diff --git a/netxml2kml/Methods/CliOptionsHandlers.cs b/netxml2kml/Methods/CliOptionsHandlers.cs
new file mode 100644
index 0000000..99d832b
--- /dev/null
+++ b/netxml2kml/Methods/CliOptionsHandlers.cs
@@ -0,0 +1,17 @@
+using netxml2kml.Models;
+
+namespace netxml2kml.Methods;
+
+public static class CliOptionsHandlers
+{
+    public static void UniversalHandler(FileInfo? inputFile,
+        FileInfo? outputFile)
+    {
+        
+    }
+    
+    private static string GenerateKml(WirelessNetwork[] wirelessNetworks)
+    {
+        return "test";
+    }
+}
\ No newline at end of file
diff --git a/netxml2kml/Methods/Helpers.cs b/netxml2kml/Methods/Helpers.cs
new file mode 100644
index 0000000..c90c651
--- /dev/null
+++ b/netxml2kml/Methods/Helpers.cs
@@ -0,0 +1,105 @@
+using System.Xml;
+using System.Xml.Serialization;
+using netxml2kml.Models;
+
+namespace netxml2kml.Methods;
+
+public static class Helpers
+{
+    public static WirelessNetwork[] DeserializeXml(FileInfo inputFile)
+    {
+        /* Deserialize to MonoXSD autogenerated class model */
+        
+        var xmlSerializer = new XmlSerializer(typeof(detectionrun));
+        var detectionRun = (detectionrun?) xmlSerializer.Deserialize(
+            XmlReader.Create(inputFile.OpenRead(),
+                new XmlReaderSettings {DtdProcessing = DtdProcessing.Parse}));
+
+        /* Convert machine deserialization to readable class format */
+
+        var wirelessNetworks =
+            new WirelessNetwork[detectionRun!.wirelessnetwork.Count(wn =>
+                wn.type != "probe")];
+
+        for (int i = 0; i < detectionRun.wirelessnetwork.Length; i++)
+        {
+            var detectionRunWirelessNetwork = detectionRun.wirelessnetwork[i];
+
+            // If wireless network is a client – skip
+            if (detectionRunWirelessNetwork.type == "probe")
+            {
+                continue;
+            }
+            
+            wirelessNetworks[i] = new()
+            {
+                Essid = detectionRunWirelessNetwork.SSID.First().essid?.First().Value,
+                Encryption = detectionRunWirelessNetwork.SSID.First().encryption?.Last()?.Value,
+                Bssid = detectionRunWirelessNetwork.BSSID,
+                Manufacturer = detectionRunWirelessNetwork.manuf,
+                FrequencyMhz = Math.Round(Double.Parse(detectionRunWirelessNetwork.freqmhz.Substring(0, 2)) / 10, 1, MidpointRounding.ToPositiveInfinity),
+                MaxSignalDbm = Int32.Parse(detectionRunWirelessNetwork.snrinfo.First().max_signal_dbm),
+                MaxLatitude = Double.Parse(detectionRunWirelessNetwork.gpsinfo.First().maxlat),
+                MaxLongitude = Double.Parse(detectionRunWirelessNetwork.gpsinfo.First().maxlon),
+                MaxAltitude = Double.Parse(detectionRunWirelessNetwork.gpsinfo.First().maxalt),
+                FirstSeenDate = StringToDate(detectionRunWirelessNetwork.firsttime),
+                LastUpdateDate = StringToDate(detectionRunWirelessNetwork.lasttime)
+            };
+
+            // If wireless network has no clients – continue
+            if (detectionRunWirelessNetwork.wirelessclient == null)
+            {
+                continue;
+            }
+
+            var wirelessConnections = new List<WirelessConnection>(detectionRunWirelessNetwork.wirelessclient.Length);
+
+            foreach (var wc in detectionRunWirelessNetwork.wirelessclient)
+            {
+                wirelessConnections.Add(new WirelessConnection
+                {
+                    WirelessClient = new WirelessClient
+                    {
+                        Mac = wc.clientmac,
+                        Manufacturer = wc.clientmanuf,
+                        FirstSeenDate = StringToDate(wc.firsttime),
+                        LastUpdateDate = StringToDate(wc.lasttime)
+                    },
+                    WirelessNetwork = wirelessNetworks[i]
+                });
+            }
+
+            wirelessNetworks[i].WirelessConnections = wirelessConnections;
+        }
+
+        return wirelessNetworks;
+    }
+
+    public static DateTime StringToDate(string dateString)
+    {
+        var monthNameNumber = new Dictionary<string, int>
+        {
+            {"Jan", 1},
+            {"Feb", 2},
+            {"Mar", 3},
+            {"Apr", 4},
+            {"May", 5},
+            {"Jun", 6},
+            {"Jul", 7},
+            {"Aug", 8},
+            {"Sep", 9},
+            {"Oct", 10},
+            {"Nov", 11},
+            {"Dec", 12},
+        };
+
+        var year = Int32.Parse(dateString.Split(" ")[4]);
+        var month = monthNameNumber[dateString.Split(" ")[1]];
+        var day = Int32.Parse(dateString.Split(" ")[2]);
+        var hour = Int32.Parse(dateString.Split(" ")[3].Split(":")[0]);
+        var minute = Int32.Parse(dateString.Split(" ")[3].Split(":")[1]);
+        var second = Int32.Parse(dateString.Split(" ")[3].Split(":")[2]);
+
+        return new DateTime(year, month, day, hour, minute, second);
+    }
+}
\ No newline at end of file
diff --git a/netxml2kml/Program.cs b/netxml2kml/Program.cs
index af0d82d..4a08501 100644
--- a/netxml2kml/Program.cs
+++ b/netxml2kml/Program.cs
@@ -1,9 +1,5 @@
 using System.CommandLine;
-using System.Text;
-using System.Xml;
-using System.Xml.Serialization;
-using netxml2kml.Data;
-using netxml2kml.Models;
+using netxml2kml.Methods;
 
 namespace netxml2kml;
 
@@ -25,85 +21,7 @@ class Program
         rootCommand.AddOption(inputOption);
         rootCommand.AddOption(outputOption);
 
-        rootCommand.SetHandler((inputFile, outputFile) =>
-            {
-                if (!IsValidArguments(inputFile, ref outputFile,
-                        out string validationError))
-                {
-                    Console.WriteLine(validationError);
-                    return;
-                }
-                
-                var serializer = new XmlSerializer(typeof(detectionrun));
-                var detectionRun = (detectionrun?) serializer.Deserialize(XmlReader.Create(inputFile.OpenRead(), new XmlReaderSettings {DtdProcessing = DtdProcessing.Parse}));
-
-                var streamWriter = new StreamWriter(outputFile.OpenWrite());
-                streamWriter.Write("test");
-                streamWriter.Close();
-
-                bool IsValidArguments(FileInfo? inFile, ref FileInfo? outFile,
-                    out string validationErr)
-                {
-                    if (inFile == null)
-                    {
-                        validationErr = "You must specify an input file.";
-                        return false;
-                    }
-
-                    if (!inFile.Exists)
-                    {
-                        validationErr = "Input file doesn't exist.";
-                        return false;
-                    }
-                    
-                    // If output file is not specified – set name to the
-                    // name of an input file with .kml extension
-                    if (outFile == null)
-                    {
-                        outFile = new FileInfo(Path.Join(inFile.DirectoryName,
-                            $"{inFile.Name.Substring(0, inFile.Name.IndexOf(".", StringComparison.Ordinal))}.kml"));
-                    }
-                    
-                    if (!Directory.Exists(outFile.DirectoryName))
-                    {
-                        validationErr = "Output directory doesn't exist.";
-                        return false;
-                    }
-
-                    // If output file with the same name already exists –
-                    // prompt user to change a name of the file
-                    while (outFile.Exists)
-                    {
-                        Console.Write("Output file is already exists. Do you want to overwrite it? [y/N] ");
-                        var opt = Console.ReadLine();
-
-                        if (String.IsNullOrEmpty(opt) || opt.ToLower() == "no" ||
-                            opt.ToLower() == "n")
-                        {
-                            Console.Write("Enter a <new_name>[.kml]: ");
-                            var name = Console.ReadLine();
-
-                            if (String.IsNullOrEmpty(name))
-                            {
-                                continue;
-                            }
-                            
-                            outFile = new FileInfo(
-                                Path.Join(outFile.DirectoryName, name));
-                            continue;
-                        }
-                        
-                        if (opt.ToLower() == "yes" ||
-                            opt.ToLower() == "y")
-                        {
-                            break;
-                        }
-                    }
-                    
-                    validationErr = string.Empty;
-                    return true;
-                }
-            },
+        rootCommand.SetHandler(CliOptionsHandlers.UniversalHandler,
             inputOption, outputOption);
 
         return await rootCommand.InvokeAsync(args);