#include <Wire.h>
#include "SSD1306Ascii.h"
#include "SSD1306AsciiWire.h"
#define I2C_ADDRESS 0x3C
int ledr = 6;
int t1 = 2;
int t2 = 3;
int menu = 0;

SSD1306AsciiWire oled;

void setup() {
  Wire.begin();
  Wire.setClock(400000L);
  oled.begin(&Adafruit128x64, I2C_ADDRESS);
  pinMode(ledr, OUTPUT);
  pinMode(t1, INPUT);
  pinMode(t2, INPUT);
}

void loop() {
  oled.setFont(System5x7);


  switch (menu){
    case 0:
    oled.println("       Welcomme");
    delay(1000);
    menu=1;
    break;

    case 1:
    oled.clear();
     oled.println("        Menu:");
     oled.println("> Timer");
     oled.println("  Alarm");
     menu =2;
     break;

     case 2:
     if (digitalRead(t2)==HIGH){
       oled.clear();
       oled.println("       Timer:");
       oled.println("> 1...");
       oled.println("  back");
       delay(100);
       menu=6;
     }
    if (digitalRead(t1)==HIGH){
      oled.clear();
     oled.println("        Menu:");
     oled.println("  Timer");
     oled.println("> Alarm");
     delay(100);
    menu=3;
  }
    break;

   case 3:
      if (digitalRead(t2)==HIGH){
       oled.clear();
       oled.println("       Alarm:");
       oled.println("> 2...");
       oled.println("  back");
       delay(100);
       menu=4;
     }
     else if (digitalRead(t1)==HIGH){
     oled.clear();
     oled.println("        Menu:");
     oled.println("> Timer");
     oled.println("  Alarm");
     delay(100);
     menu =2;
     }
     
   break;
   case 4:
   if (digitalRead(t2)==HIGH){
       oled.clear();
       oled.println("       2...:");
       oled.println("....");
       delay(100);
       }
       else if (digitalRead(t1)==HIGH){
         oled.clear();
       oled.println("       Alarm:");
       oled.println("  2...");
       oled.println("> back");
     delay(100);
     menu =5;
     }
   break;
   
   case 5:
   if (digitalRead(t2)==HIGH){
     delay(100);
     menu=1;
   }
   else if (digitalRead(t1)==HIGH){
     oled.clear();
     oled.println("       Alarm:");
     oled.println("> 2...");
     oled.println("  back");
     delay(100);
     menu=4;
   }
   break;

   case 6:
   if (digitalRead(t2)==HIGH){
       oled.clear();
       oled.println("       1...:");
       oled.println("....");
       delay(100);
       }
       else if (digitalRead(t1)==HIGH){
         oled.clear();
       oled.println("       Timer:");
       oled.println("  1...");
       oled.println("> back");
     delay(100);
     menu=7;
       }
   break;
   
   case 7:
   if (digitalRead(t2)==HIGH){
     delay(100);
     menu=1;
   }
   else if (digitalRead(t1)==HIGH){
     oled.clear();
     oled.println("       Timer:");
     oled.println("> 1...");
     oled.println("  back");
     delay(100);
     menu=6;
   }
   break;
   }
}