#include <CapacitiveSensor.h>

CapacitiveSensor sensor1 = CapacitiveSensor(7,6);   // Capacitive sensor library with send pin set to 7 and receive pin set to 6
// CapacitiveSensor sensor2 = CapacitiveSensor(7,9);
int led = 11;   // Light output through pin 11
int groundHigh = 10000;  //the threshold for triggering the capative sensor
int Time = 200; // Time delay of 1/5 of a second
int toggle = 0; // On-off value
int brightness = 255; // led brightness value
int dimmerTrigger = 0; //a cycle count value for a trigger to fade the light
int x = 0;
int Fading = 0; // value for fading bright or dim

void setup()                    
{
  pinMode(led, OUTPUT);     // Set pin 11 (for the light) to output
  Serial.begin(9600);       // Set the serial port rate
}

void loop()                    
{
   long total1 =  sensor1.capacitiveSensorRaw(3); // read the sensor and assign value to total1
   Serial.print(total1);
   Serial.print(" , ");
   Serial.println(brightness);     // print sensor and brightness output 

   if(total1 > groundHigh){  // If sensor reads above the threshold
     if(toggle == 0){        // and the toggle value is off 
        analogWrite(led, brightness);  // Turn on the light
        toggle = 1;                     // Set toggle value to on
        delay(Time);  
     }else{
        analogWrite(led, 0);          // Otherwise turn off the light
        toggle = 0;                    // Set toggle value to 
       delay(Time); 
     }
  }
delay(50);

  if(total1 < groundHigh){    // If threshold is not held
      dimmerTrigger = 0;      // reset the counter
      Time = 200;
  }else{
    dimmerTrigger++;        // Otherwise if trigger is held 
    if(dimmerTrigger == 1){ // Add to the counter
      Time = 150;
    }  
  }
  
  if(dimmerTrigger == 4){    // If held for 4 cycles
    x = 0;
    while(x < 20){           // Start fading cycle, If value reaches 20 break the loop
          long total1 =  sensor1.capacitiveSensorRaw(3);  // Read sensor
             Serial.print(total1);        // Print sensor and brightness data
             Serial.print(" , ");
             Serial.println(brightness);
          if(total1 > groundHigh){        // If trigger is held
           x = 0;                         //  reset cycle count
          if(Fading == 1){                // If brightness was last set to 0
            brightness = brightness + 10; // start fading on
            // x = 0;  
            if(brightness > 255){
              brightness = 255;            // Cap at 255 for full brightness
            } 
          }else{                           // Otherwise if Fading is last set to full
            brightness = brightness - 10;  // Dim the brightness
            if(brightness < 0){            
              brightness = 0;              // Cap the reduction to 0
            }
          }
          }  
          if(brightness == 0){
            Fading = 1;                    // Toggle Fading to 1 if last brightness was last set to 0 
          }
          if(brightness == 255){
            Fading = 0;                    // Toggle Fading to 1 if last brightness was last set to 255
          }
          analogWrite(led, brightness);    // Set the light to the new value in the Fade cycle
          x++;                             // Count the fade cycle
          delay(100);                      // Delay to 1/10 of a second so you can see the fading
    }
  analogWrite(led, 0);                     // Let you know the fading loop has ended by blinking the light 
  delay(100);
  analogWrite(led, brightness);            // on
  delay(100);
  analogWrite(led, 0);                     // off
  delay(100);
  analogWrite(led, brightness);            // on
  dimmerTrigger = 0;
  }  
}