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

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

// URL POST ke WordPress
const char* serverName =
  "https://gerakpinasti.com/wp-admin/admin-post.php?action=esp_post_data";

// API Key
String apiKeyValue = "tPmAT5Ab3j7F9";

// Sensor
String sensorName = "DHT22";
String sensorLocation = "Site Gugel";

// DHT22
#define DHTPIN 4
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

// LDR
#define LDR_PIN 32
int lightLevel = 0;

void setup() {
  Serial.begin(115200);
  WiFi.begin(ssid, password);
  Serial.println("Connecting to WiFi...");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.print("Connected, IP: ");
  Serial.println(WiFi.localIP());

  dht.begin();
}

void loop() {
  if (WiFi.status() == WL_CONNECTED) {
    WiFiClientSecure *client = new WiFiClientSecure;
    client->setInsecure(); // Abaikan SSL
    HTTPClient https;

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

    // Baca sensor
    float suhu = dht.readTemperature();
    float kelembapan = dht.readHumidity();
    lightLevel = analogRead(LDR_PIN); // 0-4095

    if (isnan(suhu) || isnan(kelembapan)) {
      Serial.println("Failed to read from DHT sensor!");
      delay(30000);
      return;
    }

    // Siapkan data POST sesuai database
    String httpRequestData = "api_key=" + apiKeyValue
                           + "&sensor=" + sensorName
                           + "&location=" + sensorLocation
                           + "&value1=" + String(suhu)
                           + "&value2=" + String(kelembapan)
                           + "&value3=" + String(lightLevel);

    Serial.println("POST Data: " + httpRequestData);

    int httpResponseCode = https.POST(httpRequestData);

    if (httpResponseCode > 0) {
      Serial.print("HTTP Response code: ");
      Serial.println(httpResponseCode);
      String payload = https.getString();
      Serial.println("Server response: " + payload);
    } else {
      Serial.print("Error code: ");
      Serial.println(httpResponseCode);
    }

    https.end();
  } else {
    Serial.println("WiFi Disconnected");
  }

  delay(300); // Kirim data tiap 30 detik
}