Fixed token creation (#32)

* Fixed token creation

* Revert @return tag

CHANGELOG.md

@@ -9,6 +9,7 @@ The format is based on [Keep a Changelog][keepachangelog] and this project adher
 ### Changed
 
 - Package `fzaninotto/faker` replaced with `fakerphp/faker` version `^1.14` [#28]
+- If the token creation timestamp is not passed, the minute is subtracted from the current time
 
 [#28]:https://github.com/avtocod/b2b-api-php/issues/28
 

src/Tokens/Auth/AuthToken.php

@@ -8,6 +8,11 @@
 
 final class AuthToken
 {
+    /**
+     * Constant for modify current time.
+     */
+    public const MODIFY_PERIOD = 60;
+
     /**
      * Parse authorization token string.
      *
@@ -51,7 +56,10 @@ public static function generate(string $username,
                                     int $age = 172800,
                                     ?int $timestamp = null): string
     {
-        $timestamp = $timestamp ?? \time();
+        if ($timestamp === null) {
+            $timestamp = (new \DateTime)->modify(\sprintf('-%d sec', self::MODIFY_PERIOD))->getTimestamp();
+            $age       += self::MODIFY_PERIOD;
+        }
 
         $username = $domain === null
             ? $username

tests/Unit/Tokens/Auth/AuthTokenTest.php

@@ -77,7 +77,7 @@ public function testGeneration(): void
         ));
 
         $this->assertSame($username, $parsed->getUser());
-        $this->assertSame($age, $parsed->getAge());
-        $this->assertEqualsWithDelta(time(), $parsed->getTimestamp(), 1);
+        $this->assertSame($age + AuthToken::MODIFY_PERIOD, $parsed->getAge());
+        $this->assertEqualsWithDelta(\time() - AuthToken::MODIFY_PERIOD, $parsed->getTimestamp(), 0);
     }
 }