'use client';

import { useState, useEffect } from 'react';

interface Adherent {
  id: string;
  nom: string;
  prenom: string;
  dateNaissance: string;
  adresse: string;
  email: string;
  telephone: string;
  situation?: string | null;
  prescripteur?: string | null;
  facturation?: string | null;
  commentaire?: string | null;
  telephoneSecondaire?: string | null;
  instructions?: string | null;
}

interface AdherentFormProps {
  adherent: Adherent | null;
  onClose: () => void;
}

export default function AdherentForm({ adherent, onClose }: AdherentFormProps) {
  const [loading, setLoading] = useState(false);
  const [options, setOptions] = useState<{
    situation: Array<{ id: string; value: string }>;
    prescripteur: Array<{ id: string; value: string }>;
    facturation: Array<{ id: string; value: string }>;
  }>({
    situation: [],
    prescripteur: [],
    facturation: [],
  });
  const [formData, setFormData] = useState({
    nom: '',
    prenom: '',
    dateNaissance: '',
    adresse: '',
    email: '',
    telephone: '',
    situation: '',
    prescripteur: '',
    facturation: '',
    commentaire: '',
    telephoneSecondaire: '',
    instructions: '',
  });

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

  const fetchOptions = async () => {
    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 || [],
        });
      }
    } catch (error) {
      console.error('Erreur lors du chargement des options:', error);
    }
  };

  useEffect(() => {
    if (adherent) {
      const dateNaissance = new Date(adherent.dateNaissance);
      setFormData({
        nom: adherent.nom,
        prenom: adherent.prenom,
        dateNaissance: dateNaissance.toISOString().split('T')[0],
        adresse: adherent.adresse,
        email: adherent.email,
        telephone: adherent.telephone,
        situation: adherent.situation || '',
        prescripteur: adherent.prescripteur || '',
        facturation: adherent.facturation || '',
        commentaire: adherent.commentaire || '',
        telephoneSecondaire: adherent.telephoneSecondaire || '',
        instructions: adherent.instructions || '',
      });
    }
  }, [adherent]);

  const handleSubmit = async (e: React.FormEvent) => {
    e.preventDefault();
    setLoading(true);

    try {
      const url = adherent ? `/api/adherents/${adherent.id}` : '/api/adherents';
      const method = adherent ? 'PUT' : 'POST';

      const payload = {
        ...formData,
        situation: formData.situation || null,
        prescripteur: formData.prescripteur || null,
        facturation: formData.facturation || null,
        commentaire: formData.commentaire || null,
        telephoneSecondaire: formData.telephoneSecondaire || null,
        instructions: formData.instructions || null,
      };

      const response = await fetch(url, {
        method,
        headers: {
          'Content-Type': 'application/json',
        },
        body: JSON.stringify(payload),
      });

      if (response.ok) {
        onClose();
      } else {
        const error = await response.json();
        alert(error.error || 'Une erreur est survenue');
      }
    } catch (error) {
      console.error('Erreur:', error);
      alert('Une erreur est survenue');
    } finally {
      setLoading(false);
    }
  };

  return (
    <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
      <div className="bg-white rounded-lg p-6 max-w-4xl w-full mx-4 max-h-[90vh] overflow-y-auto">
        <div className="flex justify-between items-start mb-6">
          <div>
            <h2 className="text-2xl font-semibold text-gray-900 mb-2">
              {adherent ? 'Modifier l\'adhérent' : 'Nouvel adhérent'}
            </h2>
            <p className="text-sm text-gray-600">
              {adherent ? 'Modifiez les informations de l\'adhérent ci-dessous.' : 'Remplissez les informations pour créer un nouvel adhérent.'}
            </p>
          </div>
          <button
            onClick={onClose}
            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>

        <form onSubmit={handleSubmit} className="space-y-6">
          {/* Informations principales */}
          <div>
            <h3 className="text-lg font-semibold text-gray-900 mb-4 pb-2 border-b border-gray-200">
              Informations principales
            </h3>
            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
              <div>
                <label htmlFor="nom" className="block text-sm font-medium text-gray-700 mb-1">
                  Nom <span className="text-red-500">*</span>
                </label>
                <div className="relative">
                  <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                    <svg className="h-5 w-5 text-gray-400" 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>
                  </div>
                  <input
                    type="text"
                    id="nom"
                    required
                    value={formData.nom}
                    onChange={(e) => setFormData({ ...formData, nom: e.target.value })}
                    className="w-full pl-10 pr-3 py-2 border border-gray-300 rounded-lg text-gray-900 focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent"
                  />
                </div>
              </div>

              <div>
                <label htmlFor="prenom" className="block text-sm font-medium text-gray-700 mb-1">
                  Prénom <span className="text-red-500">*</span>
                </label>
                <div className="relative">
                  <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                    <svg className="h-5 w-5 text-gray-400" 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>
                  </div>
                  <input
                    type="text"
                    id="prenom"
                    required
                    value={formData.prenom}
                    onChange={(e) => setFormData({ ...formData, prenom: e.target.value })}
                    className="w-full pl-10 pr-3 py-2 border border-gray-300 rounded-lg text-gray-900 focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent"
                  />
                </div>
              </div>

              <div>
                <label htmlFor="dateNaissance" className="block text-sm font-medium text-gray-700 mb-1">
                  Date de naissance <span className="text-red-500">*</span>
                </label>
                <div className="relative">
                  <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                    <svg className="h-5 w-5 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z" />
                    </svg>
                  </div>
                  <input
                    type="date"
                    id="dateNaissance"
                    required
                    value={formData.dateNaissance}
                    onChange={(e) => setFormData({ ...formData, dateNaissance: e.target.value })}
                    className="w-full pl-10 pr-3 py-2 border border-gray-300 rounded-lg text-gray-900 focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent"
                  />
                </div>
              </div>

              <div>
                <label htmlFor="telephone" className="block text-sm font-medium text-gray-700 mb-1">
                  Téléphone <span className="text-red-500">*</span>
                </label>
                <div className="relative">
                  <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                    <svg className="h-5 w-5 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 5a2 2 0 012-2h3.28a1 1 0 01.948.684l1.498 4.493a1 1 0 01-.502 1.21l-2.257 1.13a11.042 11.042 0 005.516 5.516l1.13-2.257a1 1 0 011.21-.502l4.493 1.498a1 1 0 01.684.949V19a2 2 0 01-2 2h-1C9.716 21 3 14.284 3 6V5z" />
                    </svg>
                  </div>
                  <input
                    type="tel"
                    id="telephone"
                    required
                    value={formData.telephone}
                    onChange={(e) => setFormData({ ...formData, telephone: e.target.value })}
                    className="w-full pl-10 pr-3 py-2 border border-gray-300 rounded-lg text-gray-900 focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent"
                  />
                </div>
              </div>

              <div>
                <label htmlFor="email" className="block text-sm font-medium text-gray-700 mb-1">
                  Email <span className="text-red-500">*</span>
                </label>
                <div className="relative">
                  <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                    <svg className="h-5 w-5 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z" />
                    </svg>
                  </div>
                  <input
                    type="email"
                    id="email"
                    required
                    value={formData.email}
                    onChange={(e) => setFormData({ ...formData, email: e.target.value })}
                    className="w-full pl-10 pr-3 py-2 border border-gray-300 rounded-lg text-gray-900 focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent"
                  />
                </div>
              </div>
            </div>

            <div className="mt-4">
              <label htmlFor="adresse" className="block text-sm font-medium text-gray-700 mb-1">
                Adresse <span className="text-red-500">*</span>
              </label>
              <div className="relative">
                <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none top-3">
                  <svg className="h-5 w-5 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M17.657 16.657L13.414 20.9a1.998 1.998 0 01-2.827 0l-4.244-4.243a8 8 0 1111.314 0z" />
                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 11a3 3 0 11-6 0 3 3 0 016 0z" />
                  </svg>
                </div>
                <input
                  type="text"
                  id="adresse"
                  required
                  value={formData.adresse}
                  onChange={(e) => setFormData({ ...formData, adresse: e.target.value })}
                  className="w-full pl-10 pr-3 py-2 border border-gray-300 rounded-lg text-gray-900 focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent"
                />
              </div>
            </div>
          </div>

          {/* Informations complémentaires */}
          <div>
            <h3 className="text-lg font-semibold text-gray-900 mb-4 pb-2 border-b border-gray-200">
              Informations complémentaires
            </h3>
            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
              <div>
                <label htmlFor="situation" className="block text-sm font-medium text-gray-700 mb-1">
                  Situation
                </label>
                <div className="relative">
                  <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                    <svg className="h-5 w-5 text-gray-400" 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>
                  </div>
                  <select
                    id="situation"
                    value={formData.situation}
                    onChange={(e) => setFormData({ ...formData, situation: e.target.value })}
                    className="w-full pl-10 pr-3 py-2 border border-gray-300 rounded-lg text-gray-900 focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent appearance-none bg-white"
                  >
                    <option value="">Sélectionner une situation</option>
                    {options.situation.map((option) => (
                      <option key={option.id} value={option.value}>
                        {option.value}
                      </option>
                    ))}
                  </select>
                  <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                    <svg className="h-5 w-5 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" />
                    </svg>
                  </div>
                </div>
              </div>

              <div>
                <label htmlFor="prescripteur" className="block text-sm font-medium text-gray-700 mb-1">
                  Prescripteur
                </label>
                <div className="relative">
                  <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                    <svg className="h-5 w-5 text-gray-400" 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>
                  </div>
                  <select
                    id="prescripteur"
                    value={formData.prescripteur}
                    onChange={(e) => setFormData({ ...formData, prescripteur: e.target.value })}
                    className="w-full pl-10 pr-3 py-2 border border-gray-300 rounded-lg text-gray-900 focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent appearance-none bg-white"
                  >
                    <option value="">Sélectionner un prescripteur</option>
                    {options.prescripteur.map((option) => (
                      <option key={option.id} value={option.value}>
                        {option.value}
                      </option>
                    ))}
                  </select>
                  <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                    <svg className="h-5 w-5 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" />
                    </svg>
                  </div>
                </div>
              </div>

              <div>
                <label htmlFor="facturation" className="block text-sm font-medium text-gray-700 mb-1">
                  Facturation
                </label>
                <div className="relative">
                  <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                    <svg className="h-5 w-5 text-gray-400" 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>
                  </div>
                  <select
                    id="facturation"
                    value={formData.facturation}
                    onChange={(e) => setFormData({ ...formData, facturation: e.target.value })}
                    className="w-full pl-10 pr-3 py-2 border border-gray-300 rounded-lg text-gray-900 focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent appearance-none bg-white"
                  >
                    <option value="">Sélectionner un mode de facturation</option>
                    {options.facturation.map((option) => (
                      <option key={option.id} value={option.value}>
                        {option.value}
                      </option>
                    ))}
                  </select>
                  <div className="absolute inset-y-0 right-0 pr-3 flex items-center pointer-events-none">
                    <svg className="h-5 w-5 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" />
                    </svg>
                  </div>
                </div>
              </div>

              <div>
                <label htmlFor="telephoneSecondaire" className="block text-sm font-medium text-gray-700 mb-1">
                  Téléphone secondaire
                </label>
                <div className="relative">
                  <div className="absolute inset-y-0 left-0 pl-3 flex items-center pointer-events-none">
                    <svg className="h-5 w-5 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 5a2 2 0 012-2h3.28a1 1 0 01.948.684l1.498 4.493a1 1 0 01-.502 1.21l-2.257 1.13a11.042 11.042 0 005.516 5.516l1.13-2.257a1 1 0 011.21-.502l4.493 1.498a1 1 0 01.684.949V19a2 2 0 01-2 2h-1C9.716 21 3 14.284 3 6V5z" />
                    </svg>
                  </div>
                  <input
                    type="tel"
                    id="telephoneSecondaire"
                    value={formData.telephoneSecondaire}
                    onChange={(e) => setFormData({ ...formData, telephoneSecondaire: e.target.value })}
                    className="w-full pl-10 pr-3 py-2 border border-gray-300 rounded-lg text-gray-900 focus:outline-none focus:ring-2 focus:ring-lblue focus:border-transparent"
                  />
                </div>
              </div>
            </div>

            <div className="mt-4">
              <label htmlFor="commentaire" className="block text-sm font-medium text-gray-700 mb-1">
                Commentaire
              </label>
              <textarea
                id="commentaire"
                rows={3}
                value={formData.commentaire}
                onChange={(e) => setFormData({ ...formData, commentaire: 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="Ajouter un commentaire..."
              />
            </div>

            <div className="mt-4">
              <label htmlFor="instructions" className="block text-sm font-medium text-gray-700 mb-1">
                Instructions
              </label>
              <textarea
                id="instructions"
                rows={3}
                value={formData.instructions}
                onChange={(e) => setFormData({ ...formData, instructions: 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="Ajouter des instructions..."
              />
            </div>
          </div>

          <div className="flex justify-end gap-3 pt-4 border-t border-gray-200">
            <button
              type="button"
              onClick={onClose}
              className="px-4 py-2 border border-gray-300 rounded-lg text-gray-700 hover:bg-gray-50 transition-colors"
            >
              Annuler
            </button>
            <button
              type="submit"
              disabled={loading}
              className="px-4 py-2 bg-lgreen text-white rounded-lg hover:bg-dgreen transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
            >
              {loading ? 'Enregistrement...' : adherent ? 'Modifier' : 'Créer'}
            </button>
          </div>
        </form>
      </div>
    </div>
  );
}