/*
	Capitulo 47 de Arduino desde cero en Español.
	Programa que muestra texto ALARMA dentro de un rectangulo para resaltar
	Requiere instalar librerias Adafruit GFX y Adafruit SSD1306

	Autor: bitwiseAr  

*/

#include <Wire.h>			// libreria para bus I2C
#include <Adafruit_GFX.h>		// libreria para pantallas graficas
#include "Adafruit_SSD.h"		// libreria para controlador SSD1306
#include "FPS.h"
  
#define ANCHO 128			// reemplaza ocurrencia de ANCHO por 128
#define ALTO 64				// reemplaza ocurrencia de ALTO por 64
#define OLED_RESET 4			// necesario por la libreria pero no usado
#define BUZZER 11
Adafruit_SSD oled(ANCHO, ALTO, &Wire, OLED_RESET, 800000);	// crea objeto

int16_t X;
int16_t Y;

void drawBattery (int x, int y) {
  int fill = (millis() / 300) % 6;
  oled.drawRect(x, y, 18, 12, SSD_WHITE);
  for (int bar = 0; bar < fill; bar++){
    oled.fillRect(x + 2 + 3 * bar, y + 2, 2, 8, SSD_WHITE);
  }
  oled.fillRect(x + 19, y + 3, 2, 6, SSD_WHITE);
}


uint8_t BRICK_A_A = 0;
uint8_t BRICK_B_B = 1;
uint8_t DOOR__0_0 = 2;
uint8_t DOOR__1_0 = 3;
uint8_t DOOR__2_0 = 4;
uint8_t DOOR__0_1 = 5;
uint8_t DOOR__1_1 = 6;
uint8_t DOOR__2_1 = 7;
uint8_t BLACK_BCK = 8;

byte BRICK_A_A_DATA[4] = {
  0b00100111,
  0b01010111, 
  0b00100011, 
  0b00000101,
};
byte BRICK_B_B_DATA[4] = {
  0b01110010,
  0b01110101, 
  0b00110010, 
  0b01010000,
};
byte DOOR__0_0_DATA[4] = {
  0b00000111,
  0b11000111,
  0b00100011,
  0b00010101,
};
byte DOOR__1_0_DATA[4] = {
  0b00010010,
  0b00010101,
  0b00010010,
  0b00010000,
};
byte DOOR__2_0_DATA[4] = {
  0b00010111,
  0b00100111,
  0b11000011,
  0b00000101
};
byte DOOR__0_1_DATA[4] = {
  0b00000000,
  0b11111111,
  0b00000000,
  0b01000000
};
byte DOOR__1_1_DATA[4] = {
  0b01010000,
  0b01010000,
  0b01010100,
  0b01010100
};
byte DOOR__2_1_DATA[4] = {
  0b01010100,
  0b00000000,
  0b11111111,
  0b00000000
};
byte BLACK_BCK_DATA[4] = {
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000
};

byte textures[9][4] = {
  {BRICK_A_A_DATA[0], BRICK_A_A_DATA[1], BRICK_A_A_DATA[2], BRICK_A_A_DATA[3]},
  {BRICK_B_B_DATA[0], BRICK_B_B_DATA[1], BRICK_B_B_DATA[2], BRICK_B_B_DATA[3]},
  {DOOR__0_0_DATA[0], DOOR__0_0_DATA[1], DOOR__0_0_DATA[2], DOOR__0_0_DATA[3]},
  {DOOR__1_0_DATA[0], DOOR__1_0_DATA[1], DOOR__1_0_DATA[2], DOOR__1_0_DATA[3]},
  {DOOR__2_0_DATA[0], DOOR__2_0_DATA[1], DOOR__2_0_DATA[2], DOOR__2_0_DATA[3]},
  {DOOR__0_1_DATA[0], DOOR__0_1_DATA[1], DOOR__0_1_DATA[2], DOOR__0_1_DATA[3]},
  {DOOR__1_1_DATA[0], DOOR__1_1_DATA[1], DOOR__1_1_DATA[2], DOOR__1_1_DATA[3]},
  {DOOR__2_1_DATA[0], DOOR__2_1_DATA[1], DOOR__2_1_DATA[2], DOOR__2_1_DATA[3]},
  {BLACK_BCK_DATA[0], BLACK_BCK_DATA[1], BLACK_BCK_DATA[2], BLACK_BCK_DATA[3]},
};

uint8_t level[32][6]= {
  {BRICK_A_A, BRICK_A_A, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_B_B, BRICK_B_B, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_A_A, BRICK_A_A, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_B_B, BRICK_B_B, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_A_A, BRICK_A_A, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_B_B, BRICK_B_B, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_A_A, BRICK_A_A, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_B_B, BRICK_B_B, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},

  {DOOR__0_0, DOOR__0_1, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {DOOR__1_0, DOOR__1_1, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {DOOR__2_0, DOOR__2_1, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},

  {BRICK_B_B, BRICK_B_B, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_A_A, BRICK_A_A, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_B_B, BRICK_B_B, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},

  {DOOR__0_0, DOOR__0_1, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {DOOR__1_0, DOOR__1_1, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {DOOR__2_0, DOOR__2_1, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},

  {BRICK_B_B, BRICK_B_B, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_A_A, BRICK_A_A, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_B_B, BRICK_B_B, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_B_B, BRICK_B_B, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_A_A, BRICK_A_A, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_B_B, BRICK_B_B, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},


  {DOOR__0_0, DOOR__0_1, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {DOOR__1_0, DOOR__1_1, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {DOOR__2_0, DOOR__2_1, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},

  {BRICK_B_B, BRICK_B_B, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_A_A, BRICK_A_A, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_B_B, BRICK_B_B, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_B_B, BRICK_B_B, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_A_A, BRICK_A_A, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  {BRICK_B_B, BRICK_B_B, BLACK_BCK, BLACK_BCK, BLACK_BCK, BLACK_BCK},
  
};

void drawTexture (int col, int row, byte texture[]){
  uint8_t x = col * 4;
  uint8_t y = row * 8;
  for (int i = 0; i < 4; i++) {
    byte pixels = texture[i];
    oled.drawByte(x + i, y, pixels);
  }
}

String timeToString(unsigned long time) {
  //int seconds = int((time % 60000) / 1000);
  int minutes = int((time % 60000) / 1000);
  //int hours = int(time / 3600000);
  //String secondsText = (seconds < 10 ? "0": "") + String(seconds);
  String minutesText = (minutes < 10 ? "a": "") + String(minutes);
  //String hoursText = (hours < 10 ? "0": "") + String(hours);

  
  return ":" + minutesText;
}

void updateDisplay(int fps, int offsetX){
  oled.clearDisplay();			// limpia pantalla			
  //oled.drawRect(20, 20, 88, 44, WHITE);	// dibuja rectangulo
  oled.setCursor(28, 34);		// ubica cursor en coordenadas 28,34
  oled.setTextSize(1);			// establece tamano de texto en 2
  oled.setTextColor(WHITE);		// establece color al unico disponible (pantalla monocromo)
  oled.setCursor(50, 0);
  oled.print( "FPS:" + String(fps));			// escribe texto
  oled.setCursor(4, 0);
  oled.print(timeToString(millis()));

  //Serial.println(timeToString(millis()));

  drawBattery(ANCHO - 24, 0);

  for (uint8_t col = 0; col < 32; col+= 1){
    for (uint8_t row = 0; row < 2; row+= 1){
      uint8_t textureIndex = level[col][row];
      drawTexture(col, row + 2, textures[textureIndex]);
    }
  }
  //Serial.println(level[0][0]);
  //Serial.println(BRICK_A_A);
  drawTexture(0, 3, textures[0]);


  oled.display(offsetX, 2);	

}

int offsetX = 0;
void move(int fps){
  float timeOffset = (millis() % 10000) / 10000.00;
  byte offsetY = 0x3F * timeOffset;
  X = 512 - analogRead(A0);

  if (X < -200){
    offsetX = (ANCHO + offsetX - 1) % ANCHO;
  } else if (X > 200){
    offsetX = (offsetX + 1) % ANCHO;
  }
  //offsetX = ANCHO * timeOffset;
  // Serial.println(timeOffset);
  // oled.SSD_command(0x40 | offset);

  updateDisplay(fps, offsetX);
}

FPS fpsController(30, &move);

void setup() {
  Serial.begin(9600);
  Wire.begin();					// inicializa bus I2C
  oled.begin(SSD_SWITCHCAPVCC, 0x3C);	// inicializa pantalla con direccion 0x3C
  fpsController.start();
  updateDisplay(30, 0);
  Serial.println("timeOffset");
}


void loop() {
  fpsController.tick();
}