feat: add simple check for username and password

src/FiscalOS.API/Login/Endpoint.cs

@@ -11,8 +11,30 @@ internal static class Endpoint
 
   private static async Task<IResult> HandleAsync([FromBody] LoginRequest loginRequest)
   {
-    Console.WriteLine(loginRequest.Username);
-    Console.WriteLine(loginRequest.Password);
+    const string ADMIN_USERNAME = "Stevan";
+    const string ADMIN_PASSWORD = "@Password1";
+
+    // TODO: Implement actual auth flow
+    // 1. We want to make sure that
+    //    the user exists
+    // 2. We want to make sure that
+    //    tha the password is correct
+    // 3. We want to issue an access token
+    //    with a refresh token
+    // 4. We want to store the refresh
+    //    token
+    // 5. We want to set the refresh
+    //    token in a cookie
+
+    // TODO: Things we need
+    // 1. We need a user model
+    // 2. We need a refresh token model
+
+    if (loginRequest.Username is not ADMIN_USERNAME || loginRequest.Password is not ADMIN_PASSWORD)
+    {
+      return Results.Unauthorized();
+    }
+
     return Results.Ok();
   }
 }