add register page

app/register/page.tsx

@@ -0,0 +1,109 @@
+"use client";
+
+import { useState } from "react";
+import { useRouter } from "next/navigation";
+import Image from "next/image";
+import Link from "next/link";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+
+export default function RegisterPage() {
+  const [username, setUsername] = useState("");
+  const [password, setPassword] = useState("");
+  const [invitationCode, setInvitationCode] = useState("");
+  const [error, setError] = useState("");
+  const [loading, setLoading] = useState(false);
+  const router = useRouter();
+
+  async function handleRegister(e: React.FormEvent) {
+    e.preventDefault();
+    setError("");
+    setLoading(true);
+
+    const res = await fetch("https://internal-api.inboxi.ng/api/auth/register", {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ username, password, invitationCode }),
+    });
+
+    const data = await res.json();
+    
+    if (res.ok) {
+      console.log("Registered successfully:", data);
+
+      router.push("/login");
+    } else {
+      setError(data.error || "Registration failed");
+    }
+
+    setLoading(false);
+  }
+
+  return (
+    <div className="flex items-center justify-center min-h-screen bg-gray-100 dark:bg-[#0F0F12]">
+      <div className="w-full max-w-md p-8 space-y-8 bg-white dark:bg-[#1F1F23] rounded-xl shadow-lg">
+        <div className="text-center">
+          <h2 className="mt-6 text-3xl font-bold text-gray-900 dark:text-white">Create an Account</h2>
+          <p className="mt-2 text-sm text-gray-600 dark:text-gray-400">Sign up to start selling</p>
+        </div>
+
+        {error && <p className="text-red-500 text-sm text-center">{error}</p>}
+
+        <form className="mt-8 space-y-6" onSubmit={handleRegister}>
+          <div className="space-y-4">
+            <div>
+              <Label htmlFor="username">Username</Label>
+              <Input
+                id="username"
+                name="username"
+                type="text"
+                autoComplete="username"
+                required
+                value={username}
+                onChange={(e) => setUsername(e.target.value)}
+                className="mt-1"
+              />
+            </div>
+            <div>
+              <Label htmlFor="password">Password</Label>
+              <Input
+                id="password"
+                name="password"
+                type="password"
+                autoComplete="new-password"
+                required
+                value={password}
+                onChange={(e) => setPassword(e.target.value)}
+                className="mt-1"
+              />
+            </div>
+            <div>
+              <Label htmlFor="invitationCode">Invitation Code</Label>
+              <Input
+                id="invitationCode"
+                name="invitationCode"
+                type="text"
+                required
+                value={invitationCode}
+                onChange={(e) => setInvitationCode(e.target.value)}
+                className="mt-1"
+              />
+            </div>
+          </div>
+
+          <Button type="submit" className="w-full" disabled={loading}>
+            {loading ? "Registering..." : "Sign Up"}
+          </Button>
+        </form>
+
+        <p className="mt-6 text-sm text-center text-gray-600 dark:text-gray-400">
+          Already have an account?{" "}
+          <Link href="/login" className="text-blue-600 hover:underline dark:text-blue-400">
+            Sign in
+          </Link>
+        </p>
+      </div>
+    </div>
+  );
+}