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

#define LDR_PIN 34  // GPIO pin connected to LDR
#define LED_PIN 2   // GPIO pin connected to LED
#define DHT_PIN 15  // GPIO pin connected to DHT22
#define DHT_TYPE DHT22

// Replace with your Wi-Fi credentials
const char* ssid = "Wokwi-GUEST";
const char* password = "";

// Replace with your Favoriot API details
const char* favoriot_endpoint = "https://apiv2.favoriot.com/v2/streams";
const char* api_key = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VybmFtZSI6ImZxaG02OSIsInJlYWRfd3JpdGUiOnRydWUsImlhdCI6MTczNjMyMzk4OX0.uYqOmsOI3MVEV18Ko-r8Ql_fqBeQO8rjr63Hb8tXDX4";

DHT dht(DHT_PIN, DHT_TYPE);

void setup() {
  Serial.begin(115200);
  WiFi.begin(ssid, password);
  pinMode(LDR_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
  
  Serial.print("Connecting to Wi-Fi");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("Connected to Wi-Fi");

  dht.begin();
}

void loop() {
  int ldrValue = analogRead(LDR_PIN);
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  if (ldrValue < 1000) {  // Example threshold to control LED
    digitalWrite(LED_PIN, HIGH);
  } else {
    digitalWrite(LED_PIN, LOW);
  }

  if (isnan(temperature) || isnan(humidity)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  Serial.print("LDR Value: ");
  Serial.println(ldrValue);
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println("°C");
  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.println("%");

  if (WiFi.status() == WL_CONNECTED) {
    HTTPClient http;
    http.begin(favoriot_endpoint);
    http.addHeader("Content-Type", "application/json");
    http.addHeader("apikey", api_key);

    String jsonData = "{";
    jsonData += "\"device_developer_id\": \"iot_1_device@fqhm69\",";
    jsonData += "\"data\": {";
    jsonData += "\"ldr\": " + String(ldrValue) + ",";
    jsonData += "\"temperature\": " + String(temperature) + ",";
    jsonData += "\"humidity\": " + String(humidity);
    jsonData += "}}";

    int httpResponseCode = http.POST(jsonData);

    if (httpResponseCode > 0) {
      Serial.print("HTTP Response code: ");
      Serial.println(httpResponseCode);
    } else {
      Serial.print("Error code: ");
      Serial.println(httpResponseCode);
    }
    http.end();
  } else {
    Serial.println("Wi-Fi not connected");
  }

  delay(60000);  // Wait for 60 seconds before next reading
}