"use client";
import { useState } from "react";
import { useForm } from "react-hook-form";
import { zodResolver } from "@hookform/resolvers/zod";
import { useAuth } from "@/contexts/AuthContext";
import { useGame } from "@/hooks/useGame";
import { ticketCodeSchema, TicketCodeFormData } from "@/lib/validations";
import { Input } from "@/components/ui/Input";
import Button from "@/components/Button";
import { Card, CardHeader, CardTitle, CardContent } from "@/components/ui/Card";
import { Modal } from "@/components/ui/Modal";
import { PRIZE_CONFIG } from "@/utils/constants";
import { PlayGameResponse } from "@/types";
import { useRouter } from "next/navigation";
import { ROUTES } from "@/utils/constants";
import Link from "next/link";

export default function JeuxPage() {
  const { user, isAuthenticated } = useAuth();
  const { play, isPlaying } = useGame();
  const router = useRouter();
  const [showResultModal, setShowResultModal] = useState(false);
  const [gameResult, setGameResult] = useState<PlayGameResponse | null>(null);
  const [errorMessage, setErrorMessage] = useState<string>("");

  const {
    register,
    handleSubmit,
    reset,
    formState: { errors },
  } = useForm<TicketCodeFormData>({
    resolver: zodResolver(ticketCodeSchema),
  });

  const onSubmit = async (data: TicketCodeFormData) => {
    // Réinitialiser le message d'erreur
    setErrorMessage("");

    // Si non connecté, rediriger vers login
    if (!isAuthenticated) {
      router.push(`${ROUTES.LOGIN}?redirect=/jeux`);
      return;
    }

    const result = await play(data.ticketCode);
    if (result) {
      setGameResult(result);
      setShowResultModal(true);
      setErrorMessage("");
      reset();
    } else {
      // En cas d'erreur, afficher un message personnalisé
      setErrorMessage("Ce code a déjà été utilisé ou est invalide. Si vous avez déjà utilisé ce code, consultez vos tickets dans 'Mes lots'.");
    }
  };

  const closeModal = () => {
    setShowResultModal(false);
    setGameResult(null);
  };

  const prizeConfig = gameResult?.prize
    ? PRIZE_CONFIG[gameResult.prize.type as keyof typeof PRIZE_CONFIG]
    : null;

  return (
    <div className="py-8">
      {/* Formulaire Section */}
      <section className="mb-16">
        <div className="max-w-2xl mx-auto">
          <Card className="shadow-xl">
            <CardHeader className="bg-gradient-to-r from-primary-50 to-green-50">
              <CardTitle className="text-center text-2xl md:text-3xl text-primary-800">
                🎁 Jouez maintenant !
              </CardTitle>
            </CardHeader>
            <CardContent className="pt-8">
              <div className="mb-6 text-center">
                {isAuthenticated ? (
                  <p className="text-gray-700">
                    Bonjour <span className="font-bold text-primary-600">{user?.firstName}</span>,
                    entrez le code de 10 caractères présent sur votre ticket de caisse
                  </p>
                ) : (
                  <div className="bg-yellow-50 border border-yellow-200 rounded-lg p-4 mb-4">
                    <p className="text-yellow-800 text-sm">
                      💡 Vous devez être connecté pour valider votre code.
                      <Link href={ROUTES.LOGIN} className="font-semibold underline ml-1">
                        Connectez-vous
                      </Link>
                    </p>
                  </div>
                )}
              </div>

              <form onSubmit={handleSubmit(onSubmit)} className="space-y-6">
                <div>
                  <label htmlFor="ticketCode" className="block text-sm font-medium text-gray-700 mb-2">
                    Code du ticket
                  </label>
                  <input
                    id="ticketCode"
                    type="text"
                    placeholder="TTP2025ABC"
                    {...register("ticketCode")}
                    className="w-full px-6 py-4 text-center text-2xl font-mono font-bold uppercase border-2 border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-primary-500 focus:border-transparent tracking-widest"
                    maxLength={10}
                  />
                  {errors.ticketCode && (
                    <p className="mt-2 text-sm text-red-600">{errors.ticketCode.message}</p>
                  )}
                  {errorMessage && (
                    <div className="mt-3 p-4 bg-red-50 border border-red-200 rounded-lg">
                      <p className="text-sm text-red-800 font-medium mb-2">
                        ❌ {errorMessage}
                      </p>
                      <Link
                        href={ROUTES.MY_LOTS}
                        className="text-sm text-red-600 hover:text-red-800 underline font-medium"
                      >
                        → Voir vos tickets déjà utilisés
                      </Link>
                    </div>
                  )}
                  <p className="mt-2 text-sm text-gray-500 text-center">
                    Format: TTP2025ABC (10 caractères)
                  </p>
                </div>

                <div className="flex justify-center">
                  <Button
                    type="submit"
                    isLoading={isPlaying}
                    disabled={isPlaying}
                    size="lg"
                    className="px-12 py-4 text-lg"
                  >
                    {isPlaying ? "Vérification en cours..." : "🎲 Tenter ma chance !"}
                  </Button>
                </div>
              </form>

              {!isAuthenticated && (
                <div className="mt-6 text-center">
                  <p className="text-sm text-gray-600 mb-3">
                    Pas encore de compte ?
                  </p>
                  <Link href={ROUTES.REGISTER}>
                    <Button variant="outline" size="sm">
                      Créer un compte gratuitement
                    </Button>
                  </Link>
                </div>
              )}

              {isAuthenticated && (
                <div className="mt-6 p-4 bg-blue-50 border border-blue-200 rounded-lg">
                  <p className="text-sm text-blue-800 mb-2">
                    💡 <strong>Bon à savoir :</strong>
                  </p>
                  <ul className="text-sm text-blue-700 space-y-1 list-disc list-inside">
                    <li>Chaque code ne peut être utilisé qu'une seule fois</li>
                    <li>Consultez vos tickets sur la page <Link href={ROUTES.MY_LOTS} className="underline font-medium">Mes lots</Link></li>
                  </ul>
                </div>
              )}
            </CardContent>
          </Card>
        </div>
      </section>

        {/* Result Modal */}
        <Modal
          isOpen={showResultModal}
          onClose={closeModal}
          title="Résultat"
          size="md"
        >
          {gameResult && prizeConfig && (
            <div className="text-center py-6">
              <div className="text-6xl mb-4">{prizeConfig.icon}</div>
              <h3 className="text-2xl font-bold text-gray-900 mb-2">
                Félicitations ! 🎉
              </h3>
              <p className="text-lg text-gray-700 mb-4">
                Vous avez gagné :
              </p>
              <div
                className={`inline-block px-6 py-3 rounded-full text-lg font-semibold mb-6 ${prizeConfig.color}`}
              >
                {prizeConfig.name}
              </div>
              <p className="text-gray-600 mb-6">
                {gameResult.message || "Présentez-vous en magasin pour récupérer votre lot !"}
              </p>
              <div className="flex gap-3 justify-center">
                <Button onClick={closeModal} variant="outline">
                  Fermer
                </Button>
                <Button onClick={() => router.push(ROUTES.MY_LOTS)}>
                  Voir mes lots
                </Button>
              </div>
            </div>
          )}
        </Modal>
    </div>
  );
}