'use client';

import { useState, useEffect, useCallback, memo } from 'react';
import { useRouter } from 'next/navigation';
import { useNotification } from './NotificationProvider';
import { AVAILABLE_PAGES } from '@/lib/pages';

interface AdherentOption {
  id: string;
  type: 'situation' | 'prescripteur' | 'facturation' | 'forfait';
  value: string;
  order: number;
}

interface OptionsByType {
  situation: AdherentOption[];
  prescripteur: AdherentOption[];
  facturation: AdherentOption[];
  forfait: AdherentOption[];
}

// Composant OptionCard mémorisé pour éviter les re-renders inutiles
const OptionCard = memo(({
  type,
  label,
  icon,
  options,
  loading,
  editingId,
  editingValue,
  newValue,
  onEdit,
  onSaveEdit,
  onCancelEdit,
  onDelete,
  onAdd,
  onNewValueChange,
  onEditingValueChange,
}: {
  type: 'situation' | 'prescripteur' | 'facturation' | 'forfait';
  label: string;
  icon: React.ReactNode;
  options: AdherentOption[];
  loading: boolean;
  editingId: string | null;
  editingValue: string;
  newValue: string;
  onEdit: (option: AdherentOption) => void;
  onSaveEdit: (id: string, type: 'situation' | 'prescripteur' | 'facturation' | 'forfait') => void;
  onCancelEdit: () => void;
  onDelete: (id: string) => void;
  onAdd: (type: 'situation' | 'prescripteur' | 'facturation' | 'forfait') => void;
  onNewValueChange: (type: 'situation' | 'prescripteur' | 'facturation' | 'forfait', value: string) => void;
  onEditingValueChange: (value: string) => void;
}) => {
  return (
    <div className="bg-white rounded-xl shadow-sm border border-gray-100 p-6">
      <div className="flex items-center gap-3 mb-6">
        <div className="w-10 h-10 rounded-lg bg-lblue/10 flex items-center justify-center">
          {icon}
        </div>
        <h3 className="text-lg font-bold text-gray-900">{label}</h3>
        <span className="ml-auto px-3 py-1 text-xs font-semibold rounded-full bg-gray-100 text-gray-600">
          {options.length} option{options.length > 1 ? 's' : ''}
        </span>
      </div>

      {/* Liste des options */}
      <div className="space-y-2 mb-4">
        {loading ? (
          <div className="text-center py-4 text-gray-500">Chargement...</div>
        ) : options.length === 0 ? (
          <div className="text-center py-4 text-gray-500 text-sm">
            Aucune option configurée
          </div>
        ) : (
          options.map((option) => (
            <div
              key={option.id}
              className="flex items-center gap-3 p-3 bg-gray-50 rounded-lg border border-gray-200 hover:border-gray-300 transition-colors"
            >
              {editingId === option.id ? (
                <>
                  <input
                    type="text"
                    value={editingValue}
                    onChange={(e) => {
                      onEditingValueChange(e.target.value);
                    }}
                    className="flex-1 px-3 py-2 border border-gray-300 rounded-lg text-sm text-gray-900 bg-white focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent"
                    onKeyDown={(e) => {
                      if (e.key === 'Enter') {
                        onSaveEdit(option.id, type);
                      } else if (e.key === 'Escape') {
                        onCancelEdit();
                      }
                    }}
                    autoFocus
                  />
                  <button
                    onClick={() => onSaveEdit(option.id, type)}
                    className="px-3 py-2 text-sm font-medium text-white bg-lgreen rounded-lg hover:bg-dgreen transition-colors"
                  >
                    Enregistrer
                  </button>
                  <button
                    onClick={onCancelEdit}
                    className="px-3 py-2 text-sm font-medium text-gray-700 bg-gray-200 rounded-lg hover:bg-gray-300 transition-colors"
                  >
                    Annuler
                  </button>
                </>
              ) : (
                <>
                  <span className="flex-1 text-sm font-medium text-gray-900">
                    {option.value}
                  </span>
                  <button
                    onClick={() => onEdit(option)}
                    className="px-3 py-1.5 text-xs font-medium text-lblue bg-lblue/10 rounded-lg hover:bg-lblue/20 transition-colors"
                  >
                    Modifier
                  </button>
                  <button
                    onClick={() => onDelete(option.id)}
                    className="px-3 py-1.5 text-xs font-medium text-red-600 bg-red-50 rounded-lg hover:bg-red-100 transition-colors"
                  >
                    Supprimer
                  </button>
                </>
              )}
            </div>
          ))
        )}
      </div>

      {/* Formulaire d'ajout */}
      <div className="flex items-center gap-2 pt-4 border-t border-gray-200">
        <input
          type="text"
          value={newValue || ''}
          onChange={(e) => {
            onNewValueChange(type, e.target.value);
          }}
          placeholder={`Ajouter une nouvelle ${label.toLowerCase()}`}
          className="flex-1 px-3 py-2 border border-gray-300 rounded-lg text-sm text-gray-900 bg-white focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent"
          onKeyDown={(e) => {
            if (e.key === 'Enter') {
              onAdd(type);
            }
          }}
        />
        <button
          onClick={() => onAdd(type)}
          className="px-4 py-2 text-sm font-medium text-white bg-lblue rounded-lg hover:bg-dblue transition-colors flex items-center gap-2"
        >
          <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 4v16m8-8H4" />
          </svg>
          Ajouter
        </button>
      </div>
    </div>
  );
});

OptionCard.displayName = 'OptionCard';

export default function ConfigurationContent() {
  const router = useRouter();
  const { showNotification } = useNotification();
  const [activeConfigSection, setActiveConfigSection] = useState<'adherents' | 'comptes' | 'roles' | null>('adherents');
  const [options, setOptions] = useState<OptionsByType>({
    situation: [],
    prescripteur: [],
    facturation: [],
    forfait: [],
  });
  const [loading, setLoading] = useState(true);
  const [editingId, setEditingId] = useState<string | null>(null);
  const [editingValue, setEditingValue] = useState('');
  const [newValue, setNewValue] = useState<Record<string, string>>({
    situation: '',
    prescripteur: '',
    facturation: '',
    forfait: '',
  });

  const fetchOptions = useCallback(async () => {
    setLoading(true);
    try {
      const response = await fetch('/api/settings/adherent-options');
      if (response.ok) {
        const data = await response.json();
        setOptions({
          situation: data.situation || [],
          prescripteur: data.prescripteur || [],
          facturation: data.facturation || [],
          forfait: data.forfait || [],
        });
      }
    } catch (error) {
      console.error('Erreur lors du chargement des options:', error);
      showNotification('Erreur lors du chargement des options', 'error');
    } finally {
      setLoading(false);
    }
  }, [showNotification]);

  useEffect(() => {
    fetchOptions();
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, []);

  const handleAdd = useCallback(async (type: 'situation' | 'prescripteur' | 'facturation' | 'forfait') => {
    const currentValue = newValue[type]?.trim() || '';
    if (!currentValue) {
      showNotification('Veuillez entrer une valeur', 'error');
      return;
    }

    try {
      const response = await fetch('/api/settings/adherent-options', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
        },
        body: JSON.stringify({
          type,
          value: currentValue,
        }),
      });

      if (response.ok) {
        setNewValue((prev) => ({ ...prev, [type]: '' }));
        await fetchOptions();
        showNotification('Option ajoutée avec succès', 'success');
      } else {
        const error = await response.json();
        showNotification(error.error || 'Erreur lors de l\'ajout', 'error');
      }
    } catch (error) {
      console.error('Erreur:', error);
      showNotification('Erreur lors de l\'ajout', 'error');
    }
  }, [newValue, showNotification, fetchOptions]);

  const handleEdit = useCallback((option: AdherentOption) => {
    setEditingId(option.id);
    setEditingValue(option.value);
  }, []);

  const handleSaveEdit = useCallback(async (id: string, type: 'situation' | 'prescripteur' | 'facturation' | 'forfait') => {
    const value = editingValue.trim();
    if (!value) {
      showNotification('Veuillez entrer une valeur', 'error');
      return;
    }

    try {
      const response = await fetch(`/api/settings/adherent-options/${id}`, {
        method: 'PUT',
        headers: {
          'Content-Type': 'application/json',
        },
        body: JSON.stringify({ value }),
      });

      if (response.ok) {
        setEditingId(null);
        setEditingValue('');
        await fetchOptions();
        showNotification('Option modifiée avec succès', 'success');
      } else {
        const error = await response.json();
        showNotification(error.error || 'Erreur lors de la modification', 'error');
      }
    } catch (error) {
      console.error('Erreur:', error);
      showNotification('Erreur lors de la modification', 'error');
    }
  }, [editingValue, showNotification, fetchOptions]);

  const handleCancelEdit = useCallback(() => {
    setEditingId(null);
    setEditingValue('');
  }, []);

  const handleDelete = useCallback(async (id: string) => {
    if (!confirm('Êtes-vous sûr de vouloir supprimer cette option ?')) {
      return;
    }

    try {
      const response = await fetch(`/api/settings/adherent-options/${id}`, {
        method: 'DELETE',
      });

      if (response.ok) {
        await fetchOptions();
        showNotification('Option supprimée avec succès', 'success');
      } else {
        const error = await response.json();
        showNotification(error.error || 'Erreur lors de la suppression', 'error');
      }
    } catch (error) {
      console.error('Erreur:', error);
      showNotification('Erreur lors de la suppression', 'error');
    }
  }, [showNotification, fetchOptions]);

  const handleNewValueChange = useCallback((type: 'situation' | 'prescripteur' | 'facturation' | 'forfait', value: string) => {
    setNewValue((prev) => ({ ...prev, [type]: value }));
  }, []);

  const handleEditingValueChange = useCallback((value: string) => {
    setEditingValue(value);
  }, []);

  // Composant pour la gestion des comptes
  const GestionComptesContent = () => {
    const [users, setUsers] = useState<Array<{
      id: string;
      email: string;
      name: string | null;
      roleId: string | null;
      role: {
        id: string;
        name: string;
        description: string | null;
      } | null;
      createdAt: string;
    }>>([]);
    const [roles, setRoles] = useState<Array<{
      id: string;
      name: string;
      description: string | null;
    }>>([]);
    const [loadingUsers, setLoadingUsers] = useState(true);
    const [selectedUser, setSelectedUser] = useState<string | null>(null);
    const [showPasswordModal, setShowPasswordModal] = useState(false);
    const [newPassword, setNewPassword] = useState<string | null>(null);

    useEffect(() => {
      fetchUsers();
      fetchRoles();
      // eslint-disable-next-line react-hooks/exhaustive-deps
    }, []);

    const fetchRoles = async () => {
      try {
        const response = await fetch('/api/roles');
        if (response.ok) {
          const data = await response.json();
          setRoles(data);
        }
      } catch (error) {
        console.error('Erreur lors du chargement des rôles:', error);
      }
    };

    const fetchUsers = async () => {
      setLoadingUsers(true);
      try {
        const response = await fetch('/api/users');
        if (response.ok) {
          const data = await response.json();
          setUsers(data);
        }
      } catch (error) {
        console.error('Erreur lors du chargement des utilisateurs:', error);
        showNotification('Erreur lors du chargement des utilisateurs', 'error');
      } finally {
        setLoadingUsers(false);
      }
    };

    const handleDeleteUser = async (userId: string) => {
      if (!confirm('Êtes-vous sûr de vouloir supprimer cet utilisateur ? Cette action est irréversible.')) {
        return;
      }

      try {
        const response = await fetch(`/api/users/${userId}`, {
          method: 'DELETE',
        });

        if (response.ok) {
          await fetchUsers();
          showNotification('Utilisateur supprimé avec succès', 'success');
        } else {
          const error = await response.json();
          showNotification(error.error || 'Erreur lors de la suppression', 'error');
        }
      } catch (error) {
        console.error('Erreur:', error);
        showNotification('Erreur lors de la suppression', 'error');
      }
    };

    const handleResetPassword = async (userId: string) => {
      try {
        const response = await fetch(`/api/users/${userId}`, {
          method: 'PUT',
          headers: {
            'Content-Type': 'application/json',
          },
          body: JSON.stringify({ action: 'reset-password' }),
        });

        if (response.ok) {
          const data = await response.json();
          setSelectedUser(userId);
          setNewPassword(data.newPassword);
          setShowPasswordModal(true);
          showNotification('Mot de passe réinitialisé avec succès', 'success');
        } else {
          const error = await response.json();
          showNotification(error.error || 'Erreur lors de la réinitialisation', 'error');
        }
      } catch (error) {
        console.error('Erreur:', error);
        showNotification('Erreur lors de la réinitialisation', 'error');
      }
    };

    const formatDate = (dateString: string) => {
      const date = new Date(dateString);
      return date.toLocaleDateString('fr-FR', {
        day: '2-digit',
        month: 'long',
        year: 'numeric',
      });
    };

    const getUserInitials = (name: string | null, email: string) => {
      if (name) {
        const names = name.split(' ');
        if (names.length >= 2) {
          return `${names[0].charAt(0)}${names[1].charAt(0)}`.toUpperCase();
        }
        return name.charAt(0).toUpperCase();
      }
      return email.charAt(0).toUpperCase();
    };

    return (
      <>
        <div className="space-y-6">
          <div>
            <h2 className="text-2xl font-bold text-gray-900 mb-2">Gestion des comptes</h2>
            <p className="text-sm text-gray-600 mb-6">
              Gérez tous les comptes utilisateurs de la plateforme
            </p>
          </div>

          <div className="bg-white rounded-xl shadow-sm border border-gray-100 overflow-hidden">
            {loadingUsers ? (
              <div className="p-8 text-center text-gray-500">Chargement...</div>
            ) : users.length === 0 ? (
              <div className="p-8 text-center text-gray-500">Aucun utilisateur trouvé</div>
            ) : (
              <div className="divide-y divide-gray-200">
                {users.map((user) => (
                  <div
                    key={user.id}
                    className="p-5 hover:bg-gray-50 transition-colors"
                  >
                    <div className="flex items-center gap-4">
                      {/* Avatar */}
                      <div className="w-12 h-12 rounded-full bg-gradient-to-br from-lblue to-dblue flex items-center justify-center text-white font-semibold flex-shrink-0">
                        {getUserInitials(user.name, user.email)}
                      </div>

                      {/* Informations */}
                      <div className="flex-1 min-w-0">
                        <div className="flex items-center gap-3 mb-1">
                          <h3 className="text-sm font-bold text-gray-900">
                            {user.name || 'Sans nom'}
                          </h3>
                          {user.role && (
                            <span className="px-2 py-0.5 text-xs font-semibold rounded-full bg-lblue/10 text-lblue">
                              {user.role.name}
                            </span>
                          )}
                        </div>
                        <p className="text-sm text-gray-600 mb-1">{user.email}</p>
                        <p className="text-xs text-gray-500">
                          Inscrit le {formatDate(user.createdAt)}
                        </p>
                      </div>

                      {/* Actions */}
                      <div className="flex items-center gap-2 flex-shrink-0">
                        <select
                          value={user.roleId || ''}
                          onChange={async (e) => {
                            try {
                              const response = await fetch(`/api/users/${user.id}/role`, {
                                method: 'PUT',
                                headers: {
                                  'Content-Type': 'application/json',
                                },
                                body: JSON.stringify({
                                  roleId: e.target.value || null,
                                }),
                              });

                              if (response.ok) {
                                await fetchUsers();
                                showNotification('Rôle attribué avec succès', 'success');
                              } else {
                                const error = await response.json();
                                showNotification(error.error || 'Erreur', 'error');
                              }
                            } catch (error) {
                              console.error('Erreur:', error);
                              showNotification('Erreur lors de l\'attribution du rôle', 'error');
                            }
                          }}
                          className="px-3 py-1.5 text-xs font-medium border border-gray-300 rounded-lg bg-white text-gray-700 focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent"
                          title="Attribuer un rôle"
                        >
                          <option value="">Aucun rôle</option>
                          {roles.map((role) => (
                            <option key={role.id} value={role.id}>
                              {role.name}
                            </option>
                          ))}
                        </select>
                        <button
                          onClick={() => handleResetPassword(user.id)}
                          className="px-3 py-1.5 text-xs font-medium text-lblue bg-lblue/10 rounded-lg hover:bg-lblue/20 transition-colors flex items-center gap-1.5"
                          title="Réinitialiser le mot de passe"
                        >
                          <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 7a2 2 0 012 2m4 0a6 6 0 01-7.743 5.743L11 17H9v2H7v2H4a1 1 0 01-1-1v-2.586a1 1 0 01.293-.707l5.964-5.964A6 6 0 1121 9z" />
                          </svg>
                          Réinitialiser MDP
                        </button>
                        <button
                          onClick={() => handleDeleteUser(user.id)}
                          className="px-3 py-1.5 text-xs font-medium text-red-600 bg-red-50 rounded-lg hover:bg-red-100 transition-colors flex items-center gap-1.5"
                          title="Supprimer l'utilisateur"
                        >
                          <svg className="w-4 h-4" 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>
                          Supprimer
                        </button>
                      </div>
                    </div>
                  </div>
                ))}
              </div>
            )}
          </div>
        </div>

        {/* Modal pour afficher le nouveau mot de passe */}
        {showPasswordModal && newPassword && (
          <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
            <div className="bg-white rounded-xl p-6 max-w-md w-full mx-4">
              <div className="flex items-center justify-between mb-4">
                <h3 className="text-lg font-bold text-gray-900">Nouveau mot de passe généré</h3>
                <button
                  onClick={() => {
                    setShowPasswordModal(false);
                    setNewPassword(null);
                    setSelectedUser(null);
                  }}
                  className="text-gray-400 hover:text-gray-600"
                >
                  <svg className="w-5 h-5" 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>
              <div className="mb-4">
                <p className="text-sm text-gray-600 mb-2">
                  Le nouveau mot de passe pour <strong>{users.find(u => u.id === selectedUser)?.email}</strong> est :
                </p>
                <div className="bg-gray-50 border border-gray-200 rounded-lg p-4">
                  <code className="text-lg font-mono font-bold text-gray-900 break-all">{newPassword}</code>
                </div>
                <p className="text-xs text-red-600 mt-2">
                  ⚠️ Copiez ce mot de passe maintenant, il ne sera plus affiché après la fermeture de cette fenêtre.
                </p>
              </div>
              <button
                onClick={() => {
                  navigator.clipboard.writeText(newPassword);
                  showNotification('Mot de passe copié dans le presse-papiers', 'success');
                }}
                className="w-full px-4 py-2 bg-lblue text-white rounded-lg hover:bg-dblue transition-colors font-medium"
              >
                Copier le mot de passe
              </button>
            </div>
          </div>
        )}
      </>
    );
  };

  // Composant pour la gestion des rôles
  const GestionRolesContent = () => {
    const [roles, setRoles] = useState<Array<{
      id: string;
      name: string;
      description: string | null;
      permissions: Array<{
        permission: {
          id: string;
          name: string;
          description: string | null;
        };
      }>;
      _count: {
        users: number;
      };
    }>>([]);
    const [loading, setLoading] = useState(true);
    const [showRoleForm, setShowRoleForm] = useState(false);
    const [editingRole, setEditingRole] = useState<string | null>(null);
    const [roleFormData, setRoleFormData] = useState({
      name: '',
      description: '',
      pageRoutes: [] as string[],
    });

    useEffect(() => {
      fetchRoles();
    }, []);

    const fetchRoles = async () => {
      setLoading(true);
      try {
        const response = await fetch('/api/roles');
        if (response.ok) {
          const data = await response.json();
          setRoles(data);
        }
      } catch (error) {
        console.error('Erreur lors du chargement des rôles:', error);
        showNotification('Erreur lors du chargement des rôles', 'error');
      } finally {
        setLoading(false);
      }
    };

    const handleCreateRole = async () => {
      if (!roleFormData.name.trim()) {
        showNotification('Le nom du rôle est requis', 'error');
        return;
      }

      try {
        // Créer les permissions pour les pages sélectionnées si elles n'existent pas
        const permissionIds: string[] = [];
        for (const route of roleFormData.pageRoutes) {
          const page = AVAILABLE_PAGES.find(p => p.route === route);
          if (page) {
            // Vérifier si la permission existe, sinon la créer
            const permResponse = await fetch('/api/permissions');
            if (permResponse.ok) {
              const existingPerms = await permResponse.json();
              let perm = existingPerms.find((p: any) => p.name === route);
              
              if (!perm) {
                // Créer la permission
                const createPermResponse = await fetch('/api/permissions', {
                  method: 'POST',
                  headers: {
                    'Content-Type': 'application/json',
                  },
                  body: JSON.stringify({
                    name: route,
                    description: page.description,
                  }),
                });
                if (createPermResponse.ok) {
                  perm = await createPermResponse.json();
                }
              }
              
              if (perm) {
                permissionIds.push(perm.id);
              }
            }
          }
        }

        const response = await fetch('/api/roles', {
          method: 'POST',
          headers: {
            'Content-Type': 'application/json',
          },
          body: JSON.stringify({
            name: roleFormData.name,
            description: roleFormData.description || null,
            permissionIds,
          }),
        });

        if (response.ok) {
          setShowRoleForm(false);
          setRoleFormData({ name: '', description: '', pageRoutes: [] });
          await fetchRoles();
          showNotification('Rôle créé avec succès', 'success');
        } else {
          const error = await response.json();
          showNotification(error.error || 'Erreur lors de la création', 'error');
        }
      } catch (error) {
        console.error('Erreur:', error);
        showNotification('Erreur lors de la création', 'error');
      }
    };

    const handleEditRole = (role: typeof roles[0]) => {
      setEditingRole(role.id);
      setRoleFormData({
        name: role.name,
        description: role.description || '',
        pageRoutes: role.permissions.map(p => p.permission.name).filter(name => 
          AVAILABLE_PAGES.some(page => page.route === name)
        ),
      });
      setShowRoleForm(true);
    };

    const handleUpdateRole = async () => {
      if (!editingRole || !roleFormData.name.trim()) {
        showNotification('Le nom du rôle est requis', 'error');
        return;
      }

      try {
        // Créer les permissions pour les pages sélectionnées si elles n'existent pas
        const permissionIds: string[] = [];
        for (const route of roleFormData.pageRoutes) {
          const page = AVAILABLE_PAGES.find(p => p.route === route);
          if (page) {
            // Vérifier si la permission existe, sinon la créer
            const permResponse = await fetch('/api/permissions');
            if (permResponse.ok) {
              const existingPerms = await permResponse.json();
              let perm = existingPerms.find((p: any) => p.name === route);
              
              if (!perm) {
                // Créer la permission
                const createPermResponse = await fetch('/api/permissions', {
                  method: 'POST',
                  headers: {
                    'Content-Type': 'application/json',
                  },
                  body: JSON.stringify({
                    name: route,
                    description: page.description,
                  }),
                });
                if (createPermResponse.ok) {
                  perm = await createPermResponse.json();
                }
              }
              
              if (perm) {
                permissionIds.push(perm.id);
              }
            }
          }
        }

        const response = await fetch(`/api/roles/${editingRole}`, {
          method: 'PUT',
          headers: {
            'Content-Type': 'application/json',
          },
          body: JSON.stringify({
            name: roleFormData.name,
            description: roleFormData.description || null,
            permissionIds,
          }),
        });

        if (response.ok) {
          setShowRoleForm(false);
          setEditingRole(null);
          setRoleFormData({ name: '', description: '', pageRoutes: [] });
          await fetchRoles();
          showNotification('Rôle modifié avec succès', 'success');
        } else {
          const error = await response.json();
          showNotification(error.error || 'Erreur lors de la modification', 'error');
        }
      } catch (error) {
        console.error('Erreur:', error);
        showNotification('Erreur lors de la modification', 'error');
      }
    };

    const handleDeleteRole = async (roleId: string) => {
      if (!confirm('Êtes-vous sûr de vouloir supprimer ce rôle ?')) {
        return;
      }

      try {
        const response = await fetch(`/api/roles/${roleId}`, {
          method: 'DELETE',
        });

        if (response.ok) {
          await fetchRoles();
          showNotification('Rôle supprimé avec succès', 'success');
        } else {
          const error = await response.json();
          showNotification(error.error || 'Erreur lors de la suppression', 'error');
        }
      } catch (error) {
        console.error('Erreur:', error);
        showNotification('Erreur lors de la suppression', 'error');
      }
    };

    const handleCancelForm = () => {
      setShowRoleForm(false);
      setEditingRole(null);
      setRoleFormData({ name: '', description: '', pageRoutes: [] });
    };

    return (
      <>
        <div className="space-y-6">
          <div className="flex items-center justify-between">
            <div>
              <h2 className="text-2xl font-bold text-gray-900 mb-2">Gestion des rôles</h2>
              <p className="text-sm text-gray-600">
                Créez et gérez les rôles avec leurs permissions
              </p>
            </div>
            <button
              onClick={() => setShowRoleForm(true)}
              className="px-4 py-2 bg-lblue text-white rounded-lg hover:bg-dblue transition-colors flex items-center gap-2"
            >
              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 4v16m8-8H4" />
              </svg>
              Nouveau rôle
            </button>
          </div>

          {loading ? (
            <div className="p-8 text-center text-gray-500">Chargement...</div>
          ) : roles.length === 0 ? (
            <div className="p-8 text-center text-gray-500">
              Aucun rôle créé. Cliquez sur "Nouveau rôle" pour commencer.
            </div>
          ) : (
            <div className="space-y-4">
              {roles.map((role) => (
                <div
                  key={role.id}
                  className="bg-white rounded-xl shadow-sm border border-gray-100 p-6"
                >
                  <div className="flex items-start justify-between mb-4">
                    <div className="flex-1">
                      <div className="flex items-center gap-3 mb-2">
                        <h3 className="text-lg font-bold text-gray-900">{role.name}</h3>
                        <span className="px-2 py-1 text-xs font-semibold rounded-full bg-gray-100 text-gray-600">
                          {role._count.users} utilisateur{role._count.users > 1 ? 's' : ''}
                        </span>
                      </div>
                      {role.description && (
                        <p className="text-sm text-gray-600 mb-3">{role.description}</p>
                      )}
                      <div className="flex flex-wrap gap-2">
                        {role.permissions.length === 0 ? (
                          <span className="text-xs text-gray-400">Aucune page accessible</span>
                        ) : (
                          role.permissions
                            .filter(rp => AVAILABLE_PAGES.some(page => page.route === rp.permission.name))
                            .map((rp) => {
                              const page = AVAILABLE_PAGES.find(p => p.route === rp.permission.name);
                              return (
                                <span
                                  key={rp.permission.id}
                                  className="px-2 py-1 text-xs font-medium rounded bg-lblue/10 text-lblue"
                                  title={page?.description}
                                >
                                  {page?.label || rp.permission.name}
                                </span>
                              );
                            })
                        )}
                      </div>
                    </div>
                    <div className="flex items-center gap-2 ml-4">
                      <button
                        onClick={() => handleEditRole(role)}
                        className="px-3 py-1.5 text-xs font-medium text-lblue bg-lblue/10 rounded-lg hover:bg-lblue/20 transition-colors"
                      >
                        Modifier
                      </button>
                      <button
                        onClick={() => handleDeleteRole(role.id)}
                        className="px-3 py-1.5 text-xs font-medium text-red-600 bg-red-50 rounded-lg hover:bg-red-100 transition-colors"
                      >
                        Supprimer
                      </button>
                    </div>
                  </div>
                </div>
              ))}
            </div>
          )}
        </div>

        {/* Modal formulaire rôle */}
        {showRoleForm && (
          <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
            <div className="bg-white rounded-xl p-6 max-w-2xl w-full mx-4 max-h-[90vh] overflow-y-auto">
              <div className="flex justify-between items-start mb-6">
                <div>
                  <h3 className="text-xl font-bold text-gray-900 mb-2">
                    {editingRole ? 'Modifier le rôle' : 'Nouveau rôle'}
                  </h3>
                  <p className="text-sm text-gray-600">
                    {editingRole ? 'Modifiez les informations du rôle' : 'Créez un nouveau rôle et sélectionnez les pages accessibles'}
                  </p>
                </div>
                <button
                  onClick={handleCancelForm}
                  className="text-gray-400 hover:text-gray-600"
                >
                  <svg className="w-6 h-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>

              <div className="space-y-4">
                <div>
                  <label className="block text-sm font-medium text-gray-700 mb-1">
                    Nom du rôle <span className="text-red-500">*</span>
                  </label>
                  <input
                    type="text"
                    value={roleFormData.name}
                    onChange={(e) => setRoleFormData({ ...roleFormData, name: e.target.value })}
                    className="w-full px-3 py-2 border border-gray-300 rounded-lg text-gray-900 focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent"
                    placeholder="Ex: Administrateur, Éditeur..."
                  />
                </div>

                <div>
                  <label className="block text-sm font-medium text-gray-700 mb-1">
                    Description
                  </label>
                  <textarea
                    value={roleFormData.description}
                    onChange={(e) => setRoleFormData({ ...roleFormData, description: e.target.value })}
                    className="w-full px-3 py-2 border border-gray-300 rounded-lg text-gray-900 focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent"
                    rows={3}
                    placeholder="Description du rôle..."
                  />
                </div>

                <div>
                  <label className="block text-sm font-medium text-gray-700 mb-2">
                    Pages accessibles
                  </label>
                  <div className="space-y-2 max-h-60 overflow-y-auto border border-gray-200 rounded-lg p-4">
                    {AVAILABLE_PAGES.map((page) => (
                      <label
                        key={page.route}
                        className="flex items-start gap-3 p-2 hover:bg-gray-50 rounded-lg cursor-pointer"
                      >
                        <input
                          type="checkbox"
                          checked={roleFormData.pageRoutes.includes(page.route)}
                          onChange={(e) => {
                            if (e.target.checked) {
                              setRoleFormData({
                                ...roleFormData,
                                pageRoutes: [...roleFormData.pageRoutes, page.route],
                              });
                            } else {
                              setRoleFormData({
                                ...roleFormData,
                                pageRoutes: roleFormData.pageRoutes.filter(route => route !== page.route),
                              });
                            }
                          }}
                          className="mt-1 w-4 h-4 text-lblue border-gray-300 rounded focus:ring-lblue"
                        />
                        <div className="flex-1">
                          <div className="text-sm font-medium text-gray-900">{page.label}</div>
                          <div className="text-xs text-gray-500">{page.description}</div>
                          <div className="text-xs text-gray-400 font-mono mt-0.5">{page.route}</div>
                        </div>
                      </label>
                    ))}
                  </div>
                </div>

                <div className="flex items-center justify-end gap-3 pt-4 border-t border-gray-200">
                  <button
                    onClick={handleCancelForm}
                    className="px-4 py-2 text-sm font-medium text-gray-700 bg-gray-100 rounded-lg hover:bg-gray-200 transition-colors"
                  >
                    Annuler
                  </button>
                  <button
                    onClick={editingRole ? handleUpdateRole : handleCreateRole}
                    className="px-4 py-2 text-sm font-medium text-white bg-lblue rounded-lg hover:bg-dblue transition-colors"
                  >
                    {editingRole ? 'Enregistrer' : 'Créer'}
                  </button>
                </div>
              </div>
            </div>
          </div>
        )}

      </>
    );
  };

  return (
    <div className="p-6">
      <div className="mb-6 flex items-center gap-4">
        <button
          onClick={() => router.push('/dashboard/parametres')}
          className="p-2 hover:bg-gray-100 rounded-lg transition-colors"
        >
          <svg className="w-5 h-5 text-gray-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 19l-7-7 7-7" />
          </svg>
        </button>
        <div>
          <h1 className="text-3xl font-bold text-gray-900 mb-2">Configuration</h1>
          <p className="text-sm text-gray-600">
            Configurez les paramètres de la plateforme
          </p>
        </div>
      </div>

      <div className="bg-white rounded-xl shadow-sm border border-gray-100 overflow-hidden">
        <div className="flex h-full min-h-[600px]">
          {/* Sidebar interne pour les rubriques de configuration */}
          <div className="w-64 border-r border-gray-200 bg-gray-50">
            <div className="p-4 border-b border-gray-200">
              <h3 className="text-sm font-semibold text-gray-500 uppercase tracking-wide">Rubriques</h3>
            </div>
            <nav className="p-2">
              <button
                onClick={() => setActiveConfigSection('adherents')}
                className={`w-full flex items-center gap-3 px-4 py-3 rounded-lg transition-colors text-left ${
                  activeConfigSection === 'adherents'
                    ? 'bg-lblue text-white shadow-sm'
                    : 'text-gray-700 hover:bg-white'
                }`}
              >
                <svg className="w-5 h-5" 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>
                <span className="font-medium">Adhérents</span>
              </button>

              <button
                onClick={() => setActiveConfigSection('comptes')}
                className={`w-full flex items-center gap-3 px-4 py-3 rounded-lg transition-colors text-left ${
                  activeConfigSection === 'comptes'
                    ? 'bg-lblue text-white shadow-sm'
                    : 'text-gray-700 hover:bg-white'
                }`}
              >
                <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
                </svg>
                <span className="font-medium">Gestion des comptes</span>
              </button>

              <button
                onClick={() => setActiveConfigSection('roles')}
                className={`w-full flex items-center gap-3 px-4 py-3 rounded-lg transition-colors text-left ${
                  activeConfigSection === 'roles'
                    ? 'bg-lblue text-white shadow-sm'
                    : 'text-gray-700 hover:bg-white'
                }`}
              >
                <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 12l2 2 4-4m5.618-4.016A11.955 11.955 0 0112 2.944a11.955 11.955 0 01-8.618 3.04A12.02 12.02 0 003 9c0 5.591 3.824 10.29 9 11.622 5.176-1.332 9-6.03 9-11.622 0-1.042-.133-2.052-.382-3.016z" />
                </svg>
                <span className="font-medium">Rôles et permissions</span>
              </button>
            </nav>
          </div>

          {/* Contenu de la rubrique sélectionnée */}
          <div className="flex-1 p-6 overflow-y-auto">
            {activeConfigSection === null ? (
              <div className="flex items-center justify-center h-full text-center">
                <div>
                  <svg className="w-16 h-16 text-gray-300 mx-auto mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z" />
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
                  </svg>
                  <p className="text-gray-500 font-medium">Sélectionnez une rubrique de configuration</p>
                </div>
              </div>
                ) : activeConfigSection === 'adherents' ? (
                  <div className="space-y-6">
                    <div>
                      <h2 className="text-2xl font-bold text-gray-900 mb-2">Configuration des adhérents</h2>
                      <p className="text-sm text-gray-600 mb-6">
                        Configurez les options disponibles pour les formulaires d'adhérents
                      </p>
                    </div>

                    <OptionCard
                      type="situation"
                      label="Situations"
                      icon={
                        <svg className="w-5 h-5 text-lblue" 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>
                      }
                      options={options.situation}
                      loading={loading}
                      editingId={editingId}
                      editingValue={editingValue}
                      newValue={newValue.situation}
                      onEdit={handleEdit}
                      onSaveEdit={handleSaveEdit}
                      onCancelEdit={handleCancelEdit}
                      onDelete={handleDelete}
                      onAdd={handleAdd}
                      onNewValueChange={handleNewValueChange}
                      onEditingValueChange={handleEditingValueChange}
                    />

                    <OptionCard
                      type="prescripteur"
                      label="Prescripteurs"
                      icon={
                        <svg className="w-5 h-5 text-lblue" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z" />
                        </svg>
                      }
                      options={options.prescripteur}
                      loading={loading}
                      editingId={editingId}
                      editingValue={editingValue}
                      newValue={newValue.prescripteur}
                      onEdit={handleEdit}
                      onSaveEdit={handleSaveEdit}
                      onCancelEdit={handleCancelEdit}
                      onDelete={handleDelete}
                      onAdd={handleAdd}
                      onNewValueChange={handleNewValueChange}
                      onEditingValueChange={handleEditingValueChange}
                    />

                    <OptionCard
                      type="facturation"
                      label="Modes de facturation"
                      icon={
                        <svg className="w-5 h-5 text-lblue" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
                        </svg>
                      }
                      options={options.facturation}
                      loading={loading}
                      editingId={editingId}
                      editingValue={editingValue}
                      newValue={newValue.facturation}
                      onEdit={handleEdit}
                      onSaveEdit={handleSaveEdit}
                      onCancelEdit={handleCancelEdit}
                      onDelete={handleDelete}
                      onAdd={handleAdd}
                      onNewValueChange={handleNewValueChange}
                      onEditingValueChange={handleEditingValueChange}
                    />

                    <OptionCard
                      type="forfait"
                      label="Forfaits"
                      icon={
                        <svg className="w-5 h-5 text-lblue" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 8c-1.657 0-3 .895-3 2s1.343 2 3 2 3 .895 3 2-1.343 2-3 2m0-8c1.11 0 2.08.402 2.599 1M12 8V7m0 1v8m0 0v1m0-1c-1.11 0-2.08-.402-2.599-1M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
                        </svg>
                      }
                      options={options.forfait}
                      loading={loading}
                      editingId={editingId}
                      editingValue={editingValue}
                      newValue={newValue.forfait}
                      onEdit={handleEdit}
                      onSaveEdit={handleSaveEdit}
                      onCancelEdit={handleCancelEdit}
                      onDelete={handleDelete}
                      onAdd={handleAdd}
                      onNewValueChange={handleNewValueChange}
                      onEditingValueChange={handleEditingValueChange}
                    />
                  </div>
                ) : activeConfigSection === 'comptes' ? (
                  <GestionComptesContent />
                ) : activeConfigSection === 'roles' ? (
                  <GestionRolesContent />
                ) : null}
          </div>
        </div>
      </div>
    </div>
  );
}