#pragma once

#include "stdint.h"
#include "stdio.h"
#include "esp_err.h"
#include "esp_log.h"
#include "driver/gpio.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"

#ifdef __cplusplus
extern "C"
{
#endif

	typedef enum // Enumeration of supported sensor types.
	{
		ZH_DHT11, // Sensor type DHT11.
		ZH_DHT22  // Sensor type DHT22 or AM2302.
	} zh_dht_sensor_type_t;

	typedef struct // Unique handle of the sensor.
	{
		uint8_t sensor_pin;				  // Sensor GPIO connection.
		zh_dht_sensor_type_t sensor_type; // Sensor type.
	} zh_dht_handle_t;

	/**
	 * @brief Initialize DHT sensor.
	 *
	 * @param[in] sensor_type Sensor type.
	 * @param[in] sensor_pin Sensor connection gpio.
	 *
	 * @return Handle of the sensor
	 */
	zh_dht_handle_t zh_dht_init(const zh_dht_sensor_type_t sensor_type, const uint8_t sensor_pin);

	/**
	 * @brief Read DHT sensor.
	 *
	 * @param[in] dht_handle Pointer for handle of the sensor.
	 * @param[out] humidity Pointer for DHT sensor reading data of humidity.
	 * @param[out] temperature Pointer for DHT sensor reading data of temperature.
	 *
	 * @return
	 *              - ESP_OK if read was success
	 *              - ESP_ERR_INVALID_ARG if parameter error
	 *              - ESP_ERR_INVALID_RESPONSE if the bus is busy
	 *              - ESP_ERR_TIMEOUT if operation timeout
	 *              - ESP_ERR_INVALID_CRC if check CRC is fail
	 */
	esp_err_t zh_dht_read(const zh_dht_handle_t *dht_handle, float *humidity, float *temperature);

#ifdef __cplusplus
}
#endif