//||||||||||||||| Starfinder |||||||||||||||

// Libraries
#include <SPI.h>                                                            // Serial Peripheral Interface. <<https://docs.arduino.cc/learn/communication/spi>>
#include <Wire.h>                                                           // Communication with I2C/TWI devices. <<https://www.arduino.cc/reference/en/language/functions/communication/wire/>>
#include <Adafruit_GFX.h>                                                   // Adafruit SPI TFT Displays. <<http://adafruit.github.io/Adafruit-GFX-Library/html/index.html>>
#include <Adafruit_SSD1306.h>                                               // Arduino library for monochrome OLEDs based on SSD1306 drivers. <<https://adafruit.github.io/Adafruit_SSD1306/html/index.html>>
#include <IRremote.h>                                                       // This library enables you to send and receive using infra-red signals on an Arduino. <<https://arduino-irremote.github.io/Arduino-IRremote/index.html>>

// Definitions
#define SCREEN_WIDTH 128                                                    // OLED display - width, in pixels
#define SCREEN_HEIGHT 64                                                    // OLED display - height, in pixels
#define OLED_RESET    -1                                                    // OLED display - reset pin # (or -1 if sharing Arduino reset pin)
#define PIN_RECEIVER   2                                                    // IR receiver - pin in use, where a demodulating IR receiver is connected.

// Declarations
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);   // OLED display - constructor for I2C-interfaced SSD1306 displays.
IRrecv receiver(PIN_RECEIVER);                                              // IR receiver - instantiate the IRrecv class.
decode_results button;

// Menu
#define n_menu         4                                                    // Numero de menus
int menu_num = 1;
int menu_sub = 1;
void keyboard ();
void one_menu ();
void two_menu ();
void three_menu ();
void four_menu ();

// IR Remote control
byte zero = 0xFF6897;
byte one = 0xFF30CF;
byte two = 0xFF18E7;
byte three = 0xFF7A85;
byte four = 0xFF10EF;
byte five = 0xFF38C7;
byte six = 0xFF5AA5;
byte seven = 0xFF42BD;
byte eight = 0xFF4AB5;
byte nine = 0xFF52AD;
byte down = 0xFF9867	;
byte up = 0xFF02FD;
byte left = 0xFFE01F;
byte right = 144;
byte enter = 0xFFA857;
byte asterisk = 0xFFC23D;
byte hash = 0xFF22DD;

void setup() {

  Serial.begin(9600);                                                       // Serial - Sets the data rate in bits per second (baud) for serial data transmission. 

  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);                                // OLED display - Allocate RAM for image buffer, initialize peripherals and pins.
  display.clearDisplay();                                                   // OLED display - Clear contents of display buffer (set all pixels to off).
  receiver.enableIRIn();                                                    // IR receiver - Alias for start().

}

void loop() {

  keyboard ();

  switch(menu_num){
    case 1: one_menu();
    break;
    case 2: two_menu();
    break;
    case 3: three_menu();
    break;
    case 4: four_menu();
    break;
  }

}

void keyboard (){
  if(( receiver.decode() == 0xFF906F ) && ( menu_sub == 1 )){
    delay(150);
    if( menu_num > 0 ) menu_num += 1 ;
  }
  if(( receiver.decode() == left ) && ( menu_sub == 1 )){
    delay(150);
    if( menu_num <= n_menu ) menu_num -= 1 ;
  }
  if(( receiver.decode() ) == enter ){
    delay(150);
    if( menu_num <= 2 ) menu_sub += 1 ;
  }
  if(( receiver.decode() ) == asterisk ){
    delay(150);
    if( menu_num > 0 ) menu_num -= 1 ;
  }
}
void one_menu (){
  switch (menu_sub){
    case 1:
    display.setTextSize(1);
    display.setTextColor(WHITE);
    display.setCursor(0, 0);
    display.print("menu 1  \n");
    display.print("sub menu 1  \n");
    display.display();
    break;
    case 2:
    display.setTextSize(1);
    display.setTextColor(WHITE);
    display.setCursor(0, 0);
    display.print("menu 1  \n");
    display.print("sub menu 2  \n");
    display.display();
    break;
  }
}
void two_menu (){
  switch (menu_sub){
    case 1:
    display.setTextSize(1);
    display.setTextColor(WHITE);
    display.setCursor(0, 0);
    display.print("menu 2  \n");
    display.print("sub menu 1  \n");
    display.display();
    break;
    case 2:
    display.setTextSize(1);
    display.setTextColor(WHITE);
    display.setCursor(0, 0);
    display.print("menu 2  \n");
    display.print("sub menu 2  \n");
    display.display();
    break;
  }
}
void three_menu (){
  switch (menu_sub){
    case 1:
    display.setTextSize(1);
    display.setTextColor(WHITE);
    display.setCursor(0, 0);
    display.print("menu 3  \n");
    display.print("sub menu 1  \n");
    display.display();
    break;
    case 2:
    display.setTextSize(1);
    display.setTextColor(WHITE);
    display.setCursor(0, 0);
    display.print("menu 3  \n");
    display.print("sub menu 2  \n");
    display.display();
    break;
  }
}
void four_menu (){
  switch (menu_sub){
    case 1:
    display.setTextSize(1);
    display.setTextColor(WHITE);
    display.setCursor(0, 0);
    display.print("menu 4  \n");
    display.print("sub menu 1  \n");
    display.display();
    break;
    case 2:
    display.setTextSize(1);
    display.setTextColor(WHITE);
    display.setCursor(0, 0);
    display.print("menu 4  \n");
    display.print("sub menu 2  \n");
    display.display();
    break;
  }
}


/*||||||||||||||| Comments |||||||||||||||

  Display ratio (7:5) (26.6 mm : 19 mm) (128px : 64px)0.96 inch

  Logo font <<https://www.dafont.com/pt/star-jedi.font>>

if(receiver.decode(&button)){
    Serial.print("valor: ");
    Serial.println(button.value,HEX);
    switch(){
      case 0xFF6897: // "0"
      break;
      case 0xFF30CF: // "1"
      break;
      case 0xFF18E7: // "2"
      break;
      case 0xFF7A85: // "3"
      break;
      case 0xFF10EF: // "4"
      break;
      case 0xFF38C7: // "5"
      break;
      case 0xFF5AA5: // "6"
      break;
      case 0xFF42BD: // "7"
      break;
      case 0xFF4AB5: // "8"
      break;
      case 0xFF52AD: // "9"
      break;
      case 0xFF9867: // "Down"
      break;
      case 0xFF02FD: // "Up"
      break;
      case 0xFFE01F: // "Left"
      break;
      case 0xFF906F: // "Right"
      break;
      case 0xFFA857: // "Enter"
      break;
      case 0xFF22DD: // "*"
      break;
      case 0xFFB04F: // "#"
      break;
      }
    receiver.resume();
  }

  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(0, 0);
  display.print("Ola makers! \n");
  display.display();

*/