<?php

// File: app/Helpers/Uuid_helper.php

if (!function_exists('generate_uuid')) {
    function generate_uuid($version = 4, $format = 'hex')
    {
        $data = random_bytes(16);
        // echo $data.'<br>';
            // Set version to 0100
        $data[6] = chr(ord($data[6]) & 0x0f | 0x40);
        // Set bits 6-7 to 10
        $data[8] = chr(ord($data[8]) & 0x3f | 0x80);

        // Output the 36 character UUID.
        $uuid = vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
        return $uuid;
    }
}

if (!function_exists('change_date_format')) {
    
    function change_date_format($data, $source_format, $output_format)
    {
        // echo $data, $source_format, $output_format;return true;
        try {
            // Create DateTime object with the source format
            $dateTime = DateTime::createFromFormat($source_format, $data);

            // Check if the DateTime object is created successfully
            if ($dateTime === false) {
                throw new Exception('Invalid date or format');
            }
            // Format the DateTime object with the output format
            $formattedDate = $dateTime->format($output_format);

            return $formattedDate;
        } catch (Exception $e) {
            // Handle the exception (e.g., log it, show a user-friendly message)
            return "Error: " . $e->getMessage();
            return $data;
        }
    }
}

if (!function_exists('file_Upload')) {
    
    function file_Upload($fileToUpload, $imageDetails = null)
    {
        $fileName = $fileToUpload->getClientName();
        if ($fileToUpload !== NULL && $fileName !== "") {
            if ($fileToUpload->isValid() && !$fileToUpload->hasMoved()) {
                // Check if the image exists in the upload folder
                $existingImagePath = ROOTPATH . 'public/uploads/' . $imageDetails; // Adjust filename field based on your database structure
                
                if ($imageDetails !== null && file_exists($existingImagePath)) {
                    // If the image exists, delete it
                    unlink($existingImagePath);
                }
        
                // Move the new image to the upload folder
                $fileToUpload->move(ROOTPATH . 'public/uploads', $fileName);
            }
        } else {
            $fileName = "";
        }
        
        return $fileName;
        
    }
}

if (!function_exists('fancy_date_time_format')) 
{
    function fancy_date_time_format($datetime,$return_type = 'fancy') {
        $currentDateTime = new DateTime();
        $passedDateTime = new DateTime($datetime);


            // Calculate the interval between the current time and the passed datetime
            $interval = $currentDateTime->diff($passedDateTime);
            // return change_date_format($datetime,'Y-m-d H:i:s','d M Y h:i a');
                // If the interval is more than 1 month, return the original datetime
            if ($interval->m > 1 || $interval->y > 0) {
                if($return_type = 'fancy'){ return change_date_format($datetime,'Y-m-d H:i:s','d M Y h:i a'); }
                return $datetime;
            } elseif ($interval->m == 1 && $interval->y == 0) {
                return "1 month ago";
            } elseif ($interval->d >= 7) {
                $weeks = floor($interval->d / 7);
                return $weeks == 1 ? "1 week ago" : "$weeks weeks ago";
            } elseif ($interval->d >= 1) {
                return $interval->d == 1 ? "1 day ago" : $interval->d . " days ago";
            } elseif ($interval->h >= 1) {
                return $interval->h == 1 ? "1 hour ago" : $interval->h . " hours ago";
            } elseif ($interval->i >= 1) {
                return $interval->i == 1 ? "1 minute ago" : $interval->i . " minutes ago";
            } else {
                return "Just now";
            }
    }

}


if(!function_exists('check_string_date'))
{
    function check_string_date($str)
    {
        if (DateTime::createFromFormat('Y-m-d H:i:s', $str) !== false) {
            return true;
        }
        return false;
    }
}