#include <WiFi.h>
#include <PubSubClient.h>
//#include "DHTesp.h"

//const int DHT_PIN = 15;

//DHTesp dhtSensor;

const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* mqtt_server = "trisna.cloud.shiftr.io";

WiFiClient espClient;
PubSubClient client(espClient);
unsigned long lastMsg = 0;
#define MSG_BUFFER_SIZE  (50)
float temp = 0;
float hum = 0;
int value = 0;
#define MSG_BUFFER_SIZE	(50)
char msg[MSG_BUFFER_SIZE];

void setup_wifi() {

  delay(10);
  // We start by connecting to a WiFi network
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);

  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  randomSeed(micros());

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}

void callback(char* topic, byte* payload, unsigned int length) {
  Serial.print("Message arrived [");
  Serial.print(topic);
  Serial.print("] ");
  for (int i = 0; i < length; i++) {
    Serial.print((char)payload[i]);
  }
  Serial.println();

  // Switch on the LED if an 1 was received as first character
  if ((char)payload[0] == '1') {
    digitalWrite(2, LOW);   // Turn the LED on (Note that LOW is the voltage level
    // but actually the LED is on; this is because
    // it is active low on the ESP-01)
  } else {
    digitalWrite(2, HIGH);  // Turn the LED off by making the voltage HIGH
  }

}

void reconnect() {
  // Loop until we're reconnected
  while (!client.connected()) {
    Serial.print("Attempting MQTT connection...");
    // Create a random client ID
    String clientId = "ESP8266Client-";
    clientId += String(random(0xffff), HEX);
    // Attempt to connect
    if (client.connect(clientId.c_str())) {
      Serial.println("Connected");
      // Once connected, publish an announcement...
      client.publish("/trisna/mqtt", "Indobot");
      // ... and resubscribe
      client.subscribe("/trisna/mqtt");
    } else {
      Serial.print("failed, rc=");
      Serial.print(client.state());
      Serial.println(" try again in 5 seconds");
      // Wait 5 seconds before retrying
      delay(5000);
    }
  }
}

void setup() {
  pinMode(2, OUTPUT);     // Initialize the BUILTIN_LED pin as an output
  Serial.begin(115200);
  setup_wifi();
  client.setServer(mqtt_server, 1883);
  client.setCallback(callback);
  //dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
}

void loop() {
 static char Volt1[15];
 static char Volt2[15];
 static char Amp1[15];
 static char Amp2[15];
 static char Pow1[15];
 static char Pow2[15];
  
  if (!client.connected()) {
    reconnect();
  }
  client.loop();

  unsigned long now = millis();
  if (now - lastMsg > 2000) {
    lastMsg = now;
    //TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  int sensorValue1 = analogRead(33); // Read from the first potentiometer connected to pin 12
  int sensorValue2 = analogRead(32); // Read from the second potentiometer connected to pin 14

  float voltage1 = sensorValue1 * (5.0 / 4095); // Convert sensor value to voltage for potentiometer 1
  float voltage2 = sensorValue2 * (5.0 / 4095); // Convert sensor value to voltage for potentiometer 2
  
 float ampere1 = voltage1 * 2;
  float ampere2 = voltage2 * 3;
  float power1 = voltage1 * ampere1;
  float power2 = voltage2 * ampere2;
  
  
  dtostrf(voltage1,5,1,Volt1);
  dtostrf(voltage2,5,1,Volt2);
   dtostrf(ampere1,5,1,Amp1);
  dtostrf(ampere2,5,1,Amp2);
   dtostrf(power1,5,1,Pow1);
  dtostrf(power2,5,1,Pow2);


   
    
    Serial.print("Votage 1 ");
    Serial.println(voltage1);
    client.publish("/trisna/voltage1", Volt1);
    Serial.print("Votage 2 ");
    Serial.println(voltage2);
    client.publish("/trisna/voltage2", Volt2);

    Serial.print("Ampere 1 ");
    Serial.println(ampere1);
    client.publish("/trisna/ampere1", Amp1);
    Serial.print("Ampere 2 ");
    Serial.println(ampere2);
    client.publish("/trisna/ampere2", Amp2);

    Serial.print("Power 1 ");
    Serial.println(power1);
    client.publish("/trisna/power1", Pow1);
    Serial.print("Power 2 ");
    Serial.println(power2);
    client.publish("/trisna/power", Pow2);
  }
}