/*
  ESP32 HTTPClient Example
  PVS 2/3
*/

#include <WiFi.h>
#include <HTTPClient.h>
#include <DHT.h>

#define DHTTYPE DHT22
#define DHT_Pin 26
#define LUX_Pin A6
DHT DHT_sensor(DHT_Pin,DHTTYPE);
float humi;
float temp;
int light;
float lux;

const char* ssid = "Wokwi-GUEST";
const char* password = "";
/***************************************/
const int Relay1_Pin = 2;
const int Relay2_Pin = 4;
const int Relay3_Pin = 15;
const int SW1_Pin = 12;
const int SW2_Pin = 14;
const int SW3_Pin = 27;

String s = " ";
/**************************************/
// Google sc cript Ip and reguired credentials
String GOOGLE_SCRIPT_URL = "https://script.google.com/macros/s/AKfycbyR9Vh7Z3uovVXDn026OxIYLrRwsK8NB7mWyUb-TdqLl5Jy7_nrcYw4m7v6NGTqLHZ_pg/exec";
String manualMode_GOOGLE_SCRIPT_URL = "https://script.google.com/macros/s/AKfycbz4vNkfaaZIVBa4Lb1xNeY6V5A4xWR8H8mf-TdQFAjLlx4MJExXoDSE4yKpSnhHgQCWvw/exec";

unsigned long previousTime1 = millis();
long timeInterval1 = 10000;       //10 วินาที
int currentTime ;

String hh_time_on;
String mm_time_on;
String hh_time_off;
String mm_time_off;
String hh_time_now;
String mm_time_now;
int Mode = 0;
String ADMIN;

void setup() {
  Serial.begin(115200);
  /***************sensor*****************/
  DHT_sensor.begin();
  pinMode(LUX_Pin, INPUT);
  /***************sensor*****************/

  pinMode(Relay1_Pin, OUTPUT);
  pinMode(Relay2_Pin, OUTPUT);
  pinMode(Relay3_Pin, OUTPUT);
  pinMode(SW1_Pin, INPUT_PULLUP);
  pinMode(SW2_Pin, INPUT_PULLUP);
  pinMode(SW3_Pin, INPUT_PULLUP);
 
  WiFi.begin(ssid, password, 6);

  Serial.print("Connecting to WiFi");
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }

  Serial.print("OK! IP=");
  Serial.println(WiFi.localIP());  
}

void loop() {
  unsigned long currentTime = millis();
   
  /***************sensor*****************/
  humi = DHT_sensor.readHumidity();
  temp = DHT_sensor.readTemperature();
  light = analogRead(LUX_Pin);
  float voltage = light / 4096. * 3.3;
  float resistance = 2000 * voltage / (1 - voltage / 3.3);
  lux = pow(33 * 1e3 * pow(10, 0.7) / resistance, (1 / 0.7));
  /***************sensor*****************/  

  //controlTime();
  if(currentTime - previousTime1 >= timeInterval1){
    previousTime1 = currentTime;
    dataLogger();
    controlRelay();
  }

 
     if(Mode == 0){
       controlSensor();
     }else{
       Manual();
       Mode = 1;
    } 

}

void Manual(){

    if(digitalRead(SW1_Pin) == 0){
    Serial.println("SW1");
    digitalWrite(Relay1_Pin,!digitalRead(Relay1_Pin));
    manualMode();
    controlRelay();
    }
    if(digitalRead(SW2_Pin) == 0){
    Serial.println("SW2");
    digitalWrite(Relay2_Pin,!digitalRead(Relay2_Pin));
    manualMode();
    controlRelay();
    }
    delay(200);
}

void controlSensor(){  
  if(temp > 30.0){
    digitalWrite(Relay1_Pin, HIGH);
  }else{
    digitalWrite(Relay1_Pin, LOW);
  }
  if(lux < 100){
    digitalWrite(Relay2_Pin, HIGH);
  }else{
    digitalWrite(Relay2_Pin, LOW);
  }
}

void controlRelay(){

    String R1 = s.substring(0, 1);
    String R2 = s.substring(2, 3);
    String sMode = s.substring(4, 5);
    Serial.println(R1);
    Serial.println(R2);
    Serial.println(Mode);
    int relay_number1 = R1.toInt();
    int relay_number2 = R2.toInt();

    Mode= sMode.toInt();

  
    digitalWrite(Relay1_Pin,relay_number1);
    digitalWrite(Relay2_Pin,relay_number2);
}

void controlTime(){
  if(hh_time_on == hh_time_now && mm_time_on == mm_time_now ){
    digitalWrite(Relay3_Pin, HIGH);
  }
  if(hh_time_off == hh_time_now && mm_time_off == mm_time_now ){
    digitalWrite(Relay3_Pin, LOW);
  }
}

void dataLogger(){

  //String urlFinal= "https://script.google.com/macros/s/"+ GOOGLE_SCRIPT_ID + "/exec?FIELD1="+ string_temp +"&FIELD2="+ string_humi +"&FIELD3="+string_lux;
  String urlFinal= GOOGLE_SCRIPT_URL+"?FIELD1="+ temp +"&FIELD2="+ humi +"&FIELD3="+lux;
  Serial.print("Post data to spreadsheet!");
  Serial.println(urlFinal);
// Object http form HTTPClient
  HTTPClient http;
// Connect to WebApp with URL
  http.begin(urlFinal.c_str());
  http.setFollowRedirects(HTTPC_STRICT_FOLLOW_REDIRECTS);
// Get HTTP status Code
  int httpcode = http.GET();
  Serial.print("HTTP status Code: ");
  Serial.println(httpcode);

// Getting response from webApp
  String payload;
  if (httpcode > 0){
    payload = http.getString();
    Serial.println("Payload : "+ payload);
    s = payload;
  }
  http.end();
}

void manualMode(){
bool Relay1 = digitalRead(Relay1_Pin);
bool Relay2 = digitalRead(Relay2_Pin);

String urlFinal= manualMode_GOOGLE_SCRIPT_URL+"?SW1="+ Relay1 +"&SW2="+ Relay2;
  Serial.print("Post data to spreadsheet!");
  Serial.println(urlFinal);
// Object http form HTTPClient
  HTTPClient http;
// Connect to WebApp with URL
  http.begin(urlFinal.c_str());
  http.setFollowRedirects(HTTPC_STRICT_FOLLOW_REDIRECTS);
// Get HTTP status Code
  int httpcode = http.GET();
  Serial.print("HTTP status Code: ");
  Serial.println(httpcode);

// Getting response from webApp
  String payload;
  if (httpcode > 0){
    payload = http.getString();
    Serial.println("Payload : "+ payload);
    s = payload;
  }
  http.end();
  previousTime1 = millis();
}