#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <mosquitto.h>

static int run = -1;


static void on_connect(struct mosquitto *mosq, void *obj, int rc, int flags, const mosquitto_property *properties)
{
	(void)obj;
	(void)flags;
	(void)properties;

	if(rc){
		exit(1);
	}
	mosquitto_publish_v5(mosq, NULL, "topic", strlen("rejected"), "rejected", 2, false, NULL);
	mosquitto_publish_v5(mosq, NULL, "topic", strlen("accepted"), "accepted", 2, false, NULL);
}


static void on_publish(struct mosquitto *mosq, void *obj, int mid, int reason_code, const mosquitto_property *properties)
{
	(void)mosq;
	(void)obj;
	(void)reason_code;
	(void)properties;

	if(mid == 2){
		run = 0;
	}
}


int main(int argc, char *argv[])
{
	int rc;
	struct mosquitto *mosq;
	int port;

	if(argc < 2){
		return 1;
	}
	port = atoi(argv[1]);

	mosquitto_lib_init();

	mosq = mosquitto_new("publish-qos2-test", true, &run);
	if(mosq == NULL){
		return 1;
	}
	mosquitto_int_option(mosq, MOSQ_OPT_PROTOCOL_VERSION, MQTT_PROTOCOL_V5);

	mosquitto_connect_v5_callback_set(mosq, on_connect);
	mosquitto_publish_v5_callback_set(mosq, on_publish);

	rc = mosquitto_connect_bind_v5(mosq, "localhost", port, 60, NULL, NULL);
	if(rc != MOSQ_ERR_SUCCESS){
		return rc;
	}

	while(run == -1){
		mosquitto_loop(mosq, 100, 1);
	}

	mosquitto_destroy(mosq);
	mosquitto_lib_cleanup();
	return run;
}
