#include <LiquidCrystal_I2C.h>
#include <Wire.h>
//#include "pitches.h"
//#include "ENLanguage.h"
#include "ESLanguage.h"

// LCD
#define LCD_COLS 16 // 16 cols lcd
#define LCD_ROWS 2 // 2 files lcd
LiquidCrystal_I2C lcd(0x27, LCD_COLS, LCD_ROWS);

#define BT_UP     34 // Blue Button
#define BT_DOWN   35 // Yellow Button
#define BT_SEL    32 // Green Button
#define BT_CANCEL 33 // Red Button

#define LED_RED 18
#define LED_GREEN 19

#define PinTone 5
unsigned short timeCalcVar = 0;
short minutes = 1;
short seconds = 30;
short mseconds = 0;
const int interval = 1000;
int blinktime = 1000;
unsigned long previousMillis = 0;
int ledState = LOW;

byte TIMEOUTLCD = 25;


void setup() {
  Serial.begin(9600);
  lcd.init();
  lcd.backlight();
  pinMode(LED_RED, OUTPUT);
  pinMode(LED_GREEN, OUTPUT);

  pinMode(BT_UP, INPUT_PULLUP);
  pinMode(BT_DOWN, INPUT_PULLUP);
  pinMode(BT_SEL, INPUT_PULLUP);
  pinMode(BT_CANCEL, INPUT_PULLUP);

  digitalWrite(LED_RED, LOW);
  digitalWrite(LED_GREEN, LOW);

  byte bar1[8] = {
    B10000,
    B10000,
    B10000,
    B10000,
    B10000,
    B10000,
    B10000,
    B10000
  };
  byte bar2[8] = {
    B11000,
    B11000,
    B11000,
    B11000,
    B11000,
    B11000,
    B11000,
    B11000
  };
  byte bar3[8] = {
    B11100,
    B11100,
    B11100,
    B11100,
    B11100,
    B11100,
    B11100,
    B11100
  };
  byte bar4[8] = {
    B11110,
    B11110,
    B11110,
    B11110,
    B11110,
    B11110,
    B11110,
    B11110
  };
  byte bar5[8] = {
    B11111,
    B11111,
    B11111,
    B11111,
    B11111,
    B11111,
    B11111,
    B11111
  };
  byte up[8] = {
    B00100,
    B01110,
    B11111,
    B11111,
    B00000,
    B00000,
    B00000,
    B00000
  };

  byte down[8] = {
    B00000,
    B00000,
    B00000,
    B00000,
    B11111,
    B11111,
    B01110,
    B00100
  };

  byte right[8] = {
    B10000,
    B11000,
    B11100,
    B11110,
    B11100,
    B11000,
    B10000,
    B00000
  };
  lcd.createChar(0, bar1);
  lcd.createChar(1, bar2);
  lcd.createChar(2, bar3);
  lcd.createChar(3, bar4);
  lcd.createChar(4, bar5);
  lcd.createChar(5, up);
  lcd.createChar(6, down);
  lcd.createChar(7, right);
}

bool isTime(unsigned short timeCalcVar, unsigned short iTime, unsigned short fTime) {
  if (timeCalcVar >= iTime && timeCalcVar <= fTime) {
    return true;
  }
  else {
    return false;
  }
}

void loop() {
  unsigned long currentMillis = millis();
  timeCalcVar = (millis()) % blinktime;

  if (digitalRead(BT_UP) == LOW) {
    digitalWrite(LED_RED, HIGH);
    digitalWrite(LED_GREEN, LOW);
  }
  if (digitalRead(BT_CANCEL) == LOW) {
    digitalWrite(LED_RED, LOW);
    digitalWrite(LED_GREEN, HIGH);
  }
  //mseconds = random(0, 100);
  mseconds = 999;

  if (currentMillis - previousMillis >= interval) {
    previousMillis = currentMillis;
    lcd.setCursor(0, 1);
    //PrintTime(minutes, seconds, 999);
    seconds--;
    if (seconds < 0) {
      seconds = 59;
      minutes--;
    }
    if (minutes < 0) {
      minutes = 59;
    }
  }
  MenuPrincipal();
  delay(100);
}