<?php

function response_json(Array $resp = []) {
	@header('Content-Type: application/json');
	return json_encode($resp);
}

function app() {
	global $app;

	return $app;
};

function dd($var) {
	die(var_dump($var));
}

function gen_token(int $user_id) :String {
	return hash_hmac('sha256', bin2hex(random_bytes(16)), $user_id);
}

function sanitize_input(String $var) :String {
	return htmlspecialchars(strip_tags(trim($var)), ENT_QUOTES, 'UTF-8');
}

function get_create_at_timestamp() :String {
	return date("Y-m-d H:i:s");
}

function error_response(String $class, String $errtext) :Array {
	return response(false, [
		"error" => [
			"class" => ucfirst($class),
			"text" => $errtext
		]
	]);
}

function success_response(Array $data = []) :Array {
	return response(true, [
		"data" => $data
	]); 
}

function response(bool $status = true, Array $body = []) :Array {	
	return [
		"status" => $status,
		"response" => $body
	];
}