#include <stdio.h>
#include <string.h>
#include "Keypad.h"


using namespace std;

const uint8_t ROWS = 4;
const uint8_t COLS = 4;
char keys[ROWS][COLS] = {
  { '1', '2', '3', 'A' },
  { '4', '5', '6', 'B' },
  { '7', '8', '9', 'C' },
  { '*', '0', '#', 'D' }
};

uint8_t colPins[COLS] = { A0, A1, A2, A3 }; // Pins connected to C1, C2, C3, C4
uint8_t rowPins[ROWS] = { 13, 12, 11, 10 }; // Pins connected to R1, R2, R3, R4

Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);

char buttonpressed;

int tempcounter = 0;

int temptemptempresult1;

char tempresult;

String finalresult;

String tempfinalresult1;
String tempfinalresult2;
String tempfinalresult3;

int finalresult1;
int finalresult2;
int finalresult3;

String tempcheck1;
String tempcheck2;
String tempcheck3;

int tempconfirm;

int tempconfirm1;
int tempconfirm2;
int tempconfirm3;


int ledred = 3;
int ledgreen = 5;
int ledblue = 6;

int red;
int green;
int blue;

int redinput;
int greeninput;
int blueinput;

int mappedred;
int mappedgreen;
int mappedblue;



void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);

  pinMode(red, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(blue, OUTPUT);

  tempconfirm = 1;


  mmt();
}

void loop() {
  // put your main code here, to run repeatedly:
  /*red = redinput;
  green = greeninput;
  blue = blueinput;

  mappedred = (map(red, 0, 1023, 0, 255));
  mappedgreen = (map(green, 0, 1023, 0, 255));
  mappedblue = (map(blue, 0, 1023, 0, 255));

  analogWrite(ledred, mappedred);
  analogWrite(ledgreen, mappedgreen);
  analogWrite(ledblue, mappedblue);

  Serial.print("red = ");
  Serial.print(mappedred);
  Serial.print(" ");
  Serial.print("green = ");
  Serial.print(mappedgreen);
  Serial.print(" ");
  Serial.print("blue = ");
  Serial.println(mappedblue);*/

    
  char key = keypad.getKey();

  if (key == 'A' || buttonpressed == 'A') {
    clrserialmonitor();
    buttonpressed = 'A';
    while (buttonpressed == 'A'){
      char key = keypad.getKey();
      delay(10);
      if(tempconfirm == 1 && key != NO_KEY && key != '*' && key != 'A' && key != 'B' && key != 'C' && key != 'D' && key != '#' && key != '0'){
        char tempstring = key;
        int tempcheck1 = tempstring - '0';
        int result1 = tempcheck1;

        char temptempresult = tempresult;
        char tempresult = temptempresult + result1;

        int finaltempresult = tempresult;

        tempcounter += 1;

        char tempcountuper;
    
        Serial.println(result1);
        Serial.println(tempcounter);
        
        
        
        tempfinalresult1 += key;
        char tempchar = key;
        int temptempcheck1 = tempchar - '0';
        int temptemptempresult1 = temptempcheck1;

        Serial.println(temptemptempresult1);
        /*char finalresult1 = tempfinalresult1;*/

        
        delay(20);
        if(temptemptempresult1 < 255 && tempcounter == 3){
          Serial.println(tempfinalresult1);
          buttonpressed = ' ';
        }
        if(temptemptempresult1 > 255 && tempcounter == 3){
          Serial.println("over 255");
          buttonpressed = ' ';
        }
      }









      if(tempconfirm1 == 2 && key != NO_KEY && key != '*' && key != 'A' && key != 'B' && key != 'C' && key != 'D' && key != '#' && key != '0'){
        char tempstring = key;
        Serial.println(key);
      }
      if(key != NO_KEY && key != '*' && key != 'A' && key != 'B' && key != 'C' && key != 'D' && key != '#' && key != '0'){
        char tempstring = key;
      }
      if(key == '*'){
        buttonpressed = ' ';
        Serial.print("canceling");
        for(int i=0;i<3;i++){
          Serial.print(".");
          delay(1000);
        }
        Serial.println(" ");
        mmt();
      }
      
    }
  }
  if (key == 'B') {
    Serial.println(key);
  }
  if (key == 'C') {
    Serial.println(key);
  }
  
}


void mmt(void){
  clrserialmonitor();
  Serial.println("please press one of the following options");
  Serial.println("A for changing Red color");
  Serial.println("B for changing Green color");
  Serial.println("C for changing Blue color");
}

void clrserialmonitor(void){
  Serial.println("");
  Serial.println("");
  Serial.println("");
  Serial.println("");
  Serial.println("");
  Serial.println("");
  Serial.println("");
  Serial.println("");
  Serial.println("");
  Serial.println("");
  Serial.println("");
  Serial.println("");
  
}