#include <LiquidCrystal.h>
#include <Stepper.h>
#include <EEPROM.h>

// Assign pins for LCD Screen
LiquidCrystal lcd(3, 8, 4, 5, 6, 7);

// For Stepper Motor
const int stepsPerRev = 2038;

// IN1-IN3-IN2-IN4 ???
Stepper steppy = Stepper(stepsPerRev, 41, 42, 43, 44);

int red = 11;
int gre = 12;
int blu = 13;
int waterLevelPin = A1;
int lightSensorPin = A0;

// daytime default
int mode = 1;

// Setup Code
void setup() {
 // Initialize LCD and print message
 lcd.begin(16, 2);
 lcd.print("ENEL 301");
 delay(500);
 lcd.clear();

 // Begin serial for debugging
 Serial.begin(9600);
 Serial.println("SERIAL");

 // RED
 pinMode(red, OUTPUT);
 digitalWrite(red, LOW);
 // GREEN
 pinMode(gre, OUTPUT);
 digitalWrite(gre, LOW);
 // BLUE
 pinMode(blu, OUTPUT);
 digitalWrite(blu, LOW);

const int level100 = 1;
const int level60 = 1;
const int level30 = 1;
const int level10 = 1;
const int level0 = 1;

int dayLight = 69;
int nightLight = 69;
}

// Main Code
void loop() {
  // Get Water and Light Level
 int waterLevel = analogRead(waterLevelPin);
 double lightLevel = map(analogRead(lightSensorPin), 500, 1000, 0, 100);

 Serial.println("water: " + String(waterLevel) + " light: " + String(lightLevel));
 
 // Check light sensor'
  lcd.clear();
  lcd.print(String(waterLevel) + " " + String(lightLevel));
  steppy.setSpeed(10);
  steppy.step(stepsPerRev/4);
  tone(9,100,1000);
  delay(100);

// Set RGB According to Water Level
switch(waterLevel){

  // From 100-60% Level
  case level60 ... level100:
    // reset all lights, then set green
    digitalWrite(red, LOW);
    digitalWrite(blu, LOW);
    digitalWrite(gre, LOW);
    digitalWrite(gre, HIGH);
  
  // From 60-30
  case level30 ... (level60 - 0.01):
    // reset all lights, then set yellow
    digitalWrite(red, LOW);
    digitalWrite(blu, LOW);
    digitalWrite(gre, LOW);
    
    digitalWrite(gre, HIGH);
    digitalWrite(red, HIGH);

  // From 30-10
  case level10 ... (level30 - 0.01):
    // reset all lights, then set red
    digitalWrite(red, LOW);
    digitalWrite(blu, LOW);
    digitalWrite(gre, LOW);
    
    digitalWrite(red, HIGH);

  // blink red when level is critical
  case 0 ... (level10 - 0.01):
    digitalWrite(red, LOW);
    digitalWrite(blu, LOW);
    digitalWrite(gre, LOW);
    
    digitalWrite(red, HIGH);
    delay(500);
    digitalWrite(red, LOW);
    delay(500);
    digitalWrite(red, HIGH);
    delay(500);
    digitalWrite(red,LOW);
    delay(500);
    digitalWrite(red, HIGH);
}

// Code to Actuate Food Dispenser
// breakfast time
if (mode == 0 && lightlevel >= dayLight){
  steppy.setSpeed(10); 
  steppy.step(stepsPerRev/4); // adjust these two values depending on physical model
  tone(9,100,1000);
  lcd.clear();
  lcd.print("Breakfast Time!");
  lcd.setCursor(0, 1);
  lcd.print("Enjoy your day :)");
  delay(10000);
  mode = 1;
}

// dinnertime
if (mode == 1 && lightlevel <= nightLight){
  steppy.setSpeed(10); 
  steppy.step(stepsPerRev/4); // adjust these two values depending on physical model
  tone(9,100,1000);
  lcd.clear();
  lcd.print("Dinner Time!");
  lcd.setCursor(0, 1);
  lcd.print("Goodnight Cat :)");
  delay(10000);
  mode = 0;
}
}