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Filename : Helpers.php
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<?php
namespace App\Libraries;

use App\Models\Admin;
use App\Models\Group;
use Validator;
use App\Models\SPWalletTransaction;
use App\Models\User;
use App\Services\EmailService;
use DB;
use Config;
use Carbon\Carbon;
use DateTime;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Session;
use Illuminate\Support\Str;
use League\Csv\Reader;
use Ramsey\Uuid\Uuid;

class Helpers
{

	public function __construct()
    {
        //do some stuff
    }

    static function successResponse($array, $response, $message)
    {

        $array['ResponseCode'] = $response;
        $array['ResponseMsg'] = $message;
        Log::debug("Success Response: ". print_r($array, true));

        return response()->json($array);
    }

    static function responseMessage($response, $message)
    {
        Log::debug("Response: ". print_r(['Code' => $response, 'Message' => $message], true));
        return response()->json([
        	"ResponseCode" => $response,
        	"ResponseMsg"=> $message
    	]);
    }

    public static function validatorErrorResponse($request, $path_params, $rules)
    {
        $validator = Validator::make(array_merge($request->all(), $path_params), $rules);
        if($validator->fails()){
            $data['errors'] = $validator->errors();
            $result = Helpers::successResponse($data, 422, 'Please validate request.');
            return array('flag' => 1, 'response' => $result);
        }
        return array('flag' => 0);
    }

    static function sendPushIOS($device_udid_array, $title, $message, $type, $id="")
    {

        $pem_file     = Config::get('constants.app.ios-pem-file-path');
        $pem_secret   = Config::get('constants.app.ios-passphrase');
        $apns_topic   = 'com.CoinsForCollege';

        $tAlert = $message;
        $tBadge = 0;
        $tSound = 'default';
        $tPayload = array(
           "title" => $title,
           "body" => $message,
           "type" => $type,
           "id" => $id,
        );
        $tBody['aps'] = array ('alert' => $tAlert,'badge' => $tBadge,'sound' => $tSound);
        $tBody ['payload'] = $tPayload;
        $tBody = json_encode($tBody);

        foreach ($device_udid_array as $key => $device_token) {
            if(strlen($device_token) == 64){
              if(!empty($device_token)){
                $url = "https://api.push.apple.com/3/device/$device_token";
                //$url = "https://api.sandbox.push.apple.com/3/device/$device_token";

                $ch = curl_init($url);
                curl_setopt($ch, CURLOPT_POSTFIELDS, $tBody);
                curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2_0);
                curl_setopt($ch, CURLOPT_HTTPHEADER, array("apns-topic: $apns_topic"));
                curl_setopt($ch, CURLOPT_SSLCERT, $pem_file);
                curl_setopt($ch, CURLOPT_SSLCERTPASSWD, $pem_secret);
                $response = curl_exec($ch);
                //print_r($response);exit;
                $httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
              }
            }
        }
    }

    static function sendPushAndroid($device_udid_array, $title, $message, $type, $id="")
    {
       // echo print_r($device_udid_array).'-'.$title.'-'.$message;exit;
        $url = 'https://fcm.googleapis.com/fcm/send';

        $fields = array(
            'registration_ids' => $device_udid_array,
           /* 'to' => $device_udid_array,*/
            'data' => array(
               "title" => $title,
               "body" => $message,
               "type" => $type,
               "id" => $id,
            ),
            /*'notification' => array(
              "title" => 'Coins',
              "text" => $message
            ),*/
       );

        $headers = array(
           'Authorization: key=' . Config::get('constants.app.android-auth-key'),
           'Content-Type: application/json'
        );

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($fields));
        $result = curl_exec($ch);
        if ($result === FALSE) {
               // die('Curl failed: ' . curl_error($ch));
        }
        curl_close($ch);

        //return $result;
    }

    static function storeNotifications($from_user_id, $to_user_ids, $title, $message, $table_name, $field_id)
    {
        return DB::table('notifications')->insert([
            'from_user_id' => $from_user_id,
            'to_user_ids' => implode(",", $to_user_ids),
            'title' => $title,
            'message' => $message,
            'table_name' => $table_name,
            'field_id' => $field_id,
            'created_at' => date("Y-m-d H:i:s")
        ]);
    }

    public static function dateDiffForHumans($date)
    {
        $fromDate = Carbon::parse($date)->addDays(1);
        $toDate = Carbon::now();

        $days = $toDate->diffInDays($fromDate, false);
        if($days == 1){
            return 'Due Tomorrow';
        } else if($days == 0){
            return 'Due Today';
        } else if($days > 0){
            return 'Due in '. $days.' days';
        } else if($days == -1){
            return 'Past Due by '. abs($days).' day';
        } else if($days < -1){
            return 'Past Due by '. abs($days) .' days';
        } else {
            return $fromDate->diffForHumans(['options' => Carbon::ONE_DAY_WORDS]);
        }
    }

    public static function dueByStrForHumans($date)
    {
        $fromDate = Carbon::parse($date)->addDays(1);
        $toDate = Carbon::now();

        $days = $toDate->diffInDays($fromDate, false);
        if($days == 1){
            return 'Tomorrow';
        } else if($days == 0){
            return 'Today';
        } else if($days > 0){
            return $days.' Days';
        } else if($days == -1){
            return 'Past Due by '. abs($days).' day';
        } else if($days < -1){
            return 'Past Due by '. abs($days) .' days';
        } else {
            return $fromDate->diffForHumans(['options' => Carbon::ONE_DAY_WORDS]);
        }
    }

    public static function expiresInStrForHumans($date)
    {
        $fromDate = Carbon::parse($date)->addDays(1);
        $toDate = Carbon::now();

        $days = $toDate->diffInDays($fromDate, false);
        if($days == 1){
            return 'Expires by Tomorrow';
        } else if($days == 0){
            return 'Expires Today';
        } else if($days > 0){
            return 'Expires in '. $days.' days';
        } else if($days == -1){
            return 'Expired '. abs($days).' day ago';
        } else if($days < -1){
            return 'Expired '. abs($days) .' days ago';
        } else {
            return $fromDate->diffForHumans(['options' => Carbon::ONE_DAY_WORDS]);
        }
    }

    static function notifyFromSchool($title, $message, $school, $users = []){
        if(empty($users)){
            Log::debug("not notifying via email, as user list is empty");
            return;
        }
        $toAddresses[] = ['email' => 'info@rewardsforeducation.com', 'name' => 'Info @ RewardsForEducation'];
        $toBccAddresses = [];
        foreach($users AS $user){
            $toBccAddresses[] = ['email' => $user->email, 'name' => $user->full_name];
        }

        $subject = 'You Have a New Message from '. $school->school_name;
        $data = [
            'schoolName' => $school->school_name,
            'message' => $message,
        ];

        $emailContent = view('EmailTemplates.notification_from_school', $data)->render();

        $emailService = new EmailService();
        $emailResponse = $emailService->sendEmail(
            null,
            null,
            $subject,
            $emailContent,
            $toAddresses,
            [],
            $toBccAddresses
            );
        if(!$emailResponse['success']){
            Log::error("failure in sending email: ". $emailResponse['message']);
        } else {
            Log::debug("email sent successfully: ". $emailResponse['message']);
        }
    }

    static function notifyTaskAssignment($task, $parentUser, $childUser){
        if(!empty($childUser->email)){
            Log::debug("not notifying via email, as email is not preset");
            return;
        }
        $toEmail = $childUser->email;
        $toName = $childUser->full_name;
        $subject = 'New Task Assigned';
        $data = [
            'recipientName' => $toName,
            'taskName' => $task->task_title,
            'assignedBy' => $parentUser->full_name
        ];

        $emailContent = view('EmailTemplates.task_assignment_notify_to_child', $data)->render();

        $emailService = new EmailService();
        $emailResponse = $emailService->sendEmail(
            $toEmail,
            $toName,
            $subject,
            $emailContent
            );
        if(!$emailResponse['success']){
            Log::error("failure in sending email: ". $emailResponse['message']);
        } else {
            Log::debug("email sent successfully: ". $emailResponse['message']);
        }
    }

    static function notifyTaskCompleted($task, $parentUser, $childUser){
        $toEmail = $parentUser->email;
        $toName = $parentUser->full_name;
        $subject = 'Task Claimed';
        $data = [
            'recipientName' => $toName,
            'taskName' => $task->task_title,
            'assignedTo' => $childUser->full_name
        ];

        $emailContent = view('EmailTemplates.task_completed_notify_to_parent', $data)->render();

        $emailService = new EmailService();
        $emailResponse = $emailService->sendEmail(
            $toEmail,
            $toName,
            $subject,
            $emailContent
            );
        if(!$emailResponse['success']){
            Log::error("failure in sending email: ". $emailResponse['message']);
        } else {
            Log::debug("email sent successfully: ". $emailResponse['message']);
        }
    }

    static function notifyTaskApproved($task, $parentUser, $childUser){
        if(!empty($childUser->email)){
            Log::debug("not notifying via email, as email is not preset");
            return;
        }
        $toEmail = $childUser->email;
        $toName = $childUser->full_name;
        $subject = 'Task Approved';
        $data = [
            'recipientName' => $toName,
            'taskName' => $task->task_title,
        ];

        $emailContent = view('EmailTemplates.task_approved_notify_to_child', $data)->render();

        $emailService = new EmailService();
        $emailResponse = $emailService->sendEmail(
            $toEmail,
            $toName,
            $subject,
            $emailContent
            );
        if(!$emailResponse['success']){
            Log::error("failure in sending email: ". $emailResponse['message']);
        } else {
            Log::debug("email sent successfully: ". $emailResponse['message']);
        }
    }

    static function notifyTaskRejected($task, $parentUser, $childUser){
        if(!empty($childUser->email)){
            Log::debug("not notifying via email, as email is not preset");
            return;
        }
        $toEmail = $childUser->email;
        $toName = $childUser->full_name;
        $subject = 'Task Rejected';
        $data = [
            'recipientName' => $toName,
            'taskName' => $task->task_title,
        ];

        $emailContent = view('EmailTemplates.task_rejected_notify_to_child', $data)->render();

        $emailService = new EmailService();
        $emailResponse = $emailService->sendEmail(
            $toEmail,
            $toName,
            $subject,
            $emailContent
            );
        if(!$emailResponse['success']){
            Log::error("failure in sending email: ". $emailResponse['message']);
        } else {
            Log::debug("email sent successfully: ". $emailResponse['message']);
        }
    }

    static function notifyTaskStatusChange($task, $parentUser, $changedBy, $newStatus){
        $toEmail = $parentUser->email;
        $toName = $parentUser->full_name;
        $subject = 'Task Status Change';
        $data = [
            'recipientName' => $toName,
            'taskName' => $task->task_title,
            'currentStatus' => $newStatus,
            'updatedBy' => $changedBy->email,
        ];

        $emailContent = view('EmailTemplates.task_status_change_notification_to_parent', $data)->render();

        $emailService = new EmailService();
        $emailResponse = $emailService->sendEmail(
            $toEmail,
            $toName,
            $subject,
            $emailContent
            );
        if(!$emailResponse['success']){
            Log::error("failure in sending email: ". $emailResponse['message']);
        } else {
            Log::debug("email sent successfully: ". $emailResponse['message']);
        }
    }

    static function notifyTaskRevokeChange($task, $parentUser, $childUser){
        $toEmail = $parentUser->email;
        $toName = $parentUser->full_name;
        $subject = 'Task Moved to Pending';
        $data = [
            'recipientName' => $toName,
            'taskName' => $task->task_title,
            'childName' => $childUser->full_name,
        ];

        $emailContent = view('EmailTemplates.task_revoked_notify_parent', $data)->render();

        $emailService = new EmailService();
        $emailResponse = $emailService->sendEmail(
            $toEmail,
            $toName,
            $subject,
            $emailContent
            );
        if(!$emailResponse['success']){
            Log::error("failure in sending email: ". $emailResponse['message']);
        } else {
            Log::debug("email sent successfully: ". $emailResponse['message']);
        }
    }

    public static function daysToHumanCalenderTerm($days) {
        if ($days < 1) {
            return 'less than a day';
        }

        $units = [
            'year' => 365,
            'month' => 30,
            'week' => 7,
            'day' => 1,
        ];

        $result = '';

        foreach ($units as $unit => $value) {
            if ($days >= $value) {
                $count = floor($days / $value);
                $result .= "$count $unit" . ($count > 1 ? 's' : '') . ' ';
                $days %= $value;
            }
        }

        return trim($result);
    }

    public static function eventDateTimeToHumanReadable($eventDate)
    {
        $eventDateTime = new DateTime($eventDate);
        $currentDateTime = new DateTime();

        $interval = $eventDateTime->diff($currentDateTime);
        $daysDifference = $interval->days;

        if ($daysDifference < 1) {
            $hoursDifference = $interval->h + ($interval->i / 60);
            if ($hoursDifference < 1) {
                $minutesDifference = $interval->i;
                return intval($minutesDifference)." minute" . ($minutesDifference >= 2 ? 's' : '') . ' ago';
            } else {
                return intval($hoursDifference)." hour" . ($hoursDifference >= 2 ? 's' : '') . ' ago';
            }
        } else {
            return $eventDateTime->format('h:i A | jS M Y');
        }
    }

    public static function shouldShowParentView(User $user, $group_id){
        $currentGroup = Group::where('group_id', $group_id)->first();

        if($currentGroup->owner_user_id == $user->user_id){
            return true;
        }
        $members = $currentGroup->members;
        if($members != null && count($members) > 0){
            foreach($members AS $member){
                if($member->member_user_id == $user->user_id){
                    if($member->role != null && in_array($member->role->name, ['PARENT', 'SOCIAL_WORKER', 'OWNER'])){
                        return true;
                    }
                }
            }
        }
        return false;
    }

    public static function formatDecimanPoints($number_to_format, $digits_after_decimal_point){
        return rtrim(sprintf('%.'.$digits_after_decimal_point.'F', $number_to_format), '');
    }

    public static function formatDecimanPointsTUIT($tuit_balance){
        return rtrim(sprintf('%.3F', $tuit_balance), '');
    }

    public static function formatDecimanPointsSP($sp_balance){
        return $sp_balance;
    }

    public static function getNumericUUID(){
        // Generate a UUID
        $uuid = Uuid::uuid4();

        // Convert the UUID to a hexadecimal string
        $hexUuid = $uuid->toString();

        // Remove the hyphens from the hexadecimal UUID
        $hexUuidWithoutHyphens = str_replace('-', '', $hexUuid);

        // Convert the hexadecimal UUID to a numeric representation
        $numericUuid = base_convert($hexUuidWithoutHyphens, 16, 10);
        $numericUuid = str_pad(substr($numericUuid, 0, 11), 11, '0', STR_PAD_RIGHT);
        return $numericUuid;
    }

    public static function getStringUUID(){
        // Generate a UUID
        $uuid = Uuid::uuid4();

        // Convert the UUID to a hexadecimal string
        $hexUuid = $uuid->toString();
        return $hexUuid;
    }

    public static function fromMbToHumanReadable($mb_value){
        $value_human_str = "";
        $mb_value = floatval($mb_value);
        if($mb_value >= 1024.0){
            //GB
            $value_human_str = ( $mb_value / 1024 ) ." GB";
        } else if($mb_value > 1.0){
            //MB
            $value_human_str = ( $mb_value  ) ." MB";
        } else if(($mb_value * 1024) > 1.0){
            //KB
            $value_human_str = ( $mb_value * 1024.0 ) ." KB";
        } else if(($mb_value * 1024.0 * 1024 ) > 1.0){
            //Bytes
            $value_human_str = ( $mb_value * 1024.0 * 1024.0) ." Bytes";
        } else if($mb_value == 0){
            $value_human_str = "0 Bytes";
        }
        return $value_human_str;
    }

    public static function getCsvFileInfo($file)
    {
        // Get the file size
        $fileSize = $file->getSize();

        // Get the path of the file
        $filePath = $file->getRealPath();

        // Create a CSV reader instance
        $csv = Reader::createFromPath($filePath, 'r');
        $csv->setHeaderOffset(0); // Assuming the first row is the header

        // Count the number of rows
        $rowCount = iterator_count($csv->getRecords()) + 1; // +1 to include the header row

        return [
            'fileSize' => $fileSize,
            'rowCount' => $rowCount,
        ];
    }

    public static function getFirstDateOfMonth($yearMonth)
    {
        // Create a DateTime object from the 'yyyy-mm' string
        $date = DateTime::createFromFormat('Y-m', $yearMonth);

        // Set the day to 1 to get the first date of the month
        $date->setDate($date->format('Y'), $date->format('m'), 1);

        // Return the date in 'Y-m-d' format
        return $date->format('Y-m-d');
    }

    public static function getFilterOptionsForTasksFromSession(){
        $task_filter_options = Session::get('taskFilterOptions', []);
        return $task_filter_options;
    }

    public static function updateFilterOptionsForTasksInSession($group_id, $goal_id, $task_type, $visible_to){
        $task_filter_options = [
            "group_id" => $group_id,
            "goal_id" => $goal_id,
            "task_type" => $task_type,
            "visible_to" => $visible_to];
        Session::put('taskFilterOptions', $task_filter_options);
    }

    public static function getFilterOptionsForProductsFromSession(){
        $product_filter_options = Session::get('productFilterOptions', []);
        return $product_filter_options;
    }

    public static function updateFilterOptionsForProductsInSession($product_category_id, $visible_to){
        $product_filter_options = [
            "product_category_id" => $product_category_id,
            "visible_to" => $visible_to];
        Session::put('productFilterOptions', $product_filter_options);
    }

    public static function isValidEmail($email) {
        return filter_var($email, FILTER_VALIDATE_EMAIL) !== false;
    }

    public static function getCurrentSchool(Admin $user){
        $school = $user->schools && count($user->schools) > 0
            ? $user->schools[0] : null;
        return $school;
    }

    public static function countWeekends($month, $year) {
        // Create a Carbon instance for the first day of the month
        $startOfMonth = Carbon::create($year, $month, 1);
        $endOfMonth = $startOfMonth->copy()->endOfMonth();

        $saturdays = 0;
        $sundays = 0;

        // Iterate through each day of the month
        for ($date = $startOfMonth; $date->lte($endOfMonth); $date->addDay()) {
            if ($date->isSaturday()) {
                $saturdays++;
            }
            if ($date->isSunday()) {
                $sundays++;
            }
        }

        // return [
        //     'saturdays' => $saturdays,
        //     'sundays' => $sundays,
        // ];
        return $saturdays+$sundays;
    }

}