/**
 * Copyright (c) 2025 Dominic Masters
 * 
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#pragma once
#include "serverclient.h"
#include <netinet/in.h>
#include <arpa/inet.h>

#define SERVER_MAX_CLIENTS 32
#define SERVER_MAX_CHANNELS 2

typedef enum {
  SERVER_STATE_STOPPED,
  SERVER_STATE_STARTING,
  SERVER_STATE_RUNNING,
  SERVER_STATE_STOPPING
} serverstate_t;

typedef struct {
  serverstate_t state;
  pthread_t thread;
  int serverSocket;
  struct sockaddr_in serverAddress;
  serverclient_t clients[SERVER_MAX_CLIENTS];
} server_t;

extern server_t SERVER;

/**
 * Initialize the server
 * 
 * This function initializes the server by setting up the ENet library and
 * creating a server host.
 */
void serverInit();

/**
 * Start the server
 * 
 * This function starts the server by creating a host, binding it to the
 * specified address and port, and starting the server thread.
 * 
 * @param port The port number to bind the server to.
 * @return Returns an error code if the server fails to start.
 */
errorret_t serverStart(uint16_t port);

/**
 * Server thread function
 * 
 * This function runs in a separate thread and handles incoming connections,
 * messages, and disconnections.
 * 
 * @param arg Pointer to the argument passed to the thread.
 */
void * serverThread(void *arg);

/**
 * Get the client count
 * 
 * This function returns the number of connected clients to the server.
 * 
 * @return The number of connected clients.
 */
uint8_t serverGetClientCount();

/**
 * Stop the server
 * 
 * This function stops the server by destroying the host and cleaning up
 * resources.
 */
void serverStop();

/**
 * Dispose of the server
 * 
 * This function disposes of the server by deinitializing the ENet library.
 */
void serverDispose();