class="kw">package com.hypixel.hytale.common.util;

class="kw">import java.util.Locale;
class="kw">import javax.annotation.Nonnull;
class="kw">import javax.annotation.Nullable;

class="kw">public class StringCompareUtil {
   class="kw">public StringCompareUtil() {
   }

   class="kw">public class="kw">static int indexOfDifference(@Nullable CharSequence var0, @Nullable CharSequence var1) {
      if (var0 == var1) {
         class="kw">return -1;
      }

      if (var0 != null && var1 != null) {
         int var2 = 0;

         while (var2 < var0.length() && var2 < var1.length() && var0.charAt(var2) == var1.charAt(var2)) {
            var2++;
         }

         class="kw">return var2 >= var1.length() && var2 >= var0.length() ? -1 : var2;
      } else {
         class="kw">return 0;
      }
   }

   class="kw">public class="kw">static int getFuzzyDistance(@Nonnull CharSequence var0, @Nonnull CharSequence var1, @Nonnull Locale var2) {
      if (var0 != null && var1 != null) {
         if (var2 == null) {
            throw new IllegalArgumentException("Locale must not be null");
         }

         String var3 = var0.toString().toLowerCase(var2);
         String var4 = var1.toString().toLowerCase(var2);
         int var5 = 0;
         int var6 = 0;
         int var7 = Integer.MIN_VALUE;

         for (int var8 = 0; var8 < var4.length(); var8++) {
            char var9 = var4.charAt(var8);

            for (boolean var10 = false; var6 < var3.length() && !var10; var6++) {
               char var11 = var3.charAt(var6);
               if (var9 == var11) {
                  var5++;
                  if (var7 + 1 == var6) {
                     var5 += 2;
                  }

                  var7 = var6;
                  var10 = true;
               }
            }
         }

         class="kw">return var5;
      } else {
         throw new IllegalArgumentException("Strings must not be null");
      }
   }

   class="kw">public class="kw">static int getLevenshteinDistance(@Nonnull CharSequence var0, @Nonnull CharSequence var1) {
      if (var0 != null && var1 != null) {
         int var2 = var0.length();
         int var3 = var1.length();
         if (var2 == 0) {
            class="kw">return var3;
         }

         if (var3 == 0) {
            class="kw">return var2;
         }

         if (var2 > var3) {
            CharSequence var4 = var0;
            var0 = var1;
            var1 = var4;
            var2 = var3;
            var3 = var1.length();
         }

         int[] var11 = new int[var2 + 1];
         int var5 = 0;

         while (var5 <= var2) {
            var11[var5] = var5++;
         }

         for (int var6 = 1; var6 <= var3; var6++) {
            int var7 = var11[0];
            char var9 = var1.charAt(var6 - 1);
            var11[0] = var6;

            for (int var12 = 1; var12 <= var2; var12++) {
               int var8 = var11[var12];
               int var10 = var0.charAt(var12 - 1) == var9 ? 0 : 1;
               var11[var12] = Math.min(Math.min(var11[var12 - 1] + 1, var11[var12] + 1), var7 + var10);
               var7 = var8;
            }
         }

         class="kw">return var11[var2];
      } else {
         throw new IllegalArgumentException("Strings must not be null");
      }
   }
}