<?php

/**
 * @author          Tassos Marinos <info@tassos.gr>
 * @link            https://www.tassos.gr
 * @copyright       Copyright © 2024 Tassos All Rights Reserved
 * @license         GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
 */

namespace Tassos\Framework\Helpers;

defined('_JEXEC') or die;

class Number
{
	/**
	 * Converts a number into a short version, eg: 1000 -> 1k
	 *
	 * @param	Number		$n			The number to create the shorter version
	 * @param	integer		$precision	
	 * 
	 * @return	string		The shorter version of the given number
	 */
	public static function toShortFormat($n, $precision = 1)
	{
		if ($n < 900)
		{
			// 0 - 900
			$n_format = number_format($n, $precision);
			$suffix = '';
		} else if ($n < 900000)
		{
			// 0.9k-850k
			$n_format = number_format($n / 1000, $precision);
			$suffix = 'K';
		} else if ($n < 900000000)
		{
			// 0.9m-850m
			$n_format = number_format($n / 1000000, $precision);
			$suffix = 'M';
		} else if ($n < 900000000000)
		{
			// 0.9b-850b
			$n_format = number_format($n / 1000000000, $precision);
			$suffix = 'B';
		} else
		{
			// 0.9t+
			$n_format = number_format($n / 1000000000000, $precision);
			$suffix = 'T';
		}
	
		// Remove unecessary zeroes after decimal. "1.0" -> "1"; "1.00" -> "1"
		// Intentionally does not affect partials, eg "1.50" -> "1.50"
		if ($precision > 0)
		{
			$dotzero = '.' . str_repeat( '0', $precision );
			$n_format = str_replace( $dotzero, '', $n_format );
		}
	
		return $n_format . $suffix;
	}
}