const int   DOR  = 3;    // Door Sensing
const int   Bzr  = 6;    // Buzzer
const int   Rly  = 2;    // Relay.
const int   MSI  = A0;   // Motion Sensor Input
const int   LSI  = A1;   // Light  Sensor Input 
const int   DSPB  = 4;    // Display Light Blue       
const int   DSPR  = 5;    // Display Light RED
const int   DSPG  = 7;    // Display Light Green
const int   DSPW  = 8;    // Display Light White
const int   KLED  = 9;    // key Led


// Door Sataus Defining
int EDOR;     // Enable Door Status input
int EDSA;     // Enable Door Status Alarm
int EDAS;     // Enable Door Alarm Sound
int CDS = 0;    // Current  Door Status
int PDS = 0;    // Previous Door Status
int LMS = 0;    // Lock Motion Sensor on Alarm



// Motion Sensor Input
int EMS;        // Enable Motion Sensor
int MSS;        // Motion Sensor Sound
int MST;        // Motion Sensor Trugger
int MTD;        // Motion Trugger Delay
int CMS = 0;    // Current Motion Sensor Reading
int DMS;        // Disable Motion Sensor over Open Door


// Light can be redifined as per user requirment 
int MSL;   // Motion Sensor Light 
int DSL;   // Door Signal Light
int DAL;   // Door Alarm Light
int DSP;
int EDSP;  // Enable Display Light

// Time Farm Counting
long unsigned int CRT;             // Current Running Time
long unsigned int DTT  = 0;        // Door  Trugger TIme
long unsigned int FTT  = 0;        // Final Trugger Time
long unsigned int DSAW = 3000;     // Door Sensor Alarm Wait

// Light Sensor defining
int LSL;          // Light Sensor Limit
int ELS;          // Enable Light Sensor
int CLS = 0;      // Current Light Sensor Status
int LST1;         // Light Sensor Task 1
int LST2;         // Light Sensor Task 2

void setup() 
{
  pinMode(DOR,    INPUT);
  pinMode(MSI,    INPUT_PULLUP);
  pinMode(DSPR,  OUTPUT);
  pinMode(DSPB,  OUTPUT);
  pinMode(DSPW,  OUTPUT);
  pinMode(Bzr,   OUTPUT);
  pinMode(DSPG,  OUTPUT);
  pinMode(Rly,   OUTPUT);
  pinMode(KLED,  OUTPUT);
  Serial.begin(9600);

EDOR = 1;
EDSA = 1;
EDAS = 1;
EDSP = 1;   // Enable Display Light Normal


EMS  = 1;
MSS  = 1;
MST =  1;
MTD =  1000;
MSL  = DSPG;
DSL  = DSPB;
DAL  = DSPR;
DSP  = DSPW;

LSL = 1000;
ELS = 1;
}


void loop()
{
// Motion Sensor Conditon and configuration
if (EMS == true && DMS != true)
{ CMS = analogRead(MSI);}
if ( CMS <= 100 )
{
digitalWrite(MSL, HIGH);
delay(MTD); 
digitalWrite(MSL, LOW);
}

if ( EMS == true && CMS <= 100 && MSS == true)
{
digitalWrite(Bzr, HIGH);
digitalWrite(DSP, LOW);
delay(MTD); 
digitalWrite(Bzr,  LOW);
}
if ( EMS == true && CMS <= 100 && MST == true)
{
digitalWrite(Rly, HIGH);
delay(MTD); 
digitalWrite(Rly,  LOW);
}


// Door Sensor Configuration & Conditions
  CRT = millis();
  if ( EDOR == true)
  { CDS = digitalRead(DOR); }

   if (CDS != PDS) 
  { 
    if (CDS == HIGH) 
    {
      DTT = millis();
      digitalWrite(DSL, HIGH);
      Serial.print("Current Time State is ");
      Serial.println(CRT);
    } 
    else 
    {
      digitalWrite(DSL, LOW);
      Serial.print("Final Time State is ");
      Serial.println(FTT);
    }
    delay(50);
  }
 FTT = CRT - DTT;

if(EDSA == true)
{
if( CRT - DTT >= DSAW && CDS == HIGH)
  { digitalWrite(DAL, HIGH);
  digitalWrite(DSP, LOW); }
  else if( CDS == LOW)
  {
    digitalWrite(DAL, LOW);
    DTT = 0;
    FTT = 0;
  }
if (EDAS == true && CRT - DTT >= DSAW && CDS == HIGH)
{
digitalWrite(Bzr, HIGH);
digitalWrite(DSP, LOW);
}
else
{ digitalWrite(Bzr, LOW);}
}
if (CDS == HIGH && LMS == true)
{ DMS = 1;}
else
{ DMS = 0;}
PDS = CDS;

if ( ELS == true)
{ CLS = analogRead(LSI);}
if ( CLS >= LSL)
{ digitalWrite(KLED, HIGH);}
else
{
  digitalWrite(KLED, LOW);
}

if(CDS == HIGH && EDSP == true)
{ digitalWrite(DSP, LOW);}
else if (CLS >= LSL && ELS == true)
{ digitalWrite(DSPW, LOW);}
else if( EDSP == true)
{  digitalWrite(DSP, HIGH); }



}