#include <AM2302-Sensor.h>
#include <float16.h>

constexpr unsigned int SENSOR_PIN{ A12 };

AM2302::AM2302_Sensor am2302{ SENSOR_PIN };

// int checksum_err{ 0 }, timeout_err{ 0 }, read_freq_err{ 0 };
auto status = 0;
float16 temperature;
float16 humidity;
char text[19];

// void ReadAM2302(char *buffer, float &DHT22temp = 0.0, float &DHT22humid = 0.0);

void setup() {
  Serial.begin(115200);
  while (!Serial) {
    yield();
  }
  Serial.print(F("\n >>> AM2302-sensor Health Check <<<\n\n"));

  // put your setup code here, to run once:
  // set pin and check for sensor

  if (!am2302.begin()) {
    Serial.println(F("Error sensor check!"));
  } else {
    Serial.println(F("Sensor initialized."));
  }
  delay(3000);
  Serial.println(F("\nTemperature,Humidity"));



}

void loop() {

  ReadAM2302_values(text, temperature, humidity);
  // ReadAM2302(text);
  Serial.println(text);
  Serial.print("Values from variables: ");
  Serial.print(temperature.toFloat());
  Serial.print(", ");
  Serial.println(humidity.toFloat());
  temperature = 0;
  humidity = 0;
  delay(2000);

}


void ReadAM2302_values(char *buffer, float16 &DHT22temp, float16 &DHT22humid) {
  uint32_t snapshot = 0;
  float16 temperature = 0;
  float16 humidity = 0;
  char arr[25] = {};
  char temp[6] = {};
  char humid[5] = {};

  switch (am2302.read()) {
    case AM2302::AM2302_ERROR_READ_FREQ:
      Serial.print(F("Had to wait for "));
      snapshot = millis();
      while (am2302.read() == AM2302::AM2302_ERROR_READ_FREQ) {
        ;
      }
      Serial.println(millis() - snapshot);
      // break;
    case AM2302::AM2302_READ_OK:
      DHT22temp = am2302.get_Temperature();
      DHT22humid = am2302.get_Humidity();
      dtostrf(DHT22temp.toFloat(), 4, 1, temp);
      temp[strchr(temp, '.') - temp] = ',';
      dtostrf(DHT22humid.toFloat(), 4, 1, humid);
      humid[strchr(humid, '.') - humid] = ',';
      sprintf_P(buffer, PSTR("%s°C; %s%%"), temp, humid);
      break;
    case AM2302::AM2302_ERROR_CHECKSUM:
      strcpy_P(buffer, PSTR("Checksum error."));
      break;
    case AM2302::AM2302_ERROR_TIMEOUT:
      strcpy_P(buffer, PSTR("Timeout error."));
      break;
  }
}

void ReadAM2302(char *buffer) {
  char arr[19] = {};
  char temp[6] = {};
  char humid[5] = {};

  switch (am2302.read()) {
    case AM2302::AM2302_READ_OK:
      dtostrf(am2302.get_Temperature(), 4, 1, temp);
      temp[strchr(temp, '.') - temp] = ',';
      dtostrf(am2302.get_Humidity(), 4, 1, humid);
      humid[strchr(humid, '.') - humid] = ',';
      sprintf_P(buffer, PSTR("%s°C, %s%%"), temp, humid);
      break;
    case AM2302::AM2302_ERROR_TIMEOUT:
      strcpy_P(buffer, PSTR("Timeout error."));
      break;
    case AM2302::AM2302_ERROR_CHECKSUM:
      strcpy_P(buffer, PSTR("Checksum error."));
      break;
    case AM2302::AM2302_ERROR_READ_FREQ:
      strcpy_P(buffer, PSTR("Reading too often."));
  }
}