#include "misc/DiscordRPC.h"
#include "misc/Time.h"

#include <cstring>

#include <discordrpc/discord_rpc.h>

namespace td {
namespace utils {

static const std::string APPLICATION_ID = "1114135294283874334";
static const std::string TD_ICON = "td_icon2";

static void handleDiscordReady(const DiscordUser* connectedUser);
static void handleDiscordDisconnected(int errcode, const char* message);
static void handleDiscordError(int errcode, const char* message);


void InitDiscordRPC() {
	DiscordEventHandlers handlers {};
    handlers.ready = handleDiscordReady;
    handlers.disconnected = handleDiscordDisconnected;
    handlers.errored = handleDiscordError;
    Discord_Initialize(APPLICATION_ID.c_str(), &handlers, true, nullptr);

    // Set default presence
    UpdateDiscordPresence("In Main Menu", "", true);
}

void UpdateDiscordRPC() {
	Discord_RunCallbacks();
}

void ShutdownDiscordRPC() {
	Discord_Shutdown();
}

void UpdateDiscordPresence(const std::string& state, const std::string& details, bool resetTimer) {
	static std::int64_t currentTimeStamp = static_cast<std::int64_t>(GetTime());

	if (resetTimer) currentTimeStamp = static_cast<std::int64_t>(GetTime());
	
	DiscordRichPresence discordPresence {};
    discordPresence.state = state.c_str();
    discordPresence.details = details.c_str();
    discordPresence.startTimestamp = currentTimeStamp;
    discordPresence.largeImageKey = TD_ICON.c_str();
    discordPresence.largeImageText = "Tower Defense";
    Discord_UpdatePresence(&discordPresence);
}


static void handleDiscordReady(const DiscordUser* connectedUser)
{
    printf("\nDiscord: connected to user %s#%s - %s\n",
           connectedUser->username,
           connectedUser->discriminator,
           connectedUser->userId);
}

static void handleDiscordDisconnected(int errcode, const char* message)
{
    printf("\nDiscord: disconnected (%d: %s)\n", errcode, message);
}

static void handleDiscordError(int errcode, const char* message)
{
    printf("\nDiscord: error (%d: %s)\n", errcode, message);
}

} // namespace utils
} // namespace td