Merged /clearartifacts and /clearweapons

I merged ClearArtifactsCommand and ClearWeaponsCommand to ClearCommand with UID parameter. Still no send from console cuz I forgor 💀
Usage: /clear <wp | art | mat | all> [uid]

src/main/java/emu/grasscutter/command/commands/ClearCommand.java

+package emu.grasscutter.command.commands;
+
+import emu.grasscutter.Grasscutter;
+import emu.grasscutter.command.Command;
+import emu.grasscutter.command.CommandHandler;
+import emu.grasscutter.data.GenshinData;
+import emu.grasscutter.data.def.ItemData;
+import emu.grasscutter.game.GenshinPlayer;
+import emu.grasscutter.game.inventory.GenshinItem;
+import emu.grasscutter.game.inventory.Inventory;
+import emu.grasscutter.game.inventory.ItemType;
+
+import java.util.Collection;
+import java.util.LinkedList;
+import java.util.List;
+
+@Command(label = "clear", usage = "clear <all|wp|art|mat>", //Merged /clearartifacts and /clearweapons to /clear <args> [uid]
+        description = "Deletes unequipped unlocked items, including yellow rarity ones from your inventory",
+        aliases = {"clear"}, permission = "player.clearinv")
+
+public final class ClearCommand implements CommandHandler {
+
+    @Override
+    public void execute(GenshinPlayer sender, List<String> args) {
+        int target;
+        if (sender == null) {
+            CommandHandler.sendMessage(null, "Run this command in-game.");
+            return; 
+        }
+        String cmdSwitch = args.get(1);
+        
+        Inventory playerInventory = sender.getInventory();
+            try {
+                target = Integer.parseInt(args.get(0));
+                GenshinPlayer targetPlayer = Grasscutter.getGameServer().getPlayerByUid(target);
+                if (targetPlayer == null && sender != null) {
+                    target = sender.getUid();
+                } else {
+                    switch (cmdSwitch){
+                        case "wp":
+                            playerInventory.getItems().values().stream()
+                            .filter(item -> item.getItemType() == ItemType.ITEM_WEAPON)
+                            .filter(item -> !item.isLocked() && !item.isEquipped())
+                            .forEach(item -> playerInventory.removeItem(item, item.getCount()));
+                            sender.dropMessage("Cleared weapons for " + targetPlayer.getNickname() + " .");
+                        break;
+                        case "art":
+                            playerInventory.getItems().values().stream()
+                            .filter(item -> item.getItemType() == ItemType.ITEM_RELIQUARY)
+                            .filter(item -> item.getLevel() == 1 && item.getExp() == 0)
+                            .filter(item -> !item.isLocked() && !item.isEquipped())
+                            .forEach(item -> playerInventory.removeItem(item, item.getCount()));
+                            sender.dropMessage("Cleared artifacts for " + targetPlayer.getNickname() + " .");
+                        break;
+                        case "mat":
+                            playerInventory.getItems().values().stream()
+                            .filter(item -> item.getItemType() == ItemType.ITEM_MATERIAL)
+                            .filter(item -> item.getLevel() == 1 && item.getExp() == 0)
+                            .filter(item -> !item.isLocked() && !item.isEquipped())
+                            .forEach(item -> playerInventory.removeItem(item, item.getCount()));
+                            sender.dropMessage("Cleared artifacts for " + targetPlayer.getNickname() + " .");
+                        break;
+                        case "all":
+                            playerInventory.getItems().values().stream()
+                            .filter(item1 -> item1.getItemType() == ItemType.ITEM_RELIQUARY)
+                            .filter(item1 -> item1.getLevel() == 1 && item1.getExp() == 0)
+                            .filter(item1 -> !item1.isLocked() && !item1.isEquipped())
+                            .forEach(item1 -> playerInventory.removeItem(item1, item1.getCount()));
+                            playerInventory.getItems().values().stream()
+                            .filter(item2 -> item2.getItemType() == ItemType.ITEM_MATERIAL)
+                            .filter(item2 -> !item2.isLocked() && !item2.isEquipped())
+                            .forEach(item2 -> playerInventory.removeItem(item2, item2.getCount()));
+                            playerInventory.getItems().values().stream()
+                            .filter(item3 -> item3.getItemType() == ItemType.ITEM_WEAPON)
+                            .filter(item3 -> item3.getLevel() == 1 && item3.getExp() == 0)
+                            .filter(item3 -> !item3.isLocked() && !item3.isEquipped())
+                            .forEach(item3 -> playerInventory.removeItem(item3, item3.getCount()));
+                            playerInventory.getItems().values().stream()
+                            .filter(item4 -> item4.getItemType() == ItemType.ITEM_FURNITURE)
+                            .filter(item4 -> !item4.isLocked() && !item4.isEquipped())
+                            .forEach(item4 -> playerInventory.removeItem(item4, item4.getCount()));
+                            playerInventory.getItems().values().stream()
+                            .filter(item5 -> item5.getItemType() == ItemType.ITEM_DISPLAY)
+                            .filter(item5 -> !item5.isLocked() && !item5.isEquipped())
+                            .forEach(item5 -> playerInventory.removeItem(item5, item5.getCount()));
+                            playerInventory.getItems().values().stream()
+                            .filter(item6 -> item6.getItemType() == ItemType.ITEM_VIRTUAL)
+                            .filter(item6 -> !item6.isLocked() && !item6.isEquipped())
+                            .forEach(item6 -> playerInventory.removeItem(item6, item6.getCount()));
+                            sender.dropMessage("Cleared everything for " + targetPlayer.getNickname() + " .");
+                        break;
+                    }
+                }
+            } catch (NumberFormatException ignored) {
+                // TODO: Parse from item name using GM Handbook.
+                CommandHandler.sendMessage(sender, "Invalid playerId.");
+                return;
+            }
+
+        GenshinPlayer targetPlayer = Grasscutter.getGameServer().getPlayerByUid(target);
+        if (targetPlayer == null) {
+            CommandHandler.sendMessage(sender, "Player not found.");
+            return;
+        }
+    }
+}