#define BLYNK_TEMPLATE_ID "TMPL3QpuCS7oJ"
#define BLYNK_TEMPLATE_NAME "waste management"
#define BLYNK_AUTH_TOKEN "D3kAbu86rw1Fwb1ZIWBFmEM_GZhI3XHT"


#define BLYNK_PRINT Serial 

#include <WiFi.h>
#include <BlynkSimpleEsp32.h>

// WiFi credentials
char auth[] =  "D3kAbu86rw1Fwb1ZIWBFmEM_GZhI3XHT";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

void setup() {
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
}

void loop() {
  Blynk.run();  // Run Blynk

  int16_t moisture = analogRead(7);
  String moistureCondition = moisture < 80 ? "DRY" : moisture > 140 ? "WET" : "OK";
  int moisturePercent = moisture / 2;
  
  Serial.print("Moisture content: ");
  Serial.print(moisturePercent);
  Serial.print("%, Condition: ");
  Serial.println(moistureCondition);
  
  int16_t nitrogen = analogRead(3) / 2;
  Serial.print("Nitrogen: ");
  Serial.print(nitrogen);
  Serial.print("%, ");
  String nitrogenCondition = nitrogen < 30 ? "Nitrogen content is low" : nitrogen > 70 ? "Nitrogen content is high" : "Nitrogen content is good";
  Serial.println(nitrogenCondition);
  
  int16_t phosphorus = analogRead(4) / 2;
  Serial.print("Phosphorus: ");
  Serial.print(phosphorus);
  Serial.print("%, ");
  String phosphorusCondition = phosphorus < 30 ? "Phosphorus content is low" : phosphorus > 70 ? "Phosphorus content is high" : "Phosphorus content is good";
  Serial.println(phosphorusCondition);
  
  int16_t potassium = analogRead(5) / 2;
  Serial.print("Potassium: ");
  Serial.print(potassium);
  Serial.print("%, ");
  String potassiumCondition = potassium < 30 ? "Potassium content is low" : potassium > 70 ? "Potassium content is high" : "Potassium content is good";
  Serial.println(potassiumCondition);
  
  int16_t pH = analogRead(6) / 2;
  Serial.print("pH value: ");
  Serial.print(pH);
  Serial.print(", ");
  String pHCondition = pH < 4 ? "Soil is highly acidic" : pH < 7 && pH >= 4 ? "Soil is slightly acidic" : pH == 7 ? "pH is neutral" : pH > 7 && pH <= 10 ? "Soil is slightly alkaline" : pH > 10 ? "Soil is highly alkaline" : "";
  Serial.println(pHCondition);
  Serial.println();

  // Sending data to Blynk
  Blynk.virtualWrite(V1, nitrogen);
  Blynk.virtualWrite(V2, phosphorus);
  Blynk.virtualWrite(V3, potassium);
  Blynk.virtualWrite(V4, pH);
  Blynk.virtualWrite(V5, moisturePercent);

  delay(10000);  // Delay 10 seconds before next read
}