Added new stats to `/moo stalkskyblock`

- new stats: skill average, slayer levels, pets
- also new alias: `/moo ss`
- new alias for `moo stalk`: `/moo s`
- also: stalking = bad!

9 files changed, 449 insertions, 146 deletions

diff --git a/src/main/java/eu/olli/cowlection/command/MooCommand.java b/src/main/java/eu/olli/cowlection/command/MooCommand.java
index e1c8a13..bde7758 100644
--- a/src/main/java/eu/olli/cowlection/command/MooCommand.java
+++ b/src/main/java/eu/olli/cowlection/command/MooCommand.java
@@ -7,10 +7,8 @@ import eu.olli.cowlection.command.exception.InvalidPlayerNameException;
 import eu.olli.cowlection.command.exception.MooCommandException;
 import eu.olli.cowlection.config.MooConfig;
 import eu.olli.cowlection.config.MooGuiConfig;
-import eu.olli.cowlection.data.DataHelper;
-import eu.olli.cowlection.data.Friend;
-import eu.olli.cowlection.data.HySkyBlockStats;
-import eu.olli.cowlection.data.HyStalkingData;
+import eu.olli.cowlection.data.*;
+import eu.olli.cowlection.data.HySkyBlockStats.Profile.Pet;
 import eu.olli.cowlection.handler.DungeonCache;
 import eu.olli.cowlection.search.GuiSearch;
 import eu.olli.cowlection.util.*;
@@ -53,7 +51,9 @@ public class MooCommand extends CommandBase {
             // work-around so you can still say 'moo' in chat without triggering the client-side command
             String msg = CommandBase.buildString(args, 1);
             Minecraft.getMinecraft().thePlayer.sendChatMessage(getCommandName() + (!msg.isEmpty() ? " " + msg : ""));
-        } else if (args[0].equalsIgnoreCase("stalk")) {
+        } else if (args[0].equalsIgnoreCase("stalk")
+                || args[0].equalsIgnoreCase("s")
+                || args[0].equalsIgnoreCase("askPolitelyWhereTheyAre")) {
             if (args.length != 2) {
                 throw new WrongUsageException("/" + getCommandName() + " stalk <playerName>");
             } else if (!Utils.isValidMcName(args[1])) {
@@ -61,9 +61,12 @@ public class MooCommand extends CommandBase {
             } else {
                 handleStalking(args[1]);
             }
-        } else if (args[0].equalsIgnoreCase("stalksb") || args[0].equalsIgnoreCase("stalkskyblock") || args[0].equalsIgnoreCase("skyblockstalk")) {
+        } else if (args[0].equalsIgnoreCase("stalkskyblock") || args[0].equalsIgnoreCase("skyblockstalk")
+                || args[0].equalsIgnoreCase("ss")
+                || args[0].equalsIgnoreCase("stalksb") || args[0].equalsIgnoreCase("sbstalk")
+                || args[0].equalsIgnoreCase("askPolitelyAboutTheirSkyBlockProgress")) {
             if (args.length != 2) {
-                throw new WrongUsageException("/" + getCommandName() + " stalkskyblock <playerName>");
+                throw new WrongUsageException("/" + getCommandName() + " skyblockstalk <playerName>");
             } else if (!Utils.isValidMcName(args[1])) {
                 throw new InvalidPlayerNameException(args[1]);
             } else {
@@ -370,21 +373,25 @@ public class MooCommand extends CommandBase {
 
                 MooChatComponent skillLevels = new MooChatComponent("Skill levels:").gold();
                 HySkyBlockStats.Profile.Member member = activeProfile.getMember(stalkedPlayer.getUuid());
-                for (Map.Entry<HySkyBlockStats.SkillLevel, Double> entry : member.getSkills().entrySet()) {
+                int skillLevelsSum = 0;
+                for (Map.Entry<XpTables.Skill, Integer> entry : member.getSkills().entrySet()) {
                     String skill = Utils.fancyCase(entry.getKey().name());
-                    int level = entry.getKey().getLevel(entry.getValue());
-                    if (level > 0) {
-                        String skillLevel = MooConfig.useRomanNumerals() ? Utils.convertArabicToRoman(level) : String.valueOf(level);
-                        skillLevels.appendFreshSibling(new MooChatComponent.KeyValueTooltipComponent(skill, skillLevel));
-                    }
+                    int level = entry.getValue();
+                    String skillLevel = MooConfig.useRomanNumerals() ? Utils.convertArabicToRoman(level) : String.valueOf(level);
+                    skillLevels.appendFreshSibling(new MooChatComponent.KeyValueTooltipComponent(skill, skillLevel));
 
                     if (level > highestLevel) {
                         highestSkill = skill;
                         highestLevel = level;
                     }
+                    if (!skill.equals("Carpentry") && !skill.equals("Runecrafting")) {
+                        skillLevelsSum += level;
+                    }
                 }
 
                 // output inspired by /profiles hover
+
+                // coins:
                 String coinsBankAndPurse = (activeProfile.getCoinBank() >= 0) ? Utils.formatNumberWithAbbreviations(activeProfile.getCoinBank() + member.getCoinPurse()) : "API access disabled";
                 Pair<String, String> fancyFirstJoined = member.getFancyFirstJoined();
 
@@ -399,6 +406,7 @@ public class MooCommand extends CommandBase {
 
                 MooChatComponent sbStats = new MooChatComponent("SkyBlock stats of " + stalkedPlayer.getName() + " (" + activeProfile.getCuteName() + ")").gold().bold().setUrl("https://sky.lea.moe/stats/" + stalkedPlayer.getName() + "/" + activeProfile.getCuteName(), "Click to view SkyBlock stats on sky.lea.moe")
                         .appendFreshSibling(new MooChatComponent.KeyValueChatComponent("Coins", coinsBankAndPurse).setHover(wealthHover));
+                // highest skill + skill average:
                 if (highestSkill != null) {
                     if (highestLevel == 0) {
                         sbStats.appendFreshSibling(new MooChatComponent.KeyValueChatComponent("Highest Skill", "All skills level 0"));
@@ -406,22 +414,93 @@ public class MooCommand extends CommandBase {
                         String highestSkillLevel = MooConfig.useRomanNumerals() ? Utils.convertArabicToRoman(highestLevel) : String.valueOf(highestLevel);
                         sbStats.appendFreshSibling(new MooChatComponent.KeyValueChatComponent("Highest Skill", highestSkill + " " + highestSkillLevel).setHover(skillLevels));
                     }
+                    double skillAverage = XpTables.Skill.getSkillAverage(skillLevelsSum);
+                    sbStats.appendFreshSibling(new MooChatComponent.KeyValueChatComponent("Skill average", String.format("%.1f", skillAverage))
+                            .setHover(new MooChatComponent("Average skill level over all non-cosmetic skills\n(all except Carpentry and Runecrafting)").gray()));
                 } else {
                     sbStats.appendFreshSibling(new MooChatComponent.KeyValueChatComponent("Highest Skill", "API access disabled"));
                 }
 
+                // slayer levels:
+                StringBuilder slayerLevels = new StringBuilder();
+                StringBuilder slayerLevelsTooltip = new StringBuilder();
+                MooChatComponent slayerLevelsTooltipComponent = new MooChatComponent("Slayer bosses:").gold();
+                for (Map.Entry<XpTables.Slayer, Integer> entry : member.getSlayerLevels().entrySet()) {
+                    String slayerBoss = Utils.fancyCase(entry.getKey().name());
+                    if (slayerLevels.length() > 0) {
+                        slayerLevels.append(EnumChatFormatting.GRAY).append(" | ").append(EnumChatFormatting.YELLOW);
+                        slayerLevelsTooltip.append(EnumChatFormatting.DARK_GRAY).append(" | ").append(EnumChatFormatting.WHITE);
+                    }
+                    slayerLevelsTooltip.append(slayerBoss);
+                    int level = entry.getValue();
+
+                    String slayerLevel = (level > 0) ? (MooConfig.useRomanNumerals() ? Utils.convertArabicToRoman(level) : String.valueOf(level)) : "0";
+                    slayerLevels.append(slayerLevel);
+                }
+                MooChatComponent slayerLevelsComponent = new MooChatComponent.KeyValueChatComponent("Slayer levels", slayerLevels.toString());
+                slayerLevelsComponent.setHover(slayerLevelsTooltipComponent.appendFreshSibling(new MooChatComponent(slayerLevelsTooltip.toString()).white()));
+                sbStats.appendFreshSibling(slayerLevelsComponent);
+
+                // pets:
+                Pet activePet = null;
+                Pet bestPet = null;
+                StringBuilder pets = new StringBuilder();
+                List<Pet> memberPets = member.getPets();
+                int showPetsLimit = Math.min(16, memberPets.size());
+                for (int i = 0; i < showPetsLimit; i++) {
+                    Pet pet = memberPets.get(i);
+                    if (pet.isActive()) {
+                        activePet = pet;
+                    } else {
+                        if (activePet == null && bestPet == null && pets.length() == 0) {
+                            // no active pet, display highest pet instead
+                            bestPet = pet;
+                            continue;
+                        } else if (pets.length() > 0) {
+                            pets.append("\n");
+                        }
+                        pets.append(pet.toFancyString());
+                    }
+                }
+                int remainingPets = memberPets.size() - showPetsLimit;
+                if (remainingPets > 0 && pets.length() > 0) {
+                    pets.append("\n").append(EnumChatFormatting.GRAY).append(" + ").append(remainingPets).append(" other pets");
+                }
+                MooChatComponent petsComponent = null;
+                if (activePet != null) {
+                    petsComponent = new MooChatComponent.KeyValueChatComponent("Active Pet", activePet.toFancyString());
+                } else if (bestPet != null) {
+                    petsComponent = new MooChatComponent.KeyValueChatComponent("Best Pet", bestPet.toFancyString());
+                }
+                if (pets.length() > 0 && petsComponent != null) {
+                    petsComponent.setHover(new MooChatComponent("Other pets:").gold().bold().appendFreshSibling(new MooChatComponent(pets.toString())));
+                }
+                if (petsComponent == null) {
+                    petsComponent = new MooChatComponent.KeyValueChatComponent("Pet", "none");
+                }
+                sbStats.appendFreshSibling(petsComponent);
+
+                // minions:
                 Pair<Integer, Integer> uniqueMinionsData = activeProfile.getUniqueMinions();
                 String uniqueMinions = String.valueOf(uniqueMinionsData.first());
+                String uniqueMinionsHoverText = null;
                 if (uniqueMinionsData.second() > activeProfile.coopCount()) {
                     // all players have their unique minions api access disabled
                     uniqueMinions = "API access disabled";
                 } else if (uniqueMinionsData.second() > 0) {
                     // at least one player has their unique minions api access disabled
-                    uniqueMinions += " or more (" + uniqueMinionsData.second() + "/" + (activeProfile.coopCount() + 1) + " have their API access disabled)";
+                    uniqueMinions += EnumChatFormatting.GRAY + " or more";
+                    uniqueMinionsHoverText = "" + EnumChatFormatting.WHITE + uniqueMinionsData.second() + " out of " + (activeProfile.coopCount() + 1) + EnumChatFormatting.GRAY + " Co-op members have disabled API access, so some unique minions may be missing";
                 }
 
-                sbStats.appendFreshSibling(new MooChatComponent.KeyValueChatComponent("Unique Minions", uniqueMinions));
+                MooChatComponent.KeyValueChatComponent uniqueMinionsComponent = new MooChatComponent.KeyValueChatComponent("Unique Minions", uniqueMinions);
+                if (uniqueMinionsHoverText != null) {
+                    uniqueMinionsComponent.setHover(new MooChatComponent(uniqueMinionsHoverText).gray());
+                }
+                sbStats.appendFreshSibling(uniqueMinionsComponent);
+                // fairy souls:
                 sbStats.appendFreshSibling(new MooChatComponent.KeyValueChatComponent("Fairy Souls", (member.getFairySoulsCollected() >= 0) ? String.valueOf(member.getFairySoulsCollected()) : "API access disabled"));
+                // profile age:
                 sbStats.appendFreshSibling(new MooChatComponent.KeyValueChatComponent("Profile age", fancyFirstJoined.first()).setHover(new MooChatComponent.KeyValueTooltipComponent("Join date", fancyFirstJoined.second())));
 
                 main.getChatHelper().sendMessage(sbStats);
@@ -548,7 +627,7 @@ public class MooCommand extends CommandBase {
     public List<String> addTabCompletionOptions(ICommandSender sender, String[] args, BlockPos pos) {
         if (args.length == 1) {
             return getListOfStringsMatchingLastWord(args,
-                    /* friends & other players */ "stalk", "stalkskyblock", "skyblockstalk", "analyzeIsland", "deaths", "add", "remove", "list", "nameChangeCheck", "toggle",
+                    /* friends & other players */ "stalk", "askPolitelyWhereTheyAre", "stalkskyblock", "skyblockstalk", "askPolitelyAboutTheirSkyBlockProgress", "analyzeIsland", "deaths", "add", "remove", "list", "nameChangeCheck", "toggle",
                     /* miscellaneous */ "config", "search", "guiscale", "rr", "shrug", "apikey",
                     /* update mod */ "update", "updateHelp", "version", "directory",
                     /* help */ "help");
diff --git a/src/main/java/eu/olli/cowlection/data/DataHelper.java b/src/main/java/eu/olli/cowlection/data/DataHelper.java
index d6167b0..02911bb 100644
--- a/src/main/java/eu/olli/cowlection/data/DataHelper.java
+++ b/src/main/java/eu/olli/cowlection/data/DataHelper.java
@@ -1,7 +1,9 @@
 package eu.olli.cowlection.data;
 
 import eu.olli.cowlection.util.Utils;
+import net.minecraft.util.EnumChatFormatting;
 
+import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -9,6 +11,31 @@ public final class DataHelper {
     private DataHelper() {
     }
 
+    public enum SkyBlockRarity {
+        COMMON(EnumChatFormatting.WHITE),
+        UNCOMMON(EnumChatFormatting.GREEN),
+        RARE(EnumChatFormatting.BLUE),
+        EPIC(EnumChatFormatting.DARK_PURPLE),
+        LEGENDARY(EnumChatFormatting.GOLD),
+        MYTHIC(EnumChatFormatting.LIGHT_PURPLE),
+        SPECIAL(EnumChatFormatting.RED),
+        VERY_SPECIAL(EnumChatFormatting.RED);
+
+        public final EnumChatFormatting rarityColor;
+
+        SkyBlockRarity(EnumChatFormatting color) {
+            this.rarityColor = color;
+        }
+
+        public static SkyBlockRarity[] getPetRarities() {
+            return Arrays.stream(values(), 0, 5).toArray(SkyBlockRarity[]::new);
+        }
+
+        public EnumChatFormatting getColor() {
+            return rarityColor;
+        }
+    }
+
     // TODO replace with api request: https://github.com/HypixelDev/PublicAPI/blob/master/Documentation/misc/GameType.md
     public enum GameType {
         QUAKECRAFT("Quakecraft"),
diff --git a/src/main/java/eu/olli/cowlection/data/HyPlayerData.java b/src/main/java/eu/olli/cowlection/data/HyPlayerData.java
index 06be1e9..a34e9fa 100644
--- a/src/main/java/eu/olli/cowlection/data/HyPlayerData.java
+++ b/src/main/java/eu/olli/cowlection/data/HyPlayerData.java
@@ -73,7 +73,7 @@ public class HyPlayerData {
                 case "ADMIN":
                     return EnumChatFormatting.RED + "[ADMIN]";
                 case "YOUTUBER":
-                    return EnumChatFormatting.RED + "[" + EnumChatFormatting.WHITE + "YOUTUBER" + EnumChatFormatting.RED + "]";
+                    return EnumChatFormatting.RED + "[" + EnumChatFormatting.WHITE + "YOUTUBE" + EnumChatFormatting.RED + "]";
             }
         }
         if (rankPlusColor == null) {
diff --git a/src/main/java/eu/olli/cowlection/data/HySkyBlockStats.java b/src/main/java/eu/olli/cowlection/data/HySkyBlockStats.java
index 45727fc..f5f3d0d 100644
--- a/src/main/java/eu/olli/cowlection/data/HySkyBlockStats.java
+++ b/src/main/java/eu/olli/cowlection/data/HySkyBlockStats.java
@@ -1,13 +1,11 @@
 package eu.olli.cowlection.data;
 
+import com.google.common.collect.ComparisonChain;
 import com.mojang.realmsclient.util.Pair;
 import com.mojang.util.UUIDTypeAdapter;
 import eu.olli.cowlection.util.Utils;
 
-import java.util.List;
-import java.util.Map;
-import java.util.TreeMap;
-import java.util.UUID;
+import java.util.*;
 
 public class HySkyBlockStats {
     private boolean success;
@@ -115,6 +113,8 @@ public class HySkyBlockStats {
             private double experience_skill_carpentry = -1;
             private double experience_skill_runecrafting = -1;
             private double experience_skill_taming = -1;
+            private Map<String, SlayerBossDetails> slayer_bosses;
+            private List<Pet> pets;
 
             /**
              * No-args constructor for GSON
@@ -134,40 +134,82 @@ public class HySkyBlockStats {
                 return fairy_souls_collected;
             }
 
-            public Map<SkillLevel, Double> getSkills() {
-                Map<SkillLevel, Double> skills = new TreeMap<>();
+            public Map<XpTables.Skill, Integer> getSkills() {
+                Map<XpTables.Skill, Integer> skills = new TreeMap<>();
                 if (experience_skill_farming >= 0) {
-                    skills.put(SkillLevel.FARMING, experience_skill_farming);
+                    skills.put(XpTables.Skill.FARMING, XpTables.Skill.FARMING.getLevel(experience_skill_farming));
                 }
                 if (experience_skill_mining >= 0) {
-                    skills.put(SkillLevel.MINING, experience_skill_mining);
+                    skills.put(XpTables.Skill.MINING, XpTables.Skill.MINING.getLevel(experience_skill_mining));
                 }
                 if (experience_skill_combat >= 0) {
-                    skills.put(SkillLevel.COMBAT, experience_skill_combat);
+                    skills.put(XpTables.Skill.COMBAT, XpTables.Skill.COMBAT.getLevel(experience_skill_combat));
                 }
                 if (experience_skill_foraging >= 0) {
-                    skills.put(SkillLevel.FORAGING, experience_skill_foraging);
+                    skills.put(XpTables.Skill.FORAGING, XpTables.Skill.FORAGING.getLevel(experience_skill_foraging));
                 }
                 if (experience_skill_fishing >= 0) {
-                    skills.put(SkillLevel.FISHING, experience_skill_fishing);
+                    skills.put(XpTables.Skill.FISHING, XpTables.Skill.FISHING.getLevel(experience_skill_fishing));
                 }
                 if (experience_skill_enchanting >= 0) {
-                    skills.put(SkillLevel.ENCHANTING, experience_skill_enchanting);
+                    skills.put(XpTables.Skill.ENCHANTING, XpTables.Skill.ENCHANTING.getLevel(experience_skill_enchanting));
                 }
                 if (experience_skill_alchemy >= 0) {
-                    skills.put(SkillLevel.ALCHEMY, experience_skill_alchemy);
+                    skills.put(XpTables.Skill.ALCHEMY, XpTables.Skill.ALCHEMY.getLevel(experience_skill_alchemy));
                 }
                 if (experience_skill_carpentry >= 0) {
-                    skills.put(SkillLevel.CARPENTRY, experience_skill_carpentry);
+                    skills.put(XpTables.Skill.CARPENTRY, XpTables.Skill.CARPENTRY.getLevel(experience_skill_carpentry));
                 }
                 if (experience_skill_runecrafting >= 0) {
-                    skills.put(SkillLevel.RUNECRAFTING, experience_skill_runecrafting);
+                    skills.put(XpTables.Skill.RUNECRAFTING, XpTables.Skill.RUNECRAFTING.getLevel(experience_skill_runecrafting));
                 }
                 if (experience_skill_taming >= 0) {
-                    skills.put(SkillLevel.TAMING, experience_skill_taming);
+                    skills.put(XpTables.Skill.TAMING, XpTables.Skill.TAMING.getLevel(experience_skill_taming));
                 }
                 return skills;
             }
+
+            public Map<XpTables.Slayer, Integer> getSlayerLevels() {
+                Map<XpTables.Slayer, Integer> slayerLevels = new EnumMap<>(XpTables.Slayer.class);
+                for (XpTables.Slayer slayerBoss : XpTables.Slayer.values()) {
+                    SlayerBossDetails bossDetails = slayer_bosses.get(slayerBoss.name().toLowerCase());
+                    int slayerLevel = slayerBoss.getLevel(bossDetails.xp);
+                    slayerLevels.put(slayerBoss, slayerLevel);
+                }
+                return slayerLevels;
+            }
+
+            public List<Pet> getPets() {
+                pets.sort((p1, p2) -> ComparisonChain.start().compare(p2.active, p1.active).compare(p2.getRarity(), p1.getRarity()).compare(p2.exp, p1.exp).result());
+                return pets;
+            }
+        }
+
+        private static class SlayerBossDetails {
+            private int xp;
+        }
+
+        public static class Pet {
+            private String type;
+            private double exp;
+            private String tier;
+            private boolean active;
+
+            public boolean isActive() {
+                return active;
+            }
+
+            public DataHelper.SkyBlockRarity getRarity() {
+                return DataHelper.SkyBlockRarity.valueOf(tier);
+            }
+
+            public String toFancyString() {
+                return getRarity().getColor() + Utils.fancyCase(type) + " " + getLevel();
+            }
+
+            private int getLevel() {
+                return XpTables.Pet.getLevel(tier, exp);
+            }
         }
 
         public static class Banking {
@@ -194,109 +236,4 @@ public class HySkyBlockStats {
             //  }
         }
     }
-
-    public enum SkillLevel {
-        FARMING, MINING, COMBAT, FORAGING, FISHING, ENCHANTING, ALCHEMY, CARPENTRY, RUNECRAFTING(true), TAMING;
-        private final boolean alternativeXpFormula;
-        private static final TreeMap<Integer, Integer> XP_TO_LEVEL = new TreeMap<>();
-        private static final TreeMap<Integer, Integer> XP_TO_LEVEL_ALTERNATIVE = new TreeMap<>();
-
-        static {
-            // exp data taken from https://api.hypixel.net/resources/skyblock/skills
-            XP_TO_LEVEL.put(0, 0);
-            XP_TO_LEVEL.put(50, 1);
-            XP_TO_LEVEL.put(175, 2);
-            XP_TO_LEVEL.put(375, 3);
-            XP_TO_LEVEL.put(675, 4);
-            XP_TO_LEVEL.put(1175, 5);
-            XP_TO_LEVEL.put(1925, 6);
-            XP_TO_LEVEL.put(2925, 7);
-            XP_TO_LEVEL.put(4425, 8);
-            XP_TO_LEVEL.put(6425, 9);
-            XP_TO_LEVEL.put(9925, 10);
-            XP_TO_LEVEL.put(14925, 11);
-            XP_TO_LEVEL.put(22425, 12);
-            XP_TO_LEVEL.put(32425, 13);
-            XP_TO_LEVEL.put(47425, 14);
-            XP_TO_LEVEL.put(67425, 15);
-            XP_TO_LEVEL.put(97425, 16);
-            XP_TO_LEVEL.put(147425, 17);
-            XP_TO_LEVEL.put(222425, 18);
-            XP_TO_LEVEL.put(322425, 19);
-            XP_TO_LEVEL.put(522425, 20);
-            XP_TO_LEVEL.put(822425, 21);
-            XP_TO_LEVEL.put(1222425, 22);
-            XP_TO_LEVEL.put(1722425, 23);
-            XP_TO_LEVEL.put(2322425, 24);
-            XP_TO_LEVEL.put(3022425, 25);
-            XP_TO_LEVEL.put(3822425, 26);
-            XP_TO_LEVEL.put(4722425, 27);
-            XP_TO_LEVEL.put(5722425, 28);
-            XP_TO_LEVEL.put(6822425, 29);
-            XP_TO_LEVEL.put(8022425, 30);
-            XP_TO_LEVEL.put(9322425, 31);
-            XP_TO_LEVEL.put(10722425, 32);
-            XP_TO_LEVEL.put(12222425, 33);
-            XP_TO_LEVEL.put(13822425, 34);
-            XP_TO_LEVEL.put(15522425, 35);
-            XP_TO_LEVEL.put(17322425, 36);
-            XP_TO_LEVEL.put(19222425, 37);
-            XP_TO_LEVEL.put(21222425, 38);
-            XP_TO_LEVEL.put(23322425, 39);
-            XP_TO_LEVEL.put(25522425, 40);
-            XP_TO_LEVEL.put(27822425, 41);
-            XP_TO_LEVEL.put(30222425, 42);
-            XP_TO_LEVEL.put(32722425, 43);
-            XP_TO_LEVEL.put(35322425, 44);
-            XP_TO_LEVEL.put(38072425, 45);
-            XP_TO_LEVEL.put(40972425, 46);
-            XP_TO_LEVEL.put(44072425, 47);
-            XP_TO_LEVEL.put(47472425, 48);
-            XP_TO_LEVEL.put(51172425, 49);
-            XP_TO_LEVEL.put(55172425, 50);
-
-            XP_TO_LEVEL_ALTERNATIVE.put(0, 0);
-            XP_TO_LEVEL_ALTERNATIVE.put(50, 1);
-            XP_TO_LEVEL_ALTERNATIVE.put(150, 2);
-            XP_TO_LEVEL_ALTERNATIVE.put(275, 3);
-            XP_TO_LEVEL_ALTERNATIVE.put(435, 4);
-            XP_TO_LEVEL_ALTERNATIVE.put(635, 5);
-            XP_TO_LEVEL_ALTERNATIVE.put(885, 6);
-            XP_TO_LEVEL_ALTERNATIVE.put(1200, 7);
-            XP_TO_LEVEL_ALTERNATIVE.put(1600, 8);
-            XP_TO_LEVEL_ALTERNATIVE.put(2100, 9);
-            XP_TO_LEVEL_ALTERNATIVE.put(2725, 10);
-            XP_TO_LEVEL_ALTERNATIVE.put(3510, 11);
-            XP_TO_LEVEL_ALTERNATIVE.put(4510, 12);
-            XP_TO_LEVEL_ALTERNATIVE.put(5760, 13);
-            XP_TO_LEVEL_ALTERNATIVE.put(7325, 14);
-            XP_TO_LEVEL_ALTERNATIVE.put(9325, 15);
-            XP_TO_LEVEL_ALTERNATIVE.put(11825, 16);
-            XP_TO_LEVEL_ALTERNATIVE.put(14950, 17);
-            XP_TO_LEVEL_ALTERNATIVE.put(18950, 18);
-            XP_TO_LEVEL_ALTERNATIVE.put(23950, 19);
-            XP_TO_LEVEL_ALTERNATIVE.put(30200, 20);
-            XP_TO_LEVEL_ALTERNATIVE.put(38050, 21);
-            XP_TO_LEVEL_ALTERNATIVE.put(47850, 22);
-            XP_TO_LEVEL_ALTERNATIVE.put(60100, 23);
-            XP_TO_LEVEL_ALTERNATIVE.put(75400, 24);
-
-        }
-
-        SkillLevel() {
-            this(false);
-        }
-
-        SkillLevel(boolean alternativeXpFormula) {
-            this.alternativeXpFormula = alternativeXpFormula;
-        }
-
-        public int getLevel(double exp) {
-            if (alternativeXpFormula) {
-                return XP_TO_LEVEL_ALTERNATIVE.floorEntry((int) exp).getValue();
-            } else {
-                return XP_TO_LEVEL.floorEntry((int) exp).getValue();
-            }
-        }
-    }
 }
diff --git a/src/main/java/eu/olli/cowlection/data/XpTables.java b/src/main/java/eu/olli/cowlection/data/XpTables.java
new file mode 100644
index 0000000..85b77a3
--- /dev/null
+++ b/src/main/java/eu/olli/cowlection/data/XpTables.java
@@ -0,0 +1,253 @@
+package eu.olli.cowlection.data;
+
+import java.util.*;
+
+public class XpTables {
+    public enum Skill {
+        FARMING, MINING, COMBAT, FORAGING, FISHING, ENCHANTING, ALCHEMY, CARPENTRY, RUNECRAFTING(true), TAMING;
+        private final boolean alternativeXpFormula;
+        private static final TreeMap<Integer, Integer> XP_TO_LEVEL = new TreeMap<>();
+        private static final TreeMap<Integer, Integer> XP_TO_LEVEL_ALTERNATIVE = new TreeMap<>();
+
+        static {
+            // exp data taken from https://api.hypixel.net/resources/skyblock/skills
+            XP_TO_LEVEL.put(0, 0);
+            XP_TO_LEVEL.put(50, 1);
+            XP_TO_LEVEL.put(175, 2);
+            XP_TO_LEVEL.put(375, 3);
+            XP_TO_LEVEL.put(675, 4);
+            XP_TO_LEVEL.put(1175, 5);
+            XP_TO_LEVEL.put(1925, 6);
+            XP_TO_LEVEL.put(2925, 7);
+            XP_TO_LEVEL.put(4425, 8);
+            XP_TO_LEVEL.put(6425, 9);
+            XP_TO_LEVEL.put(9925, 10);
+            XP_TO_LEVEL.put(14925, 11);
+            XP_TO_LEVEL.put(22425, 12);
+            XP_TO_LEVEL.put(32425, 13);
+            XP_TO_LEVEL.put(47425, 14);
+            XP_TO_LEVEL.put(67425, 15);
+            XP_TO_LEVEL.put(97425, 16);
+            XP_TO_LEVEL.put(147425, 17);
+            XP_TO_LEVEL.put(222425, 18);
+            XP_TO_LEVEL.put(322425, 19);
+            XP_TO_LEVEL.put(522425, 20);
+            XP_TO_LEVEL.put(822425, 21);
+            XP_TO_LEVEL.put(1222425, 22);
+            XP_TO_LEVEL.put(1722425, 23);
+            XP_TO_LEVEL.put(2322425, 24);
+            XP_TO_LEVEL.put(3022425, 25);
+            XP_TO_LEVEL.put(3822425, 26);
+            XP_TO_LEVEL.put(4722425, 27);
+            XP_TO_LEVEL.put(5722425, 28);
+            XP_TO_LEVEL.put(6822425, 29);
+            XP_TO_LEVEL.put(8022425, 30);
+            XP_TO_LEVEL.put(9322425, 31);
+            XP_TO_LEVEL.put(10722425, 32);
+            XP_TO_LEVEL.put(12222425, 33);
+            XP_TO_LEVEL.put(13822425, 34);
+            XP_TO_LEVEL.put(15522425, 35);
+            XP_TO_LEVEL.put(17322425, 36);
+            XP_TO_LEVEL.put(19222425, 37);
+            XP_TO_LEVEL.put(21222425, 38);
+            XP_TO_LEVEL.put(23322425, 39);
+            XP_TO_LEVEL.put(25522425, 40);
+            XP_TO_LEVEL.put(27822425, 41);
+            XP_TO_LEVEL.put(30222425, 42);
+            XP_TO_LEVEL.put(32722425, 43);
+            XP_TO_LEVEL.put(35322425, 44);
+            XP_TO_LEVEL.put(38072425, 45);
+            XP_TO_LEVEL.put(40972425, 46);
+            XP_TO_LEVEL.put(44072425, 47);
+            XP_TO_LEVEL.put(47472425, 48);
+            XP_TO_LEVEL.put(51172425, 49);
+            XP_TO_LEVEL.put(55172425, 50);
+
+            XP_TO_LEVEL_ALTERNATIVE.put(0, 0);
+            XP_TO_LEVEL_ALTERNATIVE.put(50, 1);
+            XP_TO_LEVEL_ALTERNATIVE.put(150, 2);
+            XP_TO_LEVEL_ALTERNATIVE.put(275, 3);
+            XP_TO_LEVEL_ALTERNATIVE.put(435, 4);
+            XP_TO_LEVEL_ALTERNATIVE.put(635, 5);
+            XP_TO_LEVEL_ALTERNATIVE.put(885, 6);
+            XP_TO_LEVEL_ALTERNATIVE.put(1200, 7);
+            XP_TO_LEVEL_ALTERNATIVE.put(1600, 8);
+            XP_TO_LEVEL_ALTERNATIVE.put(2100, 9);
+            XP_TO_LEVEL_ALTERNATIVE.put(2725, 10);
+            XP_TO_LEVEL_ALTERNATIVE.put(3510, 11);
+            XP_TO_LEVEL_ALTERNATIVE.put(4510, 12);
+            XP_TO_LEVEL_ALTERNATIVE.put(5760, 13);
+            XP_TO_LEVEL_ALTERNATIVE.put(7325, 14);
+            XP_TO_LEVEL_ALTERNATIVE.put(9325, 15);
+            XP_TO_LEVEL_ALTERNATIVE.put(11825, 16);
+            XP_TO_LEVEL_ALTERNATIVE.put(14950, 17);
+            XP_TO_LEVEL_ALTERNATIVE.put(18950, 18);
+            XP_TO_LEVEL_ALTERNATIVE.put(23950, 19);
+            XP_TO_LEVEL_ALTERNATIVE.put(30200, 20);
+            XP_TO_LEVEL_ALTERNATIVE.put(38050, 21);
+            XP_TO_LEVEL_ALTERNATIVE.put(47850, 22);
+            XP_TO_LEVEL_ALTERNATIVE.put(60100, 23);
+            XP_TO_LEVEL_ALTERNATIVE.put(75400, 24);
+
+        }
+
+        Skill() {
+            this(false);
+        }
+
+        Skill(boolean alternativeXpFormula) {
+            this.alternativeXpFormula = alternativeXpFormula;
+        }
+
+        public int getLevel(double exp) {
+            if (alternativeXpFormula) {
+                return XP_TO_LEVEL_ALTERNATIVE.floorEntry((int) exp).getValue();
+            } else {
+                return XP_TO_LEVEL.floorEntry((int) exp).getValue();
+            }
+        }
+
+        public static double getSkillAverage(int skillLevelsSum) {
+            return skillLevelsSum / (getSkillCount() * 1d);
+        }
+
+        /**
+         * Amount of skills without cosmetic skills (Carpentry, Runecrafting)
+         *
+         * @return amount of existing skills
+         */
+        private static int getSkillCount() {
+            return values().length - 2;
+        }
+    }
+
+    public enum Slayer {
+        ZOMBIE, SPIDER, WOLF(true);
+        private final boolean alternativeXpFormula;
+        /**
+         * Valid for Zombie + Spider
+         */
+        private static final TreeMap<Integer, Integer> XP_TO_LEVEL = new TreeMap<>();
+        /**
+         * Valid for Wolf
+         */
+        private static final TreeMap<Integer, Integer> XP_TO_LEVEL_ALTERNATIVE = new TreeMap<>();
+
+        static {
+            XP_TO_LEVEL.put(0, 0);
+            XP_TO_LEVEL.put(5, 1);
+            XP_TO_LEVEL.put(15, 2);
+            XP_TO_LEVEL.put(200, 3);
+            XP_TO_LEVEL.put(1000, 4);
+            XP_TO_LEVEL.put(5000, 5);
+            XP_TO_LEVEL.put(20000, 6);
+            XP_TO_LEVEL.put(100000, 7);
+            XP_TO_LEVEL.put(400000, 8);
+            XP_TO_LEVEL.put(1000000, 9);
+
+            XP_TO_LEVEL_ALTERNATIVE.put(0, 0);
+            XP_TO_LEVEL_ALTERNATIVE.put(5, 1);
+            XP_TO_LEVEL_ALTERNATIVE.put(15, 2);
+            XP_TO_LEVEL_ALTERNATIVE.put(200, 3);
+            XP_TO_LEVEL_ALTERNATIVE.put(1500, 4);
+            XP_TO_LEVEL_ALTERNATIVE.put(5000, 5);
+            XP_TO_LEVEL_ALTERNATIVE.put(20000, 6);
+            XP_TO_LEVEL_ALTERNATIVE.put(100000, 7);
+            XP_TO_LEVEL_ALTERNATIVE.put(400000, 8);
+            XP_TO_LEVEL_ALTERNATIVE.put(1000000, 9);
+        }
+
+        Slayer() {
+            this(false);
+        }
+
+        Slayer(boolean alternativeXpFormula) {
+            this.alternativeXpFormula = alternativeXpFormula;
+        }
+
+        public int getLevel(double exp) {
+            if (alternativeXpFormula) {
+                return XP_TO_LEVEL_ALTERNATIVE.floorEntry((int) exp).getValue();
+            } else {
+                return XP_TO_LEVEL.floorEntry((int) exp).getValue();
+            }
+        }
+    }
+
+    public static final class Pet {
+        private static final Map<DataHelper.SkyBlockRarity, TreeSet<Integer>> PET_XP = new HashMap<>();
+
+        private Pet() {
+        }
+
+        static {
+            for (DataHelper.SkyBlockRarity rarity : DataHelper.SkyBlockRarity.getPetRarities()) {
+                PET_XP.put(rarity, new TreeSet<>());
+            }
+            Collections.addAll(PET_XP.get(DataHelper.SkyBlockRarity.COMMON),
+                    0, 100, 210, 330, 460, 605, 765, 940, 1130, 1340, // 1-10
+                    1570, 1820, 2095, 2395, 2725, 3085, 3485, 3925, 4415, 4955, // 11-20
+                    5555, 6215, 6945, 7745, 8625, 9585, 10635, 11785, 13045, 14425, // 21-30
+                    15935, 17585, 19385, 21345, 23475, 25785, 28285, 30985, 33905, 37065, // 31-40
+                    40485, 44185, 48185, 52535, 57285, 62485, 68185, 74485, 81485, 89285, // 41-50
+                    97985, 107685, 118485, 130485, 143785, 158485, 174685, 192485, 211985, 233285, // 51-60
+                    256485, 281685, 309085, 338885, 371285, 406485, 444685, 486085, 530885, 579285, // 61-70
+                    631485, 687685, 748085, 812885, 882285, 956485, 1035685, 1120385, 1211085, 1308285, // 71-80
+                    1412485, 1524185, 1643885, 1772085, 1909285, 2055985, 2212685, 2380385, 2560085, 2752785, // 81-90
+                    2959485, 3181185, 3418885, 3673585, 3946285, 4237985, 4549685, 4883385, 5241085, 5624785); // 91-100
+            Collections.addAll(PET_XP.get(DataHelper.SkyBlockRarity.UNCOMMON),
+                    0, 175, 365, 575, 805, 1055, 1330, 1630, 1960, 2320, // 1-10
+                    2720, 3160, 3650, 4190, 4790, 5450, 6180, 6980, 7860, 8820, // 11-20
+                    9870, 11020, 12280, 13660, 15170, 16820, 18620, 20580, 22710, 25020, // 21-30
+                    27520, 30220, 33140, 36300, 39720, 43420, 47420, 51770, 56520, 61720, // 31-40
+                    67420, 73720, 80720, 88520, 97220, 106920, 117720, 129720, 143020, 157720, // 41-50
+                    173920, 191720, 211220, 232520, 255720, 280920, 308320, 338120, 370520, 405720, // 51-60
+                    443920, 485320, 530120, 578520, 630720, 686920, 747320, 812120, 881520, 955720, // 61-70
+                    1034920, 1119620, 1210320, 1307520, 1411720, 1523420, 1643120, 1771320, 1908520, 2055220, // 71-80
+                    2211920, 2379620, 2559320, 2752020, 2958720, 3180420, 3418120, 3672820, 3945520, 4237220, // 81-90
+                    4548920, 4882620, 5240320, 5624020, 6035720, 6477420, 6954120, 7470820, 8032520, 8644220); // 91-100
+            Collections.addAll(PET_XP.get(DataHelper.SkyBlockRarity.RARE),
+                    0, 275, 575, 905, 1265, 1665, 2105, 2595, 3135, 3735, // 1-10
+                    4395, 5125, 5925, 6805, 7765, 8815, 9965, 11225, 12605, 14115, // 11-20
+                    15765, 17565, 19525, 21655, 23965, 26465, 29165, 32085, 35245, 38665, // 21-30
+                    42365, 46365, 50715, 55465, 60665, 66365, 72665, 79665, 87465, 96165, // 31-40
+                    105865, 116665, 128665, 141965, 156665, 172865, 190665, 210165, 231465, 254665, // 41-50
+                    279865, 307265, 337065, 369465, 404665, 442865, 484265, 529065, 577465, 629665, // 51-60
+                    685865, 746265, 811065, 880465, 954665, 1033865, 1118565, 1209265, 1306465, 1410665, // 61-70
+                    1522365, 1642065, 1770265, 1907465, 2054165, 2210865, 2378565, 2558265, 2750965, 2957665, // 71-80
+                    3179365, 3417065, 3671765, 3944465, 4236165, 4547865, 4881565, 5239265, 5622965, 6034665, // 81-90
+                    6476365, 6953065, 7469765, 8031465, 8643165, 9309865, 10036565, 10828265, 11689965, 12626665); // 91-100
+            Collections.addAll(PET_XP.get(DataHelper.SkyBlockRarity.EPIC),
+                    0, 440, 930, 1470, 2070, 2730, 3460, 4260, 5140, 6100, // 1-10
+                    7150, 8300, 9560, 10940, 12450, 14100, 15900, 17860, 19990, 22300, // 11-20
+                    24800, 27500, 30420, 33580, 37000, 40700, 44700, 49050, 53800, 59000, // 21-30
+                    64700, 71000, 78000, 85800, 94500, 104200, 115000, 127000, 140300, 155000, // 31-40
+                    171200, 189000, 208500, 229800, 253000, 278200, 305600, 335400, 367800, 403000, // 41-50
+                    441200, 482600, 527400, 575800, 628000, 684200, 744600, 809400, 878800, 953000, // 51-60
+                    1032200, 1116900, 1207600, 1304800, 1409000, 1520700, 1640400, 1768600, 1905800, 2052500, // 61-70
+                    2209200, 2376900, 2556600, 2749300, 2956000, 3177700, 3415400, 3670100, 3942800, 4234500, // 71-80
+                    4546200, 4879900, 5237600, 5621300, 6033000, 6474700, 6951400, 7468100, 8029800, 8641500, // 81-90
+                    9308200, 10034900, 10826600, 11688300, 12625000, 13641700, 14743400, 15935100, 17221800, 18608500); // 91-100
+            Collections.addAll(PET_XP.get(DataHelper.SkyBlockRarity.LEGENDARY),
+                    0, 660, 1390, 2190, 3070, 4030, 5080, 6230, 7490, 8870, // 1-10
+                    10380, 12030, 13830, 15790, 17920, 20230, 22730, 25430, 28350, 31510, // 11-20
+                    34930, 38630, 42630, 46980, 51730, 56930, 62630, 68930, 75930, 83730, // 21-30
+                    92430, 102130, 112930, 124930, 138230, 152930, 169130, 186930, 206430, 227730, // 31-40
+                    250930, 276130, 303530, 333330, 365730, 400930, 439130, 480530, 525330, 573730, // 41-50
+                    625930, 682130, 742530, 807330, 876730, 950930, 1030130, 1114830, 1205530, 1302730, // 51-60
+                    1406930, 1518630, 1638330, 1766530, 1903730, 2050430, 2207130, 2374830, 2554530, 2747230, // 61-70
+                    2953930, 3175630, 3413330, 3668030, 3940730, 4232430, 4544130, 4877830, 5235530, 5619230, // 71-80
+                    6030930, 6472630, 6949330, 7466030, 8027730, 8639430, 9306130, 10032830, 10824530, 11686230, // 81-90
+                    12622930, 13639630, 14741330, 15933030, 17219730, 18606430, 20103130, 21719830, 23466530, 25353230); // 91-100
+        }
+
+        public static int getLevel(String rarity, double exp) {
+            TreeSet<Integer> xpToLevels = PET_XP.get(DataHelper.SkyBlockRarity.valueOf(rarity));
+            if (xpToLevels != null) {
+                return xpToLevels.headSet((int) exp, true).size();
+            } else {
+                return -1;
+            }
+        }
+    }
+}
diff --git a/src/main/java/eu/olli/cowlection/listener/PlayerListener.java b/src/main/java/eu/olli/cowlection/listener/PlayerListener.java
index aa91678..36e13cb 100644
--- a/src/main/java/eu/olli/cowlection/listener/PlayerListener.java
+++ b/src/main/java/eu/olli/cowlection/listener/PlayerListener.java
@@ -73,6 +73,7 @@ public class PlayerListener {
         main.getVersionChecker().runUpdateCheck(false);
         new TickDelay(() -> main.getChatHelper().sendOfflineMessages(), 6 * 20);
         isOnSkyBlock = false;
+        main.getLogger().info("Joined the server");
     }
 
     @SubscribeEvent
@@ -113,6 +114,7 @@ public class PlayerListener {
         if (skyBlockListener != null) {
             MinecraftForge.EVENT_BUS.unregister(skyBlockListener);
             skyBlockListener = null;
+            main.getLogger().info("Left SkyBlock");
         }
     }
 
@@ -121,5 +123,6 @@ public class PlayerListener {
         main.getFriendsHandler().saveBestFriends();
         main.getPlayerCache().clearAllCaches();
         unregisterSkyBlockListeners();
+        main.getLogger().info("Left the server");
     }
 }
diff --git a/src/main/java/eu/olli/cowlection/listener/skyblock/DungeonsListener.java b/src/main/java/eu/olli/cowlection/listener/skyblock/DungeonsListener.java
index c10360b..a05bda2 100644
--- a/src/main/java/eu/olli/cowlection/listener/skyblock/DungeonsListener.java
+++ b/src/main/java/eu/olli/cowlection/listener/skyblock/DungeonsListener.java
@@ -271,7 +271,7 @@ public class DungeonsListener {
                 int guiTop = (guiChest.height - ySize) / 2;
                 GlStateManager.pushMatrix();
 
-                GlStateManager.translate(0, 0, 1);
+                GlStateManager.translate(0, 0, 280);
                 float scaleFactor = 0.8f;
                 GlStateManager.scale(scaleFactor, scaleFactor, 0);
                 for (Slot inventorySlot : inventorySlots.inventorySlots) {
diff --git a/src/main/java/eu/olli/cowlection/util/ApiUtils.java b/src/main/java/eu/olli/cowlection/util/ApiUtils.java
index f4f23ff..04a67cd 100644
--- a/src/main/java/eu/olli/cowlection/util/ApiUtils.java
+++ b/src/main/java/eu/olli/cowlection/util/ApiUtils.java
@@ -2,14 +2,15 @@ package eu.olli.cowlection.util;
 
 import com.google.gson.JsonArray;
 import com.google.gson.JsonParser;
+import com.google.gson.JsonSyntaxException;
 import com.mojang.util.UUIDTypeAdapter;
 import eu.olli.cowlection.Cowlection;
 import eu.olli.cowlection.command.exception.ThrowingConsumer;
 import eu.olli.cowlection.config.MooConfig;
 import eu.olli.cowlection.data.Friend;
+import eu.olli.cowlection.data.HyPlayerData;
 import eu.olli.cowlection.data.HySkyBlockStats;
 import eu.olli.cowlection.data.HyStalkingData;
-import eu.olli.cowlection.data.HyPlayerData;
 import org.apache.http.HttpStatus;
 
 import java.io.BufferedReader;
@@ -44,7 +45,7 @@ public class ApiUtils {
             } else {
                 return GsonUtils.fromJson(reader, Friend.class);
             }
-        } catch (IOException e) {
+        } catch (IOException | JsonSyntaxException e) {
             e.printStackTrace();
         }
         return null;
@@ -64,7 +65,7 @@ public class ApiUtils {
                     return nameHistoryData.get(nameHistoryData.size() - 1).getAsJsonObject().get("name").getAsString();
                 }
             }
-        } catch (IOException e) {
+        } catch (IOException | JsonSyntaxException e) {
             e.printStackTrace();
         }
         return null;
@@ -79,7 +80,7 @@ public class ApiUtils {
             if (reader != null) {
                 return GsonUtils.fromJson(reader, HyStalkingData.class);
             }
-        } catch (IOException e) {
+        } catch (IOException | JsonSyntaxException e) {
             e.printStackTrace();
         }
         return null;
@@ -94,7 +95,7 @@ public class ApiUtils {
             if (reader != null) {
                 return GsonUtils.fromJson(reader, HySkyBlockStats.class);
             }
-        } catch (IOException e) {
+        } catch (IOException | JsonSyntaxException e) {
             e.printStackTrace();
         }
         return null;
@@ -109,7 +110,7 @@ public class ApiUtils {
             if (reader != null) {
                 return GsonUtils.fromJson(reader, HyPlayerData.class);
             }
-        } catch (IOException e) {
+        } catch (IOException | JsonSyntaxException e) {
             e.printStackTrace();
         }
         return null;
@@ -118,7 +119,7 @@ public class ApiUtils {
     private static BufferedReader makeApiCall(String url) throws IOException {
         HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
         connection.setConnectTimeout(5000);
-        connection.setReadTimeout(5000);
+        connection.setReadTimeout(10000);
         connection.addRequestProperty("User-Agent", "Forge Mod " + Cowlection.MODNAME + "/" + Cowlection.VERSION + " (" + Cowlection.GITURL + ")");
 
         connection.getResponseCode();
diff --git a/src/main/java/eu/olli/cowlection/util/Utils.java b/src/main/java/eu/olli/cowlection/util/Utils.java
index 92f4c9e..629a3dd 100644
--- a/src/main/java/eu/olli/cowlection/util/Utils.java
+++ b/src/main/java/eu/olli/cowlection/util/Utils.java
@@ -174,6 +174,9 @@ public final class Utils {
      * @see <a href="https://stackoverflow.com/a/48357180">Source</a>
      */
     public static String convertArabicToRoman(int number) {
+        if (number == 0) {
+            return "0";
+        }
         String romanOnes = arabicToRomanChars(number % 10, "I", "V", "X");
         number /= 10;