/*
Alex's ESP GreenHouse

- Device name           - Pin Name - Pin No
============================================
- SCL                   -    SCL   - GIOP22
- SDA                   -    SDA   - GIOP21
- DHT11                 -    15    - GIOP15
- Dayligt monitoring    -   ADC0   - GPIO36 
- SoilHumiditySensor01  -   ADC3   - GPIO39
- SoilHumiditySensor02  -   ADC6   - GPIO34
- Too Much Sun SensorsB -   ADC7   - GPIO35 
- HatchMotor Relay      -     2    - GPIO02
- Water Pump Relay      -     4    - GPIO04
- MistMaker  Relay      -    RX2   - GPIO16
- Heater     Relay      -    TX2   - GPIO17
- Grow Light Relay      -     4    - GPIO05

Todo: Fans relay
      Change LDR fubtionality to too much light
      LowWaterLevel sensors and alarm
      Add a display button
      consider a shiftRegister for the relays

0.01 - Basic setup
0.10 - LCD
0.20 - DHT22 + Night Icon
0.30 - LDR 01
0.40 - Soil Humidity Sensors (Simulator)
0.50 - LDR controller
0.60 - Hatch Servo motor
0.70 - Pump1, Pump2, Heater Realys and LEDs
*/

float ver = 0.70;

#include <LiquidCrystal_I2C.h>
#include  <Wire.h>
#include "DHTesp.h"
#include <ESP32Servo.h>

const int servoPin = 5;

#define LDR1  A0  //Day Light Sensor
#define SHS01 A6  //Doil Humidity Sensor 01
#define SHS02 A3  //Doil Humidity Sensor 01
#define hatchOpend  18  //Hatch state LED indicator
#define hatchClosed 19  //Hatch state LED indicator
#define pump1 2
#define p1NOT 4
#define pump2 16
#define p2NOT 17
#define heater 12
#define NOTheater 14

const int DHT_PIN = 15;

DHTesp dhtSensor;
LiquidCrystal_I2C lcd(0x27,  20, 4);
Servo servo;

String tmpC;
String hum;

int lightLevel;
int SoilHum01Level;
int SoilHum02Level;
int tomatA;
int tomatB;
int pos;

byte crescentMoon[8] = {
  B00011,
  B00110,
  B01100,
  B01100,
  B01100,
  B00110,
  B00011,
  B00000
};


void setup() {
  /*
  Serial.begin(115200);
  Serial.println("Hello, Neta!");
  Serial.print("Welcome to CAGH version: ");
  Serial.print(ver);
  */
  servo.attach(servoPin, 500, 2400);

  pinMode(LDR1, INPUT);
  pinMode(SHS01, INPUT);
  pinMode(hatchOpend, OUTPUT);
  pinMode(hatchClosed, OUTPUT);
  pinMode(pump1, OUTPUT);
  pinMode(p1NOT, OUTPUT);
  pinMode(pump2, OUTPUT);
  pinMode(p2NOT, OUTPUT);
  pinMode(heater, OUTPUT);
  pinMode(NOTheater, OUTPUT);

  lcd.init();
  lcd.createChar(0, crescentMoon);
  
  lcd.clear();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("CAMP-ARDUINO present");
  lcd.setCursor(7, 1);
  lcd.print("NETA'S");
  lcd.setCursor(4, 2);
  lcd.print("GREEN  HOUSE");
  lcd.setCursor(4, 3);
  lcd.print("Version: ");
  lcd.setCursor(12, 3);
  lcd.print(ver);
  for (pos = 0; pos <= 180; pos += 1) {
    servo.write(pos);
    delay(15);
  }

  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

  delay(3500);
  
  lcd.setCursor(16, 0);
  lcd.print("    ");
  lcd.setCursor(4, 2);
  lcd.print("                    ");
  lcd.setCursor(4, 3);
  lcd.print("                    ");
  for (pos = 180; pos >= 0; pos -= 1) {
    servo.write(pos);
    delay(15);
  }
}

void loop() {
  lightLevel = analogRead(LDR1);
  SoilHum01Level = analogRead(SHS01);
  SoilHum02Level = analogRead(SHS02);
  tomatA = map(SoilHum01Level, 0, 4095, 100, 0);
  tomatB = map(SoilHum02Level, 0, 4095, 100, 0);
  
  TnH();
  ShL();
  lcd.setCursor(0, 3);
  lcd.print("It's: ");

  if(lightLevel < 2024){
  lcd.setCursor(7, 3);
   // Display the custom character
  lcd.write(byte(0)); // Use lcd.write(byte(0)) to display the custom character
  lcd.setCursor(9, 3);
  lcd.print("Night Time");
  }
  if(lightLevel >= 2024){
  lcd.setCursor(7, 3);
   // Display the custom character
  lcd.print("*"); // Use lcd.write(byte(0)) to display the custom character
  lcd.setCursor(9, 3);
  lcd.print("  Day Time");
  }
   
}

//LightDependentRsistor Controller
/*
void ldrC(){
  if(fxTrk == 1){
  lcd.setCursor(0, 3);
  lcd.print("It's: ");

  if(lightLevel < 2024){
  lcd.setCursor(7, 3);
   // Display the custom character
  lcd.write(byte(0)); // Use lcd.write(byte(0)) to display the custom character
  lcd.setCursor(9, 3);
  lcd.print("Night Time");
  }
  if(lightLevel >= 2024){
  lcd.setCursor(7, 3);
   // Display the custom character
  lcd.print("*"); // Use lcd.write(byte(0)) to display the custom character
  lcd.setCursor(9, 3);
  lcd.print("Day Time");
  }
  }
}
*/

//SoilHumidityLevel
void ShL(){
  //lcd.clear();
  lcd.setCursor(1, 0);
  lcd.print("NETA'S GREEN-HOUSE");
  lcd.setCursor(2, 1);
  lcd.print("PLANT 1   PLANT 2");
  lcd.setCursor(0, 2);
  lcd.print("                   ");

  if(tomatA<10){
    lcd.setCursor(4, 2);
    lcd.print(tomatA);
    lcd.setCursor(5, 2);
    lcd.print(" % ");
    
  }
  else if(tomatA >= 10 && tomatA<100){
    lcd.setCursor(3, 2);
    lcd.print(tomatA);
    lcd.setCursor(5, 2);
    lcd.print(" % ");
  }
  else{
  lcd.setCursor(3, 2);
  lcd.print(tomatA);
  lcd.setCursor(6, 2);
  lcd.print(" %");
  }

if(tomatB<10){
    lcd.setCursor(14, 2);
    lcd.print(tomatB);
    lcd.setCursor(15, 2);
    lcd.print("  %");
  }
  else if(tomatB >= 10 && tomatB<100){
    lcd.setCursor(14, 2);
    lcd.print(tomatB);
    lcd.setCursor(16, 2);
    lcd.print(" %");
  }
  else{
  lcd.setCursor(13, 2);
  lcd.print(tomatB);
  lcd.setCursor(17, 2);
  lcd.print("%");
  }
  lcd.setCursor(0, 3);
  lcd.print("It's: ");

  if(lightLevel < 2024){
  lcd.setCursor(7, 3);
   // Display the custom character
  lcd.write(byte(0)); // Use lcd.write(byte(0)) to display the custom character
  lcd.setCursor(9, 3);
  lcd.print("Night Time");
  }
  if(lightLevel >= 2024){
  lcd.setCursor(7, 3);
   // Display the custom character
  lcd.print("*"); // Use lcd.write(byte(0)) to display the custom character
  lcd.setCursor(9, 3);
  lcd.print("  Day Time");
  }
  delay(3000);
  lcd.setCursor(0, 2);
  lcd.print("                   ");
  if(tomatA < 30){
    digitalWrite(pump1, HIGH);
    digitalWrite(p1NOT, LOW);
  }else {
    digitalWrite(pump1, LOW);
    digitalWrite(p1NOT, HIGH);
  }
  if(tomatB < 30){
    digitalWrite(pump2, HIGH);
    digitalWrite(p2NOT, LOW);
  }else {
    digitalWrite(pump2, LOW);
    digitalWrite(p2NOT, HIGH);
}
}

//Temperature and Humidity
void TnH(){  
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  tmpC = String(data.temperature, 2);
  hum = String(data.humidity, 1);
  int tmpB = tmpC.toInt();
  //Conditions for Hatch Servo
  if (tmpB >= 26){
    servo.write(180);
    digitalWrite(hatchOpend, HIGH);
    digitalWrite(hatchClosed, LOW);
  }else{
    servo.write(0);
    digitalWrite(hatchOpend, LOW);
    digitalWrite(hatchClosed, HIGH);
  }
  if (tmpB < 15){
    digitalWrite(heater, HIGH);
    digitalWrite(NOTheater, LOW);
  }else {
    digitalWrite(heater, LOW);
    digitalWrite(NOTheater, HIGH);
}
  
  //lcd.clear();
  lcd.setCursor(1, 0);
  lcd.print("NETA'S GREEN-HOUSE");
  lcd.setCursor(2, 1);
  lcd.print("TEMP c    HUMID %");
  lcd.setCursor(0, 2);
  lcd.print("                   ");
  lcd.setCursor(2, 2);
  lcd.print(tmpC);
  lcd.setCursor(13, 2);
  lcd.print(hum); 
  lcd.setCursor(17, 2);
  lcd.print(" "); 
  delay(3000);
}