#include <LiquidCrystal.h>
#include <LiquidMenu.h>
#include <ezButton.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

#define AUTO_PRESS_DELAY 200 // How quickly the button press should repeat when held
//double current_temp = 190;      // celsius
int current_temp = 190;
int setpointTemp=200;    // para apagar
float rot=5.5;
String cwccw="CW";

//******************************************
//*             BOTÕES                     *
//******************************************
int pino_botao_up=7;
int pino_botao_select=8;
int pino_botao_down=9;
long last_press_time = 0;
ezButton botao_up(pino_botao_up);
ezButton botao_select(pino_botao_select);
ezButton botao_down(pino_botao_down);

//******************************************
//*             MENU                       *
//******************************************
// Mensagem de BOOT do display LCD (ecrã 1)
LiquidLine linha1_screen1(0, 0, "  PET FILAMENT  ");
LiquidLine linha2_screen1(0, 1, "     MAKER      "); 
LiquidScreen logo_screen(linha1_screen1, linha2_screen1);

//Linhas do ecrã 2     // A construir
LiquidLine linha1_screen2(0, 0,"T:",current_temp,".C ");
LiquidLine linha2_screen2(8, 0,"SP:",setpointTemp,".C");
//LiquidLine linha1_screen2(0, 0,"T:",current_temp,"ºC SP:",setpointTemp);
LiquidLine linha3_screen2(0, 1,"ROT:",rot,"/min");
LiquidLine linha4_screen2(13, 1,"CCW");
LiquidScreen screenStatus(linha1_screen2,linha2_screen2,linha3_screen2,linha4_screen2);

//Linhas do ecrã 3
LiquidLine linha1_screen3(1, 0, " ECRAN_2: L1"); 
LiquidLine linha2_screen3(1, 1, " ECRAN_2: L2");
LiquidLine linha3_screen3(1, 0, " ECRAN_2: L3");
LiquidLine linha4_screen3(1, 1, " Menu Principal");
LiquidScreen screen_3(linha1_screen3,linha2_screen3,linha3_screen3,linha4_screen3);

LiquidMenu myMenu(lcd,logo_screen,screenStatus,screen_3);             // Criar MENU


void setup() {
  // put your setup code here, to run once:
  // put your setup code here, to run once:
  pinMode(13, OUTPUT);
  lcd.begin(16,2);                
  Serial.begin(9600);
  delay(3000);

  // Ecrã nº1 - Boot
  myMenu.add_screen(logo_screen);
  myMenu.update();
  delay(3000);
  myMenu.init();

// Ecrã nº2
//screenStatus.set_focusPosition(Position::LEFT);
linha1_screen2.attach_function(1, menuConfig);
linha2_screen2.attach_function(1, menuConfig);
linha3_screen2.attach_function(1, menuConfig);
myMenu.add_screen(screenStatus);

// Ecrã nº3
  screen_3.set_focusPosition(Position::LEFT);
  linha1_screen3.attach_function(1, ligarLed);  // Função que chama esta linha
  linha2_screen3.attach_function(1, desligarLed);  // Função que chama esta linha
  linha3_screen3.attach_function(1, ligarLed);  // Função que chama esta linha
  linha4_screen3.attach_function(1, menuPrincipal);  // Função que chama esta linha
  myMenu.add_screen(screen_3);

// Definição de quantas linhas tem cada ecrã. Todos os ecrãs vão ter 2 linhas
  screenStatus.set_displayLineCount(4);       // ecrã 2
  screen_3.set_displayLineCount(2);           // ecrã 3

  myMenu.change_screen(2);                // Para iniciar no ecrã 2
  myMenu.set_focusedLine(0);              // Coloca o cursor ">" na linha 0
  myMenu.update();                        // Atualiza o Menu

}

void loop() {
  // put your main code here, to run repeatedly:
  botao_up.loop();
  botao_select.loop();
  botao_down.loop();

  if (!botao_up.getState() && millis() - last_press_time > AUTO_PRESS_DELAY)
  {
    last_press_time = millis();
    myMenu.switch_focus(false);
    myMenu.update();
  }

  else if (!botao_select.getState() && millis() - last_press_time > AUTO_PRESS_DELAY)
  {
    last_press_time = millis();
    myMenu.call_function(1);
    myMenu.update();
  }

  else if (!botao_down.getState() && millis() - last_press_time > AUTO_PRESS_DELAY)
  {
    last_press_time = millis();
    myMenu.switch_focus(true);
    myMenu.update();
  }
}

void ligarLed(){
  digitalWrite(13, true);
}

void desligarLed(){
  digitalWrite(13, false);
}

void menuConfig(){
  myMenu.change_screen(3);
  myMenu.set_focusedLine(0);
  myMenu.update();
}

void menuPrincipal(){
  myMenu.change_screen(2);
  myMenu.set_focusedLine(0);
  myMenu.update();
}