#include <HTTPClient.h>



// Your server URL (replace with your server's URL)
const char* serverUrl = "http://127.0.0.1:8000/api/soil-health/";

// Pin setup
const int moisturePin = 32;
const int phPin = 33;
const int nPin = 34;
const int pPin = 35;
const int kPin = 27;
const int tempPin = 14;  // Analog Temperature Sensor connected to GPIO 14
const int ledPin = 26;

void setup() {
  Serial.begin(115200);
  pinMode(ledPin, OUTPUT);

}

void loop() {
  // Simulate temperature readings with slight fluctuations
  int rawValue = analogRead(tempPin);
  float temperature = (rawValue / 4095.0) * 100 + random(-2, 2); // Add random fluctuation between -2°C and +2°C
  
  // Simulate humidity and other sensor data with random values
  float humidity = random(30, 70);  // Random humidity between 30% and 70%
  int soilMoisture = random(400, 700);  // Random soil moisture value
  int soilPH = random(0, 14);  // Random soil pH value (assuming 0-14 range)
  int soilN = random(0, 100);  // Random nitrogen level
  int soilP = random(0, 100);  // Random phosphorus level
  int soilK = random(0, 100);  // Random potassium level

    HTTPClient http;

    // Prepare JSON data
  String postData = "{";
  postData += "\"date\":\"2024-08-15\",";  // Enclose date value in quotes
  postData += "\"soil_moisture\":" + String(soilMoisture) + ",";
  postData += "\"temperature\":" + String(temperature) + ",";
  postData += "\"nitrogen\":" + String(soilN) + ",";
  postData += "\"phosphorus\":" + String(soilP) + ",";
  postData += "\"potassium\":" + String(soilK) + ",";
  postData += "\"soil_ph\":" + String(soilPH);
  postData += "}";

    // Send the request to the server
    http.begin(serverUrl);  // Your server URL
    http.addHeader("Content-Type", "application/json");  // Set content type to JSON

    // POST request with the sensor data
    int httpResponseCode = http.POST(postData);

    if (httpResponseCode > 0) {
      String response = http.getString();
      Serial.println(httpResponseCode);  // Print response code
      Serial.println(response);  // Print response payload
    } else {
      Serial.print("Error on sending POST: ");
      Serial.println(httpResponseCode);
    }

    http.end();  // Close connection
  

  // Make LED blink based on soil moisture level
  if (soilMoisture < 500) {
    digitalWrite(ledPin, HIGH);  // Turn on LED
    delay(500);  // Keep LED on for 500ms
    digitalWrite(ledPin, LOW);   // Turn off LED
    delay(500);  // Keep LED off for 500ms
  } else {
    digitalWrite(ledPin, LOW);   // Turn off LED
  }

  delay(10000);  // Wait for 2 seconds before next loop
}