#include <WiFi.h>
#include "ThingSpeak.h"

const int T_PIN = 12;
const int E_PIN = 13;
const int LEFT = 14;
const int RIGHT = 27;
const int UP = 33;
const int DOWN  = 34;
const int end1 = 22;
const int end2 = 23;
float distance = 0;
int deadEnd = 0;

char ssid[] = "Wokwi-GUEST";
char pass[] = "";
WiFiClient Client;
unsigned long mychannel_number =  2641399;
const char* WriteKey = "HXUGC82JSY98D33Z";
int statusCode;

void getwifi()
{
  if(WiFi.status()!= WL_CONNECTED)
  {
    Serial.println("attemping to connect");
    while(WiFi.status()!= WL_CONNECTED)
    {
      WiFi.begin(ssid,pass);
      Serial.println(".");
      delay(1000);
    }
  }
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(LEFT, INPUT);
  pinMode(RIGHT, INPUT);
  pinMode(UP, INPUT);
  pinMode(DOWN, INPUT);
  pinMode(T_PIN,OUTPUT);
  pinMode(E_PIN,INPUT);
  pinMode(end1, INPUT);
  pinMode(end2, INPUT);

  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(Client);
}
float getDist() {
  digitalWrite(T_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(T_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(T_PIN, LOW);
  int duration = pulseIn(E_PIN, HIGH);
  return {duration * 0.034 / 2};
}

void loop() {

  

  getwifi();

  int e1 = 0;
  int e2 = 0;

  e1 = digitalRead(end1);
  e2 = digitalRead(end2);

  distance = getDist();

  int left = 0;
  int right = 0;
  int up = 0;
  int down = 0;

 
  delay(10);
  
  if (e1 == 0 || e2 == 0) 
    deadEnd = 1;
  else 
    deadEnd = 0;


  if(digitalRead(LEFT)==1) 
    left = 1;
  else
    left = 0;
  if(digitalRead(RIGHT)==1)  
    right = 1;
  else
    right = 0;
  if(digitalRead(UP)==1) 
    up = 1;
  else
    up = 0;
  if(digitalRead(DOWN)==1) 
    down = 1;
  else
    down = 0;

  Serial.println("Distance:"+String(distance));
  Serial.println("Left:"+String(left));
  Serial.println("Right"+String(right));
  Serial.println("Up:"+String(up));
  Serial.println("Down:"+String(down));
  Serial.println("Danger:"+String(deadEnd));

   //Storing 
  ThingSpeak.setField(1,distance);
  ThingSpeak.setField(2,left);
  ThingSpeak.setField(3,right);
  ThingSpeak.setField(4,up);
  ThingSpeak.setField(5,down);
  ThingSpeak.setField(6,deadEnd);
  statusCode = ThingSpeak.writeFields(mychannel_number,WriteKey);
  if(statusCode == 200)
  {
    Serial.println("the channel updated");
  }
  else
  {
    Serial.println("error"+String(statusCode));
  }
  delay(100);
}

/*
#include <DHTesp.h>
#include <WiFi.h>
#include "ThingSpeak.h"
const int dhtpin = 27;
TempAndHumidity data;
DHTesp dhtsensor;
const int trig =13;
const int echo = 14;
const int blue =17;
const int red = 19;
const int green = 18;
const int buzzer = 25;
int buzz_value;
float distance;
float duration;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
WiFiClient Client;
unsigned long mychannel_number =  2603253;
const char* WriteKey = "SM2DQLH0V0UGH2GZ";
int statusCode;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  dhtsensor.setup(dhtpin,DHTesp::DHT22);
  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(Client);
  pinMode(trig, OUTPUT);
  pinMode(echo, INPUT);
  pinMode(red, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(blue, OUTPUT);
  pinMode(buzzer, OUTPUT);

}

void getwifi()
{
  if(WiFi.status()!= WL_CONNECTED)
  {
    Serial.println("attemping to connect");
    while(WiFi.status()!= WL_CONNECTED)
    {
      WiFi.begin(ssid,pass);
      Serial.println(".");
      delay(6000);
    }
  }
  Serial.println("\n connected");
}

float getdistance()
{
  digitalWrite(trig,LOW);
  delayMicroseconds(4);
  digitalWrite(trig, HIGH);
  delayMicroseconds(100);
  digitalWrite(trig, LOW);
  duration = pulseIn(echo,HIGH);
  return(duration*0.034/2);
}
void redlight()
{
  if(distance >= 100)
  {
    tone(buzzer,1200);
    digitalWrite(red,HIGH);
    buzz_value = 1;
  }
  else
  {
    noTone(buzzer);
    digitalWrite(red, LOW);
    buzz_value = 0;
  }
  delay(10);
}
void bluelight()
{
  if(data.humidity <= 25)
  {
    digitalWrite(blue, HIGH);
  }
  else{
    digitalWrite(blue, LOW);
  }

  
}
void greenlight()
{
  if(data.temperature <= 12)
  {
    digitalWrite(green, HIGH);
  }
  else
  {
   digitalWrite(green, LOW);
  }

}

void loop() {
  getwifi();
  distance = getdistance();
  data = dhtsensor.getTempAndHumidity();
  redlight();
  bluelight();
  greenlight();
  ThingSpeak.setField(1,data.temperature);
  ThingSpeak.setField(2,data.humidity);
  ThingSpeak.setField(3,distance);
  ThingSpeak.setField(4,buzz_value);
  statusCode = ThingSpeak.writeFields(mychannel_number,WriteKey);
  if(statusCode == 200)
  {
    Serial.println("the channel updated");
  }
  else
  {
    Serial.println("error"+String(statusCode));
  }
  delay(15000);
}*/