#pragma once

#include <stdatomic.h>
#include <stdint.h>
#include <threads.h>

struct accel_data {
	int16_t x;
	int16_t y;
	int16_t z;
};

enum accel_rotation : uint8_t {
	ACCEL_ROTATION_0DEG = 0,
	ACCEL_ROTATION_90DEG,
	ACCEL_ROTATION_180DEG,
	ACCEL_ROTATION_270DEG,
	ACCEL_ROTATION_NO_CHANGE,
};

struct accel_monitor {
	atomic_bool monitoring_thread_should_exit;
	atomic_bool monitoring_thread_is_ready;
	thrd_t      monitoring_thread;

	char const* sysfs_device_path;

	mtx_t             current_data_lock;
	struct accel_data current_data;
	atomic_bool       data_is_ready;
};

struct accel_monitor* accel_start_monitor(char const* const sysfs_device_path);
enum accel_rotation   accel_get_current_rotation(struct accel_monitor*);
void                  accel_stop_monitor(struct accel_monitor*);