'use client';

import { useState } from 'react';
import { Dialog } from '@headlessui/react';
import { XMarkIcon } from '@heroicons/react/24/outline';
import { participantService } from '@/lib/services';

interface AddParticipantModalProps {
  isOpen: boolean;
  onClose: () => void;
  onSuccess: () => void;
  campaignId: string;
  campaignTitle: string;
}

export default function AddParticipantModal({ 
  isOpen, 
  onClose, 
  onSuccess, 
  campaignId, 
  campaignTitle 
}: AddParticipantModalProps) {
  const [formData, setFormData] = useState({
    first_name: '',
    last_name: '',
    email: ''
  });
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState('');

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

    try {
      await participantService.create({
        campaign_id: campaignId,
        first_name: formData.first_name,
        last_name: formData.last_name,
        email: formData.email
      });
      onSuccess();
      // Reset form
      setFormData({
        first_name: '',
        last_name: '',
        email: ''
      });
    } catch (err) {
      setError('Erreur lors de l\'ajout du participant');
      console.error(err);
    } finally {
      setLoading(false);
    }
  };

  const handleChange = (e: React.ChangeEvent<HTMLInputElement>) => {
    const { name, value } = e.target;
    setFormData(prev => ({
      ...prev,
      [name]: value
    }));
  };

  return (
    <Dialog open={isOpen} onClose={onClose} className="relative z-50">
      <div className="fixed inset-0 bg-black/30" aria-hidden="true" />
      
      <div className="fixed inset-0 flex items-center justify-center p-4">
        <Dialog.Panel className="mx-auto max-w-md w-full bg-white rounded-lg shadow-xl">
          <div className="flex items-center justify-between p-6 border-b border-gray-200">
            <Dialog.Title className="text-lg font-medium text-gray-900">
              Ajouter un participant
            </Dialog.Title>
            <button
              onClick={onClose}
              className="text-gray-400 hover:text-gray-600"
            >
              <XMarkIcon className="h-6 w-6" />
            </button>
          </div>

          <div className="px-6 py-4 bg-green-50 border-b border-gray-200">
            <p className="text-sm text-green-800">
              <span className="font-medium">Campagne:</span> {campaignTitle}
            </p>
          </div>

          <form onSubmit={handleSubmit} className="p-6 space-y-4">
            {error && (
              <div className="bg-red-50 border border-red-200 text-red-700 px-4 py-3 rounded-md">
                {error}
              </div>
            )}

            <div>
              <label htmlFor="first_name" className="block text-sm font-medium text-gray-700 mb-1">
                Prénom *
              </label>
              <input
                type="text"
                id="first_name"
                name="first_name"
                value={formData.first_name}
                onChange={handleChange}
                required
                className="w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500"
                placeholder="Prénom du participant"
              />
            </div>

            <div>
              <label htmlFor="last_name" className="block text-sm font-medium text-gray-700 mb-1">
                Nom *
              </label>
              <input
                type="text"
                id="last_name"
                name="last_name"
                value={formData.last_name}
                onChange={handleChange}
                required
                className="w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500"
                placeholder="Nom du participant"
              />
            </div>

            <div>
              <label htmlFor="email" className="block text-sm font-medium text-gray-700 mb-1">
                Email *
              </label>
              <input
                type="email"
                id="email"
                name="email"
                value={formData.email}
                onChange={handleChange}
                required
                className="w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500"
                placeholder="email@exemple.com"
              />
            </div>

            <div className="flex items-center justify-end space-x-3 pt-4">
              <button
                type="button"
                onClick={onClose}
                className="px-4 py-2 text-sm font-medium text-gray-700 bg-white border border-gray-300 rounded-md hover:bg-gray-50"
              >
                Annuler
              </button>
              <button
                type="submit"
                disabled={loading}
                className="px-4 py-2 text-sm font-medium text-white bg-indigo-600 border border-transparent rounded-md hover:bg-indigo-700 disabled:opacity-50 disabled:cursor-not-allowed"
              >
                {loading ? 'Ajout...' : 'Ajouter le participant'}
              </button>
            </div>
          </form>
        </Dialog.Panel>
      </div>
    </Dialog>
  );
}
