#include "MenuSystem.h"
#include <Wire.h>
#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <EncButton.h>
EncButton enc(2, 0, 4);


#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
// The pins for I2C are defined by the Wire-library.
// On an arduino UNO:       A4(SDA), A5(SCL)
// On an arduino MEGA 2560: 20(SDA), 21(SCL)
// On an arduino LEONARDO:   2(SDA),  3(SCL), ...
#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

// Menu variables
MenuSystem ms;
Menu mm("");
Menu mu1("Display");
MenuItem mu1_mi1("Display1");
MenuItem mu1_mi2("Display2");
MenuItem mu1_mi3("Display3");
Menu mu2("Settings");
MenuItem mu2_mi1("Settings1");
MenuItem mu2_mi2("Settings2");
MenuItem mu2_mi3("Settings3");
Menu mu3("Ethernet");
MenuItem mu3_mi1("Set1");
MenuItem mu3_mi2("Set2");
MenuItem mu3_mi3("Set3");

// Объявления переменных и констант

bool bRanCallback = false;
bool bForward = true;

int line = 30;             // переменная для установки настроек в линию


// Функция меню обратного вызова
// В этом примере все пункты меню можно использовать для обратного вызова.

void on_display1_selected(MenuItem* p_menu_item)
{
  Serial.println("DISPLAY1 Selected");
  display.setCursor(0, 55);
  display.print("DISPLAY1 Selected");
  bRanCallback = true;
  bForward = true;
}
void on_display2_selected(MenuItem* p_menu_item)
{
  Serial.println("DISPLAY2 Selected");
  display.setCursor(0, 55);
  display.print("DISPLAY2 Selected");
  //bRanCallback = false;
  bForward = true;
}
void on_display3_selected(MenuItem* p_menu_item)
{
  Serial.println("DISPLAY3 Selected");
  display.setCursor(0, 55);
  display.print("DISPLAY3 Selected");
  bRanCallback = false;
  bForward = true;
}

void on_settings1_selected(MenuItem* p_menu_item)
{
  Serial.println("SETTINGS1 Selected");
  display.setCursor(0, 55);
  display.print("SETTINGS1 Selected");
  bRanCallback = true;
  bForward = true;
}
void on_settings2_selected(MenuItem* p_menu_item)
{
  Serial.println("SETTINGS2 Selected");
  display.setCursor(0, 55);
  display.print("SETTINGS2 Selected");
  bRanCallback = false;
  bForward = true;
}
void on_settings3_selected(MenuItem* p_menu_item)
{
  Serial.println("SETTINGS3 Selected");
  display.setCursor(0, 55);
  display.print("SETTINGS3 Selected");
  //bRanCallback = false;
  bForward = true;
}

void on_set1_selected(MenuItem* p_menu_item)
{
  Serial.println("SETTINGS1 Selected");
  display.setCursor(0, 55);
  display.print("SETTINGS1 Selected");
  bRanCallback = true;
  bForward = true;
}
void on_set2_selected(MenuItem* p_menu_item)
{
  Serial.println("SETTINGS2 Selected");
  display.setCursor(0, 55);
  display.print("SETTINGS2 Selected");
  bRanCallback = false;
  bForward = true;
}
void on_set3_selected(MenuItem* p_menu_item)
{
  Serial.println("SETTINGS3 Selected");
  display.setCursor(0, 55);
  display.print("SETTINGS3 Selected");
  //bRanCallback = false;
  bForward = true;
}
// Standard arduino functions

void setup()
{
  Serial.begin(9600);

  // by default, we'll generate the high voltage from the 3.3v line internally! (neat!)
  if (!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
    Serial.println(F("SSD1306 allocation failed"));
    for (;;); // Don't proceed, loop forever
  }

  enc.setBtnLevel(LOW);
  enc.setClickTimeout(10);
  enc.setDebTimeout(10);
  enc.setHoldTimeout(300);
  enc.setStepTimeout(10);
  ///////////////////////////////////////Encoder///////////////////////////////////////
  enc.setEncReverse(0);
  enc.setEncType(EB_STEP4_LOW);
  enc.setFastTimeout(30);
  // сбросить счётчик энкодера
  enc.counter = 0;

  display.display(); 		// show splashscreen
  delay(1000);
  display.clearDisplay();   // clears the screen and buffer

  // Menu setup
  mm.add_menu(&mu1);

  mu1.add_item(&mu1_mi1, &on_display1_selected);
  mu1.add_item(&mu1_mi2, &on_display2_selected);
  mu1.add_item(&mu1_mi3, &on_display3_selected);

  mm.add_menu(&mu2);

  mu2.add_item(&mu2_mi1, &on_settings1_selected);
  mu2.add_item(&mu2_mi2, &on_settings2_selected);
  mu2.add_item(&mu2_mi3, &on_settings3_selected);

  mm.add_menu(&mu3);

  mu3.add_item(&mu3_mi1, &on_set1_selected);
  mu3.add_item(&mu3_mi2, &on_set2_selected);
  mu3.add_item(&mu3_mi3, &on_set3_selected);

  ms.set_root_menu(&mm);

}

void loop()
{
  enc.tick();

  /*
    //OLED set up
    display.display();
    display.clearDisplay();
    display.setTextSize(1);
    display.setTextColor(WHITE);
    line = 15; //line variable reset
    //Serial.println("//OLED set up");


    // Display Title

    display.setCursor(10, 0);
    display.println("MENU CONFIGURATION");
    display.setCursor(0, 5);
    display.print("_____________________");
    display.setCursor(110, 15);
    //Serial.println("//OLED");
  */
  // Display the menu


  if (enc.action()) {

    //OLED set up
    display.display();
    display.clearDisplay();
    display.setTextSize(1);
    display.setTextColor(WHITE);
    line = 15; //line variable reset
    Serial.println("//OLED set up");


    // Display Title

    display.setCursor(10, 0);
    display.println("MENU CONFIGURATION");
    display.setCursor(0, 5);
    display.print("_____________________");
    display.setCursor(110, 15);
    Serial.println("//OLED");

    Menu const* cp_menu = ms.get_current_menu();
    MenuComponent const* cp_menu_sel = cp_menu->get_selected();
    for (int i = 0; i < cp_menu->get_num_menu_components(); ++i)
    {
      MenuComponent const* cp_m_comp = cp_menu->get_menu_component(i);
      Serial.println(cp_m_comp->get_name());
      display.setCursor(10, line);
      display.print(cp_m_comp->get_name());

      if (cp_menu_sel == cp_m_comp) {
        Serial.print("<<< ");
        display.setCursor(0, line);
        display.write(">");
      }
      line = line + 10;
      Serial.println("");
    }
    if (enc.left())
    {
      ms.prev();
    }

    if (enc.right())
    {
      ms.next();
    }

    /*if (enc.hold())
      {
      ms.back();
      ms.display();
      }*/

    if (enc.click())
    {
      ms.select();
    }

  }




  // Wait for two seconds so the output is viewable
  ///delay(1500);
}