#include <inttypes.h>
#include <Wire.h>
#include <lm75.h>

TempI2C_LM75 termo = TempI2C_LM75(0x48, TempI2C_LM75::nine_bits);

unsigned long start_time = 0;  // Variable to store the start time
unsigned long last_measurement_time = 0;  // Variable to store the time of the last measurement
unsigned int measurement_count = 0;  // Variable to track the number of measurements
double sum_measurements = 0;  // Variable to store the sum of all measurements
double highest_value = 0;  // Variable to store the highest value
double lowest_value = 0;  // Variable to store the lowest value
double ten_minute_average = 0;  //Variable to store ten minute averages
double overall_average = 0;  //Variable to store overall average
double ten_minute_count = 0;  //variable for help calculating overall average

const unsigned long ten_minutes = 10 * 60 * 1000;  // 10 minutes in milliseconds

//Setting Up
void setup()
{
  Serial.begin(115200);
  Serial.println("Start");
  Serial.print("Actual temp ");
  Serial.print(termo.getTemp());
  Serial.println(" oC");
  delay(2000);

  start_time = millis();  // Store the start time
  last_measurement_time = start_time;  // Set the last measurement time as the start time
}

void loop()
{
  unsigned long current_time = millis();  // Get the current time

  // Perform measurement every 5 seconds
  if (current_time - last_measurement_time >= 5000)
  {
    double measurement = termo.getTemp();  // Get the temperature measurement

    // Update max and mins
    measurement_count++;
    sum_measurements += measurement;

    // Update highest and lowest values
    if (measurement > highest_value)
    {
      highest_value = measurement;
    }
    if (measurement < lowest_value || lowest_value == 0)
    {
      lowest_value = measurement;
    }

    // Print the current temperature
    Serial.print(measurement);
    Serial.println("  degrees C");

    last_measurement_time = current_time;  // Update the last measurement time
  }

  // Calculate and print statistics every 10 minutes
  if (current_time - start_time >= ten_minutes)
  {
    // Calculate statistics
    ten_minute_count++;
    ten_minute_average = sum_measurements / measurement_count;
    overall_average += ten_minute_average;
    if (ten_minute_count != 1)
      overall_average /= 2;

    // Print statistics
    Serial.println("-------- Statistics --------");
    Serial.print("10-Minute Average: ");
    Serial.println(ten_minute_average);
    Serial.print("Overall Average: ");
    Serial.println(overall_average);
    Serial.print("Highest Value: ");
    Serial.println(highest_value);
    Serial.print("Lowest Value: ");
    Serial.println(lowest_value);
    Serial.println();

    // Reset statistics variables
    start_time = current_time;
    measurement_count = 0;
    sum_measurements = 0;
    highest_value = 0;
    lowest_value = 0;
  }
}