// Diese Datei ist stark an den examples von miniaudio orientiert (vor allem simple_mixing.c). Die Struktur ähnelt sich daher möglicherweise.


#define MA_DEBUG_OUTPUT
//#define MA_LOG_LEVEL MA_LOG_LEVEL_VERBOSE

#ifdef WIN32
#ifndef __wtypes_h__
#include <wtypes.h>
#endif

#ifndef __WINDEF_
#include <windef.h>
#endif

#ifndef _WINUSER_
#include <winuser.h>
#endif

#ifndef __RPC_H__
#include <rpc.h>
#endif
#endif

#include "sound.h"

#define DR_FLAC_IMPLEMENTATION
#include "extras/dr_flac.h" //flac
#define DR_MP3_IMPLEMENTATION
#include "extras/dr_mp3.h" //mp3
#define DR_WAV_IMPLEMENTATION
#include "extras/dr_wav.h" //wav

#include "extras/stb_vorbis.c" //vorbis

#define MINIAUDIO_IMPLEMENTATION
#include "miniaudio.h"

#include <algorithm> //std::max
#include <cstring>
#include <cassert>
#include <cmath>
#include <iostream>


Sound* Sound::inst = nullptr;
const std::string Sound::FOLDER = "/home/yannis/prog/ts3/soundboardsounds/";

Sound& Sound::instance() {
	if (!inst) {
		inst = new Sound(); //TODO: needs delete
		inst->init();
	}
	return *inst;
}

void Sound::deinit() {
	if(inst) {
		inst->stopAll();
		delete inst;
		inst = nullptr;
	}

	std::cout << "Sound deinited" << std::endl;
}

void Sound::addPlayback(const std::string& name, float volume) {
	for(SoundDevice* sd : devices) {
		sd->addPlayback(name, volume);
	}
}

bool Sound::addDefaultDevice() {
	SoundDevice* sd = SoundDevice::createDevice(&context);
	if(sd) {
		devices.push_back(sd);
	}
	return sd;
}

bool Sound::addDeviceWithName(const std::string& name) {
	SoundDevice* sd = SoundDevice::createDevice(&context, name);
	if(sd) {
		devices.push_back(sd);
	}
	return sd;
}

void Sound::stopAll() {
	for(SoundDevice* sd : devices) {
		sd->stop();
	}
}

Sound::Sound() {
}

Sound::~Sound() {
	stopAll();
	for(SoundDevice* sd : devices) {
		delete sd;
	}
	devices.clear();
	ma_context_uninit(&context);
}

void Sound::init() {
	//dies wird getrennt vom ctor, da es beim ma_device_start sonst zu einer race condition kommen kann

	// enumerate devices
	if (ma_context_init(NULL, 0, NULL, &context) != MA_SUCCESS) {
		std::cout << "Failed to initialize Sound context." << std::endl;
		throw new std::exception();
	}
}