/**
  RFID ESP and ThingSpeak - Wokwi ESP32, STM32, Arduino Simulator
*/

#include <WiFi.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include "DHTesp.h"
#include "ThingSpeak.h"

const int DHT_PIN = 15;
const int LED_PIN1 = 13;
const int LED_PIN2 = 14;
const int BUZ_PIN = 2;
const char* WIFI_NAME = "Wokwi-GUEST";
const char* WIFI_PASSWORD = "";
const char* server = "api.thingspeak.com";

DHTesp dhtSensor;
WiFiClient client;
LiquidCrystal_I2C lcd(0x27, 20, 4);

int count = 0;
char c;
String id;

void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  pinMode(LED_PIN1, OUTPUT);
  pinMode(LED_PIN2, OUTPUT);
  pinMode(BUZ_PIN, OUTPUT);

  WiFi.begin(WIFI_NAME, WIFI_PASSWORD);
  while (WiFi.status()!= WL_CONNECTED){
    delay(1000);
    Serial.println("Wifi not connected");
  }
  Serial.println("Wifi connected!");
  Serial.println("Local IP: " + String(WiFi.localIP()));
  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);

  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("RFID CARD PATIENT");
  lcd.setCursor(0, 1);
  lcd.print("Suhu:");
  lcd.setCursor(0, 2);
  lcd.print("Card: ");
  lcd.setCursor(0, 3);
  lcd.print("Name:");
}

void loop(){
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  float temp = data.temperature;

  lcd.setCursor(6,1);
  lcd.print("         ");
  lcd.setCursor(6,2);
  lcd.print("         ");
  lcd.setCursor(6,3);
  lcd.print("         ");
  digitalWrite(BUZ_PIN, LOW);

  while(Serial.available()>0)
  {
    c = Serial.read();
    count++;
    id += c;
    if(count == 12)  
    {
      Serial.print(id);
      //break;
     
      if(id=="E280689401A9")
      {
        sendToChannel1(temp);
      }
      else if(id=="E2000019060C")
      {
        sendToChannel2(temp);
      }
      else if(id=="G46RD9V40F3A")
      {
        sendToChannel3(temp);
      }
    }
  }
  count = 0;
  id="";
  delay(6000);
}

void sendToChannel1(float temp) {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  
  const int myChannelNumber1 = 2525779; // Channel 1
  const char* myApiKey1 = "HYE6LCV6A114793H";
  ThingSpeak.setField(1, temp);
  ThingSpeak.writeFields(myChannelNumber1, myApiKey1);
  Serial.println("Valid TAG");
  digitalWrite(LED_PIN1, LOW);
  digitalWrite(LED_PIN2, HIGH);
  digitalWrite(BUZ_PIN, HIGH);
  lcd.setCursor(6, 1);
  lcd.print(temp);
  lcd.setCursor(6,2);
  lcd.print("VALID");
  lcd.setCursor(6,3);
  lcd.print("Abe");
  
  int x = ThingSpeak.writeFields(myChannelNumber1,myApiKey1);
  if(x == 200){
    Serial.println("Data pushed successfull");
  }else{
    Serial.println("Push error" + String(x));
  }
  Serial.println("---");
  delay(8000);
}

void sendToChannel2(float temp) {
  const int myChannelNumber2 = 2288893; // Channel 2
  const char* myApiKey2 = "GWVEZGX3P6DRP29Z";
  ThingSpeak.setField(1, temp);
  ThingSpeak.writeFields(myChannelNumber2, myApiKey2);
  Serial.println("Valid TAG");
  digitalWrite(LED_PIN1, LOW);
  digitalWrite(LED_PIN2, HIGH);
  digitalWrite(BUZ_PIN, HIGH);
  lcd.setCursor(6, 1);
  lcd.print(temp);
  lcd.setCursor(6,2);
  lcd.print("VALID");
  lcd.setCursor(6,3);
  lcd.print("Cipung");
  delay(3000);

  int x = ThingSpeak.writeFields(myChannelNumber2,myApiKey2);
  if(x == 200){
    Serial.println("Data pushed successfull");
  }else{
    Serial.println("Push error" + String(x));
  }
  Serial.println("---");
  delay(5000);
}

void sendToChannel3(float temp) {
  const int myChannelNumber3 = 2578153; // Channel 3
  const char* myApiKey3 = "IB60FROCYSPQIO1M";
  ThingSpeak.setField(1, temp);
  ThingSpeak.writeFields(myChannelNumber3, myApiKey3);
  Serial.println("Valid TAG");
  digitalWrite(LED_PIN1, LOW);
  digitalWrite(LED_PIN2, HIGH);
  digitalWrite(BUZ_PIN, HIGH);
  lcd.setCursor(6, 1);
  lcd.print(temp);
  lcd.setCursor(6,2);
  lcd.print("VALID");
  lcd.setCursor(6,3);
  lcd.print("Name3");

 int x = ThingSpeak.writeFields(myChannelNumber3,myApiKey3);
  if(x == 200){
    Serial.println("Data pushed successfull");
  }else{
    Serial.println("Push error" + String(x));
  }
  Serial.println("---");
  delay(5000);
}