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<?php declare(strict_types=1); |
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namespace Stratadox\CardGame\ReadModel\Match; |
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use function array_filter; |
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use function array_merge; |
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use function current; |
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class Battlefield |
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{ |
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private $cards; |
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public static function untouched(): self |
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{ |
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return new self(); |
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} |
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public function addFor(int $owner, Card $card): void |
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{ |
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$this->cards[$owner][] = $card; |
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} |
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public function removeFrom(int $owner, int $cardToRemove): void |
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{ |
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$this->cards[$owner] = array_filter( |
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$this->cards[$owner], |
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static function (Card $card) use ($cardToRemove): bool { |
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return $card->offset() !== $cardToRemove; |
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} |
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); |
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} |
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/** @return Card[] */ |
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public function cardsInPlay(): array |
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{ |
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// @todo this fails if all cards die: by then cards isn't null but [] |
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return array_merge(...$this->cards ?? [[]]); |
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} |
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/** @return Card[] */ |
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public function cardsInPlayFor(int $player): array |
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{ |
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return $this->cards[$player]; |
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} |
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public function getSentIntoBattleBy(int $player, int $attacker): void |
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{ |
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$this->card($attacker, $player)->attack(); |
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} |
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public function getSentToDefendBy(int $player, int $defender): void |
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{ |
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$this->card($defender, $player)->defend(); |
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} |
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public function getSentToRegroupBy(int $player, int $veteran): void |
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{ |
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$this->card($veteran, $player)->regroup(); |
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} |
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/** @return Card[] */ |
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public function attackers(): array |
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{ |
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return array_filter( |
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$this->cardsInPlay(), |
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static function (Card $card): bool { |
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return $card->isAttacking(); |
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} |
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); |
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} |
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/** @return Card[] */ |
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public function defenders(): array |
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{ |
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return array_filter( |
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$this->cardsInPlay(), |
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static function (Card $card): bool { |
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return $card->isDefending(); |
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} |
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); |
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} |
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private function card(int $offset, int $player): Card |
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{ |
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return current(array_filter( |
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$this->cardsInPlayFor($player), |
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static function (Card $card) use ($offset): bool { |
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return $card->offset() === $offset; |
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} |
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)); |
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} |
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} |
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Stratadox /
CardGame
