implement username to UUID tp username

gradle.properties

@@ -14,4 +14,4 @@ org.gradle.jvmargs=-Xmx1G
 
 # Dependencies
 	# currently not on the main fabric site, check on the maven: https://maven.fabricmc.net/net/fabricmc/fabric-api/fabric-api (or https://fabricmc.net/versions.html)
-	fabric_version=0.34.2+1.16
+	fabric_version=0.34.2+1.16

src/main/java/net/saltymc/eaa/commands/TagCommand.java

@@ -1,23 +1,15 @@
 package net.saltymc.eaa.commands;
 
-import com.google.common.collect.Iterables;
-import com.mojang.brigadier.StringReader;
 import com.mojang.brigadier.arguments.StringArgumentType;
 import com.mojang.brigadier.builder.LiteralArgumentBuilder;
 import com.mojang.brigadier.context.CommandContext;
 import com.mojang.brigadier.exceptions.CommandSyntaxException;
-import com.mojang.brigadier.suggestion.Suggestions;
 import net.fabricmc.fabric.api.client.command.v1.FabricClientCommandSource;
 import net.minecraft.client.toast.SystemToast;
-import net.minecraft.command.CommandSource;
-import net.minecraft.command.EntitySelectorReader;
 import net.minecraft.command.argument.EntityArgumentType;
-import net.minecraft.server.command.ServerCommandSource;
-import net.minecraft.text.LiteralText;
 import net.minecraft.text.Text;
-import net.minecraft.util.Formatting;
 
-import java.util.Collection;
+import net.saltymc.eaa.util.mojangApi.PlayerInfo;
 
 import static net.fabricmc.fabric.api.client.command.v1.ClientCommandManager.argument;
 import static net.fabricmc.fabric.api.client.command.v1.ClientCommandManager.literal;
@@ -32,8 +24,17 @@ public class TagCommand extends EaaModCommand{
 
         SystemToast.add(source.getClient().getToastManager(), SystemToast.Type.TUTORIAL_HINT, Text.of(tag), Text.of(player));
 
+        Text text = null;
+        try {
+            String playerUUID = PlayerInfo.playerNameToUUID(player);
+            String playerName = PlayerInfo.playerUUIDToName(playerUUID);
 
-
+            text = Text.of("You tagged player " + playerName + " : " + playerUUID);
+        } catch (Exception e) {
+            text = Text.of(e.toString());
+        }
+        source.sendFeedback(text);
+        
         return 1;
     }
 

src/main/java/net/saltymc/eaa/util/mojangApi/MojangUtilException.java

@@ -0,0 +1,12 @@
+package net.saltymc.eaa.util.mojangApi;
+
+public class MojangUtilException extends Exception {
+
+    MojangUtilException(String message){
+        super(message);
+    }
+
+    MojangUtilException(String message, Throwable ex){
+        super(message, ex);
+    }
+}

src/main/java/net/saltymc/eaa/util/mojangApi/PlayerInfo.java

@@ -0,0 +1,65 @@
+package net.saltymc.eaa.util.mojangApi;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.util.EntityUtils;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.util.UUID;
+
+
+public class PlayerInfo {
+
+    private static final Logger LOGGER = LogManager.getLogger();
+
+
+    public static String playerNameToUUID(String playerName) throws MojangUtilException {
+
+        HttpClient httpClient = HttpClientBuilder.create().build();
+        try {
+            HttpPost request = new HttpPost("https://api.mojang.com/profiles/minecraft");
+            StringEntity params = new StringEntity("[\"" + playerName + "\"]");
+            request.addHeader("Content-Type", "application/json");
+            request.setEntity(params);
+            HttpResponse response = httpClient.execute(request);
+
+            // take the response body as a json formatted string
+            JsonObject responseJSON = new JsonParser().parse(EntityUtils.toString(response.getEntity())).getAsJsonArray().get(0).getAsJsonObject();
+
+            //doublecheck correct name
+            if (!responseJSON.get("name").getAsString().equalsIgnoreCase(playerName))
+                throw new Exception("Api response provided wrong player!");
+
+            return responseJSON.get("id").getAsString();
+
+        } catch (Exception ex) {
+            LOGGER.error("Error parsing playername to UUID while contacting API: ", ex);
+            throw new MojangUtilException("Could not parse Username to UUID!", ex);
+        }
+    }
+
+    public static String playerUUIDToName(String playerUUID) throws MojangUtilException{
+        try {
+            HttpClient httpClient = HttpClientBuilder.create().build();
+            HttpGet request = new HttpGet("https://api.mojang.com/user/profiles/" + playerUUID.toString().replaceAll("-", "") + "/names");
+            HttpResponse response = httpClient.execute(request);
+
+            // take the response body as a json formatted string
+            JsonObject responseJSON = new JsonParser().parse(EntityUtils.toString(response.getEntity())).getAsJsonArray().get(0).getAsJsonObject();
+
+
+            return responseJSON.get("name").getAsString();
+        } catch (Exception e){
+            LOGGER.error("Could not parse UUID to username!", e);
+            throw new MojangUtilException("Could not parse UUID to username!", e);
+        }
+    }
+}