Motion detection arduino code

#define inputPin 5 // PIR Sensor
#define outputPin 4 // Relay
#define switchPin 2 // Switch button state

int val = 0;
bool motionState = false;
int timeBuffer = 6; // in seconds
int measurementInterval = 100; // in milliseconds
int i = 0;
int switchState = 0;

void setup() {
  Serial.begin(115200);
  Serial.println("\n Starting");
  pinMode(inputPin, INPUT);
  pinMode(switchPin, INPUT);
  pinMode(outputPin, OUTPUT);
}

void motionLightLoop() {
  val = digitalRead(inputPin);
  if(val == true) {
    while(i < timeBuffer * 1000 / measurementInterval){
      Serial.println("loop");
    
      digitalWrite(outputPin, HIGH); 
      val = digitalRead(inputPin);
      
      if(val == true) {
        Serial.println("reset");
        digitalWrite(outputPin, HIGH);
        i = 0;
      }
      delay(measurementInterval);
      i++;
    }
  }
  Serial.println("End");
  digitalWrite(outputPin, LOW);
  i = 0;
}

void loop() {
  switchState = digitalRead(switchPin);
  
  if(switchState == true) {
    motionLightLoop();
  } else {
    digitalWrite(outputPin, HIGH); 
  }
   delay(measurementInterval);
}