#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
#define TFT_DC 9
#define TFT_CS 10
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
int flow=1;
int tanklevel=0;
int negtanklevel=0;
int Oldtanklevel=0;
int barcolor=0xFFFF;
int play=1;

void setup() {
//-----------------------------------BLUE RIDGE HEADER WITH BORDER
  tft.begin();
  tft.setRotation(1);
  tft.setCursor(77, 3);
  tft.setTextColor(0x24FF);
  tft.setTextSize(1);
  tft.println("Blue Ridge Energy Services");
  tft.drawRoundRect(0,0,318,13,3,0x24FF);

  
//-------------------------------------------DRAW TANK BOX
  tft.drawRoundRect(15,20,31,200,5,ILI9341_WHITE);     
//--------------------------------------------100 PERCENT  
  tft.setCursor(47, 19);
  tft.setTextColor(ILI9341_WHITE);
  tft.println("-100%");
//---------------------------------------------75 PERCENT
tft.setCursor(47, 67);
  tft.setTextColor(ILI9341_WHITE);
  tft.println("-75%");
//---------------------------------------------50 PERCENT
tft.setCursor(47, 117);
  tft.setTextColor(ILI9341_WHITE);
  tft.println("-50%");
//---------------------------------------------25 PERCENT
tft.setCursor(47, 167);
  tft.setTextColor(ILI9341_WHITE);
  tft.println("-25%");
//----------------------------------------------0 PERCENT
tft.setCursor(47, 214);
  tft.setTextColor(ILI9341_WHITE);
  tft.println("-0%");
  tft.setCursor(5, 228);
  tft.setTextColor(ILI9341_YELLOW);
  tft.setTextSize(1);
  tft.println("Tank Level=  ");
  tft.setCursor (175, 228);
  tft.setTextColor(ILI9341_YELLOW);
  tft.println("Flow Rate= ");

 //------------------------------------------DRAW FLOW RATE ICON

 tft.drawCircle(205,150,21,ILI9341_WHITE); 
 tft.drawCircle(205,150,9,ILI9341_WHITE); 
 tft.drawRect(210,129,30,5,ILI9341_WHITE);
 tft.drawLine(210,141,239,141,ILI9341_WHITE); //------------CLOSED PUMP GRAPHIC
 //tft.drawLine(225,141,239,141,ILI9341_WHITE); //---------OPEN PUMP GRAPHIC
 tft.drawRoundRect(239,127,5,18,3,ILI9341_WHITE);
 tft.fillRect(210,130,30,11,ILI9341_BLACK);



}

void loop() {

//------------------------------------------------CLEAR OLD PROGRESS IF VALUE HAS CHANGED
  if(Oldtanklevel!=tanklevel){    
  tft.fillRect(74,226,35,20,ILI9341_BLACK);  
  }
tanklevel=analogRead(A0);
negtanklevel=(1023-tanklevel);

tft.fillRect(18,217,25,map(tanklevel,0,1023,0,-196),barcolor); //-----TANK LEVEL PROGRESS BAR
delay(20);
tft.fillRect(18,21,25,map(negtanklevel,0,1023,0,196),ILI9341_BLACK); //----REFRESH PIXELS FOR PROGRESS BAR
  
  //--------------------------------------------------BAR COLOR TOGGLE
   if(tanklevel>769){
    barcolor=(ILI9341_GREEN);
  }
  if(tanklevel>504 && tanklevel<769){
    barcolor=(ILI9341_YELLOW);
  }
   if(tanklevel>240 && tanklevel<504 ){
    barcolor=(ILI9341_ORANGE);
  }
   if(tanklevel<240){
    barcolor=(ILI9341_RED);
  }
  
//---------------------------------------------------CLEAR OLD PROGRESS IF VALUE HAS CHANGED
  if(Oldtanklevel!=tanklevel){    
  tft.fillRect(74,226,35,20,ILI9341_BLACK); 
  }


//---------------------------------------------------- DISPLAY NUMERIC TANK LEVEL IN FT
tft.setCursor (75, 228);
tft.setTextColor(ILI9341_YELLOW);
tft.println(tanklevel);
Oldtanklevel=analogRead(A0);

 //-----------------------------------------------------FLOW ANIMATION
 if(flow >0){ 

//--------------------------------------------------------STEP 1
if(play<2){
   tft.drawLine(198,146,212,154,ILI9341_BLACK);
   tft.drawLine(209,143,201,157,ILI9341_BLACK);
   tft.drawLine(203,142,207,158,ILI9341_BLACK);
   tft.drawLine(197,152,213,148,ILI9341_BLACK);

   tft.drawLine(197,150,213,150,0xFF5A);
   tft.drawLine(205,142,205,158,0xFF5A);
   tft.drawLine(199,144,211,156,0xFF5A);
   tft.drawLine(199,156,211,144,0xFF5A);  
}

//--------------------------------------------------------STEP 2 
        if(play>1 && play<3){
   tft.drawLine(197,150,213,150,ILI9341_BLACK);
   tft.drawLine(205,142,205,158,ILI9341_BLACK);
   tft.drawLine(199,144,211,156,ILI9341_BLACK);
   tft.drawLine(199,156,211,144,ILI9341_BLACK);

   tft.drawLine(197,148,213,152,0xFF5A);
   tft.drawLine(207,142,203,158,0xFF5A);
   tft.drawLine(201,143,209,157,0xFF5A);
   tft.drawLine(198,154,212,146,0xFF5A); 
}
//--------------------------------------------------------STEP 3
   if (play>2 && play<4){
   tft.drawLine(197,148,213,152,ILI9341_BLACK);
   tft.drawLine(207,142,203,158,ILI9341_BLACK);
   tft.drawLine(201,143,209,157,ILI9341_BLACK);
   tft.drawLine(198,154,212,146,ILI9341_BLACK);

   tft.drawLine(198,146,212,154,0xFF5A);
   tft.drawLine(209,143,201,157,0xFF5A);
   tft.drawLine(203,142,207,158,0xFF5A);
   tft.drawLine(197,152,213,148,0xFF5A);
   play=0;
}   
}else{
   tft.drawLine(197,150,213,150,0xFF5A);
   tft.drawLine(205,142,205,158,0xFF5A);
   tft.drawLine(199,144,211,156,0xFF5A);
   tft.drawLine(199,156,211,144,0xFF5A);
  }
   play=play+1;
} // ----------------------------------------------------END LOOP