#include <WiFi.h>
#include <PubSubClient.h>
#include <ArduinoJson.h>
#include <DHTesp.h>


#define pinDHT 13
#define pinLDR 36
#define pinRelay2 15
#define pinRelay1 2
#define pinRelay3 5
#define pinRelay4 4
#define pinRelayPumpWater 22

DHTesp dhtSensor;

int val;
int relaydelay;

const float GAMMA = 0.7;
const float RL10 = 50;

#include "ThingsBoard.h"

#define CURRENT_FIRMWARE_TITLE    "TEST"
#define CURRENT_FIRMWARE_VERSION  "1.0.0"

#define WIFI_SSID           "Wokwi-GUEST"
#define WIFI_PASSWORD       ""

// See https://thingsboard.io/docs/getting-started-guides/helloworld/
// to understand how to obtain an access token
#define TOKEN               "lPWKFIGMvaBkKFFjeXvm"
#define THINGSBOARD_SERVER  "thingsboard.cloud"


// Baud rate for debug serial
#define SERIAL_DEBUG_BAUD   115200

// Initialize ThingsBoard client
WiFiClient espClient;
// Initialize ThingsBoard instance
ThingsBoard tb(espClient);
// the Wifi radio's status
int status = WL_IDLE_STATUS;

void InitWiFi()
{
  Serial.println("Connecting to AP ...");
  // attempt to connect to WiFi network

  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {

    delay(500);
    Serial.print(".");
  }
  Serial.println("Connected to AP");
}

void reconnect() {
  // Loop until we're reconnected
  status = WiFi.status();
  if ( status != WL_CONNECTED) {
    WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
    while (WiFi.status() != WL_CONNECTED) {
      delay(500);
      Serial.print(".");
    }
    Serial.println("Connected to AP");
  }
}

void setup() {
  // initialize serial for debugging
  Serial.begin(SERIAL_DEBUG_BAUD);
  Serial.println();
  InitWiFi();
  pinMode(pinLDR, INPUT);
  pinMode(pinRelay1, OUTPUT);
  pinMode(pinRelay2, OUTPUT);
  pinMode(pinRelay3, OUTPUT);
  pinMode(pinRelay4, OUTPUT);
  pinMode(pinRelayPumpWater, OUTPUT);
  dhtSensor.setup(pinDHT, DHTesp::DHT22);

}

void loop() {
  delay(1000);

  if (WiFi.status() != WL_CONNECTED) {
    reconnect();
  }

  if (!tb.connected()) {
    // Connect to the ThingsBoard
    Serial.print("Connecting to: ");
    Serial.print(THINGSBOARD_SERVER);
    Serial.print(" with token ");
    Serial.println(TOKEN);
    if (!tb.connect(THINGSBOARD_SERVER, TOKEN)) {
      Serial.println("Failed to connect");
      return;
    }
  }

  Serial.println("Sending data...");

  // Uploads new telemetry to ThingsBoard using MQTT.
  // See https://thingsboard.io/docs/reference/mqtt-api/#telemetry-upload-api
  // for more details

  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  int temp = int(data.temperature);
  Serial.print("Suhu: "); 
  Serial.println(temp);
  tb.sendTelemetryInt("temperature", data.temperature);
  int hum = int(data.humidity);
  Serial.print("Kelembaban: "); 
  Serial.println(hum);
  tb.sendTelemetryInt("humidity", data.humidity);

  int analogValue = analogRead(pinLDR);
  float voltage = analogValue / 4096. * 5;
  float resistance = 2000 * voltage / (1 - voltage / 5);
  float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
  Serial.print("Lux: ");
  Serial.println(lux);
  tb.sendTelemetryInt("Lux", lux);
  
  // //Logika LDR dan Lampu
  //  if (lux >= 400){
  //   digitalWrite(pinRelay2, LOW);
  // }else{
  //   digitalWrite(pinRelay2, HIGH);
  // }

  // //Logika suhu dan fan
  // if (temp < 25){
  //   //lampu menyala
  //   digitalWrite(pinRelay1, HIGH);
  //   //exhaust menyala
  //   digitalWrite(pinRelay2, HIGH);
  // }else if (temp >= 27){
  //   //inhaust menyala
  //   digitalWrite(pinRelay3, HIGH);
  // }else{
  //   digitalWrite(pinRelay1, LOW);
  //   digitalWrite(pinRelay2, LOW);
  //   digitalWrite(pinRelay3, LOW);
  // }
  
  if (temp < 25 && lux < 400) {
    // suhu dibawah 25 malam
    digitalWrite(pinRelay1, LOW); // inhaust
    digitalWrite(pinRelay2, HIGH); // lampu
    digitalWrite(pinRelay4, HIGH); // exhaust
  } else if (temp >= 25 && temp <27 && lux < 400) {
    // suhu sekitar 25 - 27 malam
    digitalWrite(pinRelay1, LOW);
    digitalWrite(pinRelay2, HIGH);
    digitalWrite(pinRelay4, LOW);
  } else if (temp > 27 && lux < 400) {
    // suhu diatas 27 malam
    digitalWrite(pinRelay1, HIGH);
    digitalWrite(pinRelay2, LOW);
    digitalWrite(pinRelay4, LOW);
  } else if (temp < 25 && lux > 400) {
    // suhu dibawah 25 siang
    digitalWrite(pinRelay1, LOW);
    digitalWrite(pinRelay2, HIGH);
    digitalWrite(pinRelay4, HIGH);
  } else if (temp >= 25 && temp <27 && lux > 400) {
    // suhu sekitar 25 - 27 siang
    digitalWrite(pinRelay1, LOW);
    digitalWrite(pinRelay2, LOW);
    digitalWrite(pinRelay4, LOW);
  } else if (temp > 27 && lux > 400) {
    // suhu diatas 27 siang
    digitalWrite(pinRelay1, HIGH);
    digitalWrite(pinRelay2, LOW);
    digitalWrite(pinRelay4, LOW);
  }

  if (hum > 30) {
    digitalWrite(pinRelayPumpWater, HIGH);
  } else {
    digitalWrite(pinRelayPumpWater, LOW);
  }
  tb.loop();
}