// app/register/page.tsx
"use client";

import { FormEvent, useState } from "react";
import { useRouter, useSearchParams } from "next/navigation";
import Link from "next/link";
import { useAuth } from "@/context/AuthContext";

export default function RegisterPage() {
  const router = useRouter();
  const searchParams = useSearchParams();
  const { register, loading } = useAuth();

  const [email, setEmail] = useState("");
  const [displayName, setDisplayName] = useState("");
  const [password, setPassword] = useState("");
  const [error, setError] = useState<string | null>(null);

  const next = searchParams.get("next") || "/builder";

  async function handleSubmit(e: FormEvent) {
    e.preventDefault();
    setError(null);

    try {
      await register({ email, password, displayName });
      router.push(next);
    } catch (err: any) {
      setError(err.message ?? "Failed to create account");
    }
  }

  return (
    <main className="min-h-screen bg-black text-zinc-50">
      <div className="mx-auto flex max-w-md flex-col px-4 py-10">
        <h1 className="text-2xl font-semibold tracking-tight">
          Join the <span className="text-amber-300">Battl Builder</span> Beta
        </h1>
        <p className="mt-2 text-sm text-zinc-400">
          Create an account so we can save your builds, watch price drops, and
          roll out new features to you first.
        </p>

        <form onSubmit={handleSubmit} className="mt-6 space-y-4">
          {error && (
            <div className="rounded-md border border-red-500/40 bg-red-500/10 px-3 py-2 text-sm text-red-200">
              {error}
            </div>
          )}

          <div className="space-y-1">
            <label
              className="text-xs font-medium text-zinc-400"
              htmlFor="displayName"
            >
              Display Name (optional)
            </label>
            <input
              id="displayName"
              type="text"
              className="w-full rounded-md border border-zinc-800 bg-zinc-900/70 px-3 py-2 text-sm text-zinc-50 focus:outline-none focus:ring-1 focus:ring-amber-400"
              value={displayName}
              onChange={(e) => setDisplayName(e.target.value)}
            />
          </div>

          <div className="space-y-1">
            <label className="text-xs font-medium text-zinc-400" htmlFor="email">
              Email
            </label>
            <input
              id="email"
              type="email"
              autoComplete="email"
              required
              className="w-full rounded-md border border-zinc-800 bg-zinc-900/70 px-3 py-2 text-sm text-zinc-50 focus:outline-none focus:ring-1 focus:ring-amber-400"
              value={email}
              onChange={(e) => setEmail(e.target.value)}
            />
          </div>

          <div className="space-y-1">
            <label
              className="text-xs font-medium text-zinc-400"
              htmlFor="password"
            >
              Password
            </label>
            <input
              id="password"
              type="password"
              autoComplete="new-password"
              required
              className="w-full rounded-md border border-zinc-800 bg-zinc-900/70 px-3 py-2 text-sm text-zinc-50 focus:outline-none focus:ring-1 focus:ring-amber-400"
              value={password}
              onChange={(e) => setPassword(e.target.value)}
            />
          </div>

          <button
            type="submit"
            disabled={loading}
            className="mt-2 w-full rounded-md border border-amber-400/70 bg-amber-400/20 px-3 py-2 text-sm font-semibold text-amber-100 hover:bg-amber-400/30 disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
          >
            {loading ? "Creating account…" : "Join Beta"}
          </button>
        </form>

        <p className="mt-4 text-xs text-zinc-500">
          Already have an account?{" "}
          <Link href="/login" className="text-amber-300 hover:text-amber-200">
            Log in
          </Link>
          .
        </p>
      </div>
    </main>
  );
}