#include <Arduino.h>
#include <TM1637Display.h>

#define CLK 22
#define DIO 21

const uint8_t SEG_J[] = {
	SEG_A | SEG_B | SEG_C | SEG_D | SEG_E,        //J
};
const uint8_t SEG_U[] = {
	SEG_B | SEG_C | SEG_D | SEG_E | SEG_F,        //U
};
const uint8_t SEG_N[] = {
	SEG_A | SEG_B | SEG_C | SEG_E | SEG_F,        //n
};
const uint8_t SEG_I[] = {
	SEG_B | SEG_C,                                //I
};
const uint8_t SEG_O[] = {
	SEG_A | SEG_B | SEG_C | SEG_D | SEG_E | SEG_F,//O
};
const uint8_t SEG_R[] = {
	SEG_A | SEG_E | SEG_F,                        //r
};
const uint8_t SEG_[] = {
	
};

const uint8_t SEG_PLAY[] = {
	SEG_A | SEG_B | SEG_E | SEG_F | SEG_G,          // P
	SEG_D | SEG_E | SEG_F,                          // L
	SEG_A | SEG_B | SEG_C | SEG_E | SEG_F | SEG_G,  // A
	SEG_B | SEG_C | SEG_D | SEG_F | SEG_G           // Y
};

const uint8_t SEG_STOP[] = {
	SEG_A | SEG_C | SEG_D | SEG_F | SEG_G,          // S
	SEG_D | SEG_E | SEG_F | SEG_G,                  // T
	SEG_A | SEG_B | SEG_C | SEG_D | SEG_E | SEG_F,  // O
	SEG_A | SEG_B | SEG_E | SEG_F | SEG_G,          // P
};

const uint8_t SEG_TP[] = {
	SEG_D | SEG_E | SEG_F | SEG_G,                  // T
	SEG_A | SEG_B | SEG_E | SEG_F | SEG_G,          // P
};

const uint8_t SEG_MIN[] = {
	SEG_G,                  // -
};

const uint8_t SEG_GARIS[] = {
	SEG_D,                  // _
};

TM1637Display display(CLK, DIO);

#define play 25
#define minTempo 14
#define plusTempo 12
#define next 27
#define prev 26

unsigned long startTime;
bool stoped=0;
unsigned presTempo;
bool play_chosen=0;
int temp_N;
unsigned long presTime;
bool pres=0;
bool play_song=true;

int tuts[6]={19,18,17,16,4,23};//do re mi fa sol la
int tempoMin=1000, tempoMax=20, deltaTempo=1;
int N=1;
int tempo=60;//bukan dalam beat per second
byte nTempo[9]={200,100,90,70,60,50,40,35,30};
byte indexTempo=4;

void setup() {
  Serial.begin(9600);
  pinMode(play, INPUT);
  pinMode(minTempo, INPUT);
  pinMode(plusTempo, INPUT);
  pinMode(next, INPUT);
  pinMode(prev, INPUT);
  display.clear();
  display.setBrightness(0x0f);
  intro();
  delay(5000);
  showNoLagu(N);
}

void loop() {
  cekButton();
}

void showNoLagu(int n){
  display.setSegments(SEG_MIN,1,0);
  display.showNumberDec(n, true, 2, 1); //(nomor lagu,nol di depan, banyak digit, posisi[mulai dari 0])
  display.setSegments(SEG_MIN,1,3);
}

void showTempo(int n){
  display.setSegments(SEG_TP,2,0);
  display.setSegments(SEG_GARIS,1,2);
  display.showNumberDec(n, false, 1, 3);
}

void showPlay(){
  display.setSegments(SEG_PLAY);
}

void showStop(){
  display.setSegments(SEG_STOP);
}

void cekButton(){
  if(digitalRead(prev)){
    if(N>1) N--;
    showNoLagu(N);
    Serial.println(String()+"lagu "+N);
    unsigned long timer=millis();
    while(digitalRead(prev)){
      if(millis()-timer > 500){
        if(N>1) N--;
        showNoLagu(N);
        Serial.println(String()+"lagu "+N);
        delay(50);
      }
    }
    delay(200);
  }else if(digitalRead(play)){
    Serial.println(String()+"play lagu "+N);
    while(digitalRead(play));
    delay(200);
    showPlay();
    // start();
  }else if(digitalRead(next) && N<99){
    N++;
    showNoLagu(N);
    Serial.println(String()+"lagu "+N);
    unsigned long timer=millis();
    while(digitalRead(next) && N<99){
      if(millis()-timer > 500){
        N++;
        showNoLagu(N);
        Serial.println(String()+"lagu "+N);
        delay(50);
      }
    }
    delay(200);
  }else if(digitalRead(plusTempo)){
    if(indexTempo<8) indexTempo++;
    showTempo(indexTempo+1);
    Serial.println(String()+"t"+(indexTempo+1));
    while(digitalRead(plusTempo));
    delay(200);
  }else if(digitalRead(minTempo)){
    if(indexTempo>0) indexTempo--;
    showTempo(indexTempo+1);
    Serial.println(String()+"t"+(indexTempo+1));
    while(digitalRead(minTempo));
    delay(200);
  }
}

void intro(){
  int jeda=200;
  display.setSegments(SEG_J,1,3);
  delay(jeda);
  display.setSegments(SEG_J,1,2);
  display.setSegments(SEG_U,1,3);
  delay(jeda);
  display.setSegments(SEG_J,1,1);
  display.setSegments(SEG_U,1,2);
  display.setSegments(SEG_N,1,3);
  delay(jeda);
  display.setSegments(SEG_J,1,0);
  display.setSegments(SEG_U,1,1);
  display.setSegments(SEG_N,1,2);
  display.setSegments(SEG_I,1,3);
  delay(jeda);
  display.setSegments(SEG_U,1,0);
  display.setSegments(SEG_N,1,1);
  display.setSegments(SEG_I,1,2);
  display.setSegments(SEG_O,1,3);
  delay(jeda);
  display.setSegments(SEG_N,1,0);
  display.setSegments(SEG_I,1,1);
  display.setSegments(SEG_O,1,2);
  display.setSegments(SEG_R,1,3);
  delay(jeda);
  display.setSegments(SEG_I,1,0);
  display.setSegments(SEG_O,1,1);
  display.setSegments(SEG_R,1,2);
  display.setSegments(SEG_,1,3);
  delay(jeda);
  display.setSegments(SEG_O,1,0);
  display.setSegments(SEG_R,1,1);
  display.setSegments(SEG_,1,2);
  display.setSegments(SEG_,1,3);
  delay(jeda);
  display.setSegments(SEG_R,1,0);
  display.setSegments(SEG_,1,1);
  display.setSegments(SEG_,1,2);
  display.setSegments(SEG_,1,3);
  delay(jeda);
  display.setSegments(SEG_,1,0);
  display.setSegments(SEG_,1,1);
  display.setSegments(SEG_,1,2);
  display.setSegments(SEG_,1,3);
  delay(jeda);
}