Added /moo stalkskyblock <playerName>

- Now using CommandExceptions instead of just red chat color for command error messages
- Simplified creation of chat message

15 files changed, 759 insertions, 43 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 395a921..79260f4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,13 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## [1.8.9-0.6.0] - unreleased
+### Added
+- List SkyBlock info of a player `/moo stalkskyblock <playerName>`
+
+### Changed
+- Improved handling of command error messages
+
 ## [1.8.9-0.5.0] - 04.05.2020
 ### Added
 - Added Tab-completable usernames for several commands (e.g. party, msg, boop, ...)
@@ -65,7 +72,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 *Note:* The 'best friends' list is currently available via <kbd>ESC</kbd> > Mod Options > Cowmoonication > Config > bestFriends.
 
-<!-- [1.8.9-0.6.0]: https://github.com/cow-mc/Cowmoonication/compare/v1.8.9-0.5.0...master -->
+[1.8.9-0.6.0]: https://github.com/cow-mc/Cowmoonication/compare/v1.8.9-0.5.0...master
 [1.8.9-0.5.0]: https://github.com/cow-mc/Cowmoonication/compare/v1.8.9-0.4.0...v1.8.9-0.5.0
 [1.8.9-0.4.0]: https://github.com/cow-mc/Cowmoonication/compare/v1.8.9-0.3.1...v1.8.9-0.4.0
 [1.8.9-0.3.1]: https://github.com/cow-mc/Cowmoonication/compare/v1.8.9-0.3.0...v1.8.9-0.3.1
diff --git a/README.md b/README.md
index 7079943..9954d89 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ A client-side only Forge mod by [Cow](https://namemc.com/profile/Cow) providing
 |-------------------------------------------------------------------------|-----------------------------------------|
 | 'Best friends' list to limit the amount of join and leave notifications (always up-to-date names even after player name changes) | `/moo add/remove/list`                  |
 | Stalk a player (check online status, current game, ...)                 | `/moo stalk`                            |
+| Stalk SkyBlock stats of a player                                        | `/moo stalkskyblock`       |
 | Toggle join/leave notifications for friends, guild members or best friends separately | `/moo toggle`             |
 | Copy chat component                                                     | <kbd>ALT</kbd> + <kbd>right click</kbd><br>Hold <kbd>shift</kbd> to copy full component |
 | Tab-completable usernames for several commands (e.g. `/party`, `/invite`, ...) | `/moo config` &rarr; `Commands with Tab-completable usernames` for full list of commands |
diff --git a/src/main/java/eu/olli/cowmoonication/Cowmoonication.java b/src/main/java/eu/olli/cowmoonication/Cowmoonication.java
index ae61781..2460058 100644
--- a/src/main/java/eu/olli/cowmoonication/Cowmoonication.java
+++ b/src/main/java/eu/olli/cowmoonication/Cowmoonication.java
@@ -5,10 +5,10 @@ import eu.olli.cowmoonication.command.ShrugCommand;
 import eu.olli.cowmoonication.command.TabCompletableCommand;
 import eu.olli.cowmoonication.config.MooConfig;
 import eu.olli.cowmoonication.handler.FriendsHandler;
+import eu.olli.cowmoonication.handler.PlayerCache;
 import eu.olli.cowmoonication.listener.ChatListener;
 import eu.olli.cowmoonication.listener.PlayerListener;
 import eu.olli.cowmoonication.util.ChatHelper;
-import eu.olli.cowmoonication.handler.PlayerCache;
 import eu.olli.cowmoonication.util.VersionChecker;
 import net.minecraftforge.client.ClientCommandHandler;
 import net.minecraftforge.common.MinecraftForge;
@@ -31,6 +31,7 @@ public class Cowmoonication {
     public static final String VERSION = "@VERSION@";
     public static final String MODNAME = "@MODNAME@";
     public static final String GITURL = "@GITURL@";
+    private static Cowmoonication instance;
     private File modsDir;
     private MooConfig config;
     private FriendsHandler friendsHandler;
@@ -41,6 +42,7 @@ public class Cowmoonication {
 
     @Mod.EventHandler
     public void preInit(FMLPreInitializationEvent e) {
+        instance = this;
         logger = e.getModLog();
 
         File modDir = new File(e.getModConfigurationDirectory(), MODID + File.separatorChar);
@@ -99,4 +101,11 @@ public class Cowmoonication {
     public Logger getLogger() {
         return logger;
     }
+
+    /**
+     * Get mod's instance; instead of this method use dependency injection where possible
+     */
+    public static Cowmoonication getInstance() {
+        return instance;
+    }
 }
diff --git a/src/main/java/eu/olli/cowmoonication/command/MooCommand.java b/src/main/java/eu/olli/cowmoonication/command/MooCommand.java
index 8800ff2..4ad4e2c 100644
--- a/src/main/java/eu/olli/cowmoonication/command/MooCommand.java
+++ b/src/main/java/eu/olli/cowmoonication/command/MooCommand.java
@@ -2,17 +2,20 @@ package eu.olli.cowmoonication.command;
 
 import com.mojang.realmsclient.util.Pair;
 import eu.olli.cowmoonication.Cowmoonication;
+import eu.olli.cowmoonication.command.exception.ApiContactException;
+import eu.olli.cowmoonication.command.exception.InvalidPlayerNameException;
+import eu.olli.cowmoonication.command.exception.MooCommandException;
 import eu.olli.cowmoonication.config.MooConfig;
 import eu.olli.cowmoonication.config.MooGuiConfig;
 import eu.olli.cowmoonication.data.Friend;
-import eu.olli.cowmoonication.util.ApiUtils;
+import eu.olli.cowmoonication.data.HySkyBlockStats;
 import eu.olli.cowmoonication.data.HyStalkingData;
+import eu.olli.cowmoonication.util.ApiUtils;
+import eu.olli.cowmoonication.util.MooChatComponent;
 import eu.olli.cowmoonication.util.TickDelay;
 import eu.olli.cowmoonication.util.Utils;
 import net.minecraft.client.Minecraft;
-import net.minecraft.command.CommandBase;
-import net.minecraft.command.CommandException;
-import net.minecraft.command.ICommandSender;
+import net.minecraft.command.*;
 import net.minecraft.event.ClickEvent;
 import net.minecraft.event.HoverEvent;
 import net.minecraft.util.*;
@@ -20,6 +23,7 @@ import net.minecraft.util.*;
 import java.awt.*;
 import java.io.IOException;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
 
@@ -39,12 +43,20 @@ public class MooCommand extends CommandBase {
         // sub commands: friends
         if (args[0].equalsIgnoreCase("stalk")) {
             if (args.length != 2) {
-                main.getChatHelper().sendMessage(EnumChatFormatting.RED, "Usage: /" + getCommandName() + " stalk <playerName>");
+                throw new WrongUsageException("/" + getCommandName() + " stalk <playerName>");
             } else if (!Utils.isValidMcName(args[1])) {
-                main.getChatHelper().sendMessage(EnumChatFormatting.RED, "\"" + args[1] + "\" is not a valid player name.");
+                throw new InvalidPlayerNameException(args[1]);
             } else {
                 handleStalking(args[1]);
             }
+        } else if (args[0].equalsIgnoreCase("stalksb") || args[0].equalsIgnoreCase("stalkskyblock") || args[0].equalsIgnoreCase("skyblockstalk")) {
+            if (args.length != 2) {
+                throw new WrongUsageException("/" + getCommandName() + " stalkskyblock <playerName>");
+            } else if (!Utils.isValidMcName(args[1])) {
+                throw new InvalidPlayerNameException(args[1]);
+            } else {
+                handleStalkingSkyBlock(args[1]);
+            }
         } else if (args.length == 2 && args[0].equalsIgnoreCase("add")) {
             handleBestFriendAdd(args[1]);
         } else if (args.length == 2 && args[0].equalsIgnoreCase("remove")) {
@@ -84,7 +96,7 @@ public class MooCommand extends CommandBase {
                 String waitingTime = String.format("%02d:%02d",
                         TimeUnit.MILLISECONDS.toMinutes(nextUpdate),
                         TimeUnit.MILLISECONDS.toSeconds(nextUpdate) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(nextUpdate)));
-                main.getChatHelper().sendMessage(EnumChatFormatting.RED, "\u26A0 Update checker is on cooldown. Please wait " + EnumChatFormatting.GOLD + EnumChatFormatting.BOLD + waitingTime + EnumChatFormatting.RESET + EnumChatFormatting.RED + " more minutes before checking again.");
+                throw new MooCommandException("\u26A0 Update checker is on cooldown. Please wait " + EnumChatFormatting.GOLD + EnumChatFormatting.BOLD + waitingTime + EnumChatFormatting.RESET + EnumChatFormatting.RED + " more minutes before checking again.");
             }
         } else if (args[0].equalsIgnoreCase("updateHelp")) {
             main.getChatHelper().sendMessage(new ChatComponentText("\u279C Update instructions:").setChatStyle(new ChatStyle().setColor(EnumChatFormatting.GOLD).setBold(true))
@@ -104,8 +116,8 @@ public class MooCommand extends CommandBase {
             try {
                 Desktop.getDesktop().open(main.getModsFolder());
             } catch (IOException e) {
-                main.getChatHelper().sendMessage(EnumChatFormatting.RED, "\u2716 An error occurred trying to open the mod's folder. I guess you have to open it manually \u00af\\_(\u30c4)_/\u00af");
                 e.printStackTrace();
+                throw new MooCommandException("\u2716 An error occurred trying to open the mod's folder. I guess you have to open it manually \u00af\\_(\u30c4)_/\u00af");
             }
         }
         // "catch-all" remaining sub-commands
@@ -114,7 +126,7 @@ public class MooCommand extends CommandBase {
         }
     }
 
-    private void handleApiKey(String[] args) {
+    private void handleApiKey(String[] args) throws CommandException {
         if (args.length == 1) {
             String firstSentence;
             EnumChatFormatting color;
@@ -136,15 +148,14 @@ public class MooCommand extends CommandBase {
                 main.getConfig().syncFromFields();
                 main.getChatHelper().sendMessage(EnumChatFormatting.GREEN, "Updated API key!");
             } else {
-                main.getChatHelper().sendMessage(EnumChatFormatting.RED, "That doesn't look like a valid API key...");
+                throw new SyntaxErrorException("That doesn't look like a valid API key...");
             }
         }
     }
 
-    private void handleStalking(String playerName) {
+    private void handleStalking(String playerName) throws CommandException {
         if (!Utils.isValidUuid(MooConfig.moo)) {
-            main.getChatHelper().sendMessage(EnumChatFormatting.RED, "You haven't set your Hypixel API key yet. Use " + EnumChatFormatting.DARK_RED + "/api new" + EnumChatFormatting.RED + " to request a new API key from Hypixel or use " + EnumChatFormatting.DARK_RED + "/" + this.getCommandName() + " apikey <key>" + EnumChatFormatting.RED + " to manually set your existing API key.");
-            return;
+            throw new MooCommandException("You haven't set your Hypixel API key yet. Use " + EnumChatFormatting.DARK_RED + "/api new" + EnumChatFormatting.RED + " to request a new API key from Hypixel or use " + EnumChatFormatting.DARK_RED + "/" + this.getCommandName() + " apikey <key>" + EnumChatFormatting.RED + " to manually set your existing API key.");
         }
         main.getChatHelper().sendMessage(EnumChatFormatting.GRAY, "Stalking " + EnumChatFormatting.WHITE + playerName + EnumChatFormatting.GRAY + ". This may take a few seconds.");
         boolean isBestFriend = main.getFriendsHandler().isBestFriend(playerName, true);
@@ -156,9 +167,9 @@ public class MooCommand extends CommandBase {
             // fetch player uuid
             ApiUtils.fetchFriendData(playerName, stalkedPlayer -> {
                 if (stalkedPlayer == null) {
-                    main.getChatHelper().sendMessage(EnumChatFormatting.RED, "Sorry, could contact Mojang's API and thus couldn't stalk " + EnumChatFormatting.DARK_RED + playerName);
+                    throw new ApiContactException("Mojang", "couldn't stalk " + EnumChatFormatting.DARK_RED + playerName);
                 } else if (stalkedPlayer.equals(Friend.FRIEND_NOT_FOUND)) {
-                    main.getChatHelper().sendMessage(EnumChatFormatting.RED, "There is no player with the name " + EnumChatFormatting.DARK_RED + playerName + EnumChatFormatting.RED + ".");
+                    throw new PlayerNotFoundException("There is no player with the name " + EnumChatFormatting.DARK_RED + playerName + EnumChatFormatting.RED + ".");
                 } else {
                     // ... then stalk the player
                     stalkPlayer(stalkedPlayer);
@@ -178,11 +189,16 @@ public class MooCommand extends CommandBase {
                 } else {
                     ApiUtils.fetchPlayerOfflineStatus(stalkedPlayer, slothStalking -> {
                         if (slothStalking == null) {
-                            main.getChatHelper().sendMessage(EnumChatFormatting.RED, "Something went wrong contacting the Slothpixel API. Couldn't stalk " + EnumChatFormatting.DARK_RED + stalkedPlayer.getName() + EnumChatFormatting.RED + " but they appear to be offline currently.");
+                            throw new ApiContactException("Slothpixel", "couldn't stalk " + EnumChatFormatting.DARK_RED + stalkedPlayer.getName() + EnumChatFormatting.RED + " but they appear to be offline currently.");
                         } else if (slothStalking.hasNeverJoinedHypixel()) {
                             main.getChatHelper().sendMessage(EnumChatFormatting.YELLOW, EnumChatFormatting.GOLD + stalkedPlayer.getName() + EnumChatFormatting.YELLOW + " has " + EnumChatFormatting.GOLD + "never " + EnumChatFormatting.YELLOW + "been on Hypixel (or might be nicked).");
                         } else if (slothStalking.isHidingOnlineStatus()) {
-                            main.getChatHelper().sendMessage(EnumChatFormatting.YELLOW, slothStalking.getPlayerNameFormatted() + EnumChatFormatting.YELLOW + " is hiding their online status.");
+                            main.getChatHelper().sendMessage(new ChatComponentText(slothStalking.getPlayerNameFormatted()).appendSibling(new ChatComponentText(" is hiding their online status from the Hypixel API. You can see their online status with ").setChatStyle(new ChatStyle().setColor(EnumChatFormatting.YELLOW)))
+                                    .appendSibling(new ChatComponentText("/profile " + slothStalking.getPlayerName()).setChatStyle(new ChatStyle()
+                                            .setColor(EnumChatFormatting.GOLD)
+                                            .setChatClickEvent(new ClickEvent(ClickEvent.Action.RUN_COMMAND, "/profile " + slothStalking.getPlayerName()))
+                                            .setChatHoverEvent(new HoverEvent(HoverEvent.Action.SHOW_TEXT, new ChatComponentText(EnumChatFormatting.YELLOW + "Run " + EnumChatFormatting.GOLD + "/profile " + slothStalking.getPlayerName())))))
+                                    .appendSibling(new ChatComponentText(" while you're in a lobby (tooltip of the player head on the top left).").setChatStyle(new ChatStyle().setColor(EnumChatFormatting.YELLOW))));
                         } else if (slothStalking.hasNeverLoggedOut()) {
                             Pair<String, String> lastOnline = Utils.getLastOnlineWords(slothStalking.getLastLogin());
 
@@ -202,20 +218,118 @@ public class MooCommand extends CommandBase {
                 }
             } else {
                 String cause = (hyStalking != null) ? hyStalking.getCause() : null;
-                main.getChatHelper().sendMessage(EnumChatFormatting.RED, "Something went wrong contacting the Hypixel API. Couldn't stalk " + EnumChatFormatting.DARK_RED + stalkedPlayer.getName() + EnumChatFormatting.RED + (cause != null ? " (Reason: " + EnumChatFormatting.DARK_RED + cause + EnumChatFormatting.RED + ")" : "") + ".");
+                throw new ApiContactException("Hypixel", "couldn't stalk " + EnumChatFormatting.DARK_RED + stalkedPlayer.getName() + EnumChatFormatting.RED + (cause != null ? " (Reason: " + EnumChatFormatting.DARK_RED + cause + EnumChatFormatting.RED + ")" : "") + ".");
             }
         });
     }
 
-    private void handleBestFriendAdd(String username) {
+    private void handleStalkingSkyBlock(String playerName) throws CommandException {
+        if (!Utils.isValidUuid(MooConfig.moo)) {
+            throw new MooCommandException("You haven't set your Hypixel API key yet. Use " + EnumChatFormatting.DARK_RED + "/api new" + EnumChatFormatting.RED + " to request a new API key from Hypixel or use " + EnumChatFormatting.DARK_RED + "/" + this.getCommandName() + " apikey <key>" + EnumChatFormatting.RED + " to manually set your existing API key.");
+        }
+        main.getChatHelper().sendMessage(EnumChatFormatting.GRAY, "Stalking " + EnumChatFormatting.WHITE + playerName + EnumChatFormatting.GRAY + "'s SkyBlock stats. This may take a few seconds.");
+        boolean isBestFriend = main.getFriendsHandler().isBestFriend(playerName, true);
+        if (isBestFriend) {
+            Friend stalkedPlayer = main.getFriendsHandler().getBestFriend(playerName);
+            // we have the uuid already, so stalk the player
+            stalkSkyBlockStats(stalkedPlayer);
+        } else {
+            // fetch player uuid
+            ApiUtils.fetchFriendData(playerName, stalkedPlayer -> {
+                if (stalkedPlayer == null) {
+                    throw new ApiContactException("Mojang", "couldn't stalk " + EnumChatFormatting.DARK_RED + playerName);
+                } else if (stalkedPlayer.equals(Friend.FRIEND_NOT_FOUND)) {
+                    throw new PlayerNotFoundException("There is no player with the name " + EnumChatFormatting.DARK_RED + playerName + EnumChatFormatting.RED + ".");
+                } else {
+                    // ... then stalk the player
+                    stalkSkyBlockStats(stalkedPlayer);
+                }
+            });
+        }
+    }
+
+    private void stalkSkyBlockStats(Friend stalkedPlayer) {
+        ApiUtils.fetchSkyBlockStats(stalkedPlayer, hySBStalking -> {
+            if (hySBStalking != null && hySBStalking.isSuccess()) {
+                HySkyBlockStats.Profile activeProfile = hySBStalking.getActiveProfile(stalkedPlayer.getUuid());
+
+                if (activeProfile == null) {
+                    throw new MooCommandException("Looks like " + EnumChatFormatting.DARK_RED + stalkedPlayer.getName() + EnumChatFormatting.RED + " hasn't played SkyBlock yet.");
+                }
+
+                String highestSkill = null;
+                int highestLevel = -1;
+
+                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()) {
+                    String skill = Utils.fancyCase(entry.getKey().name());
+                    int level = entry.getKey().getLevel(entry.getValue());
+                    if (level > 0) {
+                        skillLevels.appendFreshSibling(new MooChatComponent.KeyValueTooltipComponent(skill, String.valueOf(level)));
+                    }
+
+                    if (level > highestLevel) {
+                        highestSkill = skill;
+                        highestLevel = level;
+                    }
+                }
+
+                // output inspired by /profiles hover
+                String coinsBankAndPurse = (activeProfile.getCoinBank() >= 0) ? Utils.formatNumberWithAbbreviations(activeProfile.getCoinBank() + member.getCoinPurse()) : "API access disabled";
+                Pair<String, String> fancyFirstJoined = member.getFancyFirstJoined();
+
+                MooChatComponent wealthHover = new MooChatComponent("Accessible coins:").gold()
+                        .appendFreshSibling(new MooChatComponent.KeyValueTooltipComponent("Purse", Utils.formatNumberWithAbbreviations(member.getCoinPurse())))
+                        .appendFreshSibling(new MooChatComponent.KeyValueTooltipComponent("Bank", (activeProfile.getCoinBank() != -1) ? Utils.formatNumberWithAbbreviations(activeProfile.getCoinBank()) : "API access disabled"));
+                if (activeProfile.coopCount() > 0) {
+                    wealthHover.appendFreshSibling(new ChatComponentText(" "));
+                    wealthHover.appendFreshSibling(new MooChatComponent.KeyValueTooltipComponent("Co-op members", String.valueOf(activeProfile.coopCount())));
+                    wealthHover.appendFreshSibling(new MooChatComponent.KeyValueTooltipComponent("Co-ops' purses sum", Utils.formatNumberWithAbbreviations(activeProfile.getCoopCoinPurses(stalkedPlayer.getUuid()))));
+                }
+
+                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));
+                if (highestSkill != null) {
+                    if (highestLevel == 0) {
+                        sbStats.appendFreshSibling(new MooChatComponent.KeyValueChatComponent("Highest Skill", "All skills level 0"));
+                    } else {
+                        sbStats.appendFreshSibling(new MooChatComponent.KeyValueChatComponent("Highest Skill", highestSkill + " " + highestLevel).setHover(skillLevels));
+                    }
+                } else {
+                    sbStats.appendFreshSibling(new MooChatComponent.KeyValueChatComponent("Highest Skill", "API access disabled"));
+                }
+
+                Pair<Integer, Integer> uniqueMinionsData = activeProfile.getUniqueMinions();
+                String uniqueMinions = String.valueOf(uniqueMinionsData.first());
+                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)";
+                }
+
+                sbStats.appendFreshSibling(new MooChatComponent.KeyValueChatComponent("Unique Minions", uniqueMinions));
+                sbStats.appendFreshSibling(new MooChatComponent.KeyValueChatComponent("Fairy Souls", (member.getFairySoulsCollected() >= 0) ? String.valueOf(member.getFairySoulsCollected()) : "API access disabled"));
+                sbStats.appendFreshSibling(new MooChatComponent.KeyValueChatComponent("Profile age", fancyFirstJoined.first()).setHover(new MooChatComponent.KeyValueTooltipComponent("Join date", fancyFirstJoined.second())));
+
+                main.getChatHelper().sendMessage(sbStats);
+            } else {
+                String cause = (hySBStalking != null) ? hySBStalking.getCause() : null;
+                throw new ApiContactException("Hypixel", "couldn't stalk " + EnumChatFormatting.DARK_RED + stalkedPlayer.getName() + EnumChatFormatting.RED + (cause != null ? " (Reason: " + EnumChatFormatting.DARK_RED + cause + EnumChatFormatting.RED + ")" : "") + ".");
+            }
+        });
+    }
+
+    private void handleBestFriendAdd(String username) throws CommandException {
         if (!Utils.isValidMcName(username)) {
-            main.getChatHelper().sendMessage(EnumChatFormatting.RED, EnumChatFormatting.DARK_RED + username + EnumChatFormatting.RED + "? This... doesn't look like a valid username.");
-            return;
+            throw new InvalidPlayerNameException(username);
         }
 
         // TODO Add check if 'best friend' is on normal friend list
         if (main.getFriendsHandler().isBestFriend(username, true)) {
-            main.getChatHelper().sendMessage(EnumChatFormatting.RED, EnumChatFormatting.DARK_RED + username + EnumChatFormatting.RED + " is a best friend already.");
+            throw new MooCommandException(EnumChatFormatting.DARK_RED + username + EnumChatFormatting.RED + " is a best friend already.");
         } else {
             main.getChatHelper().sendMessage(EnumChatFormatting.GOLD, "Fetching " + EnumChatFormatting.YELLOW + username + EnumChatFormatting.GOLD + "'s unique user id. This may take a few seconds...");
             // add friend async
@@ -223,17 +337,16 @@ public class MooCommand extends CommandBase {
         }
     }
 
-    private void handleBestFriendRemove(String username) {
+    private void handleBestFriendRemove(String username) throws CommandException {
         if (!Utils.isValidMcName(username)) {
-            main.getChatHelper().sendMessage(EnumChatFormatting.RED, EnumChatFormatting.DARK_RED + username + EnumChatFormatting.RED + "? This... doesn't look like a valid username.");
-            return;
+            throw new InvalidPlayerNameException(username);
         }
 
         boolean removed = main.getFriendsHandler().removeBestFriend(username);
         if (removed) {
             main.getChatHelper().sendMessage(EnumChatFormatting.GREEN, "Removed " + EnumChatFormatting.DARK_GREEN + username + EnumChatFormatting.GREEN + " from best friends list.");
         } else {
-            main.getChatHelper().sendMessage(EnumChatFormatting.RED, EnumChatFormatting.DARK_RED + username + EnumChatFormatting.RED + " isn't a best friend.");
+            throw new MooCommandException(EnumChatFormatting.DARK_RED + username + EnumChatFormatting.RED + " isn't a best friend.");
         }
     }
 
@@ -255,9 +368,10 @@ public class MooCommand extends CommandBase {
     }
 
     private void sendCommandUsage(ICommandSender sender) {
-        IChatComponent usage = new ChatComponentText("\u279C " + Cowmoonication.MODNAME + " commands:").setChatStyle(new ChatStyle().setColor(EnumChatFormatting.GOLD).setBold(true))
+        IChatComponent usage = new MooChatComponent("\u279C " + Cowmoonication.MODNAME + " commands:").gold().bold()
                 .appendSibling(createCmdHelpSection(1, "Friends"))
                 .appendSibling(createCmdHelpEntry("stalk", "Get info of player's status"))
+                .appendSibling(createCmdHelpEntry("stalkskyblock", "Get info of player's SkyBlock stats"))
                 .appendSibling(createCmdHelpEntry("add", "Add best friends"))
                 .appendSibling(createCmdHelpEntry("remove", "Remove best friends"))
                 .appendSibling(createCmdHelpEntry("list", "View list of best friends"))
@@ -282,11 +396,8 @@ public class MooCommand extends CommandBase {
 
     private IChatComponent createCmdHelpEntry(String cmd, String usage) {
         String command = "/" + this.getCommandName() + " " + cmd;
-        ChatStyle clickableMsg = new ChatStyle()
-                .setChatHoverEvent(new HoverEvent(HoverEvent.Action.SHOW_TEXT, new ChatComponentText(EnumChatFormatting.YELLOW + "Run " + EnumChatFormatting.GOLD + command)))
-                .setChatClickEvent(new ClickEvent(ClickEvent.Action.SUGGEST_COMMAND, command));
-        return new ChatComponentText("\n").appendSibling(new ChatComponentText(command).setChatStyle(clickableMsg.createDeepCopy().setColor(EnumChatFormatting.GOLD)))
-                .appendSibling(new ChatComponentText(" \u27A1 " + usage).setChatStyle(clickableMsg.createDeepCopy().setColor(EnumChatFormatting.YELLOW)));
+
+        return new MooChatComponent("\n").reset().appendSibling(new MooChatComponent.KeyValueChatComponent(command, usage, " \u27A1 ").setSuggestCommand(command));
     }
 
     @Override
@@ -298,7 +409,7 @@ public class MooCommand extends CommandBase {
     public List<String> addTabCompletionOptions(ICommandSender sender, String[] args, BlockPos pos) {
         if (args.length == 1) {
             return getListOfStringsMatchingLastWord(args,
-                    /* friends */  "stalk", "add", "remove", "list", "nameChangeCheck", "toggle",
+                    /* friends */  "stalk", "stalkskyblock", "skyblockstalk", "add", "remove", "list", "nameChangeCheck", "toggle",
                     /* miscellaneous */ "config", "guiscale", "shrug", "apikey",
                     /* update mod */ "update", "updateHelp", "version", "folder",
                     /* help */ "help");
diff --git a/src/main/java/eu/olli/cowmoonication/command/exception/ApiContactException.java b/src/main/java/eu/olli/cowmoonication/command/exception/ApiContactException.java
new file mode 100644
index 0000000..9dd8d9e
--- /dev/null
+++ b/src/main/java/eu/olli/cowmoonication/command/exception/ApiContactException.java
@@ -0,0 +1,7 @@
+package eu.olli.cowmoonication.command.exception;
+
+public class ApiContactException extends MooCommandException {
+    public ApiContactException(String api, String failedAction) {
+        super("Sorry, couldn't contact the " + api + " API and thus " + failedAction);
+    }
+}
diff --git a/src/main/java/eu/olli/cowmoonication/command/exception/InvalidPlayerNameException.java b/src/main/java/eu/olli/cowmoonication/command/exception/InvalidPlayerNameException.java
new file mode 100644
index 0000000..7afdeaa
--- /dev/null
+++ b/src/main/java/eu/olli/cowmoonication/command/exception/InvalidPlayerNameException.java
@@ -0,0 +1,10 @@
+package eu.olli.cowmoonication.command.exception;
+
+import net.minecraft.command.SyntaxErrorException;
+import net.minecraft.util.EnumChatFormatting;
+
+public class InvalidPlayerNameException extends SyntaxErrorException {
+    public InvalidPlayerNameException(String playerName) {
+        super(EnumChatFormatting.DARK_RED + playerName + EnumChatFormatting.RED + "? This... doesn't look like a valid username.");
+    }
+}
diff --git a/src/main/java/eu/olli/cowmoonication/command/exception/MooCommandException.java b/src/main/java/eu/olli/cowmoonication/command/exception/MooCommandException.java
new file mode 100644
index 0000000..6c3cb08
--- /dev/null
+++ b/src/main/java/eu/olli/cowmoonication/command/exception/MooCommandException.java
@@ -0,0 +1,9 @@
+package eu.olli.cowmoonication.command.exception;
+
+import net.minecraft.command.CommandException;
+
+public class MooCommandException extends CommandException {
+    public MooCommandException(String msg) {
+        super("cowmoonication.commands.generic.exception", msg);
+    }
+}
diff --git a/src/main/java/eu/olli/cowmoonication/command/exception/ThrowingConsumer.java b/src/main/java/eu/olli/cowmoonication/command/exception/ThrowingConsumer.java
new file mode 100644
index 0000000..589ada6
--- /dev/null
+++ b/src/main/java/eu/olli/cowmoonication/command/exception/ThrowingConsumer.java
@@ -0,0 +1,25 @@
+package eu.olli.cowmoonication.command.exception;
+
+import eu.olli.cowmoonication.Cowmoonication;
+import net.minecraft.command.CommandException;
+import net.minecraft.util.ChatComponentTranslation;
+import net.minecraft.util.EnumChatFormatting;
+import net.minecraft.util.IChatComponent;
+
+import java.util.function.Consumer;
+
+@FunctionalInterface
+public interface ThrowingConsumer<T> extends Consumer<T> {
+    @Override
+    default void accept(T t) {
+        try {
+            acceptThrows(t);
+        } catch (CommandException e) {
+            IChatComponent errorMsg = new ChatComponentTranslation(e.getMessage(), e.getErrorObjects());
+            errorMsg.getChatStyle().setColor(EnumChatFormatting.RED);
+            Cowmoonication.getInstance().getChatHelper().sendMessage(errorMsg);
+        }
+    }
+
+    void acceptThrows(T t) throws CommandException;
+}
diff --git a/src/main/java/eu/olli/cowmoonication/data/HySkyBlockStats.java b/src/main/java/eu/olli/cowmoonication/data/HySkyBlockStats.java
new file mode 100644
index 0000000..a9735c3
--- /dev/null
+++ b/src/main/java/eu/olli/cowmoonication/data/HySkyBlockStats.java
@@ -0,0 +1,302 @@
+package eu.olli.cowmoonication.data;
+
+import com.mojang.realmsclient.util.Pair;
+import com.mojang.util.UUIDTypeAdapter;
+import eu.olli.cowmoonication.util.Utils;
+
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+import java.util.UUID;
+
+public class HySkyBlockStats {
+    private boolean success;
+    private String cause;
+    private List<Profile> profiles;
+
+    /**
+     * No-args constructor for GSON
+     */
+    private HySkyBlockStats() {
+    }
+
+    public boolean isSuccess() {
+        return success;
+    }
+
+    public String getCause() {
+        return cause;
+    }
+
+    public Profile getActiveProfile(UUID uuid) {
+        if (profiles == null) {
+            return null;
+        }
+        Profile lastSavedProfile = null;
+        long latestSave = -1;
+        for (Profile profile : profiles) {
+            long lastProfileSave = profile.getMember(uuid).last_save;
+            if (latestSave < lastProfileSave) {
+                lastSavedProfile = profile;
+                latestSave = lastProfileSave;
+            }
+        }
+        return lastSavedProfile;
+    }
+
+    public static class Profile {
+        private String cute_name;
+        private Map<String, Member> members;
+        private Banking banking;
+
+        /**
+         * No-args constructor for GSON
+         */
+        private Profile() {
+        }
+
+        public String getCuteName() {
+            return cute_name;
+        }
+
+        public Member getMember(UUID uuid) {
+            return members.get(UUIDTypeAdapter.fromUUID(uuid));
+        }
+
+        public double getCoinBank() {
+            return (banking != null) ? banking.balance : -1;
+        }
+
+        public int coopCount() {
+            return members.size() - 1;
+        }
+
+        public double getCoopCoinPurses(UUID stalkedUuid) {
+            double coopCoinPurses = 0;
+            for (Map.Entry<String, Member> memberEntry : members.entrySet()) {
+                if (memberEntry.getKey().equals(UUIDTypeAdapter.fromUUID(stalkedUuid))) {
+                    // don't include stalked player's purse again, only coops' purse
+                    continue;
+                }
+                coopCoinPurses += memberEntry.getValue().getCoinPurse();
+            }
+            return coopCoinPurses;
+        }
+
+        public Pair<Integer, Integer> getUniqueMinions() {
+            int uniqueMinions = 0;
+            int membersWithDisabledApi = 0;
+            for (Member member : members.values()) {
+                if (member.crafted_generators != null) {
+                    if (uniqueMinions > 0) {
+                        --uniqueMinions; // subtract duplicate COBBLESTONE_1 minion
+                    }
+                    uniqueMinions += member.crafted_generators.size();
+                } else {
+                    ++membersWithDisabledApi;
+                }
+            }
+            return Pair.of(uniqueMinions, membersWithDisabledApi);
+        }
+
+        public static class Member {
+            private long last_save;
+            private long first_join;
+            private double coin_purse;
+            private List<String> crafted_generators;
+            private int fairy_souls_collected = -1;
+            private double experience_skill_farming = -1;
+            private double experience_skill_mining = -1;
+            private double experience_skill_combat = -1;
+            private double experience_skill_foraging = -1;
+            private double experience_skill_fishing = -1;
+            private double experience_skill_enchanting = -1;
+            private double experience_skill_alchemy = -1;
+            private double experience_skill_carpentry = -1;
+            private double experience_skill_runecrafting = -1;
+            private double experience_skill_taming = -1;
+
+            /**
+             * No-args constructor for GSON
+             */
+            private Member() {
+            }
+
+            public Pair<String, String> getFancyFirstJoined() {
+                return Utils.getLastOnlineWords(first_join);
+            }
+
+            public double getCoinPurse() {
+                return coin_purse;
+            }
+
+            public int getFairySoulsCollected() {
+                return fairy_souls_collected;
+            }
+
+            public Map<SkillLevel, Double> getSkills() {
+                Map<SkillLevel, Double> skills = new TreeMap<>();
+                if (experience_skill_farming >= 0) {
+                    skills.put(SkillLevel.FARMING, experience_skill_farming);
+                }
+                if (experience_skill_mining >= 0) {
+                    skills.put(SkillLevel.MINING, experience_skill_mining);
+                }
+                if (experience_skill_combat >= 0) {
+                    skills.put(SkillLevel.COMBAT, experience_skill_combat);
+                }
+                if (experience_skill_foraging >= 0) {
+                    skills.put(SkillLevel.FORAGING, experience_skill_foraging);
+                }
+                if (experience_skill_fishing >= 0) {
+                    skills.put(SkillLevel.FISHING, experience_skill_fishing);
+                }
+                if (experience_skill_enchanting >= 0) {
+                    skills.put(SkillLevel.ENCHANTING, experience_skill_enchanting);
+                }
+                if (experience_skill_alchemy >= 0) {
+                    skills.put(SkillLevel.ALCHEMY, experience_skill_alchemy);
+                }
+                if (experience_skill_carpentry >= 0) {
+                    skills.put(SkillLevel.CARPENTRY, experience_skill_carpentry);
+                }
+                if (experience_skill_runecrafting >= 0) {
+                    skills.put(SkillLevel.RUNECRAFTING, experience_skill_runecrafting);
+                }
+                if (experience_skill_taming >= 0) {
+                    skills.put(SkillLevel.TAMING, experience_skill_taming);
+                }
+                return skills;
+            }
+        }
+
+        public static class Banking {
+            private double balance;
+            // private List<Transaction> transactions;
+
+            /**
+             * No-args constructor for GSON
+             */
+            private Banking() {
+            }
+
+            //  private class Transaction {
+            //      private int amount;
+            //      private long timestamp;
+            //      private Transaction.Action action;
+            //      private String initiator_name;
+            //
+            //      /**
+            //       * No-args constructor for GSON
+            //       */
+            //      private Transaction() {
+            //      }
+            //  }
+        }
+    }
+
+    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/cowmoonication/data/SlothStalkingData.java b/src/main/java/eu/olli/cowmoonication/data/SlothStalkingData.java
index 1072634..6fc7639 100644
--- a/src/main/java/eu/olli/cowmoonication/data/SlothStalkingData.java
+++ b/src/main/java/eu/olli/cowmoonication/data/SlothStalkingData.java
@@ -15,6 +15,10 @@ public class SlothStalkingData {
     public SlothStalkingData() {
     }
 
+    public String getPlayerName() {
+        return username;
+    }
+
     public String getPlayerNameFormatted() {
         return rank_formatted.replace('&', '§') + " " + username;
     }
diff --git a/src/main/java/eu/olli/cowmoonication/handler/FriendsHandler.java b/src/main/java/eu/olli/cowmoonication/handler/FriendsHandler.java
index 119e289..9ec469e 100644
--- a/src/main/java/eu/olli/cowmoonication/handler/FriendsHandler.java
+++ b/src/main/java/eu/olli/cowmoonication/handler/FriendsHandler.java
@@ -3,11 +3,13 @@ package eu.olli.cowmoonication.handler;
 import com.google.gson.JsonParseException;
 import com.google.gson.reflect.TypeToken;
 import eu.olli.cowmoonication.Cowmoonication;
+import eu.olli.cowmoonication.command.exception.ApiContactException;
 import eu.olli.cowmoonication.data.Friend;
 import eu.olli.cowmoonication.util.ApiUtils;
 import eu.olli.cowmoonication.util.GsonUtils;
 import eu.olli.cowmoonication.util.TickDelay;
 import io.netty.util.internal.ConcurrentSet;
+import net.minecraft.command.PlayerNotFoundException;
 import net.minecraft.event.ClickEvent;
 import net.minecraft.event.HoverEvent;
 import net.minecraft.util.ChatComponentText;
@@ -56,9 +58,9 @@ public class FriendsHandler {
 
         ApiUtils.fetchFriendData(name, friend -> {
             if (friend == null) {
-                main.getChatHelper().sendMessage(EnumChatFormatting.RED, "Sorry, could contact Mojang's API and thus didn't add " + name + " as a best friend.");
+                throw new ApiContactException("Mojang", "didn't add " + name + " as a best friend.");
             } else if (friend.equals(Friend.FRIEND_NOT_FOUND)) {
-                main.getChatHelper().sendMessage(EnumChatFormatting.RED, "There is no player with the name " + EnumChatFormatting.DARK_RED + name + EnumChatFormatting.RED + ".");
+                throw new PlayerNotFoundException("There is no player with the name " + EnumChatFormatting.DARK_RED + name + EnumChatFormatting.RED + ".");
             } else {
                 boolean added = bestFriends.add(friend);
                 if (added) {
@@ -108,7 +110,7 @@ public class FriendsHandler {
             if (newName == null) {
                 // skipping friend, something went wrong with API request
             } else if (newName.equals(ApiUtils.UUID_NOT_FOUND)) {
-                main.getChatHelper().sendMessage(EnumChatFormatting.RED, "How did you manage to get a unique id on your best friends list that has no name attached to it?");
+                throw new PlayerNotFoundException("How did you manage to get a unique id on your best friends list that has no name attached to it?");
             } else if (newName.equals(friend.getName())) {
                 // name hasn't changed, only updating lastChecked timestamp
                 Friend bestFriend = getBestFriend(friend.getUuid());
diff --git a/src/main/java/eu/olli/cowmoonication/util/ApiUtils.java b/src/main/java/eu/olli/cowmoonication/util/ApiUtils.java
index aca1819..8515593 100644
--- a/src/main/java/eu/olli/cowmoonication/util/ApiUtils.java
+++ b/src/main/java/eu/olli/cowmoonication/util/ApiUtils.java
@@ -4,8 +4,10 @@ import com.google.gson.JsonArray;
 import com.google.gson.JsonParser;
 import com.mojang.util.UUIDTypeAdapter;
 import eu.olli.cowmoonication.Cowmoonication;
+import eu.olli.cowmoonication.command.exception.ThrowingConsumer;
 import eu.olli.cowmoonication.config.MooConfig;
 import eu.olli.cowmoonication.data.Friend;
+import eu.olli.cowmoonication.data.HySkyBlockStats;
 import eu.olli.cowmoonication.data.HyStalkingData;
 import eu.olli.cowmoonication.data.SlothStalkingData;
 import org.apache.http.HttpStatus;
@@ -18,20 +20,20 @@ import java.net.HttpURLConnection;
 import java.net.URL;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
-import java.util.function.Consumer;
 
 public class ApiUtils {
     public static final String UUID_NOT_FOUND = "UUID-NOT-FOUND";
     private static final String NAME_TO_UUID_URL = "https://api.mojang.com/users/profiles/minecraft/";
     private static final String UUID_TO_NAME_URL = "https://api.mojang.com/user/profiles/%s/names";
     private static final String STALKING_URL_OFFICIAL = "https://api.hypixel.net/status?key=%s&uuid=%s";
+    private static final String SKYBLOCK_STATS_URL_OFFICIAL = "https://api.hypixel.net/skyblock/profiles?key=%s&uuid=%s";
     private static final String STALKING_URL_UNOFFICIAL = "https://api.slothpixel.me/api/players/%s";
     private static ExecutorService pool = Executors.newCachedThreadPool();
 
     private ApiUtils() {
     }
 
-    public static void fetchFriendData(String name, Consumer<Friend> action) {
+    public static void fetchFriendData(String name, ThrowingConsumer<Friend> action) {
         pool.execute(() -> action.accept(getFriend(name)));
     }
 
@@ -48,7 +50,7 @@ public class ApiUtils {
         return null;
     }
 
-    public static void fetchCurrentName(Friend friend, Consumer<String> action) {
+    public static void fetchCurrentName(Friend friend, ThrowingConsumer<String> action) {
         pool.execute(() -> action.accept(getCurrentName(friend)));
     }
 
@@ -68,7 +70,7 @@ public class ApiUtils {
         return null;
     }
 
-    public static void fetchPlayerStatus(Friend friend, Consumer<HyStalkingData> action) {
+    public static void fetchPlayerStatus(Friend friend, ThrowingConsumer<HyStalkingData> action) {
         pool.execute(() -> action.accept(stalkPlayer(friend)));
     }
 
@@ -83,7 +85,22 @@ public class ApiUtils {
         return null;
     }
 
-    public static void fetchPlayerOfflineStatus(Friend stalkedPlayer, Consumer<SlothStalkingData> action) {
+    public static void fetchSkyBlockStats(Friend friend, ThrowingConsumer<HySkyBlockStats> action) {
+        pool.execute(() -> action.accept(stalkSkyBlockStats(friend)));
+    }
+
+    private static HySkyBlockStats stalkSkyBlockStats(Friend friend) {
+        try (BufferedReader reader = makeApiCall(String.format(SKYBLOCK_STATS_URL_OFFICIAL, MooConfig.moo, UUIDTypeAdapter.fromUUID(friend.getUuid())))) {
+            if (reader != null) {
+                return GsonUtils.fromJson(reader, HySkyBlockStats.class);
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    public static void fetchPlayerOfflineStatus(Friend stalkedPlayer, ThrowingConsumer<SlothStalkingData> action) {
         pool.execute(() -> action.accept(stalkOfflinePlayer(stalkedPlayer)));
     }
 
diff --git a/src/main/java/eu/olli/cowmoonication/util/MooChatComponent.java b/src/main/java/eu/olli/cowmoonication/util/MooChatComponent.java
new file mode 100644
index 0000000..a489391
--- /dev/null
+++ b/src/main/java/eu/olli/cowmoonication/util/MooChatComponent.java
@@ -0,0 +1,186 @@
+package eu.olli.cowmoonication.util;
+
+import net.minecraft.event.ClickEvent;
+import net.minecraft.event.HoverEvent;
+import net.minecraft.util.ChatComponentText;
+import net.minecraft.util.EnumChatFormatting;
+import net.minecraft.util.IChatComponent;
+
+public class MooChatComponent extends ChatComponentText {
+    public MooChatComponent(String msg) {
+        super(msg);
+    }
+
+    public MooChatComponent black() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.BLACK));
+        return this;
+    }
+
+    public MooChatComponent darkBlue() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.DARK_BLUE));
+        return this;
+    }
+
+    public MooChatComponent darkGreen() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.DARK_GREEN));
+        return this;
+    }
+
+    public MooChatComponent darkAqua() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.DARK_AQUA));
+        return this;
+    }
+
+    public MooChatComponent darkRed() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.DARK_RED));
+        return this;
+    }
+
+    public MooChatComponent darkPurple() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.DARK_PURPLE));
+        return this;
+    }
+
+    public MooChatComponent gold() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.GOLD));
+        return this;
+    }
+
+    public MooChatComponent gray() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.GRAY));
+        return this;
+    }
+
+    public MooChatComponent darkGray() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.DARK_GRAY));
+        return this;
+    }
+
+    public MooChatComponent blue() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.BLUE));
+        return this;
+    }
+
+    public MooChatComponent green() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.GREEN));
+        return this;
+    }
+
+    public MooChatComponent aqua() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.AQUA));
+        return this;
+    }
+
+    public MooChatComponent red() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.RED));
+        return this;
+    }
+
+    public MooChatComponent lightPurple() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.LIGHT_PURPLE));
+        return this;
+    }
+
+    public MooChatComponent yellow() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.YELLOW));
+        return this;
+    }
+
+    public MooChatComponent white() {
+        setChatStyle(getChatStyle().setColor(EnumChatFormatting.WHITE));
+        return this;
+    }
+
+    public MooChatComponent obfuscated() {
+        setChatStyle(getChatStyle().setObfuscated(true));
+        return this;
+    }
+
+    public MooChatComponent bold() {
+        setChatStyle(getChatStyle().setBold(true));
+        return this;
+    }
+
+    public MooChatComponent strikethrough() {
+        setChatStyle(getChatStyle().setStrikethrough(true));
+        return this;
+    }
+
+    public MooChatComponent underline() {
+        setChatStyle(getChatStyle().setUnderlined(true));
+        return this;
+    }
+
+    public MooChatComponent italic() {
+        setChatStyle(getChatStyle().setItalic(true));
+        return this;
+    }
+
+    public MooChatComponent reset() {
+        setChatStyle(getChatStyle().setParentStyle(null).setBold(false).setItalic(false).setObfuscated(false).setUnderlined(false).setStrikethrough(false));
+        return this;
+    }
+
+    public MooChatComponent setHover(IChatComponent hover) {
+        setChatStyle(getChatStyle().setChatHoverEvent(new HoverEvent(HoverEvent.Action.SHOW_TEXT, hover)));
+        return this;
+    }
+
+    public MooChatComponent setUrl(String url) {
+        setUrl(url, new KeyValueTooltipComponent("Click to visit", url));
+        return this;
+    }
+
+    public MooChatComponent setUrl(String url, String hover) {
+        setUrl(url, new MooChatComponent(hover).yellow());
+        return this;
+    }
+
+    public MooChatComponent setUrl(String url, IChatComponent hover) {
+        setChatStyle(getChatStyle().setChatClickEvent(new ClickEvent(ClickEvent.Action.OPEN_URL, url)));
+        setHover(hover);
+        return this;
+    }
+
+    public MooChatComponent setSuggestCommand(String command) {
+        setChatStyle(getChatStyle().setChatClickEvent(new ClickEvent(ClickEvent.Action.SUGGEST_COMMAND, command)));
+        setHover(new KeyValueChatComponent("Run", command, " "));
+        return this;
+    }
+
+    /**
+     * Appends the given component in a new line, without inheriting formatting of previous siblings.
+     *
+     * @see ChatComponentText#appendSibling appendSibling
+     */
+    public MooChatComponent appendFreshSibling(IChatComponent sibling) {
+        this.siblings.add(new ChatComponentText("\n").appendSibling(sibling));
+        return this;
+    }
+
+    @Deprecated
+    public MooChatComponent appendKeyValue(String key, String value) {
+        appendSibling(new MooChatComponent("\n").appendFreshSibling(new KeyValueChatComponent(key, value)));
+        return this;
+    }
+
+    public static class KeyValueChatComponent extends MooChatComponent {
+        public KeyValueChatComponent(String key, String value) {
+            this(key, value, ": ");
+        }
+
+        public KeyValueChatComponent(String key, String value, String separator) {
+            super(key);
+            appendText(separator);
+            gold().appendSibling(new MooChatComponent(value).yellow());
+        }
+    }
+
+    public static class KeyValueTooltipComponent extends MooChatComponent {
+        public KeyValueTooltipComponent(String key, String value) {
+            super(key);
+            appendText(": ");
+            gray().appendSibling(new MooChatComponent(value).yellow());
+        }
+    }
+}
diff --git a/src/main/java/eu/olli/cowmoonication/util/Utils.java b/src/main/java/eu/olli/cowmoonication/util/Utils.java
index 0ff4010..ec355b9 100644
--- a/src/main/java/eu/olli/cowmoonication/util/Utils.java
+++ b/src/main/java/eu/olli/cowmoonication/util/Utils.java
@@ -11,6 +11,7 @@ import java.util.regex.Pattern;
 public final class Utils {
     public static final Pattern VALID_UUID_PATTERN = Pattern.compile("^(\\w{8})-(\\w{4})-(\\w{4})-(\\w{4})-(\\w{12})$");
     private static final Pattern VALID_USERNAME = Pattern.compile("^[\\w]{1,16}$");
+    private static final char[] LARGE_NUMBERS = new char[]{'k', 'm', 'b', 't'};
 
     private Utils() {
     }
@@ -52,4 +53,28 @@ public final class Utils {
                     dateFormatted);
         }
     }
+
+    /**
+     * Formats a large number with abbreviations for each factor of a thousand (k, m, ...)
+     *
+     * @param number the number to format
+     * @return a String representing the number n formatted in a cool looking way.
+     * @see <a href="https://stackoverflow.com/a/4753866">Source</a>
+     */
+    public static String formatNumberWithAbbreviations(double number) {
+        return formatNumberWithAbbreviations(number, 0);
+    }
+
+    private static String formatNumberWithAbbreviations(double number, int iteration) {
+        @SuppressWarnings("IntegerDivisionInFloatingPointContext") double d = ((long) number / 100) / 10.0;
+        boolean isRound = (d * 10) % 10 == 0; //true if the decimal part is equal to 0 (then it's trimmed anyway)
+        // this determines the class, i.e. 'k', 'm' etc
+        // this decides whether to trim the decimals
+        // (int) d * 10 / 10 drops the decimal
+        return d < 1000 ? // this determines the class, i.e. 'k', 'm' etc
+                (d > 99.9 || isRound || d > 9.99 ? // this decides whether to trim the decimals
+                        (int) d * 10 / 10 : d + "" // (int) d * 10 / 10 drops the decimal
+                ) + "" + LARGE_NUMBERS[iteration]
+                : formatNumberWithAbbreviations(d, iteration + 1);
+    }
 }
diff --git a/src/main/resources/assets/cowmoonication/lang/en_US.lang b/src/main/resources/assets/cowmoonication/lang/en_US.lang
index 05cfc43..f66517c 100644
--- a/src/main/resources/assets/cowmoonication/lang/en_US.lang
+++ b/src/main/resources/assets/cowmoonication/lang/en_US.lang
@@ -8,3 +8,4 @@ cowmoonication.config.showGuildNotifications=Show guild notifications
 cowmoonication.config.showGuildNotifications.tooltip=Set to true to receive guild members' login/logout messages, set to false hide them.
 cowmoonication.config.tabCompletableNamesCommands=Commands with Tab-completable usernames
 cowmoonication.config.tabCompletableNamesCommands.tooltip=List of commands with a username argument that should be Tab-completable.\nRequires game restart to take effect!
+cowmoonication.commands.generic.exception=%s
\ No newline at end of file