#include "Adafruit_NeoPixel.h"
#include "TM1637Display.h"
// #include "WiFiManager.h"
#include "NTPClient.h"
//#include <FastLED.h>


// Which pin on the Arduino is connected to the NeoPixels?
#define PIN        19  //Era 5 // Strip led DIN

#define red_CLK 4 //Era 16 - DISPLAY
#define red1_DIO 5 //Era 17 - DISPLAY 1
#define red2_DIO 6 //Era 18 - DISPLAY 2
#define red3_DIO 7 //Era 19 - DISPLAY 3

// #define AM 8 //Era 32
// #define PM 9 //Era 33

// How many NeoPixels are attached to the Arduino?
#define NUMPIXELS 16 // Numero total de LEDs

bool res;
int var=0;
int analogPin = 3; //Era 34 - SWITCH
const long utcOffsetInSeconds = 3600; // Offset in second
int Hour = 0;

//========================USEFUL VARIABLES=============================
int UTC = -3; // UTC + value in hour - Summer time
int Display_backlight = 3; // Set displays brightness 0 to 7;

// const char *ssid     = "VIRLT_2.4g"; 
// const char *password = "vIrlt#B026@274E";

//======================================================================


// When setting up the NeoPixel library, we tell it how many pixels,
Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
// Setup the red displays
TM1637Display red1(red_CLK, red1_DIO);
TM1637Display red2(red_CLK, red2_DIO);
TM1637Display red3(red_CLK, red3_DIO);

// WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, "pool.ntp.org", utcOffsetInSeconds*UTC);

// #define NUM_LEDS 36
// CRGB leds[NUM_LEDS];


void setup() {


// FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);


  pinMode(PIN, OUTPUT);
  pinMode(red_CLK, OUTPUT);
  pinMode(red1_DIO, OUTPUT);
  pinMode(red2_DIO, OUTPUT);
  pinMode(red3_DIO, OUTPUT);
  pinMode(AM, OUTPUT);
  pinMode(PM, OUTPUT);

  pinMode(analogPin, INPUT);
  //manager.resetSettings();

  Serial.begin(9600);
  
  // WiFi.begin(ssid, password);

  // while ( WiFi.status() != WL_CONNECTED ) {
  //   delay ( 500 );
  //   Serial.print ( "." );
  // }

  timeClient.begin();

  red1.setBrightness(Display_backlight);
  red2.setBrightness(Display_backlight);
  red3.setBrightness(Display_backlight);
  pixels.setBrightness(250);
  
}

void loop() {

  timeClient.update();
  Serial.print("Time: ");
  Serial.println(timeClient.getFormattedTime());
  unsigned long epochTime = timeClient.getEpochTime();
  struct tm *ptm = gmtime ((time_t *)&epochTime); 
  int currentYear = ptm->tm_year+1900;
  Serial.print("Year: ");
  Serial.println(currentYear);
  
  int monthDay = ptm->tm_mday;
  Serial.print("Month day: ");
  Serial.println(monthDay);

  int currentMonth = ptm->tm_mon+1;
  Serial.print("Month: ");
  Serial.println(currentMonth);
     if (timeClient.getHours() == 0)
  { 
    Hour = 12;
    Serial.write(" =0");
  }

  else if (timeClient.getHours() == 12)
  { 
    Hour = timeClient.getHours();
    Serial.write(" =12");
  }
  
  else if (timeClient.getHours() >= 13) {
    Hour = timeClient.getHours() - 12;
    Serial.write(" >=13");
  }

  else {
    Hour = timeClient.getHours();
  }
  
// Secs = timeClient.getMinutes();
// Test = Secs/60
// if (Test==even)
//   red3.showNumberDecEx(Hour,0b01000000,true,2,0);
// else ()
//   red3.showNumberDecEx(Hour,0b01000000,false,2,0);
// endif;

red1.showNumberDecEx(monthDay,0b01000000,true,2,0); //era 2,2 Inversão de mes_dia para dia_mes
red1.showNumberDecEx(currentMonth,0b01000000,true,2,2); //era 2,0 Inversão de mes_dia para dia_mes
red2.showNumberDecEx(currentYear,0b00000000,true);
// Teste blink
red3.showNumberDecEx(Hour,0b01000000,true,2,0);
red3.showNumberDecEx(timeClient.getMinutes(),0b01000000,true,2,2);
delay(1000) // Deletar caso teste errado
red3.showNumberDec(Hour, true); // Deletar caso teste errado


if(timeClient.getHours()>=13){
  digitalWrite(AM,0);
  digitalWrite(PM,1);}
  
else if(timeClient.getHours()==12){
  digitalWrite(AM,0);
  digitalWrite(PM,1);}

else{
  digitalWrite(AM,1);
  digitalWrite(PM,0);}


  pixels.clear(); // Set all pixel colors to 'off'
  
  if(var>3){var = 0;} // Reset counter

// read the switch
  if(analogRead(analogPin) > 100)
  { 
    var = var+1 ;
    delay(45);
  }

Serial.print("Var=");
Serial.println(var);
Serial.print("Digital=");
Serial.println(analogRead(analogPin));

delay(100); // 6>12, 12>24 e 18>36
  switch (var) {
  case 0: 
  for(int i=0; i<15;i++){
  pixels.setPixelColor(i, pixels.Color(255,0,0));
  }
  for(int i=5; i<10;i++){
  pixels.setPixelColor(i, pixels.Color(255,240,0)); //era 160,160,0
  }
  for(int i=10; i<16;i++){
  pixels.setPixelColor(i, pixels.Color(255,0,0));
  }
  pixels.show();
  break;

  case 1:
    for(int i=0; i<5;i++){
  pixels.setPixelColor(i, pixels.Color(0,0,255));
  }
  for(int i=5; i<10;i++){
  pixels.setPixelColor(i, pixels.Color(200,250,255));

  }
  for(int i=10; i<16;i++){
  pixels.setPixelColor(i, pixels.Color(0,0,255));
  }
 pixels.show();
 break;

 case 2:
  pixels.clear();
  for(int i=0; i<5;i++){
  pixels.setPixelColor(i, pixels.Color(255,0,10));
  }
    for(int i=5; i<10;i++){
  pixels.setPixelColor(i, pixels.Color(0,10,255));
  }
    for(int i=10; i<16;i++){
  pixels.setPixelColor(i, pixels.Color(255,0,10));
  }
 pixels.show();
 break;

case 3:
  pixels.clear();
  for(int i=0; i<36;i++){ //era 16
  pixels.setPixelColor(i, pixels.Color(0,0,0));
  }
 pixels.show();
 break;

  }



}