"use client";

import { useState } from "react";
import { signIn } from "next-auth/react";
import { useRouter } from "next/navigation";
import Link from "next/link";
import Header from "@/components/Header";

export default function LoginPage() {
  const router = useRouter();
  const [email, setEmail] = useState("");
  const [password, setPassword] = useState("");
  const [error, setError] = useState("");
  const [loading, setLoading] = useState(false);

  async function handleSubmit(e: React.FormEvent) {
    e.preventDefault();
    setError("");
    setLoading(true);

    const res = await signIn("credentials", {
      email,
      password,
      redirect: false,
    });

    if (res?.error) {
      setError(res.error);
      setLoading(false);
      return;
    }

    router.push("/member");
    router.refresh();
  }

  return (
    <main className="flex min-h-screen flex-col">
      <Header />
      <div className="flex flex-1 items-center justify-center px-4 py-8">
        <div className="w-full max-w-sm">
          <div className="mb-6 text-center">
            <div className="mx-auto mb-3 flex h-16 w-16 items-center justify-center rounded-full bg-primary-600 text-2xl">
              🥊
            </div>
            <h1 className="text-2xl font-bold">Connexion</h1>
            <p className="mt-1 text-sm text-white/60">
              Espace adhérents JuanitoSport
            </p>
          </div>

          <form onSubmit={handleSubmit} className="card space-y-4">
            <div>
              <label className="label">Email</label>
              <input
                type="email"
                value={email}
                onChange={(e) => setEmail(e.target.value)}
                className="input"
                placeholder="vous@email.com"
                required
                autoComplete="email"
              />
            </div>
            <div>
              <label className="label">Mot de passe</label>
              <input
                type="password"
                value={password}
                onChange={(e) => setPassword(e.target.value)}
                className="input"
                placeholder="••••••••"
                required
                autoComplete="current-password"
              />
            </div>

            {error && (
              <p className="rounded-xl border border-red-500/30 bg-red-500/10 px-4 py-3 text-sm text-red-300">
                {error}
              </p>
            )}

            <button
              type="submit"
              className="btn-primary w-full"
              disabled={loading}
            >
              {loading ? "Connexion..." : "Se connecter"}
            </button>
          </form>

          {error && (
            <p className="mt-4 text-center text-xs text-white/40">
              Pas de compte ? Contactez Juanito pour en créer un.
            </p>
          )}

          <Link
            href="/"
            className="mt-6 block text-center text-sm text-white/50 hover:text-white"
          >
            ← Retour à l&apos;accueil
          </Link>
        </div>
      </div>
    </main>
  );
}