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

const char* ssid = "Wokwi-GUEST";
const char* password = "";

const char* serverName =
"https://smartsite.gerakpinasti.com/backend/esp-post-data.php";

String apiKeyValue = "tPmAT5Ab3j7F9";
String sensorName = "SMART SITE";
String sensorLocation = "Jabar";

String urlencode(String str) {
  String encoded = "";
  char c;
  char buf[4];
  for (int i = 0; i < str.length(); i++) {
    c = str.charAt(i);
    if (isalnum(c)) encoded += c;
    else {
      sprintf(buf, "%%%02X", c);
      encoded += buf;
    }
  }
  return encoded;
}

void setup() {
  Serial.begin(115200);
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(300);
    Serial.print(".");
  }

  Serial.println("\nWiFi OK");
  sendData();
}

void loop() {}

void sendData() {
  WiFiClient client;
  HTTPClient http;

  http.begin(client, serverName);
  http.addHeader("Content-Type", "application/x-www-form-urlencoded");

  String payload =
    "api_key=" + apiKeyValue +
    "&sensor=" + urlencode(sensorName) +
    "&location=" + urlencode(sensorLocation) +
    "&value1=25&value2=60&value3=123&value4=0&value5=456";

  Serial.println(payload);

  int code = http.POST(payload);
  Serial.print("[HTTP CODE] ");
  Serial.println(code);

  String resp = http.getString();
  Serial.println("[RESPONSE]");
  Serial.println(resp);

  http.end();
}