#include <FastLED.h>
#include <SevSeg.h>
#include "Button.h"
#include "Clock.h"
#include "config.h"

#define NUM_LEDS  140
#define LED_PIN   2

#define purple CRGB(0x8010ff)    // Purple
#define green CRGB(0x00ff00)     // Green
#define gold CRGB(0xffd700)      // Gold
#define white CRGB(0xffffff)     // White
#define red CRGB(0xff0000)       // Red
#define blue CRGB(0x0000ff)      // Blue
#define orange CRGB(0xff8c00)    // Orange
#define lightblue CRGB(0x33ffff) // Lightblue

CRGB streakcolor=white;
int colorStatus=0;


const int COLON_PIN = 13;
int hour_current_status=99;

CRGB leds[NUM_LEDS];

Button hourButton(A0);
Button minuteButton(A1);
Button modalityButton(A2);
Button luminosityButton(A3);

Clock clock;
SevSeg sevseg;

int val;

int modality = 0;

int inputPin = 3; 

int current_h_am=99;
int current_h_pm=99;
int end_m=-99;
int minStatus=0;

int h_start_e = 139; 
int h_start_sono = 135;
int h_start_le=132;
int h_start_luna=128;
int h_start_due=71;
int h_start_tre=113;
int h_start_quattro=116;
int h_start_cinque=106;
int h_start_sei=124;
int h_start_sette=94;
int h_start_otto=85;
int h_start_nove=74;
int h_start_dieci=89;
int h_start_undici=100;
int h_start_dodici=79;

int m_start_e=58;
int m_start_un=60;
int m_start_dieci=52;
int m_start_quarto=64;
int m_start_venti=38;
int m_start_trenta=23;
int m_start_quaranta=43;
int m_start_cinquanta=29;
int m_start_cinque=15;

int lumens=35;

char charMinute;
char charSecond;
int intMinute;
int intSecond;

enum DisplayState {
  DisplayClock,
};

DisplayState displayState = DisplayClock;
long lastStateChange = 0;

void changeDisplayState(DisplayState newValue) {
  displayState = newValue;
  lastStateChange = millis();
}

long millisSinceStateChange() {
  return millis() - lastStateChange;
}

void setColon(bool value) {
  digitalWrite(COLON_PIN, value ? LOW : HIGH);
}

void clockState() {
  if (hourButton.pressed()) {
    clock.incrementHour();
  }
  if (minuteButton.pressed()) {
    clock.incrementMinute();
  }
  if (modalityButton.pressed()) {
    switch (modality){
    case 0:
      modality=1;
      FastLED.setBrightness(0);
      FastLED.show();
    break;
    case 1:
      modality=0;
      FastLED.setBrightness(lumens);
      FastLED.show();
    break;
    }
  }
  if (luminosityButton.pressed()) {

    switch (lumens){
    case 5:
      if(streakcolor==purple)
      {
        streakcolor=green;
        updateLedStripColor(streakcolor);
      }
      else if(streakcolor==green)
      {
        streakcolor=gold;
        updateLedStripColor(streakcolor);
      } 
      else if(streakcolor==gold)
      {
        streakcolor=white;
        updateLedStripColor(streakcolor);
      }
      else if(streakcolor==white)
      {
        streakcolor=red;
        updateLedStripColor(streakcolor);
      }
      else if(streakcolor==red)
      {
        streakcolor=blue;
        updateLedStripColor(streakcolor);
      }
      else if(streakcolor==blue)
      {
        streakcolor=orange;
        updateLedStripColor(streakcolor);
      }
      else if(streakcolor==orange)
      {
        streakcolor=purple;
        updateLedStripColor(streakcolor);
      }
      lumens=10;
    break;

    case 10:
      lumens=15;
    break;

    case 15:
      lumens=20;
    break;

    case 20:
      lumens=25;
    break;

    case 25:
      lumens=30;
    break;
    
    case 30:
      lumens=35;
    break;
    
    case 35:
      lumens=5;
    break;
    } 
    FastLED.setBrightness(lumens);
    FastLED.show(); 
  }
  if (modality==1)  { 
    val = digitalRead(inputPin);
    if (val == HIGH)  {
      FastLED.setBrightness(lumens);
      FastLED.show();
    }
    if (val == LOW)  {
      FastLED.setBrightness(0);
      FastLED.show();
    } 
  }
}

void setup() {
  FastLED.addLeds<WS2812B, LED_PIN, GRB>(leds, NUM_LEDS);
  FastLED.setBrightness(lumens);

  Serial.begin(115200);

  clock.begin();
  
  hourButton.begin();
  hourButton.set_repeat(500, 200);

  minuteButton.begin();
  minuteButton.set_repeat(500, 200);

  modalityButton.begin();
  modalityButton.set_repeat(500, 200);

  luminosityButton.begin();
  luminosityButton.set_repeat(500, 200);

  pinMode(inputPin, INPUT);
  pinMode(COLON_PIN, OUTPUT);
  byte digits = 4;
  byte digitPins[] = {2, 3, 4, 5};
  byte segmentPins[] = {6, 7, 8, 9, 10, 11, 12};
  bool resistorsOnSegments = false;
  bool updateWithDelays = false;
  bool leadingZeros = true;
  bool disableDecPoint = true;
}

////////////////////////////////////////////START HERE////////////////////////////////////////

void loop() {
  clockState();
  showTimeOnLedStrip();
}

void showTimeOnLedStrip()  {
  DateTime now = clock.now();
  String stringMinute = String(now.minute());
  intSecond=now.second();

  if(intSecond<30)  {
      updateLedStripOff(10,3);
  }
  if(intSecond>=30)  {
      updateLedStripOn(10,3);
  }

  intMinute = charMinute - '0';
  int minutesLen=stringMinute.length();
  if (minutesLen<2)  {
      charMinute = stringMinute[0];
    }
  else  {
      charMinute = stringMinute[1];
    }
  intMinute = charMinute - '0';

  if(minStatus!=intMinute)
    {
    if(intMinute==0 or intMinute==5)  {
      //updateLedStriOff(127,1);
      updateLedStripOff(1,1);
      updateLedStripOff(2,1);
      updateLedStripOff(4,1);
      updateLedStripOff(6,1);
      updateLedStripOff(8,1);
      minStatus=0;  
    }
    if(intMinute==1 or intMinute==6)  {
      updateLedStripOn(1,1);
      updateLedStripOn(2,1);
      minStatus=1; 
    }
    if(intMinute==2 or intMinute==7)  {
      updateLedStripOn(1,1);
      updateLedStripOn(4,1);
      minStatus=2; 
    }
    if(intMinute==3 or intMinute==8)  {
      updateLedStripOn(1,1);
      updateLedStripOn(6,1);
      minStatus=3; 
    }
    if(intMinute==4 or intMinute==9)  {
      updateLedStripOn(1,1);
      updateLedStripOn(8,1);
      minStatus=intMinute; 
    }
  }

  if (now.hour()!=current_h_am and now.hour()!=current_h_pm)  {
    if (now.hour()==1 or now.hour()==13) {
      updateLedStripOff(h_start_dodici,6);
      updateLedStripOff(h_start_sono,4);
      updateLedStripOff(h_start_le,2);
      updateLedStripOn(h_start_e,1);
      updateLedStripOn(h_start_luna,4);
      current_h_am=1;
      current_h_pm=13;
    }
    if (now.hour()==2 or now.hour()==14) {
      updateLedStripOff(h_start_e,1);
      updateLedStripOff(h_start_luna,4);
      updateLedStripOn(h_start_sono,4);
      updateLedStripOn(h_start_le,2);
      updateLedStripOn(h_start_due,3);
      current_h_am=2;
      current_h_pm=14;
    }
    if (now.hour()==3 or now.hour()==15) {
      updateLedStripOff(h_start_due,3);
      updateLedStripOn(h_start_tre,3);
      current_h_am=3;
      current_h_pm=15;
    }
    if (now.hour()==4 or now.hour()==16) {
      updateLedStripOff(h_start_tre,3);
      updateLedStripOn(h_start_quattro,7);
      current_h_am=4;
      current_h_pm=16;
    }
    if (now.hour()==5 or now.hour()==17) {
      updateLedStripOff(h_start_quattro,7);
      updateLedStripOn(h_start_cinque,6);
      current_h_am=5;
      current_h_pm=17;
    }
    if (now.hour()==6 or now.hour()==18) {
      updateLedStripOff(h_start_cinque,6);
      updateLedStripOn(h_start_sei,3);
      current_h_am=6;
      current_h_pm=18;
    }
    if (now.hour()==7 or now.hour()==19) {
      updateLedStripOff(h_start_sei,3);
      updateLedStripOn(h_start_sette,5);
      current_h_am=7;
      current_h_pm=19;
    }
    if (now.hour()==8 or now.hour()==20) {
      updateLedStripOff(h_start_sette,5);
      updateLedStripOn(h_start_otto,4);
      current_h_am=8;
      current_h_pm=20;
    }
    if (now.hour()==9 or now.hour()==21) {
      updateLedStripOff(h_start_otto,4);
      updateLedStripOn(h_start_nove,4);
      current_h_am=9;
      current_h_pm=21;
    }
    if (now.hour()==10 or now.hour()==22) {
      updateLedStripOff(h_start_nove,4);
      updateLedStripOn(h_start_dieci,5);
      current_h_am=10;
      current_h_pm=22;
    }
    if (now.hour()==11 or now.hour()==23) {
      updateLedStripOff(h_start_dieci,5);
      updateLedStripOn(h_start_undici,6);
      current_h_am=11;
      current_h_pm=23;
    }
    if (now.hour()==12 or now.hour()==0) {
      updateLedStripOff(h_start_undici,6);
      updateLedStripOn(h_start_dodici,6);
      current_h_am=12;
      current_h_pm=0;
    }
  }
  if(now.minute()>=end_m or end_m==59)  {
    if (now.minute()>=0 and now.minute()<5) {
        updateLedStripOff(m_start_cinquanta,9);
        updateLedStripOff(m_start_cinque,6);
        updateLedStripOff(m_start_e,1);
        end_m=5;
    }
    if (now.minute()>=5 and now.minute()<10) {
      updateLedStripOn(m_start_e,1);
      updateLedStripOn(m_start_cinque,6);
      end_m=10;
    }
    if (now.minute()>=10 and now.minute()<15) {
      updateLedStripOn(m_start_e,1);
      updateLedStripOff(m_start_cinque,6);
      updateLedStripOn(m_start_dieci,5);
      end_m=15;
    }
    if (now.minute()>=15 and now.minute()<20) {
      updateLedStripOn(m_start_e,1);
      updateLedStripOff(m_start_dieci,5);
      updateLedStripOn(m_start_un,2);
      updateLedStripOn(m_start_quarto,6);
      end_m=20;
    }
    if (now.minute()>=20 and now.minute()<25) {
      updateLedStripOn(m_start_e,1);
      updateLedStripOff(m_start_un,2);
      updateLedStripOff(m_start_quarto,6);
      updateLedStripOn(m_start_venti,5);
      end_m=25;
    }
    if (now.minute()>=25 and now.minute()<30) {
      updateLedStripOn(m_start_e,1);
      updateLedStripOn(m_start_cinque,6);
      end_m=30;
    }
    if (now.minute()>=30 and now.minute()<35) {
      updateLedStripOn(m_start_e,1);
      updateLedStripOff(m_start_venti,5);
      updateLedStripOff(m_start_cinque,6);
      updateLedStripOn(m_start_trenta,6);
      end_m=35;
    }
    if (now.minute()>=35 and now.minute()<40) {
      updateLedStripOn(m_start_e,1);
      updateLedStripOn(m_start_cinque,6);
      end_m=40;
    }
    if (now.minute()>=40 and now.minute()<45) {
      updateLedStripOn(m_start_e,1);
      updateLedStripOff(m_start_trenta,6);
      updateLedStripOff(m_start_cinque,6);
      updateLedStripOn(m_start_quaranta,8);
      end_m=45;
    }
    if (now.minute()>=45 and now.minute()<50) {
      updateLedStripOn(m_start_e,1);
      updateLedStripOn(m_start_cinque,6);
      end_m=50;
    }
    if (now.minute()>=50 and now.minute()<55) {
      updateLedStripOn(m_start_e,1);
      updateLedStripOff(m_start_quaranta,8);
      updateLedStripOff(m_start_cinque,6);
      updateLedStripOn(m_start_cinquanta,9);
      end_m=55;
    }
    if (now.minute()>=55 and now.minute()<=59) {
      updateLedStripOn(m_start_e,1);
      updateLedStripOn(m_start_cinque,6);
      end_m=59;
    }
  }
}  

void updateLedStripOn(int start_at, int lenght)  {
  int n;
  for(n=start_at;n<start_at+lenght;n+=1)  {
    leds[n] = streakcolor;
    FastLED.show();
  }   
}

void updateLedStripOff(int start_at, int lenght)  {
  int n;
  for(n=start_at;n<start_at+lenght;n+=1)  {
    leds[n] = CRGB::Black;
    FastLED.show(); 
  }
}

void updateLedStripColor(CRGB streakcolor){
  int n;
  for(n=0;n<140;n+=1)  {
    leds[n] = CRGB::Black;
    
  }
  current_h_am=99;
  current_h_pm=99;
  end_m=-99;
  minStatus=0;
  FastLED.show(); 
}