#include <Adafruit_GFX.h>
#include <Adafruit_SH110X.h>
#include "config.h"

// Creo el objeto pantalla
Adafruit_SH1106G display = Adafruit_SH1106G(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

int buttonState = 0;
int lastButtonState = 0;
int potValue = 0;
int ledBrightness = 0;
int buttonPressCount = 0;

void setup() {
  pinMode(potPin, INPUT);
  pinMode(buttonPin, INPUT_PULLUP); // en la placa tengo que usar INPUT_PULLUP
  pinMode(blueLedPin, OUTPUT);
  pinMode(redLedPin, OUTPUT);
  pinMode(greenLedPin, OUTPUT);
  pinMode(relayPin, OUTPUT);
  
  Serial.begin(BAUDRATE);
  Serial.println("Iniciando pantalla...");

  displayInit();

  delay(3000);  
}

void loop() {
  // Contador On|Off led azul
  buttonState = digitalRead(buttonPin); 
  
  if (buttonState != lastButtonState) {
    if (buttonState == HIGH) {
      buttonPressCount++;
      digitalWrite(blueLedPin, !digitalRead(blueLedPin));
      Serial.println("Pulsador: " + String(buttonPressCount) + " acciones");
    }
    delay(100);
  }
   lastButtonState = buttonState;

  // Intensidad led rojo
  potValue = analogRead(potPin);
  ledBrightness = map(potValue, 0, 4095, 0, 255);
  analogWrite(redLedPin, ledBrightness);
  
  // On|Off led verde
  if (potValue > 2048) {
    digitalWrite(relayPin, HIGH);
    digitalWrite(greenLedPin, HIGH);
  } else {
    digitalWrite(relayPin, LOW);
    digitalWrite(greenLedPin, LOW);
  }

  // Salida por display y consola
  static unsigned long previousMillis = millis();

  displayUpdateAndShow(100);

  if(millis() -  previousMillis > 100) {
    previousMillis = millis();
    Serial.print("Led A: ");
    Serial.print(digitalRead(blueLedPin) ? "Encendido" : "Apagado");
    Serial.print("    Led R: ");
    Serial.print(map(potValue, 0, 4095, 0, 100));
    Serial.print("% de potencia");
    Serial.print("    Led V: ");
    Serial.println(digitalRead(greenLedPin) ? "Encendido" : "Apagado");
  }
  
}

const unsigned char epd_bitmap_UTN [] PROGMEM = {
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
	0xf1, 0xe1, 0xe3, 0xfe, 0x1f, 0xfe, 0x10, 0x00, 0x01, 0x87, 0xff, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xf1, 0xe1, 0xe3, 0xfe, 0x1f, 0xfe, 0x10, 0x00, 0x01, 0x83, 0xff, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xf0, 0xe1, 0xc3, 0xfe, 0x1f, 0xfe, 0x10, 0x00, 0x01, 0x83, 0xff, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xf0, 0xe1, 0x83, 0xfe, 0x1f, 0xfe, 0x1f, 0xe0, 0xff, 0x81, 0xff, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xf0, 0x61, 0x87, 0xfe, 0x1f, 0xfe, 0x1f, 0xf0, 0xff, 0x80, 0xff, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xf8, 0x00, 0x07, 0xfe, 0x1f, 0xfe, 0x1f, 0xf0, 0xff, 0x80, 0x7f, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xfc, 0x00, 0x0f, 0xfe, 0x1f, 0xfe, 0x1f, 0xf0, 0xff, 0x80, 0x3f, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xfe, 0x00, 0x1f, 0xfe, 0x1f, 0xfe, 0x1f, 0xf0, 0xff, 0x80, 0x3f, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0x00, 0x7f, 0xfe, 0x1f, 0xfe, 0x1f, 0xf0, 0xff, 0x84, 0x1f, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xf0, 0x00, 0x03, 0xfe, 0x1f, 0xfe, 0x1f, 0xf0, 0xff, 0x86, 0x0f, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xe0, 0x00, 0x03, 0xfe, 0x1f, 0xfe, 0x1f, 0xf0, 0xff, 0x87, 0x07, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xe0, 0x00, 0x03, 0xfe, 0x1f, 0xfe, 0x1f, 0xf0, 0xff, 0x87, 0x83, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xe0, 0x00, 0x03, 0xfe, 0x1f, 0xfe, 0x1f, 0xf0, 0xff, 0x87, 0x81, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0x80, 0x7f, 0xfe, 0x1f, 0xfe, 0x1f, 0xf0, 0xff, 0x87, 0xc1, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0x00, 0x3f, 0xfe, 0x0f, 0xfe, 0x1f, 0xf0, 0xff, 0x87, 0xe0, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xfe, 0x00, 0x1f, 0xff, 0x0f, 0xfc, 0x1f, 0xf0, 0xff, 0x87, 0xf0, 0x07, 0xff, 0xff, 0xff, 0xff, 
	0xf8, 0x00, 0x0f, 0xff, 0x0f, 0xfc, 0x3f, 0xf0, 0xff, 0x87, 0xf8, 0x07, 0xff, 0xff, 0xff, 0xff, 
	0xf8, 0x00, 0x07, 0xff, 0x07, 0xf8, 0x3f, 0xf0, 0xff, 0x87, 0xfc, 0x07, 0xff, 0xff, 0xff, 0xff, 
	0xf0, 0x61, 0x83, 0xff, 0x83, 0xf0, 0x7f, 0xf0, 0xff, 0x87, 0xfc, 0x07, 0xff, 0xff, 0xff, 0xff, 
	0xf0, 0xe1, 0xc3, 0xff, 0x80, 0x00, 0x7f, 0xf0, 0xff, 0x87, 0xfe, 0x07, 0xff, 0xff, 0xff, 0xff, 
	0xf0, 0xe1, 0xc3, 0xff, 0xc0, 0x00, 0xff, 0xf0, 0xff, 0x87, 0xff, 0x07, 0xff, 0xff, 0xff, 0xff, 
	0xe1, 0xe1, 0xe3, 0xff, 0xf0, 0x03, 0xff, 0xf0, 0xff, 0x87, 0xff, 0x87, 0xff, 0xff, 0xff, 0xff, 
	0xf1, 0xe3, 0xe3, 0xff, 0xfe, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 
	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};

void displayInit(){
  display.begin(0x3C, true); 
  display.clearDisplay();
  display.setTextColor(SH110X_WHITE);
  display.drawBitmap(0,0,epd_bitmap_UTN,128,32,SH110X_BLACK,SH110X_WHITE);
  
  display.display();
}

void displayUpdateAndShow(unsigned long interval){
	static unsigned long previousMillis = 0;
	
  if(millis() - previousMillis > interval) 
  {
		previousMillis = millis();
    display.clearDisplay();

    display.setCursor(2,0);
    display.println("Datos de Compilacion");
    display.setCursor(0,15);
    display.println("Pulsador: "+ String(buttonPressCount) + " acciones");
    display.setCursor(0,24);
    display.print("R: ");
    display.print(map(potValue, 0, 4095, 0, 100));
    display.println("%");
    display.setCursor(54,24);
    display.print("G: ");
    display.println(digitalRead(greenLedPin) ? "E" : "A");
    display.setCursor(103,24);
    display.print("B: ");
    display.println(digitalRead(blueLedPin) ? "E" : "A");
    display.display();
	}
}