#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL6AOPw1ZGl"
#define BLYNK_TEMPLATE_NAME "smart irigation  msob"
#define BLYNK_AUTH_TOKEN "uySh4UIZtGth_fVSNDLABpCDKZ_C7u-m"



#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

//OLED Display - Init
#define SCREEN_WIDTH 128 // lebar layar OLED
#define SCREEN_HEIGHT 64 // tinggi layar OLED
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

//Sensor Kelembanan Tanah - Init
int kelembaban_tanah = 0;
int inv_kelembaban_tanah = 0;

//Relay Pompa - Init
int relay_pompa = 15;
int mode_pompa = 0;
int control_pompa = 0;

//Blynk - Init
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BLYNK_WRITE(V1){
  mode_pompa = param.asInt(); 
}

BLYNK_WRITE(V2){
  control_pompa = param.asInt();
}

void setup() {
  Serial.begin(115200);
  //OLED Display - Config
  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { 
    Serial.println(F("SSD1306 allocation failed"));
    for(;;);
  }
  delay(500);
  display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(WHITE);
  
  //Sensor Kelembanan Tanah - Config
  analogReadResolution(10);
  pinMode(34, INPUT);

  //Relay Pompa - Config
  pinMode(relay_pompa, OUTPUT);
  digitalWrite(relay_pompa, LOW);
  Blynk.virtualWrite(V2, "Pompa MATI");

  //Blynk - Config
  Blynk.begin(auth, ssid, pass, "blynk.cloud", 80);
}

void loop() {
  Blynk.run();
  display.clearDisplay();

  kelembaban_tanah = analogRead(34);
  kelembaban_tanah = map (kelembaban_tanah, 0,1023, 0,100);
  inv_kelembaban_tanah = 100-kelembaban_tanah;
  Blynk.virtualWrite(V0, inv_kelembaban_tanah);

  if (mode_pompa == 0 && control_pompa == 1){
    digitalWrite(relay_pompa, HIGH);
    Blynk.virtualWrite(V3, "Pompa HIDUP");
    display.setCursor(0, 30);
    display.println("Status Pompa:");
    display.setCursor(0, 40);
    display.println("Pompa HIDUP");
  }
  else if(mode_pompa == 0 && control_pompa == 0){
    digitalWrite(relay_pompa, LOW);
    Blynk.virtualWrite(V3, "Pompa MATI");
    display.setCursor(0, 30);
    display.println("Status Pompa:");
    display.setCursor(0, 40);
    display.println("Pompa MATI");
  }
  else if(inv_kelembaban_tanah < 50 && mode_pompa == 1){
    digitalWrite(relay_pompa, HIGH);
    Blynk.virtualWrite(V3, "Pompa HIDUP");
    display.setCursor(0, 30);
    display.println("Status Pompa:");
    display.setCursor(0, 40);
    display.println("Pompa HIDUP");
  }
  else if(inv_kelembaban_tanah > 50 && mode_pompa == 1){
    digitalWrite(relay_pompa, LOW);
    Blynk.virtualWrite(V3, "Pompa MATI");
    display.setCursor(0, 30);
    display.println("Status Pompa:");
    display.setCursor(0, 40);
    display.println("Pompa MATI");
  }

  display.setCursor(0, 0);
  display.println("Kelembaban Tanah:");
  display.setCursor(0, 10);
  display.println(inv_kelembaban_tanah);
  display.display();
}