#include <HTTPClient.h>
#include <DHT.h>

// Pin Definitions
#define DHTPIN 15            
#define DHTTYPE DHT22       
#define LDRPin 32            
#define PotentiometerPin 34  

// OpenWeatherMap API
const String apiKey = "e678724c970cc23651a3120bdb389ffb";   
const String city = "Ravangla";                   
const String country = "IN";                       
const String weatherUrl = "https://openweathermap.org/find?utf8=%E2%9C%93&q=" + city + "," + country + "&units=metric&appid=" + apiKey;

// Initialize DHT Sensor
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  dht.begin();

  // Setup LDR and Potentiometer pins
  pinMode(LDRPin, INPUT);
  pinMode(PotentiometerPin, INPUT);

  Serial.println("Data Collection Simulation Starting...");
  delay(2000);
}

void loop() {
  // Simulate getting weather data (replace with real data for testing)
  String samplePayload = "{\"temp\":25.0,\"humidity\":65}"; // Example payload for testing
  parseWeatherData(samplePayload);

  // Read data from LDR (UV simulation)
  int uv_intensity = analogRead(LDRPin);

  // Read data from Potentiometer (CO/CO2 simulation)
  int co2_value = analogRead(PotentiometerPin);

  // Convert sensor readings to more meaningful data
  int uvIndex = map(uv_intensity, 0, 4095, 0, 10); // UV index (0-10)
  float co2_concentration = map(co2_value, 0, 4095, 300, 5000); // Simulated ppm

  // Print sensor readings to Serial Monitor
  Serial.print("UV Index (Simulated): ");
  Serial.print(uvIndex);
  Serial.print(" (Based on LDR Value: ");
  Serial.print(uv_intensity);
  Serial.println(")");

  Serial.print("Simulated CO2 Level: ");
  Serial.print(co2_concentration);
  Serial.println(" ppm");

  delay(2000); // Delay for 2 seconds before next reading
}

// Function to Parse Weather Data from OpenWeatherMap
void parseWeatherData(String payload) {
  int tempIndex = payload.indexOf("\"temp\":");
  int humidityIndex = payload.indexOf("\"humidity\":");

  if (tempIndex != -1 && humidityIndex != -1) {
    String tempData = payload.substring(tempIndex + 7, payload.indexOf(",", tempIndex));
    String humidityData = payload.substring(humidityIndex + 11, payload.indexOf("}", humidityIndex));

    float temperature = tempData.toFloat();
    float humidity = humidityData.toFloat();
    float temperatureF = (temperature * 9.0) / 5.0 + 32.0; // Celsius to Fahrenheit

    // Print real-time data to Serial Monitor
    Serial.print("Real-time Temperature: ");
    Serial.print(temperature);
    Serial.print(" °C / ");
    Serial.print(temperatureF);
    Serial.print(" °F, Humidity: ");
    Serial.print(humidity);
    Serial.println(" %");
  } else {
    Serial.println("Error parsing weather data.");
  }
}