implement user authentication with login functionality and database integration

frontend/src/components/LoginForm.tsx

@@ -0,0 +1,74 @@
+import React from "react";
+import { useState } from "react";
+import { loginUser } from "../utils/fetchData";
+import { myToast } from "../utils/toastify";
+
+type LoginFormProps = {
+  onLogin: () => void;
+};
+
+const LoginForm: React.FC<LoginFormProps> = ({ onLogin }) => {
+  const [username, setUsername] = useState("");
+  const [password, setPassword] = useState("");
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    const result = await loginUser(username, password);
+    if (result.success) {
+      myToast("Login successful!", "success");
+      onLogin();
+    } else {
+      myToast("Login failed. Please check your credentials.", "error");
+    }
+  };
+
+  return (
+    <div className="bg-blue-950 min-h-screen">
+      <div className="max-w-sm mx-auto mt-20 bg-white rounded-xl shadow-lg p-8 border border-blue-100">
+        <h2 className="text-2xl font-bold text-blue-700 mb-6 text-center">
+          Login
+        </h2>
+        <form onSubmit={handleSubmit} className="space-y-5">
+          <div>
+            <label
+              htmlFor="username"
+              className="block text-sm font-medium text-gray-700 mb-1"
+            >
+              Username
+            </label>
+            <input
+              type="text"
+              onChange={(e) => setUsername(e.target.value)}
+              id="username"
+              className="mt-1 block w-full border border-gray-300 rounded-md shadow-sm focus:ring-blue-500 focus:border-blue-500 px-3 py-2"
+              required
+            />
+          </div>
+          <div>
+            <label
+              htmlFor="password"
+              className="block text-sm font-medium text-gray-700 mb-1"
+            >
+              Password
+            </label>
+            <input
+              onChange={(e) => setPassword(e.target.value)}
+              type="password"
+              id="password"
+              className="mt-1 block w-full border border-gray-300 rounded-md shadow-sm focus:ring-blue-500 focus:border-blue-500 px-3 py-2"
+              required
+            />
+          </div>
+          <button
+            type="submit"
+            className="w-full bg-blue-600 text-white font-bold py-2 px-4 rounded-md shadow hover:bg-blue-700 transition"
+          >
+            Login
+          </button>
+        </form>
+      </div>
+    </div>
+  );
+};
+
+export default LoginForm;