#include <Wire.h>
#include <OneWire.h>
#include <DallasTemperature.h>

// WiFi credentials (not used in simulation)
char ssid[] = "YourNetworkName";
char pass[] = "YourPassword";

// Define sensor pins
#define VOLTAGE_PIN 34
#define CURRENT_PIN 35
#define TEMP_PIN 14  // DS18B20 data pin connected to GPIO 14
#define RELAY_PIN 13

// Voltage divider constants
const float R1 = 10000.0; // 10kΩ
const float R2 = 1600.0;  // 1.6kΩ

// DS18B20 setup
OneWire oneWire(TEMP_PIN);
DallasTemperature sensors(&oneWire);

// Thresholds for warnings
const float VOLTAGE_THRESHOLD = 12.0; // Example threshold
const float CURRENT_THRESHOLD = 5.0;  // Example threshold
const float TEMP_THRESHOLD = 40.0;    // Example threshold

void setup() {
  Serial.begin(115200);
  pinMode(RELAY_PIN, OUTPUT);
  digitalWrite(RELAY_PIN, LOW); // Initially off
  sensors.begin();
}

void sendSensorData() {
  // Read voltage
  int voltageRaw = analogRead(VOLTAGE_PIN);
  float voltage = voltageRaw * (3.3 / 4095.0) * ((R1 + R2) / R2);

  // Simulate current using potentiometer
  int currentRaw = analogRead(CURRENT_PIN);
  float current = currentRaw * (3.3 / 4095.0); // Simulated current value

  // Read temperature from DS18B20
  sensors.requestTemperatures();
  float temperature = sensors.getTempCByIndex(0);

  // Check for warnings
  if (voltage > VOLTAGE_THRESHOLD) {
    Serial.println("High Voltage");
  }
  if (current > CURRENT_THRESHOLD) {
    Serial.println("High Current");
  }
  if (temperature > TEMP_THRESHOLD) {
    Serial.println("High Temperature");
  }

  // Control relay based on conditions (not implemented in this example)
}

void loop() {
  sendSensorData();
  delay(1000); // Send data every second
}