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#include "streamdeck.h"
#include <hidapi/hidapi.h>


struct Image {
    void* data;
    size_t size;
};

struct Key {
    bool isFolder;
    void* command;
    image* key;
};

struct Screen {
    key* keys;
};

struct Handler {
    hid_device* handler;
};

handler* create_hid_handler() {
    handler* res = NULL;
    res = malloc(sizeof(handler));
    if (!res) {
	return NULL;
    }
    
    /*
     * Init the HIDAPI library
     */
    if (hid_init() < 0) {
	(void) fprintf(stderr, "Could not init the HID library\n");
	free(res);
	return NULL;
    }

    /*
     * Create the device handler
     */
    res->handler = hid_open(0x0fd9, 0x0063, NULL);
    if (!res->handler) {
	(void) fprintf(stderr, "Could not open Streamdeck!\n");
	free(res);
	hid_exit();
	return NULL;
    }

    /*
     * Set handler to be non-blocking
     */

    if (hid_set_nonblocking(res->handler, 1) < 0) {
	(void) fprintf(stderr, "Could not set HIDAPI handler to be non-blocking\n");
	free(res);
	hid_exit();
	return NULL;
    }

    return res;
}