#include <cstdio>

#include "bettola/network/socket.h"
#include "bettola/network/net_common.h"
#include "bettola/network/message.h"
#include "bettola/network/player_pos_message.h"
#include "game/game.h"

int main(void) {
  Game game;

  printf("=== Bettola Server: Starting ===\n");

  BettolaLib::Network::Socket server_socket;

  if(!server_socket.create()) {
    printf("Bettola Server: Failed to create socket.\n");
    return 1;
  }

  if(!server_socket.bind(BettolaLib::Network::DEFAULT_PORT)) {
    printf("Bettola Server: Failed to bind socket to port %hu.\n",
           BettolaLib::Network::DEFAULT_PORT);
    server_socket.close();
    return 1;
  }

  if(!server_socket.listen()) {
    printf("Bettola Server: Failed to listen on socket.\n");
    server_socket.close();
    return 1;
  }

  printf("Bettola Server: Listening on port %hu...\n", BettolaLib::Network::DEFAULT_PORT);

  /* Main server loop. */
  while(true) {
    BettolaLib::Network::Socket* client_socket = server_socket.accept();

    if(client_socket == nullptr) {
      printf("Bettola Server: Failed to accept client connection.\n");
      continue; /* try accepting again. */
    }

    game.add_player(client_socket);

    printf("Bettola Server: Client connected!\n");

    while(true) {
      BettolaLib::Network::MessageHeader header;
      ssize_t bytes_received = client_socket->recv(&header, sizeof(header));

      if(bytes_received <= 0) {
        game.remove_player(client_socket);
        break;
      }

      if(header.type == BettolaLib::Network::MessageType::PlayerPosition) {
        BettolaLib::Network::PlayerPosMessage msg;
        bytes_received = client_socket->recv(&msg, sizeof(msg));
        if(bytes_received > 0) {
          printf("Bettola Server: Received PlayerPosition messgae: x=%.2f, y=%.2f\n",
                 msg.x, msg.y);
          game.update_player_pos(client_socket, msg.x, msg.y);
        }
      }
    }
  }

  server_socket.close(); /* Shouldn't reach here. */
  printf("=== Bettola Server: Shutting Down ===\n");
  return 0;
}