'use client';

import { useState, useEffect } from 'react';
import AlertModal from './AlertModal';

interface Chauffeur {
  id: string;
  nom: string;
  prenom: string;
  dateNaissance: string;
  telephone: string;
  email: string;
  adresse: string;
  heuresContrat: number;
  dateDebutContrat: string;
  dateFinContrat: string | null;
  heuresRestantes?: number;
  status?: string;
}

interface ChauffeurFormProps {
  chauffeur: Chauffeur | null;
  onClose: () => void;
}

export default function ChauffeurForm({ chauffeur, onClose }: ChauffeurFormProps) {
  const [loading, setLoading] = useState(false);
  const [isMobile, setIsMobile] = useState(false);
  const [alertModal, setAlertModal] = useState<{
    show: boolean;
    type: 'success' | 'error' | 'info' | 'warning';
    title: string;
    message: string;
  } | null>(null);
  const [formData, setFormData] = useState({
    nom: '',
    prenom: '',
    dateNaissance: '',
    telephone: '',
    email: '',
    adresse: '',
    heuresContrat: 35,
    dateDebutContrat: new Date().toISOString().split('T')[0], // Date du jour par défaut
    dateFinContrat: '',
    status: 'Disponible',
  });

  useEffect(() => {
    const checkMobile = () => {
      setIsMobile(window.innerWidth < 768); // md breakpoint
    };
    
    checkMobile();
    window.addEventListener('resize', checkMobile);
    
    return () => window.removeEventListener('resize', checkMobile);
  }, []);

  useEffect(() => {
    if (chauffeur) {
      const dateNaissance = new Date(chauffeur.dateNaissance);
      const dateDebut = new Date(chauffeur.dateDebutContrat);
      const dateFin = chauffeur.dateFinContrat ? new Date(chauffeur.dateFinContrat) : null;
      
      setFormData({
        nom: chauffeur.nom,
        prenom: chauffeur.prenom,
        dateNaissance: dateNaissance.toISOString().split('T')[0],
        telephone: chauffeur.telephone,
        email: chauffeur.email,
        adresse: chauffeur.adresse,
        heuresContrat: chauffeur.heuresContrat,
        dateDebutContrat: dateDebut.toISOString().split('T')[0],
        dateFinContrat: dateFin ? dateFin.toISOString().split('T')[0] : '',
        status: chauffeur.status || 'Disponible',
      });
    }
  }, [chauffeur]);

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

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

      const payload = {
        ...formData,
        dateFinContrat: formData.dateFinContrat || null, // Convertir chaîne vide en 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();
        setAlertModal({
          show: true,
          type: 'error',
          title: 'Erreur',
          message: error.error || 'Une erreur est survenue',
        });
      }
    } catch (error) {
      console.error('Erreur:', error);
      setAlertModal({
        show: true,
        type: 'error',
        title: 'Erreur',
        message: 'Une erreur est survenue',
      });
    } finally {
      setLoading(false);
    }
  };

  // Si on est sur mobile, afficher un message au lieu du formulaire
  if (isMobile) {
    return (
      <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50 p-4">
        <div className="bg-white rounded-lg p-6 max-w-md w-full mx-4">
          <div className="flex justify-between items-start mb-6">
            <div className="flex-1">
              <h2 className="text-xl font-semibold text-gray-900 mb-2">
                {chauffeur ? 'Modifier le chauffeur' : 'Nouveau chauffeur'}
              </h2>
            </div>
            <button
              onClick={onClose}
              className="text-gray-400 hover:text-gray-600 ml-4"
            >
              <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="text-center py-8">
            <div className="mb-6">
              <svg className="w-16 h-16 mx-auto text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9.75 17L9 20l-1 1h8l-1-1-.75-3M3 13h18M5 17h14a2 2 0 002-2V5a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z" />
              </svg>
            </div>
            <h3 className="text-lg font-semibold text-gray-900 mb-3">
              Utilisez un ordinateur
            </h3>
            <p className="text-sm text-gray-600 mb-6">
              Pour {chauffeur ? 'modifier' : 'créer'} un chauffeur, veuillez utiliser un ordinateur. Cette fonctionnalité n'est pas optimisée pour les appareils mobiles.
            </p>
            <button
              onClick={onClose}
              className="px-6 py-2 bg-lblue text-white rounded-lg hover:bg-dblue transition-colors"
            >
              Fermer
            </button>
          </div>
        </div>
      </div>
    );
  }

  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-2xl 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">
              {chauffeur ? 'Modifier le chauffeur' : 'Nouveau chauffeur'}
            </h2>
            <p className="text-sm text-gray-600">
              {chauffeur ? 'Modifiez les informations du chauffeur ci-dessous.' : 'Remplissez les informations pour créer un nouveau chauffeur.'}
            </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-4">
          <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>
              <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">
                  <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>
              <label htmlFor="heuresContrat" className="block text-sm font-medium text-gray-700 mb-1">
                Contrat d'heure <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="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z" />
                  </svg>
                </div>
                <input
                  type="number"
                  id="heuresContrat"
                  min="0"
                  required
                  value={formData.heuresContrat}
                  onChange={(e) => setFormData({ ...formData, heuresContrat: parseInt(e.target.value) || 0 })}
                  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"
                  placeholder="35"
                />
              </div>
            </div>

            <div>
              <label htmlFor="dateDebutContrat" className="block text-sm font-medium text-gray-700 mb-1">
                Date de début <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="dateDebutContrat"
                  required
                  value={formData.dateDebutContrat}
                  onChange={(e) => setFormData({ ...formData, dateDebutContrat: 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="dateFinContrat" className="block text-sm font-medium text-gray-700 mb-1">
                Date de fin
              </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="dateFinContrat"
                  value={formData.dateFinContrat}
                  onChange={(e) => setFormData({ ...formData, dateFinContrat: 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="status" className="block text-sm font-medium text-gray-700 mb-1">
                Status
              </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="status"
                  value={formData.status}
                  onChange={(e) => setFormData({ ...formData, status: 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="Disponible">Disponible</option>
                  <option value="Vacances">Vacances</option>
                  <option value="Arrêt Maladie">Arrêt Maladie</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>

          <div className="flex justify-end gap-3 pt-4">
            <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...' : chauffeur ? 'Modifier' : 'Créer'}
            </button>
          </div>
        </form>
      </div>

      {/* Modal d'alerte */}
      {alertModal && (
        <AlertModal
          isOpen={alertModal.show}
          type={alertModal.type}
          title={alertModal.title}
          message={alertModal.message}
          onClose={() => setAlertModal(null)}
        />
      )}
    </div>
  );
}