#include <Arduino.h>
  #include <WiFi.h>
  #include <WiFiMulti.h>
  #include <HTTPClient.h>

  WiFiMulti wifiMulti;
  
  const char* ssid = "OSU_Access";
  const char* password = "";

  int dryValue = 4095;
  int wetValue = 1358; 
  int percentageDryValue = 0;
  int percentageWetValue = 100;

  const char *server = "https://web.engr.oregonstate.edu/~ariasmai/ENGR%20103/MoisturePercentagePost.php";

  String postData;
  String postVariable = "MoisturePercentage=";
  
  WiFiClient client;
  
 void setup() {
  
    Serial.begin(115200);
    
    WiFi.begin(ssid,password);
    Serial.print("Connecting to WiFi");

    while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(500);
    
    
  }

    
    Serial.println("Connected to the WiFi network");
    Serial.print("IP address ");
    Serial.println(WiFi.localIP());
    

   
 }


 void loop() {


    HTTPClient http;



    int rawValue = analogRead(34);
    Serial.print("Raw Sensor Value: ");
    Serial.print(rawValue);
    Serial.print(" | ");
  
    float percentageValue = map(rawValue, dryValue, wetValue, percentageDryValue, percentageWetValue);
  
    Serial.print("MoisturePercentage = ");
    Serial.print(percentageValue);
    Serial.println("%");

    delay(100);

    String result;
        if ((percentageValue >= 41) && (percentageValue <= 80)) {
          result = "1";
          
        }
        
        else if ((percentageValue <= 40)) {
          result = "2";
        }
        else {
          result = "3";
        }

    postData = postVariable + result;

  
    http.begin("https://web.engr.oregonstate.edu/~ariasmai/ENGR%20103/MoisturePercentagePost.php");
    http.addHeader("Content-Type", "application/x-www-form-urlencoded");
 
  
    int httpCode = http.POST(postData);
    //Serial.println(httpCode);

    if(httpCode > 0 ) {

  

    if(httpCode == HTTP_CODE_OK){

      
        String payload = http.getString();
        Serial.println(payload);
    }

      else {

          Serial.printf("[HTTP] GET... code: %d\n", httpCode);
      }

  http.end(); // End this Request

  }
    
  
    delay(100);

 }