#include<Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include "pitch.h"

#define RLED 15
#define OLED 16
#define YLED 17
#define LGLED 19
#define DGLED 18
#define LBLED 5
#define DBLED 4
#define LPLED 2
#define DPLED 13

const int buttonTones[] = {
  NOTE_C4, NOTE_D4, NOTE_E4, NOTE_F4,
  NOTE_G4, NOTE_A4, NOTE_B4, NOTE_C5
};

#define POTPIN 12 //input device

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

int buzzerPin = 26;

Adafruit_SSD1306 oled(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  pinMode(RLED, OUTPUT);
  pinMode(OLED, OUTPUT);
  pinMode(YLED, OUTPUT);
  pinMode(LGLED, OUTPUT);
  pinMode(DGLED, OUTPUT);
  pinMode(LBLED, OUTPUT);
  pinMode(DBLED, OUTPUT);
  pinMode(LPLED, OUTPUT);
  pinMode(DPLED, OUTPUT);

  pinMode(POTPIN, INPUT);

  pinMode(buzzerPin, OUTPUT);

  if(!oled.begin(SSD1306_SWITCHCAPVCC, 0X3C)){
    Serial.println(F("oled Faild"));
    while(1);

}}

void loop() { 
    float pHValue = map(analogRead(POTPIN), 0, 4095, 0.0, 14.0); // Map analog reading to pH range 0-14
    String ph;
    if(pHValue == 0){
      tone(buzzerPin, NOTE_C4);
      ph= "Asam";
      displayTemperature(pHValue,ph);
      lampu(pHValue);
    }else if(pHValue >= 1.0 && pHValue <= 2.0){
      tone(buzzerPin, NOTE_D4);
      ph= "Asam";
      displayTemperature(pHValue,ph);
      lampu(pHValue);
    }else if(pHValue >= 3.0 && pHValue <= 4.0){
      tone(buzzerPin, NOTE_E4);
      ph= "Asam";
      displayTemperature(pHValue,ph);
      lampu(pHValue);

    }else if(pHValue >= 5.0 && pHValue <= 6.0){
      tone(buzzerPin, NOTE_F4);
      ph= "Asam";
      displayTemperature(pHValue,ph);
      lampu(pHValue);

    }else if(pHValue == 7.0){
      noTone(buzzerPin);
      // tone(buzzerPin, NOTE_G4);
      ph= "Netral";
      displayTemperature(pHValue,ph);
      lampu(pHValue);

    }else if(pHValue >= 8.0 && pHValue <= 9.0){
      tone(buzzerPin, NOTE_A4);
      ph= "Basa";
      displayTemperature(pHValue,ph);
      lampu(pHValue);

    }else if(pHValue >= 10.0 && pHValue <= 11.0){
      tone(buzzerPin, NOTE_B4);
      ph= "Basa";
      displayTemperature(pHValue,ph);
      lampu(pHValue);
      
    }else if(pHValue >= 12.0 && pHValue <= 13.0){
      tone(buzzerPin, NOTE_C5);
      ph= "Basa";
      displayTemperature(pHValue,ph);
      lampu(pHValue);
      
    }else if(pHValue == 14.0){
      tone(buzzerPin, NOTE_G4);
      ph= "Basa";
      displayTemperature(pHValue,ph);
      lampu(pHValue);

     }
    //else{
    //   // displayTemperature(pHValue);
    //   lampu(pHValue);
    //   oled.clearDisplay();
    //   oled.setTextSize(1);
    //   oled.setTextColor(WHITE);
    //   oled.setCursor(0, 2);
    //   oled.println("Ada masalah");
    //   oled.display();
    // }

}


void displayTemperature(float temp, String ph) {
  oled.clearDisplay();
  oled.setTextSize(1);
  oled.setTextColor(WHITE);
  oled.setCursor(0, 2);


  oled.print("Ph value: ");
  oled.println(temp);
    oled.print(ph);


  oled.display();
}

void lampu(float pHValue){
  digitalWrite(RLED, pHValue == 0);
  digitalWrite(OLED, pHValue >= 1.0 && pHValue <= 2.0);
  digitalWrite(YLED, pHValue >= 3.0 && pHValue <= 4.0);
  digitalWrite(LGLED, pHValue >= 5.0 && pHValue <= 6.0);
  digitalWrite(DGLED, pHValue == 7.0);
  digitalWrite(LBLED, pHValue >= 8.0 && pHValue <= 9.0);
  digitalWrite(DBLED, pHValue >= 10.0 && pHValue <= 11.0);
  digitalWrite(LPLED, pHValue >= 12.0 && pHValue <= 13.0);
  digitalWrite(DPLED, pHValue == 14.0);
}