#include "game/server/Lobby.h"
#include "game/server/Server.h"

#include "protocol/packets/UpdateLobbyTimePacket.h"

#include "misc/Time.h"

#ifdef NDEBUG
#define MIN_PLAYER_WAITING 2
#else
#define MIN_PLAYER_WAITING 1
#endif

namespace td {
namespace server {

/*static constexpr std::uint8_t timeNotifications[] = {
	2 * 60, // 2 min
	60 + 30, // 1 min 30 s
	60, // 1 min
	30, // 30 s
	15, // 15 s
	10, // 10 s
	5, // 5 s
	4, // 4 s
	3, // 3 s
	2, // 2 s
	1, // 1 s
};*/

Lobby::Lobby(Server* server) : m_Server(server), m_Timer(1000, std::bind(&Lobby::SendTimeRemaining, this)) {

}

void Lobby::Tick() {
	if (m_GameStarted || m_StartTime == 0)
		return;

	if (utils::GetTime() >= m_StartTime) {
		m_Server->GetGame().NotifyListeners(&game::GameListener::OnGameBegin);
		m_GameStarted = true;
		return;
	}

	//m_Timer.Update();
}

void Lobby::SendTimeRemaining() {
	protocol::UpdateLobbyTimePacket packet(m_StartTime);
	m_Server->BroadcastPacket(&packet);
}

void Lobby::OnPlayerJoin(std::uint8_t playerID) {
	if (m_GameStarted)
		return;

	utils::LOG("(Server) Player Joined Lobby !");
	m_Players.push_back(playerID);

	if (m_Players.size() == MIN_PLAYER_WAITING) { // start timer if a second player join the match
		m_StartTime = utils::GetTime() + static_cast<std::uint64_t>(LobbyWaitingTime);
		m_Timer.Reset();
		SendTimeRemaining();
	}

	// notify player that just arrived
	protocol::UpdateLobbyTimePacket packet(m_StartTime);
	m_Server->GetConnexions().at(playerID).SendPacket(&packet);
}

void Lobby::OnPlayerLeave(std::uint8_t playerID) {
	if (m_GameStarted)
		return;
	utils::LOG("(Server) Player Leaved Lobby !");

	auto it = std::find(m_Players.begin(), m_Players.end(), playerID);
	if (it == m_Players.end())
		return;
	m_Players.erase(it);

	if (m_Players.size() == 1) {
		m_StartTime = 0; // reset timer if there is only one player left
		SendTimeRemaining();
	}
}

} // namespace server
} // namespace td