// 4095 is the number when sensor is dry
// around 1664 submerged, technically got down to 1403 but that was an outlier
int plantPin = 32;
int sensorValue;
int numReadings = 10;
int water = 1664;
int dry = 4095;
int high = 0;
int low = 101;
char userInput;
float averages[144];//Arrey of average values taken every 10 minutes
int highs[144];
int lows[144];
int dataPoints[602];//extra two spots
unsigned long startTime;
int d;
int averagedValue;
int a = 0;
float average;

void setup(){
  
  pinMode(plantPin, INPUT);
  startTime = millis();
  Serial.begin(115200);
  d=0;
  //clears arrey
  for (int i=0; i<144; i++){
    averages[i]=0;
    highs[i]=0;
    lows[i]=0;
  }
  
}

//Prints out Results
void showData(float averages[144], int highs[144], int lows[144]){
  Serial.println("Data shown below is in the format: Time in mins, 10 min average, high, low"); 
  for (int i=0; i<144; i++){
    int times;
    times = 10*i +10;
    Serial.print(times);
    Serial.print(", ");
    Serial.print(averages[i]);
    Serial.print(", ");
    Serial.print(highs[i]);
    Serial.print(", ");
    Serial.println(lows[i]);
    average = average+averages[i];
  }
  average = average/144.0;
  Serial.print("Overall average:");
  Serial.println(average);
}

void showAverages(float averages[144]){
  Serial.println("10 min averages"); 
  for (int i=0; i<144; i++){
    Serial.println(averages[i]);
  }
}

void showHighsOrLows(int highs[144]){
  for (int i=0; i<144; i++){
    Serial.println(highs[i]);
  }
}

//Makes each individual data point more accurate, reduces outliers
int smooth(){
  int sum = 0;
  // Read the sensor multiple times and add them together
  for (int i = 0; i < numReadings; i++) {
    sensorValue = analogRead(plantPin);
    sum += sensorValue;
    delay(100);  // Delay between consecutive readings
  }
  // Calculate the average value
  averagedValue = sum / numReadings;
  averagedValue = map(averagedValue,dry,water,0,100);
  return averagedValue;
}

void loop() {

  dataPoints[d] = smooth();
  d++;

  // Print the averaged value
  Serial.print("Time since program start in seconds:");
  Serial.print(millis()/1000);
  Serial.print("  DATA POINT:");
  Serial.println(averagedValue);
  Serial.print("# of data points collected for current intervul:");
  Serial.println(d);//for testing

  //high
  if (averagedValue >= high){
    high = averagedValue;
  }
  
  //low
  if (averagedValue <= low){
    low = averagedValue;
  }

  unsigned long mins = (millis()-startTime)/60000;
  if (mins >= 10){//back to 10___________________________________________________________________________________________________________________________
    Serial.println("logging an average++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");//for testing
    
   //Calculate Average using dataPoints arrey
   int total = 0;
   for (int x=0; x<600; x++){//600 form 60_______________________________________________________________________________________________________
      total = total + dataPoints[x];
    }
    //re-start time etc.
    startTime = millis();
    if (a<144){
      averages[a] = total/600.0;//back to 600____________________________________________________________________________________________________
      lows[a] = low;
      highs[a] = high;
      a++;
    } else {
      Serial.println("Time is up!");
    }
    high=0;
    low=101;
    d=0;
  }

  userInput = Serial.read();//Checks for input by user
  if (userInput == 'r'){
  //make function for data report
  showData(averages, highs, lows);
  }
  if (userInput == 'a'){
    showAverages(averages);
  }
  if (userInput == 'h'){
    Serial.println("Highs"); 
    showHighsOrLows(highs);
  }
  if (userInput == 'l'){
    Serial.println("Lows"); 
    showHighsOrLows(lows);
  }
}