/**
 * Public Booking Confirmation Page
 *
 * Allows carriers to accept booking requests via email link
 * Route: /booking/confirm/:token
 */

'use client';

import { useState, useEffect } from 'react';
import { useParams, useRouter } from 'next/navigation';
import { acceptCsvBooking, type CsvBookingResponse } from '@/lib/api/bookings';

export default function BookingConfirmPage() {
  const params = useParams();
  const router = useRouter();
  const token = params.token as string;

  const [isLoading, setIsLoading] = useState(true);
  const [error, setError] = useState<string | null>(null);
  const [booking, setBooking] = useState<CsvBookingResponse | null>(null);
  const [isAccepting, setIsAccepting] = useState(false);

  useEffect(() => {
    if (!token) {
      setError('Token de confirmation invalide');
      setIsLoading(false);
      return;
    }

    // Auto-accept the booking
    handleAccept();
  }, [token]);

  const handleAccept = async () => {
    setIsAccepting(true);
    setError(null);

    try {
      const result = await acceptCsvBooking(token);
      setBooking(result);
    } catch (err) {
      console.error('Acceptance error:', err);
      if (err instanceof Error) {
        setError(err.message);
      } else {
        setError('Une erreur est survenue lors de l\'acceptation');
      }
    } finally {
      setIsLoading(false);
      setIsAccepting(false);
    }
  };

  if (isLoading) {
    return (
      <div className="min-h-screen bg-gradient-to-br from-blue-50 via-white to-blue-50 flex items-center justify-center p-4">
        <div className="bg-white rounded-2xl shadow-xl p-8 max-w-md w-full text-center">
          <div className="animate-spin rounded-full h-16 w-16 border-b-2 border-blue-600 mx-auto mb-4"></div>
          <p className="text-gray-600">Confirmation en cours...</p>
        </div>
      </div>
    );
  }

  if (error) {
    return (
      <div className="min-h-screen bg-gradient-to-br from-red-50 via-white to-red-50 flex items-center justify-center p-4">
        <div className="bg-white rounded-2xl shadow-xl p-8 max-w-md w-full">
          <div className="text-center mb-6">
            <div className="w-16 h-16 bg-red-100 rounded-full flex items-center justify-center mx-auto mb-4">
              <svg
                className="w-8 h-8 text-red-600"
                fill="none"
                stroke="currentColor"
                viewBox="0 0 24 24"
              >
                <path
                  strokeLinecap="round"
                  strokeLinejoin="round"
                  strokeWidth={2}
                  d="M6 18L18 6M6 6l12 12"
                />
              </svg>
            </div>
            <h1 className="text-2xl font-bold text-gray-900 mb-2">
              Erreur de confirmation
            </h1>
            <p className="text-gray-600">{error}</p>
          </div>

          <div className="bg-red-50 border border-red-200 rounded-lg p-4 mb-6">
            <p className="text-sm text-red-800">
              <strong>Raisons possibles :</strong>
            </p>
            <ul className="text-sm text-red-700 mt-2 space-y-1 list-disc list-inside">
              <li>Le lien a expiré</li>
              <li>La demande a déjà été acceptée ou refusée</li>
              <li>Le token de confirmation est invalide</li>
            </ul>
          </div>

          <p className="text-sm text-gray-500 text-center">
            Si vous pensez qu'il s'agit d'une erreur, veuillez contacter le client directement.
          </p>
        </div>
      </div>
    );
  }

  if (!booking) {
    return null;
  }

  return (
    <div className="min-h-screen bg-gradient-to-br from-green-50 via-white to-green-50 flex items-center justify-center p-4">
      <div className="bg-white rounded-2xl shadow-xl p-8 max-w-2xl w-full">
        {/* Success Icon with Animation */}
        <div className="text-center mb-8">
          <div className="relative inline-block">
            <div className="w-20 h-20 bg-green-100 rounded-full flex items-center justify-center mx-auto mb-4 animate-scale-in">
              <svg
                className="w-10 h-10 text-green-600"
                fill="none"
                stroke="currentColor"
                viewBox="0 0 24 24"
              >
                <path
                  strokeLinecap="round"
                  strokeLinejoin="round"
                  strokeWidth={2}
                  d="M5 13l4 4L19 7"
                />
              </svg>
            </div>
            {/* Animated rings */}
            <div className="absolute inset-0 rounded-full border-4 border-green-200 animate-ping opacity-20"></div>
          </div>

          <h1 className="text-3xl font-bold text-gray-900 mb-3">
            Demande acceptée !
          </h1>
          <p className="text-lg text-gray-600 mb-2">
            Merci d'avoir accepté cette demande de transport.
          </p>
          <p className="text-gray-500">
            Le client a été notifié par email.
          </p>
        </div>

        {/* Booking Summary */}
        <div className="bg-gray-50 rounded-xl p-6 mb-6">
          <h2 className="text-lg font-semibold text-gray-900 mb-4">
            Récapitulatif de la réservation
          </h2>

          <div className="space-y-3">
            <div className="flex justify-between py-2 border-b border-gray-200">
              <span className="text-gray-600">ID Réservation</span>
              <span className="font-semibold text-gray-900">{booking.bookingId}</span>
            </div>

            <div className="flex justify-between py-2 border-b border-gray-200">
              <span className="text-gray-600">Trajet</span>
              <span className="font-semibold text-gray-900">
                {booking.origin} → {booking.destination}
              </span>
            </div>

            <div className="flex justify-between py-2 border-b border-gray-200">
              <span className="text-gray-600">Volume</span>
              <span className="font-semibold text-gray-900">{booking.volumeCBM} CBM</span>
            </div>

            <div className="flex justify-between py-2 border-b border-gray-200">
              <span className="text-gray-600">Poids</span>
              <span className="font-semibold text-gray-900">{booking.weightKG} kg</span>
            </div>

            <div className="flex justify-between py-2 border-b border-gray-200">
              <span className="text-gray-600">Palettes</span>
              <span className="font-semibold text-gray-900">{booking.palletCount}</span>
            </div>

            <div className="flex justify-between py-2 border-b border-gray-200">
              <span className="text-gray-600">Type de conteneur</span>
              <span className="font-semibold text-gray-900">{booking.containerType}</span>
            </div>

            <div className="flex justify-between py-2 border-b border-gray-200">
              <span className="text-gray-600">Temps de transit</span>
              <span className="font-semibold text-gray-900">{booking.transitDays} jours</span>
            </div>

            <div className="flex justify-between py-3">
              <span className="text-gray-600 text-lg">Prix</span>
              <div className="text-right">
                <div className="font-bold text-xl text-green-600">
                  {booking.primaryCurrency === 'USD'
                    ? `$${booking.priceUSD.toLocaleString()}`
                    : `€${booking.priceEUR.toLocaleString()}`
                  }
                </div>
                <div className="text-sm text-gray-500">
                  {booking.primaryCurrency === 'USD'
                    ? `(€${booking.priceEUR.toLocaleString()})`
                    : `($${booking.priceUSD.toLocaleString()})`
                  }
                </div>
              </div>
            </div>
          </div>

          {booking.notes && (
            <div className="mt-4 pt-4 border-t border-gray-200">
              <p className="text-sm text-gray-600 mb-1">Notes :</p>
              <p className="text-gray-800">{booking.notes}</p>
            </div>
          )}
        </div>

        {/* Next Steps */}
        <div className="bg-blue-50 border border-blue-200 rounded-lg p-4 mb-6">
          <h3 className="font-semibold text-blue-900 mb-2 flex items-center">
            <svg className="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
            </svg>
            Prochaines étapes
          </h3>
          <ul className="text-sm text-blue-800 space-y-1 list-disc list-inside">
            <li>Le client va finaliser les détails du conteneur</li>
            <li>Vous recevrez un email avec les documents nécessaires</li>
            <li>Le paiement sera traité selon vos conditions habituelles</li>
          </ul>
        </div>

        {/* Documents Section */}
        {booking.documents && booking.documents.length > 0 && (
          <div className="bg-gray-50 rounded-lg p-4 mb-6">
            <h3 className="font-semibold text-gray-900 mb-3">Documents fournis</h3>
            <div className="space-y-2">
              {booking.documents.map((doc, index) => (
                <div key={index} className="flex items-center justify-between p-3 bg-white rounded border border-gray-200">
                  <div className="flex items-center">
                    <svg className="w-5 h-5 text-gray-400 mr-3" 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>
                      <p className="text-sm font-medium text-gray-900">{doc.fileName}</p>
                      <p className="text-xs text-gray-500">{doc.type}</p>
                    </div>
                  </div>
                  <a
                    href={doc.url}
                    target="_blank"
                    rel="noopener noreferrer"
                    className="text-blue-600 hover:text-blue-700 text-sm font-medium"
                  >
                    Télécharger
                  </a>
                </div>
              ))}
            </div>
          </div>
        )}

        {/* Contact Info */}
        <div className="text-center text-sm text-gray-500">
          <p>Pour toute question, contactez-nous à</p>
          <a href="mailto:support@xpeditis.com" className="text-blue-600 hover:underline">
            support@xpeditis.com
          </a>
        </div>
      </div>

      <style jsx>{`
        @keyframes scale-in {
          0% {
            transform: scale(0);
            opacity: 0;
          }
          50% {
            transform: scale(1.1);
          }
          100% {
            transform: scale(1);
            opacity: 1;
          }
        }

        .animate-scale-in {
          animation: scale-in 0.5s ease-out;
        }
      `}</style>
    </div>
  );
}