create api http server

src/main/java/me/youhavetrouble/inviter/Main.java

@@ -1,5 +1,6 @@
 package me.youhavetrouble.inviter;
 
+import me.youhavetrouble.inviter.http.ApiServer;
 import me.youhavetrouble.inviter.storage.MemoryStorage;
 import me.youhavetrouble.inviter.storage.Storage;
 import net.dv8tion.jda.api.JDA;
@@ -9,20 +10,65 @@ import net.dv8tion.jda.api.utils.cache.CacheFlag;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.io.IOException;
 import java.util.Set;
 
 public class Main {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger("Inviter");
+    public static final Logger LOGGER = LoggerFactory.getLogger("Inviter");
 
     private static JDA jda;
-
     private static Storage storage;
+    private static ApiServer apiServer;
 
     public static void main(String[] args) throws InterruptedException {
 
         String token = System.getenv("DISCORD_TOKEN");
 
+        if (token == null || token.isEmpty()) {
+            LOGGER.error("Discord token is not set. Please set the DISCORD_TOKEN environment variable.");
+            System.exit(1);
+        }
+
+        String hostname = "127.0.0.1";
+        int port = 8080; // Default port
+
+        for (String arg : args) {
+            String[] parts = arg.split("=", 2);
+            if (parts.length < 2) {
+                LOGGER.error("Invalid argument format: {}", arg);
+                System.exit(1);
+            }
+
+            String key = parts[0];
+            String value = parts[1];
+
+            switch (key) {
+                case "hostname":
+                    if (value.isEmpty()) {
+                        LOGGER.error("Hostname cannot be empty.");
+                        System.exit(1);
+                    }
+                    hostname = value;
+                    break;
+                case "port":
+                    try {
+                        port = Integer.parseInt(value);
+                        if (port <= 0 || port > 65535) {
+                            LOGGER.error("Port must be a valid number between 1 and 65535.");
+                            System.exit(1);
+                        }
+                    } catch (NumberFormatException e) {
+                        LOGGER.error("Invalid port number: {}", value, e);
+                        System.exit(1);
+                    }
+                    break;
+                default:
+                    LOGGER.warn("Unknown argument: {}", key);
+                    break;
+            }
+        }
+
         jda = JDABuilder.create(
                         token,
                         Set.of(GatewayIntent.GUILD_INVITES)
@@ -42,8 +88,14 @@ public class Main {
 
         storage = new MemoryStorage(jda);
 
+        try {
+            apiServer = new ApiServer(hostname, port);
+        } catch (IOException e) {
+            LOGGER.error("Failed to start the API server on {}:{}", hostname, port, e);
+            System.exit(1);
+        }
+
         LOGGER.info("Welcome to the Inviter Application!");
-
     }
 
 }

src/main/java/me/youhavetrouble/inviter/http/ApiServer.java

@@ -0,0 +1,21 @@
+package me.youhavetrouble.inviter.http;
+
+import com.sun.net.httpserver.HttpServer;
+import me.youhavetrouble.inviter.Main;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.util.concurrent.Executors;
+
+public class ApiServer {
+
+    private final HttpServer server;
+
+    public ApiServer(String hostname, int port) throws IllegalArgumentException, IOException {
+        server = HttpServer.create(new InetSocketAddress(hostname, port), 0);
+        server.setExecutor(Executors.newVirtualThreadPerTaskExecutor());
+        server.start();
+        Main.LOGGER.info("Http API server started on {}:{}", hostname, port);
+    }
+
+}