Task 3.1P

// Required Libraries
#include <Wire.h>
#include <Digital_Light_TSL2561.h>
#include "RTCZero.h"
#include <WiFiNINA.h>

// Retrieve SSID and PASS from Secrets tab
char ssid[] = SECRET_SSID;
char pass[] = SECRET_PASS; 

// Set light value theshold to '500'
#define SUNLIGHT_THESHOLD 500
// Define start and finish hours in 24 hour time (eg, start at 5AM and end at 10PM)
#define START_HOUR 0
#define END_HOUR 23

// Create timer
RTCZero timer;
// Create WiFI client
WiFiClient client;

// Set values of IFTTT
char   HOST_NAME[] = "maker.ifttt.com";
String PATH_NAME_ACTIVE   = "/trigger/SIT210_sunlight_active/with/key/bsTA0nAnAhy2wXdVbIuu4C";
String PATH_NAME_INACTIVE   = "/trigger/SIT210_sunlight_inactive/with/key/bsTA0nAnAhy2wXdVbIuu4C";
String PATH_NAME_TIME   = "/trigger/SIT210_sunlight_time/with/key/bsTA0nAnAhy2wXdVbIuu4C";
String queryString = "?value1=57&value2=25";

void setup()
{
  // Initialize WiFi connection
  WiFi.begin(ssid, pass);
  // Initialize Wire
  Wire.begin();
  // Initialize Digital Light Sensor
  TSL2561.init();
  
  // Initialize serial and wait for port to open
  Serial.begin(9600);
  while (!Serial);
  delay(1500); 

  // Connect to web server on port 80
  if (client.connect(HOST_NAME, 80)) 
  {
    // if connected:
    Serial.println("Connected to server");
  }
  else 
  {
    // If not connected:
    Serial.println("connection failed");
  }

  // Start timer
  timer.begin();

  // Initialise LED_BUILTIN (inbuilt LED) as an output
  pinMode(LED_BUILTIN, OUTPUT);
}

void loop()
{
  // Declare variables to determine time terrarium is exposed to sunlight
  int sunlightTime = 0;
  int sunlightVal;
  bool sunlightActive = false;
  int counter = 0;

  // 1 second delay before inital timing condition is checked
  delay(1000);
  
  while (client.connected()) 
  {
    // Program will run and detect while within desired time frame
    if (timer.getHours() >= START_HOUR && timer.getHours() <= END_HOUR)
    {
      // Loop will run every second and take a reading. Led will blink once every minute to ensure code is running correctly.
      counter++;
      if (counter % 60 == 0)
      {
        digitalWrite(LED_BUILTIN, HIGH);
        delay(1000);
        digitalWrite(LED_BUILTIN, LOW);
      }
      else
      {
        delay(1000);
      }

      // Take reading of current light and act if state has chaged
      sunlightVal = TSL2561.readVisibleLux();
      if (sunlightVal >= SUNLIGHT_THESHOLD)
      {
        sunlightTime++;
        if (!sunlightActive)
        {
          sunlightActive = true;
          // Send IFTTT trigger
          Serial.println("Sending IFTTT Trigger");
          client.println("GET " + PATH_NAME_ACTIVE + queryString + " HTTP/1.1");
          client.println("Host: " + String(HOST_NAME));
          client.println("Connection: close");
          client.println();
        }
      }
      // If light was present and no longer is send notification
      else
      {
        if (sunlightActive)
        {
          sunlightActive = false;
          // Send IFTTT trigger
          Serial.println("Sending IFTTT Trigger");
          client.println("GET " + PATH_NAME_INACTIVE + queryString + " HTTP/1.1");
          client.println("Host: " + String(HOST_NAME));
          client.println("Connection: close");
          client.println();
        }
      }
  
      if (sunlightTime == 7200)
      {
        // Send IFTTT trigger
        client.println("GET " + PATH_NAME_TIME + queryString + " HTTP/1.1");
        client.println("Host: " + String(HOST_NAME));
        client.println("Connection: close");
        client.println();
      }
      
      // Serial print for testing
      Serial.print("The current light value is: ");
      Serial.println(sunlightVal);
      Serial.print("Total seconds of sunlight gained is: ");
      Serial.println(sunlightTime);
      Serial.print("Current time: ");
      Serial.print(timer.getHours());
      Serial.print(":");
      Serial.print(timer.getMinutes());
      Serial.print(":");
      Serial.println(timer.getSeconds());
    }
  }
  // The server's disconnected, stop the client
  client.stop();
  Serial.println();
  Serial.println("Disconnected");
}