added registration

src/hooks/useRegister.js

@@ -0,0 +1,69 @@
+import { useState, useEffect } from "react";
+import {API_URL} from "../config/constants";
+
+
+export function useCheckLogin(login) {
+  const [checking, setChecking] = useState(false);
+  const [exists, setExists] = useState(false);
+
+  useEffect(() => {
+    if (!login || login.length < 3) {
+      setExists(false);
+      return;
+    }
+
+    const timer = setTimeout(async () => {
+      try {
+        setChecking(true);
+        const res = await fetch(`${API_URL}/api/v1/auth/check-login?login=${login}`);
+        const json = await res.json();
+        setExists(json.exists);
+      } catch (e) {
+        console.error(e);
+      } finally {
+        setChecking(false);
+      }
+    }, 400);
+
+    return () => clearTimeout(timer);
+  }, [login]);
+
+  return { checking, exists };
+}
+
+
+export function useRegister() {
+  const [loading, setLoading] = useState(false);
+  const [error, setError]     = useState(null);
+  const [success, setSuccess] = useState(false);
+
+  const register = async ({ name, login, password }) => {
+    setLoading(true);
+    setError(null);
+
+    try {
+      const res = await fetch(`${API_URL}/api/v1/auth/register`, {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ name, login, password }),
+      });
+
+      const data = await res.json();
+
+      if (!res.ok) {
+        throw new Error(data.message || "Ошибка регистрации");
+      }
+
+      setSuccess(true);
+      setTimeout(() => {
+        window.location.href = "/register";
+      }, 2500);
+    } catch (e) {
+      setError(e.message);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return { register, loading, error, success };
+}