#include <AccelStepper.h>

const int dirPin = 7;
const int stepPin = 6;

const int ms1 = 4;
const int ms2 = 2;
const int ms3 = 3;

const int photosensor_in = A0;

#define motorInterfaceType 1

const float GAMMA = 0.7;
const float RL10 = 50;

AccelStepper myStepper(motorInterfaceType, stepPin, dirPin);

int start_steps = 100;
int steps = start_steps;

unsigned long time = 0;

float prev_value = 0;

void setup() {
  Serial.begin(9600);

  pinMode(ms1, OUTPUT);
  pinMode(ms2, OUTPUT);
  pinMode(ms3, OUTPUT);

  digitalWrite(ms1, LOW);
  digitalWrite(ms2, LOW);
  digitalWrite(ms3, LOW);

  // put your setup code here, to run once:
  myStepper.setMaxSpeed(1000);
  myStepper.setAcceleration(200);
  myStepper.setSpeed(100);
  myStepper.moveTo(start_steps);
  
  time = (millis() / 1000);

  float analog_in = analogRead(photosensor_in);
  prev_value = analog_in;
}

char* state = "NONE";

void loop() {
  /* if (myStepper.distanceToGo() == 0) {
    myStepper.moveTo(-200);
  } */ 

  time = (millis() / 1000);

  float analog_in = analogRead(photosensor_in);


  if (time != (millis() /1000) && analog_in > 278 && analog_in < 849){
    Serial.println("DAY");
    if (state != "DAY") {
      steps = 70;
    }
    state = "DAY";
  }

  if (time != (millis() /1000) && analog_in > 4 && analog_in < 278){
    Serial.println("NOON");
    if (state != "NOON"){
      steps = 90;
    }
    state = "NOON";
  }

  if (time != (millis() /1000) && analog_in > 850 && analog_in < 900){
    Serial.println("NIGHT");
    if (state != "NIGHT"){
      steps = 50;
    }
    state = "NIGHT";
  }

  if (time != (millis() /1000) && analog_in > 900) {
    Serial.println("MIDNIGHT");
    if (state != "MIDNIGHT"){
      steps = 50;
      myStepper.moveTo(steps);  
      myStepper.run();
    }
    state = "MIDNIGHT";
  }

  if (myStepper.currentPosition() >= 200 * 1.05 || myStepper.currentPosition() <= 200 * 1.05) {
    
  }

  /* Serial.println(analog_in);
  Serial.println(time); */
  if (time != (millis() /1000) && state != "MIDNIGHT"){
    Serial.println(analog_in);
    myStepper.moveTo(steps += 1);  
  }
  myStepper.run();
}