<?php

function mgToWeight(int $value, string $unit) {
	if ( $unit === 'g' ) {
		return number_format(($value / 1000), 0);
	} elseif ( $unit === 'kg' ) {
		return number_format(($value / 1000000), 2);
    }
}

function renderUnits (string $unit) {
	return [
		[
			'unit'     => 'g',
			'selected' => ($unit == 'g')
		],
		[
			'unit'     => 'kg',
			'selected' => ($unit == 'kg')
		]
	];
}

function response (int $responseCode, null|string $message, null|array $extraData = NULL) {
	$response = [];

	if ( $message   !== NULL ) $response['message'] = $message;
	if ( $extraData !== NULL ) $response            = array_merge($response, $extraData);


	http_response_code($responseCode);
	exit(json_encode($response));	
}