#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#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)
#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

#include "eyes.h"


void setup() {
  // put your setup code here, to run once:
  pinMode(8,INPUT_PULLUP);
  pinMode(9,INPUT_PULLUP);
  pinMode(10,INPUT_PULLUP);
  
  Serial.begin(115200);
  Serial.println("Booting");

  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3c)) { // Address 0x3D for 128x64
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); // Don't proceed, loop forever
  }

  // Show initial display buffer contents on the screen --
  // the library initializes this with an Adafruit splash screen.
  display.display();
  
  // Clear the buffer
  display.clearDisplay();
  display.display();
}

// unsigned char readkey(void){ 
//   unsigned char ret=0;
//     if (digitalRead(4)==0 ) ret=1;  //izquierda
//     // if (digitalRead(5)==0) ret+=2; //arriba
//     // if (digitalRead(6)==0) ret+=4; //abajo
//   return (ret);
// }

int xp=16;
int mood=1;

void loop() {
// for (int x = 0; x < 100; x++) {
//   Serial.println(x);
// }

  int n;
  static int xd=0;
  static int espera=0;
  static int step=0;
  int x1,x2;
  if (espera>0) {
    espera--;
    delay(1);
  } else {
    x1=   xd+ (xp>16? (16+2*(xp-16)):xp);
    x2=64+xd+ (xp<16? (-16+(xp*2))  :xp);
    switch (step){
      case 0:
       display.clearDisplay(); // Clear the display buffer
       if (xp<6) { 
               display.drawBitmap(x1, 8, peyes[mood][2][0], 32, 32, WHITE);
               display.drawBitmap(x2, 8, peyes[mood][1][1], 32, 32, WHITE);
       } else if (xp<26) {
               display.drawBitmap(x1, 8, peyes[mood][0][0], 32, 32, WHITE);
               display.drawBitmap(x2, 8, peyes[mood][0][1], 32, 32, WHITE); 
       } else {
               display.drawBitmap(x1, 8, peyes[mood][1][0], 32, 32, WHITE); 
               display.drawBitmap(x2, 8, peyes[mood][2][1], 32, 32, WHITE);
       }
       display.display();
       espera=random(250, 1000);
       n=random(0,7);
       if (n==6) {
          step=1;
       } else {
          step=2;
       }
       break;
      case 1:
       display.clearDisplay(); // Clear the display buffer
       display.drawBitmap(x1, 8, eye0, 32, 32, WHITE);
       display.drawBitmap(x2, 8, eye0, 32, 32, WHITE);
       display.display();
       espera=100;
       step=0;
       break;
      case 2:
       n=random(0,10);
       if (n<5) xd--;
       if (n>5) xd++;
       if (xd<-4) xd=-3;
       if (xd>4) xd=3; 
       espera=0;
       step=0;
       break;
    }
  }
n=2;

// n=readkey();
if (n==2) xp=(xp<=0?0:xp-1); 
if (n==4) xp=(xp>=32?32:xp+1);
// if (n==1) {
//   mood=(mood>=5?0:mood+1);
//   do {} while (readkey()!=0);
//   }
// if (n!=0) { espera=0; step=0; }
for (int x = 0;x<100; x++) {
   if (x==100)
   {
x=0;
Serial.print("Here");
   }
 }
}