#include <Arduino.h>

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

#include <HTTPClient.h>

#define USE_SERIAL Serial

WiFiMulti wifiMulti;

void setup() {
  // put your setup code here, to run once:
    USE_SERIAL.begin(115200);

    USE_SERIAL.println();
    USE_SERIAL.println();
    USE_SERIAL.println();

 for(uint8_t t = 4; t > 0; t--) {
        USE_SERIAL.printf("[SETUP] WAIT %d...\n", t);
        USE_SERIAL.flush();
        delay(1000);
    }

    wifiMulti.addAP("OSU_Access", "");

    pinMode(27,OUTPUT);
    pinMode(26, OUTPUT);
    pinMode(25,OUTPUT);
    
    //int x = distance; 
}

void loop() {
  // put your main code here, to run repeatedly:
  
  if((wifiMulti.run() == WL_CONNECTED)) {

        HTTPClient http;

        USE_SERIAL.print("[HTTP] begin...\n");
        http.begin("https://web.engr.oregonstate.edu/~howarsky/ENGR 103/Final Project.php"); //HTTP

        USE_SERIAL.print("[HTTP] GET...\n");
        int httpCode = http.GET();

        if(httpCode > 0) {
            USE_SERIAL.printf("[HTTP] GET... code: %d\n", httpCode);

        if(httpCode == HTTP_CODE_OK) {
                String payload = http.getString();
                USE_SERIAL.println(payload);
  
  if(payload.indexOf ("distance") > 10) { 
    digitalWrite(26,HIGH);
    Serial.println("RED");
    delay(1000);
    digitalWrite(26,LOW);
   }
  else if (payload.indexOf ("distance") < 10) {
   digitalWrite(27,HIGH);
   Serial.println("BLUE");
   delay(1000);
   digitalWrite(27,LOW);
   }
  else (payload.indexOf ("distance") == 10);{
   digitalWrite(25,HIGH);
   Serial.println("GREEN");
   delay(1000);
   digitalWrite(25,LOW);
  }
        }
 }else {
            USE_SERIAL.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
        }

        http.end();
    }

    delay(5000);
}