#include <engine/discord.h>

#if defined(CONF_DISCORD)
#include <discord_game_sdk.h>

class CDiscord : public IDiscord
{
	IDiscordCore *m_pCore;
	IDiscordActivityEvents m_ActivityEvents;
	IDiscordActivityManager *m_pActivityManager;

public:
	bool Init()
	{
		m_pCore = 0;
		mem_zero(&m_ActivityEvents, sizeof(m_ActivityEvents));
		m_pActivityManager = 0;

		DiscordCreateParams Params;
		DiscordCreateParamsSetDefault(&Params);

		Params.client_id = 752165779117441075; // DDNet
		Params.flags = EDiscordCreateFlags::DiscordCreateFlags_NoRequireDiscord;
		Params.event_data = this;
		Params.activity_events = &m_ActivityEvents;
		int Error = DiscordCreate(DISCORD_VERSION, &Params, &m_pCore);
		if(Error != DiscordResult_Ok)
		{
			dbg_msg("discord", "error initializing discord instance, error=%d", Error);
			return true;
		}

		m_pActivityManager = m_pCore->get_activity_manager(m_pCore);
		return false;
	}
	void Update()
	{
		m_pCore->run_callbacks(m_pCore);
	}
	void ClearGameInfo()
	{
		m_pActivityManager->clear_activity(m_pActivityManager, 0, 0);
	}
	void SetGameInfo(NETADDR ServerAddr, const char *pMapName)
	{
		DiscordActivity Activity;
		mem_zero(&Activity, sizeof(DiscordActivity));
		str_copy(Activity.assets.large_image, "ddnet_logo", sizeof(Activity.assets.large_image));
		str_copy(Activity.assets.large_text, "DDNet logo", sizeof(Activity.assets.large_text));
		Activity.timestamps.start = time_timestamp();
		str_copy(Activity.details, pMapName, sizeof(Activity.details));
		m_pActivityManager->update_activity(m_pActivityManager, &Activity, 0, 0);
	}
};

IDiscord *CreateDiscordImpl()
{
	CDiscord *pDiscord = new CDiscord();
	if(pDiscord->Init())
	{
		delete pDiscord;
		return 0;
	}
	return pDiscord;
}
#else
IDiscord *CreateDiscordImpl()
{
	return 0;
}
#endif

class CDiscordStub : public IDiscord
{
	void Update() {}
	void ClearGameInfo() {}
	void SetGameInfo(NETADDR ServerAddr, const char *pMapName) {}
};

IDiscord *CreateDiscord()
{
	IDiscord *pDiscord = CreateDiscordImpl();
	if(pDiscord)
	{
		return pDiscord;
	}
	return new CDiscordStub();
}