#include <WiFi.h>
#include <WiFiClientSecure.h>
#include <HTTPClient.h>
#include <OneWire.h>
#include <DallasTemperature.h>

// WiFi
const char* ssid = "H4nk";
const char* password = "passwordwifi";

// Server URL
const String serverUrl = "https://iot.informatika-unes.com/index.php/iot/smartfarming";
const String kontrolUrl = "https://iot.informatika-unes.com/index.php/iot/get_last_pompa";

// Pin Sensor dan Pompa
#define SOIL_PIN 34
#define LDR_PIN 35
#define POMPA_PIN 14
#define ONE_WIRE_BUS 4

// Sensor suhu
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

// Interval pengiriman data
unsigned long lastSend = 0;
const unsigned long interval = 10000;

bool modeManual = false;
int statusPompaManual = 0;

void setup() {
  Serial.begin(115200);
  pinMode(POMPA_PIN, OUTPUT);
  digitalWrite(POMPA_PIN, LOW);

  sensors.begin();

  WiFi.begin(ssid, password);
  Serial.print("Menghubungkan ke WiFi");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("\n✅ Terhubung ke WiFi!");
}

void loop() {
  // Baca sensor
  sensors.requestTemperatures();
  float suhu = sensors.getTempCByIndex(0);
  int kelembapan = analogRead(SOIL_PIN);
  int cahaya = analogRead(LDR_PIN);

  Serial.print("🌡️ Suhu: "); Serial.print(suhu);
  Serial.print(" | 🌾 Kelembapan: "); Serial.print(kelembapan);
  Serial.print(" | ☀️ Cahaya: "); Serial.println(cahaya);

  // Ambil kontrol mode dan status pompa dari server
  if (WiFi.status() == WL_CONNECTED) {
    WiFiClientSecure client1;
    client1.setInsecure(); // Non-verifikasi SSL (dev mode)

    HTTPClient http;
    http.begin(client1, kontrolUrl);
    int httpCode = http.GET();

    if (httpCode == 200) {
      String payload = http.getString();
      Serial.println("📥 Respon kontrol: " + payload);

      // Cek mode dan status
      if (payload.indexOf("\"mode\":\"manual\"") >= 0) {
        modeManual = true;
        statusPompaManual = (payload.indexOf("\"status\":1") >= 0) ? 1 : 0;
      } else {
        modeManual = false;
      }
    } else {
      Serial.println("❌ Gagal ambil kontrol dari server.");
    }
    http.end();
  }

  // Kontrol pompa berdasarkan mode
  if (modeManual) {
    digitalWrite(POMPA_PIN, statusPompaManual ? HIGH : LOW);
    Serial.println("🛠️ Mode: MANUAL - Pompa " + String(statusPompaManual ? "HIDUP" : "MATI"));
  } else {
    if (kelembapan < 1500) {
      digitalWrite(POMPA_PIN, LOW);
    } else {
      digitalWrite(POMPA_PIN, HIGH);
    }
    Serial.println("🤖 Mode: OTOMATIS");
  }

  // Kirim data ke server
  if (millis() - lastSend > interval && WiFi.status() == WL_CONNECTED) {
    WiFiClientSecure client2;
    client2.setInsecure();

    HTTPClient http;
    http.begin(client2, serverUrl);
    http.addHeader("Content-Type", "application/x-www-form-urlencoded");

    String data = "suhu=" + String(suhu, 2) +
                  "&kelembapan=" + String(kelembapan) +
                  "&cahaya=" + String(cahaya) +
                  "&status_pompa=" + String(digitalRead(POMPA_PIN));

    int httpCode = http.POST(data);
    String response = http.getString();

    Serial.println("📤 Kirim Data: " + response);
    Serial.println("📦 Data: " + data);
    Serial.println("🔢 HTTP Code: " + String(httpCode));

    http.end();
    lastSend = millis();
  }

  delay(3000);
}