#include <Adafruit_NeoPixel.h>                                          // plugin for the Neopixel library

int dataPin = 13;                            //what pin dose the LED data cable connect to on the board eg.D6

#define numberOfPixels  2                  //how meny NeoPixels are on the Led strip

#define maximumBrightness 255               //the maximum brightness of the pixel is 255 
                                            //any higher you will damagethem, lower the brightness to increase batttry life

Adafruit_NeoPixel ledStrip = Adafruit_NeoPixel(numberOfPixels, dataPin); //over here we are telling the controller that we have a "ledStrip" 
 int Pot = A0;                //What pin is the pot on.
int PotVal = 0;                // Set pot to 0                                                        //that has amount of pixels "numberOfPixels" eg 255
                                                                         //connected to pin "dataPin" on the board eg 6

void setup() 
  {
      ledStrip.begin();                             // This tells the led strip to wakeup becouse its going to do things now.
      Serial.begin(9600);
  }


void loop() 
  {

   //customLight();
   PotVal = analogRead(Pot); 
  Serial.println(PotVal);
  
  int mode = map(PotVal, 0, 1023, 0, 7);                                  //this calls the "customLight" method 
   
   switch (mode) {
case 0:
  
    setLightsToColour(0,0,255);
    Serial.print("Tank Is Good");
    Serial.print(",POT Value: ");
   
   
   break;
   
  case 1:
  
    setLightsToColour(51,221,255);
    Serial.print("Water Level too low");
    Serial.print(",POT Value: ");
    
    
   break;
   case 2:
  
    setLightsToColour(247,255,28);
    Serial.print("Alk Too low");
    Serial.print(",POT Value: ");
   
    
   break;
   case 3:
  
    setLightsToColour(255,0,0);
    Serial.print("Alk too high");
    Serial.print(",POT Value: ");
   
    
   break;
   case 4:
  
    setLightsToColour(255,0,0);
    Serial.print("Tank Is Good");
    Serial.print(",POT Value: ");
    
    
   break;
   case 5:
  
    setLightsToColour(255,0,0);
    Serial.print("Tank Is Good");
    Serial.print(",POT Value: ");
    
    
    break;
   case 6:
  
    setLightsToColour(255,140,25);
    Serial.print("Tank Is Good");
    Serial.print(",POT Value: ");
    
    
   break;

      default:
      
      ledStrip.setPixelColor(0, ledStrip.Color(255, 0, 0));
  ledStrip.show();
  delay(500);
  ledStrip.setPixelColor(0, ledStrip.Color(0, 0, 0));
  ledStrip.show();
  delay(500);
      Serial.println("Emergncy");
      
  }
  


//void customLight()                                     // this is the "customLight" method, think of it as some type of box that groups tasks together
 // {
 //   setLightsToColour(25,200,20);                       // this is calling the "SetLightsToColour" method,it needs to know how much Red ,Blue and Green Light 
                                                       // to add to each pixel this is known as RGB colour so we are sending it.(255 red,200 green,0 blue)
 // }                                                  


  }

void setLightsToColour(int red, int green, int blue)                       //this is the "setLightsToColour" method, it needs 3 values for (red,green,blue) so it knows how much to add to each one
  {
     for (uint8_t i = 0; i < numberOfPixels; i++)                          // this makes sure that every pixel gets its colour changed from 0 to "numberOfPixels"
     {
        ledStrip.setPixelColor(i, ledStrip.Color(red, green, blue));       // this is telling the led pixel to change its red green blue to what you have given "setLightToColour()" method
       
     }
     
     ledStrip.show();                                                      // this tells the ledStrip to show the changes 
  }