<?php
// MemcachedProviderInfo.php
// Created: 2024-04-10
// Updated: 2024-08-03

namespace Index\Cache\Memcached;

use InvalidArgumentException;
use Index\Cache\ICacheProviderInfo;
use Index\Net\EndPoint;

/**
 * Represents Memcached provider info.
 */
class MemcachedProviderInfo implements ICacheProviderInfo {
    /**
     * @param array<int, array{EndPoint, int}> $endPoints Memcached end points.
     * @param string $prefixKey Prefix to apply to keys.
     * @param string $persistName Persistent connection name.
     * @param bool $useBinaryProto Use the binary protocol.
     * @param bool $enableCompression Use compression.
     * @param bool $tcpNoDelay Disable Nagle's algorithm.
     */
    public function __construct(
        private array $endPoints,
        private string $prefixKey,
        private string $persistName,
        private bool $useBinaryProto,
        private bool $enableCompression,
        private bool $tcpNoDelay,
    ) {}

    /**
     * Gets server endpoints.
     *
     * @return array<int, array{EndPoint, int}>
     */
    public function getEndPoints(): array {
        return $this->endPoints;
    }

    /**
     * A prefix that gets applied to every key.
     *
     * @return string
     */
    public function getPrefixKey(): string {
        return $this->prefixKey;
    }

    /**
     * Whether the connection should be persistent.
     *
     * @return bool
     */
    public function isPersistent(): bool {
        return $this->persistName !== '';
    }

    /**
     * Name of persistent connection, will return null if disabled.
     *
     * @return ?string
     */
    public function getPersistentName(): ?string {
        return $this->persistName === '' ? null : $this->persistName;
    }

    /**
     * Whether the binary protocol should be used rather than ASCII.
     *
     * @return bool
     */
    public function shouldUseBinaryProtocol(): bool {
        return $this->useBinaryProto;
    }

    /**
     * Whether compression should be applied.
     *
     * @return bool
     */
    public function shouldEnableCompression(): bool {
        return $this->enableCompression;
    }

    /**
     * Whether nagle's algorithm should be disabled on the connection.
     *
     * @return bool
     */
    public function shouldTcpNoDelay(): bool {
        return $this->tcpNoDelay;
    }
}