implement attack action

src/Test/Card/Action/Attack.php

@@ -0,0 +1,92 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OpenLegends\Asset\Test\Card\Action;
+
+class Attack extends \OpenLegends\Engine\Abstract\Card\Action
+{
+    private \OpenLegends\Engine\Abstract\Card $_card;
+
+    private int $_breakthrough = 0;
+
+    public function __construct(
+        \OpenLegends\Engine\Abstract\Card $card
+    ) {
+        $this->_card = $card;
+    }
+
+    public function card(
+        \OpenLegends\Engine\Abstract\Card &$card,
+        ?int $power = null
+    ): void
+    {
+        $damage = $power ? $power : $this->_card->getPower();
+
+        if ($damage)
+        {
+            if ($card->getCover())
+            {
+                $card->setCover(
+                    false
+                );
+            }
+
+            else
+            {
+                $health = $card->getHealth() - $damage;
+
+                if ($health < 0 && $this->_card->getBreakthrough())
+                {
+                    $this->_breakthrough = abs(
+                        $health
+                    );
+                }
+
+                if ($this->_card->getLethal())
+                {
+                    $card->setHealth(
+                        0
+                    );
+                }
+
+                else
+                {
+                    $card->setHealth(
+                        $health
+                    );
+                }
+            }
+        }
+    }
+
+    public function player(
+        \OpenLegends\Engine\Abstract\Player &$player,
+        ?int $power = null
+    ): void
+    {
+        $damage = $power ? $power : $this->_card->getPower();
+
+        if ($damage)
+        {
+            if ($player->getCover())
+            {
+                $player->setCover(
+                    false
+                );
+            }
+
+            else
+            {
+                $player->setHealth(
+                    $player->getHealth() - $damage
+                );
+            }
+        }
+    }
+
+    public function getBreakthrough(): int
+    {
+        return $this->_breakthrough;
+    }
+}