#include <LiquidCrystal_I2C.h>
#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4
LiquidCrystal_I2C LCD(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

// #include <WiFi.h>
// #include "ThingSpeak.h"
// const char* WIFI_NAME = "Wokwi-GUEST";
// const char* WIFI_PASSWORD = "";
// const int channelNumber = 2298981; //thingspeak channel ID
// const char* myWriteApiKey = "4NY3JGC455ZV2T3H"; //write API key from ThingSpeak
// const char* server = "api.thingspeak.com";
WiFiClient client;

int value = 0;

// #include <Timer.h>
// Timer timer1();

// Setting variables
#define LED 2
#define LDR 25
#define motion 12
#define swt11 4
#define swt12 5
#define swt21 23
#define manualMode 34
#define ON_OFF 19


void setup() {

  Serial.begin(9600);
  LCD.init();
  LCD.backlight();

  pinMode(ON_OFF, INPUT);
  pinMode(21, OUTPUT);
  pinMode (LDR, INPUT);
  pinMode(manualMode, INPUT);
  pinMode(LED, OUTPUT);
  pinMode(motion, INPUT);
  pinMode(swt11, INPUT_PULLUP);
  pinMode(swt12, INPUT_PULLUP);
  pinMode(swt21, INPUT_PULLUP);

  //esp32 module code
  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); 
  
}

void loop() {

  // Variables to be used in the code
  int valueLDR = map(analogRead(LDR), 0, 1023, 0, 255);
  int valueMan = map(analogRead(manualMode), 0, 1023, 0, 255);
  int onOFF = digitalRead(ON_OFF);
  String swt11Bool = "0";
  String swt12Bool = "0";
  String swt21Bool = "0";
  boolean swt11TF = false;
  boolean swt12TF = false;
  boolean swt21TF = false;

  ThingSpeak.setField(2,onOFF);

  // If statement for Auto mode with motion detection
  // if (digitalRead(swt11) && not(digitalRead(swt21))){
  //   swt11Bool = "1";
  //   if (digitalRead(motion)){
  //       analogWrite(LED, valueLDR);
  //       ThingSpeak.setField(1, LDR);
  //   }
  //   else{analogWrite(LED, LOW);}
  // }

  // // Else if for the auto using the only the photoresistor
  // else if (digitalRead(swt12) && not(digitalRead(swt21))){
  //   analogWrite(LED, valueLDR);
  //   ThingSpeak.setField(1, LDR);
  //   swt12Bool = "1";
  // }

  // // Else if for the manual mode using potentiometer 
  // else if (digitalRead(swt21)){
  //   analogWrite(LED, valueMan);
  //   ThingSpeak.setField(1, manualMode);
  //   swt21Bool = "1";
  // }
 if (digitalRead(swt11) && not(digitalRead(swt21))){
    swt11Bool = "1";
  }
  // Else if for the auto using the only the photoresistor
  else if (digitalRead(swt12) && not(digitalRead(swt21))){
    swt12Bool = "1";
  }
  // Else if for the manual mode using potentiometer 
  else if (digitalRead(swt21)){
    swt21Bool = "1";
  }

  if(swt11TF){
   if (digitalRead(motion)){
        analogWrite(LED, valueLDR);
        ThingSpeak.setField(1, LDR);
    }
    else{analogWrite(LED, LOW);}
  }
  else if(swt12TF){
    analogWrite(LED, valueLDR);
    ThingSpeak.setField(1, LDR);
  }
  else if(swt21TF){
    analogWrite(LED, valueMan);
    ThingSpeak.setField(1, manualMode);
  }

  LCD.setCursor(0, 0);
  LCD.print("Auto Motion:" + swt11Bool);
  LCD.setCursor(0, 1);
  LCD.print("Auto:" + swt12Bool);
  LCD.setCursor(8,1);
  LCD.print("Man:" + swt21Bool);

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