using System;

using FuzzySharp;

​

class Program

{

    static void Main()

    {

        string name = "Daffa";

        string newName1 = "Daffa Akbar";  // ✅ Should allow

        string newName2 = "Daffa Akbar Dwi Putra Damarriyianto";  // ✅ Should allow

        string newName3 = "Daffa Akbar";  // ✅ Should allow (similar)

​

​

        name = UpdateName(name, newName1);

        Console.WriteLine(name);  // Output: Daffa Akbar

​

        name = UpdateName(name, newName2);

        Console.WriteLine(name);  // Output: Daffa Akbar Dwi Putra Damarryianto

​

        name = UpdateName(name, newName3);

        Console.WriteLine(name);  // Output: Daffa Akbar Dwi Putra Damarryianto (unchanged)

    }

​

    static string UpdateName(string currentName, string newName)

    {

        // Convert both to lowercase to make it case-insensitive

        string currentLower = currentName.ToLower();

        string newLower = newName.ToLower();

​

        // Calculate similarity (0-100)

        int ratio = Fuzz.Ratio(currentLower, newLower);

        int partialRatio = Fuzz.PartialRatio(currentLower, newLower);

        Console.WriteLine($"Ratio: {ratio}, PartialRatio: {partialRatio}");

​

        // Allow update if similarity is high or new name starts with current name

        if (ratio >= 80 || partialRatio >= 80 || newLower.StartsWith(currentLower))

        {

            return newName;

        }

​

        return currentName;

    }

}

​