<?php
namespace Misuzu\Perms;

use Index\Data\IDbResult;

class PermissionInfo implements IPermissionResult {
    use PermissionResultShared;

    private int $calculated;

    public function __construct(
        private ?string $userId,
        private ?string $roleId,
        private ?string $forumCategoryId,
        private string $category,
        private int $allow,
        private int $deny,
    ) {
        $this->calculated = $this->allow & ~$this->deny;
    }

    public static function fromResult(IDbResult $result): PermissionInfo {
        return new PermissionInfo(
            userId: $result->getStringOrNull(0),
            roleId: $result->getStringOrNull(1),
            forumCategoryId: $result->getStringOrNull(2),
            category: $result->getString(3),
            allow: $result->getInteger(4),
            deny: $result->getInteger(5),
        );
    }

    public function hasUserId(): bool {
        return $this->userId !== null;
    }

    public function getUserId(): ?string {
        return $this->userId;
    }

    public function hasRoleId(): bool {
        return $this->roleId !== null;
    }

    public function getRoleId(): ?string {
        return $this->roleId;
    }

    public function hasForumCategoryId(): bool {
        return $this->forumCategoryId !== null;
    }

    public function getForumCategoryId(): ?string {
        return $this->forumCategoryId;
    }

    public function getCategory(): string {
        return $this->category;
    }

    public function getAllow(): int {
        return $this->allow;
    }

    public function getDeny(): int {
        return $this->deny;
    }

    public function getCalculated(): int {
        return $this->calculated;
    }

    public function check(int $perm): bool {
        return ($this->calculated & $perm) > 0;
    }

    public function checkAllow(int $perm): bool {
        return ($this->allow & $perm) > 0;
    }

    public function checkDeny(int $perm): bool {
        return ($this->deny & $perm) > 0;
    }

    public function checkNeutral(int $perm): bool {
        return ($this->allow & $perm) === 0
            && ($this->deny & $perm) === 0;
    }
}