#include "wavfile.h"

#define SND_MSGUNDER

#define SND_S32
#include "alsasnd.h"

#undef SND_S32
#include "alsasnd.h"

typedef struct {
	aud_handle16 ihandle;
	aud_handle32 lhandle;
	uint32_t samplerate;
	bool iswav;
	bool iswide;
} aud_handle;

bool aud_open_dev(aud_handle *dev, const char *devname, uint32_t samplerate, uint8_t channels, uint32_t frames, uint32_t bufsize, bool wide) {
	if(wide) {
		int state = aud_open_dev32(&dev->lhandle, devname, samplerate, channels, frames, bufsize);
		if(state == 2) {
			wide = false;
			mid_log(STR_AUD_FMTCH"\n", devname, 32, 16);
			state = aud_open_dev16(&dev->ihandle, devname, samplerate, channels, frames, bufsize);
			if(state == 2) {
				mid_log(STR_AUD_FMTERR"\n", devname);
				return false;
			}
			else if(state != 0) {
				return false;
			}
		}
		else if(state != 0) {
			return false;
		}
	}
	else {
		int state = aud_open_dev16(&dev->ihandle, devname, samplerate, channels, frames, bufsize);
		if(state == 2) {
			wide = true;
			mid_log(STR_AUD_FMTCH"\n", devname, 16, 32);
			state = aud_open_dev32(&dev->lhandle, devname, samplerate, channels, frames, bufsize);
			if(state == 2) {
				mid_log(STR_AUD_FMTERR"\n", devname);
				return false;
			}
			else if(state != 0) {
				return false;
			}
		}
		else if(state != 0) {
			return false;
		}
	}
	if(wide) {
		dev->samplerate = dev->lhandle.samplerate;
		dev->iswav = dev->lhandle.wav.buffer != NULL;
	}
	else {
		dev->samplerate = dev->ihandle.samplerate;
		dev->iswav = dev->ihandle.wav.buffer != NULL;
	}
	dev->iswide = wide;
	return true;
}

void aud_push(aud_handle *dev, int16_t *data) {
	if(dev->iswide) {
		int32_t conv[dev->lhandle.channels];
		for(int h = 0; h < dev->lhandle.channels; h++) {
			conv[h] = ((int32_t)data[h]) << 16;
		}
		aud_push32(&dev->lhandle, conv);
	}
	else {
		aud_push16(&dev->ihandle, data);
	}
}

void aud_flush(aud_handle *dev) {
	if(dev->iswide) {
		aud_flush32(&dev->lhandle);
	}
	else {
		aud_flush16(&dev->ihandle);
	}
}

void aud_close(aud_handle *dev) {
	if(dev->iswide) {
		aud_close32(&dev->lhandle);
	}
	else {
		aud_close16(&dev->ihandle);
	}
}