: rect.bottom + 5, left: rect.left - 180 });
                              setOpenMenuId(user.id);
                            }
                          }}
                          className="p-2 hover:bg-gray-100 rounded-lg transition-colors"
                        >
                          <svg className="w-5 h-5 text-gray-600" fill="currentColor" viewBox="0 0 20 20">
                            <path d="M10 6a2 2 0 110-4 2 2 0 010 4zM10 12a2 2 0 110-4 2 2 0 010 4zM10 18a2 2 0 110-4 2 2 0 010 4z" />
                          </svg>
                        </button>
                      </td>
                    </tr>
                  ))}
                </tbody>
              </table>
            </div>
            <Pagination page={usersPage} total={allUsers.length} onPage={p => { setUsersPage(p); setOpenMenuId(null); }} />
          </>
        ) : (
          <div className="px-6 py-12 text-center">
            <svg className="mx-auto h-12 w-12 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 4.354a4 4 0 110 5.292M15 21H3v-1a6 6 0 0112 0v1zm0 0h6v-1a6 6 0 00-9-5.197M13 7a4 4 0 11-8 0 4 4 0 018 0z" />
            </svg>
            <h3 className="mt-2 text-sm font-medium text-gray-900">Aucun utilisateur</h3>
            <p className="mt-1 text-sm text-gray-500">Commencez par inviter un membre de l'équipe</p>
            <div className="mt-6">
              {licenseStatus?.canInvite ? (
                <button onClick={() => setShowInviteModal(true)} className="inline-flex items-center px-4 py-2 border border-transparent shadow-sm text-sm font-medium rounded-md text-white bg-blue-600 hover:bg-blue-700">
                  <span className="mr-2">+</span>
                  Inviter un utilisateur
                </button>
              ) : (
                <Link href="/dashboard/settings/subscription" className="inline-flex items-center px-4 py-2 border border-transparent shadow-sm text-sm font-medium rounded-md text-white bg-amber-600 hover:bg-amber-700">
                  <span className="mr-2">+</span>
                  Mettre à niveau
                </Link>
              )}
            </div>
          </div>
        )}
      </div>

      {/* Pending Invitations */}
      {allPending.length > 0 && (
        <div className="bg-white rounded-lg shadow">
          <div className="px-6 py-4 border-b border-gray-200">
            <h2 className="text-lg font-medium text-gray-900">Invitations en attente</h2>
            <p className="text-sm text-gray-500 mt-1">
              Utilisateurs invités mais n'ayant pas encore créé leur compte — {allPending.length} invitation{allPending.length !== 1 ? 's' : ''}
            </p>
          </div>
          <div className="overflow-x-auto">
            <table className="min-w-full divide-y divide-gray-200">
              <thead className="bg-gray-50">
                <tr>
                  <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Utilisateur</th>
                  <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Email</th>
                  <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Rôle</th>
                  <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Expire le</th>
                  <th className="px-6 py-3 text-left text-xs font-medium text-gray-500 uppercase tracking-wider">Statut</th>
                  <th className="px-6 py-3 text-right text-xs font-medium text-gray-500 uppercase tracking-wider">Actions</th>
                </tr>
              </thead>
              <tbody className="bg-white divide-y divide-gray-200">
                {pagedInvitations.map(inv => {
                  const isExpired = new Date(inv.expiresAt) < new Date();
                  return (
                    <tr key={inv.id} className="hover:bg-gray-50">
                      <td className="px-6 py-4 whitespace-nowrap">
                        <div className="flex items-center">
                          <div className="flex-shrink-0 h-10 w-10 bg-gray-200 rounded-full flex items-center justify-center text-gray-500 font-semibold">
                            {inv.firstName[0]}{inv.lastName[0]}
                          </div>
                          <div className="ml-4">
                            <div className="text-sm font-medium text-gray-900">{inv.firstName} {inv.lastName}</div>
                          </div>
                        </div>
                      </td>
                      <td className="px-6 py-4 whitespace-nowrap text-sm text-gray-900">{inv.email}</td>
                      <td className="px-6 py-4 whitespace-nowrap">
                        <span className={`px-3 py-1 inline-flex text-xs leading-5 font-semibold rounded-full ${getRoleBadgeColor(inv.role)}`}>
                          {inv.role}
                        </span>
                      </td>
                      <td className="px-6 py-4 whitespace-nowrap text-sm text-gray-500">
                        {new Date(inv.expiresAt).toLocaleDateString('fr-FR')}
                      </td>
                      <td className="px-6 py-4 whitespace-nowrap">
                        <span className={`px-3 py-1 inline-flex text-xs leading-5 font-semibold rounded-full ${isExpired ? 'bg-red-100 text-red-800' : 'bg-yellow-100 text-yellow-800'}`}>
                          {isExpired ? 'Expirée' : 'En attente'}
                        </span>
                      </td>
                      <td className="px-6 py-4 whitespace-nowrap text-right">
                        <button
                          onClick={() => handleCancelInvitation(inv.id, `${inv.firstName} ${inv.lastName}`)}
                          disabled={cancelInvitationMutation.isPending}
                          className="inline-flex items-center px-3 py-1 text-xs font-medium text-red-600 hover:text-red-800 hover:bg-red-50 rounded-md transition-colors disabled:opacity-50"
                        >
                          <svg className="w-4 h-4 mr-1" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
                          </svg>
                          Annuler
                        </button>
                      </td>
                    </tr>
                  );
                })}
              </tbody>
            </table>
          </div>
          <Pagination page={invitationsPage} total={allPending.length} onPage={setInvitationsPage} />
        </div>
      )}

      {/* Actions Menu Modal */}
      {openMenuId && menuPosition && (
        <>
          <div
            className="fixed inset-0 z-[998]"
            onClick={() => { setOpenMenuId(null); setMenuPosition(null); }}
          />
          <div
            className="fixed w-56 bg-white border-2 border-gray-300 rounded-lg shadow-2xl z-[999]"
            style={{ top: `${menuPosition.top}px`, left: `${menuPosition.left}px` }}
          >
            <div className="py-2">
              <button
                onClick={() => {
                  const user = users?.users.find(u => u.id === openMenuId);
                  if (user) handleToggleActive(user.id, user.isActive);
                  setOpenMenuId(null);
                  setMenuPosition(null);
                }}
                disabled={toggleActiveMutation.isPending}
                className="w-full px-4 py-3 text-left hover:bg-gray-50 disabled:opacity-50 disabled:cursor-not-allowed flex items-center space-x-3 border-b border-gray-200"
              >
                {users?.users.find(u => u.id === openMenuId)?.isActive ? (
                  <>
                    <svg className="w-5 h-5 text-orange-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M18.364 18.364A9 9 0 005.636 5.636m12.728 12.728A9 9 0 015.636 5.636m12.728 12.728L5.636 5.636" />
                    </svg>
                    <span className="text-sm font-medium text-gray-700">Désactiver</span>
                  </>
                ) : (
                  <>
                    <svg className="w-5 h-5 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z" />
                    </svg>
                    <span className="text-sm font-medium text-gray-700">Activer</span>
                  </>
                )}
              </button>
              <button
                onClick={() => {
                  if (openMenuId) handleDelete(openMenuId);
                  setOpenMenuId(null);
                  setMenuPosition(null);
                }}
                disabled={deleteMutation.isPending}
                className="w-full px-4 py-3 text-left hover:bg-red-50 disabled:opacity-50 disabled:cursor-not-allowed flex items-center space-x-3"
              >
                <svg className="w-5 h-5 text-red-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
                </svg>
                <span className="text-sm font-medium text-red-600">Supprimer</span>
              </button>
            </div>
          </div>
        </>
      )}

      {/* Invite Modal */}
      {showInviteModal && (
        <div className="fixed inset-0 z-50 overflow-y-auto">
          <div className="flex items-center justify-center min-h-screen px-4 pt-4 pb-20 text-center sm:block sm:p-0">
            <div className="fixed inset-0 transition-opacity bg-gray-500 bg-opacity-75" onClick={() => setShowInviteModal(false)} />
            <div className="inline-block align-bottom bg-white rounded-lg px-4 pt-5 pb-4 text-left overflow-hidden shadow-xl transform transition-all sm:my-8 sm:align-middle sm:max-w-lg sm:w-full sm:p-6">
              <div>
                <div className="flex items-center justify-between mb-4">
                  <h3 className="text-lg font-medium text-gray-900">Inviter un utilisateur</h3>
                  <button onClick={() => setShowInviteModal(false)} className="text-gray-400 hover:text-gray-500">
                    <svg className="h-6 w-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
                    </svg>
                  </button>
                </div>
                <form onSubmit={handleInvite} className="space-y-4">
                  <div className="grid grid-cols-2 gap-4">
                    <div>
                      <label className="block text-sm font-medium text-gray-700">Prénom *</label>
                      <input
                        type="text"
                        required
                        value={inviteForm.firstName}
                        onChange={e => setInviteForm({ ...inviteForm, firstName: e.target.value })}
                        className="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500 sm:text-sm px-3 py-2 border"
                      />
                    </div>
                    <div>
                      <label className="block text-sm font-medium text-gray-700">Nom *</label>
                      <input
                        type="text"
                        required
                        value={inviteForm.lastName}
                        onChange={e => setInviteForm({ ...inviteForm, lastName: e.target.value })}
                        className="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500 sm:text-sm px-3 py-2 border"
                      />
                    </div>
                  </div>
                  <div>
                    <label className="block text-sm font-medium text-gray-700">Adresse email *</label>
                    <input
                      type="email"
                      required
                      value={inviteForm.email}
                      onChange={e => setInviteForm({ ...inviteForm, email: e.target.value })}
                      className="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500 sm:text-sm px-3 py-2 border"
                    />
                  </div>
                  <div>
                    <label className="block text-sm font-medium text-gray-700">Rôle *</label>
                    <select
                      value={inviteForm.role}
                      onChange={e => setInviteForm({ ...inviteForm, role: e.target.value as any })}
                      className="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-blue-500 focus:ring-blue-500 sm:text-sm px-3 py-2 border"
                    >
                      <option value="USER">Utilisateur</option>
                      <option value="MANAGER">Manager</option>
                      {currentUser?.role === 'ADMIN' && <option value="ADMIN">Administrateur</option>}
                      <option value="VIEWER">Lecteur</option>
                    </select>
                    {currentUser?.role !== 'ADMIN' && (
                      <p className="mt-1 text-xs text-gray-500">Seuls les administrateurs peuvent attribuer le rôle ADMIN</p>
                    )}
                  </div>
                  <div className="mt-5 sm:mt-6 sm:grid sm:grid-cols-2 sm:gap-3 sm:grid-flow-row-dense">
                    <button
                      type="submit"
                      disabled={inviteMutation.isPending}
                      className="w-full inline-flex justify-center rounded-md border border-transparent shadow-sm px-4 py-2 bg-blue-600 text-base font-medium text-white hover:bg-blue-700 sm:col-start-2 sm:text-sm disabled:bg-gray-400"
                    >
                      {inviteMutation.isPending ? 'Envoi en cours...' : "Envoyer l'invitation"}
                    </button>
                    <button
                      type="button"
                      onClick={() => setShowInviteModal(false)}
                      className="mt-3 w-full inline-flex justify-center rounded-md border border-gray-300 shadow-sm px-4 py-2 bg-white text-base font-medium text-gray-700 hover:bg-gray-50 sm:mt-0 sm:col-start-1 sm:text-sm"
                    >
                      Annuler
                    </button>
                  </div>
                </form>
              </div>
            </div>
          </div>
        </div>
      )}
    </div>
  );
}