#include <algorithm>

#include "game.h"
#include "network/game_state_message.h"
#include "network/socket.h"
#include "network/message.h"

Player* Game::add_player(BettolaLib::Network::Socket* socket) {
  _players.emplace_back(socket);
  return &_players.back();
}

void Game::remove_player(unsigned int player_id) {
  _players.erase(
    std::remove_if(_players.begin(), _players.end(),
                   [player_id](const Player& player) {
                      /* this is a sh.t way to compare players. */
                      return player.get_id() == player_id;
                   }),
    _players.end());
}

void Game::update_player_pos(unsigned int player_id, float x, float y) {
  auto it = std::find_if(_players.begin(), _players.end(),
                         [player_id](const Player& player) {
                            return player.get_id() == player_id;
                         });
  if(it != _players.end()) {
    it->set_position(x, y);
  }
}

void Game::broadcast_game_state(void) {
  BettolaLib::Network::GameStateMessage msg;
  msg.num_players = _players.size();

  for(size_t i = 0; i < _players.size(); ++i) {
    msg.players[i].player_id = _players[i].get_id();
    msg.players[i].x = _players[i].get_x();
    msg.players[i].y = _players[i].get_y();
  }

  BettolaLib::Network::MessageHeader header;
  header.type = BettolaLib::Network::MessageType::GameState;
  header.size = sizeof(msg);

  for(const auto& player : _players) {
    BettolaLib::Network::Socket& socket = player.get_socket();
    socket.send(&header, sizeof(header));
    socket.send(&msg, sizeof(msg));
  }
}