#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 20, 4);

//onion data
  int Onion_PH_E, Onion_PH_min = 6, Onion_PH_max = 7;
  int Onion_N_E, Onion_N_min = 60, Onion_N_max = 100;
  int Onion_P_E ,Onion_P_min = 25, Onion_P_mas = 45;
  int Onion_K_E, Onion_K_min = 45, Onion_K_mas = 80;
  float Onion_N_D, Onion_P_D, Onion_K_D;

//corn data
  float Corn_PH_E, Corn_PH_min = 5.8, Corn_PH_max = 6.2;
  int Corn_N = 120, Corn_P = 60, Corn_K = 40;
  int Corn_N_E, Corn_P_E, Corn_K_E;
  float Corn_N_D, Corn_P_D, Corn_K_D;

//long chili data
  float Chili_PH_E, Chili_PH_min = 5.5, Chili_PH_max = 6.8;
  int Chili_N_E, Chili_N_min = 15, Chili_N_max = 20;
  float Chili_P_E, Chili_P_min = 2.5, Chili_P_max = 3.0;
  float Chili_K_E, Chili_K_min = 15, Chili_K_max = 20;
  float Chili_N_D, Chili_P_D, Chili_K_D;

//eggplant data
  float Eggplant_PH_E, Eggplant_PH_min = 5.5, Eggplant_PH_max = 7.5;
  int Eggplant_N = 129, Eggplant_P = 129, Eggplant_K = 129;
  int Eggplant_N_E, Eggplant_P_E, Eggplant_K_E;
  float Eggplant_N_D, Eggplant_P_D, Eggplant_K_D;

//test data
  int NT1, PT1, KT1;
  float NTC1, PTC1, KTC1, PHT1, PHTC1;
  int NT2, PT2, KT2;
  float NTC2, PTC2, KTC2, PHT2, PHTC2;
  int NT3, PT3, KT3;
  float NTC3, PTC3, KTC3, PHT3, PHTC3;
  int NT4, PT4, KT4;
  float NTC4, PTC4, KTC4, PHT4, PHTC4;
  float NF, PF, KF;
  float NFC, PFC, KFC, PHF;

//test value
   int N = 95;
   int P = 72;
   int K = 65;
   float PH = 7.5;


//cvdd

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

  lcd.begin(20, 4);
  lcd.backlight();
  lcd.clear();

}

void loop() {

  for(int i = 0; i < 4; i++){
    if(i == 0){
      NT1 = N;
      NTC1 = NT1*10*1.1/10;
      PT1 = P;
      PTC1 = PT1*10*1.1/10;
      KT1 = K;
      KTC1 = KT1*10*1.1/10;
      PHT1 = PH;
    }
    if(i == 1){
      NT2 = N;
      NTC2 = NT2*10*1.1/10;
      PT2 = P;
      PTC2 = PT2*10*1.1/10;
      KT2 = K;
      KTC2 = KT2*10*1.1/10;
      PHT2 = PH;
    }
    if(i == 2){
      NT3 = N;
      NTC3 = NT3*10*1.1/10;
      PT3 = P;
      PTC3 = PT3*10*1.1/10;
      KT3 = K;
      KTC3 = KT3*10*1.1/10;
      PHT3 = PH;
    }
    if(i == 3){
      NT4 = N;
      NTC4 = NT4*10*1.1/10;
      PT4 = P;
      PTC4 = PT4*10*1.1/10;
      KT4 = K;
      KTC4 = KT4*10*1.1/10;
      PHT4 = PH;
    }
    delay(2000);
  }

//tallied test
  NF = (NT1+NT2+NT3+NT4)/4;
  PF = (PT1+PT2+PT3+PT4)/4;
  KF = (KT1+KT2+KT3+KT4)/4;
  PHF = (PHT1+PHT2+PHT3+PHT4)/4;
  NFC = (NTC1+NTC2+NTC3+NTC4)/4;
  PFC = (PTC1+PTC2+PTC3+PTC4)/4;
  KFC = (KTC1+KTC2+KTC3+KTC4)/4;

  lcd.clear();
  lcd.setCursor(0, 1);
  lcd.print("Final Co.  Converted");
  lcd.setCursor(0, 2);
  lcd.print("(mg/kg)");
  lcd.print("    ");
  lcd.print("(kg/ha)");
  delay(2000);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("N:");
  lcd.print(NF);
  lcd.print("    ");
  lcd.print("N:");
  lcd.print(NFC);
  lcd.setCursor(0, 1);
  lcd.print("P:");
  lcd.print(PF);
  lcd.print("    ");
  lcd.print("P:");
  lcd.print(PFC);
  lcd.setCursor(0, 2);
  lcd.print("K:");
  lcd.print(KF);
  lcd.print("    ");
  lcd.print("K:");
  lcd.print(KFC);
  lcd.setCursor(0, 3);
  lcd.print("PH:");
  lcd.print(PHF);
  lcd.print("    ");
  lcd.print("PH:");
  lcd.print(PHF);
  delay(3000);

  
//Onion

  lcd.clear();
  lcd.setCursor(4, 0);
  lcd.print("N   ");
  lcd.print("P   ");
  lcd.print("K   ");
  lcd.print("PH  ");

  lcd.setCursor(0, 1);
  lcd.print("On:");

  if(Onion_N_min > NFC){
    Onion_N_D = NFC-Onion_N_min;
    int onionN = Onion_N_D;
    lcd.print(onionN);
    Onion_N_E = 0;
  }
  else {
    Onion_N_E = 1;//abundaant
   lcd.print(" /");
  }

  if(Onion_P_min > PFC){
    Onion_P_D = PFC-Onion_P_min;
    int onionP = Onion_P_D;
    lcd.print("  ");
    lcd.print(onionP);
    Onion_P_E = 0;
  }
  else {
    Onion_P_E = 1;//abundant
    lcd.print("   /");
  }

  if(Onion_K_min > KFC){
    Onion_K_D = KFC-Onion_K_min;
    int onionK = Onion_K_D;
    lcd.print("  ");
    lcd.print(onionK);
    Onion_K_E = 0;
  }
  else {
    Onion_K_E = 1;//abundant
    lcd.print("   /");
  }

  if(Onion_PH_min >= PHF && Onion_PH_max <= PHF){
    Onion_PH_E = 1; //abundant
    lcd.print("   ");
    lcd.print("/");
  }
  else {
    Onion_PH_E = 0; //deficient
    lcd.print("   ");
    lcd.print("X");
  }


//Corn

  lcd.setCursor(0, 2);
  lcd.print("Co:");

  if(Corn_N > NFC){
    Corn_N_D = NFC-Corn_N;
    int cornN = Corn_N_D;
    lcd.print(cornN);
    Corn_N_E = 0;
  }
  else {
    lcd.print(" /");
    Corn_N_E = 1;//abundant
  }

  if(Corn_P > PFC){
    Corn_P_D = PFC-Corn_P;
    int cornP = Corn_P_D;
    lcd.print("  ");
    lcd.print(cornP);
    Corn_P_E = 0;
  }
  else {
    lcd.print("   /");
    Corn_P_E = 1;//abundant
  }

  if(Corn_K > KFC){
    Corn_K_D = KFC-Corn_K;
    int cornK = Corn_K_D;
    lcd.print("  ");
    lcd.print(cornK);
    Corn_K_E = 0;
  }
  else {
    lcd.print("   /");
    Corn_K_E = 1;//abundant
  }

  if(Corn_PH_min >= PHF && Corn_PH_max <= PHF){
    Corn_PH_E = 1; //deficient
    lcd.print("   ");
    lcd.print("/");
  }
  else {
    Corn_PH_E = 0; //abundant
    lcd.print("   ");
    lcd.print("X");
  }

//Chili
  lcd.setCursor(0, 3);
  lcd.print("Ch:");

  if(Chili_N_min > NFC){
    Chili_N_D = NFC-Chili_N_min;
    int chiliN = Chili_N_D;
    lcd.print(chiliN);
    Chili_N_E = 0;
  }
  else {
    Chili_N_E = 1;//abundaant
   lcd.print(" /");
  }

  if(Chili_P_min > PFC){
    Chili_P_D = PFC-Chili_P_min;
    int chiliP = Chili_P_D;
    lcd.print("  ");
    lcd.print(chiliP);
    Chili_P_E = 0;
  }
  else {
    Chili_P_E = 1;//abundant
    lcd.print("   /");
  }

  if(Chili_K_min > KFC){
    Chili_K_D = KFC-Chili_K_min;
    int chiliK = Chili_K_D;
    lcd.print("  ");
    lcd.print(chiliK);
    Chili_K_E = 0;
  }
  else {
    Chili_K_E = 1;//abundant
    lcd.print("   /");
  }

  if(Chili_PH_min >= PHF && Chili_PH_max <= PHF){
    Chili_PH_E = 1; //abundant
    lcd.print("   ");
    lcd.print("/");
  }
  else {
    Chili_PH_E = 0; //deficient
    lcd.print("   ");
    lcd.print("X");
  }

//eggplant

  delay(3000);
  lcd.clear();
  lcd.setCursor(4, 0);
  lcd.print("N   ");
  lcd.print("P   ");
  lcd.print("K   ");
  lcd.print("PH  ");

  lcd.setCursor(0, 1);
  lcd.print("Eg:");

  if(Eggplant_N > NFC){
    Eggplant_N_D = NFC-Eggplant_N;
    int eggplantN = Eggplant_N_D;
    lcd.print(eggplantN);
    Eggplant_N_E = 0;
  }
  else {
    lcd.print(" /");
    Eggplant_N_E = 1;//abundant
  }

  if(Eggplant_P > PFC){
    Eggplant_P_D = PFC-Eggplant_P;
    int eggplantP = Eggplant_P_D;
    lcd.print(" ");
    lcd.print(eggplantP);
    Eggplant_P_E = 0;
  }
  else {
    lcd.print("   /");
    Eggplant_P_E = 1;//abundant
  }

  if(Eggplant_K > KFC){
    Eggplant_K_D = KFC-Eggplant_K;
    int eggplantK = Eggplant_K_D;
    lcd.print(" ");
    lcd.print(eggplantK);
    Eggplant_K_E = 0;
  }
  else {
    lcd.print("   /");
    Eggplant_K_E = 1;//abundant
  }

  if(Eggplant_PH_min >= PHF && Eggplant_PH_max <= PHF){
    Eggplant_PH_E = 1; //deficient
    lcd.print("   ");
    lcd.print("/");
  }
  else {
    Eggplant_PH_E = 0; //abundant
    lcd.print("   ");
    lcd.print("X");
  }

}