import { createClient } from '@redis/client';

type RedisCompliantCachedRouteValue = {
    kind: "APP_ROUTE";
    body: string | undefined;
};
type RedisCompliantCachedAppPageValue = {
    kind: "APP_PAGE";
    rscData: string | undefined;
    segmentData: Record<string, string> | undefined;
};
type CreateRedisStringsHandlerOptions<T = ReturnType<typeof createClient>> = {
    /**
     * The Redis client instance.
     */
    client: T;
    /**
     * Optional. Prefix for all keys, useful for namespacing.
     *
     * @default '' // empty string
     */
    keyPrefix?: string;
    /**
     * Optional. Timeout in milliseconds for Redis operations.
     *
     * @default 5000 // 5000 ms
     *
     * @remarks
     * To disable timeout of Redis operations, set this option to 0.
     */
    timeoutMs?: number;
    /**
     * Optional. The number of tags in a single query retrieved from Redis when scanning or searching for tags.
     *
     * @default 100 // 100 tags
     *
     * @remarks
     * You can adjust this value to optimize the number of commands sent to Redis when scanning or searching for tags.
     * A higher value will reduce the number of commands sent to Redis,
     * but it will also increase the amount of data transferred over the network.
     * Redis uses TCP and typically has 65,535 bytes as the maximum size of a packet (it can be lower depending on MTU).
     */
    revalidateTagQuerySize?: number;
    /**
     * Key for storing cache tags.
     *
     * @default '__sharedTags__'
     */
    sharedTagsKey?: string;
    /**
     * Key for storing cache tags TTL.
     *
     * @default '__sharedTagsTtl__'
     */
    sharedTagsTtlKey?: string;
    /**
     * Determines the expiration strategy for cache keys.
     *
     * - `'EXAT'`: Uses the `EXAT` option of the `SET` command to set expiration time.
     * - `'EXPIREAT'`: Uses the `EXPIREAT` command to set expiration time.
     *
     * By default, it uses `'EXPIREAT'` for compatibility with older versions.
     *
     * @default 'EXPIREAT'
     */
    keyExpirationStrategy?: "EXAT" | "EXPIREAT";
};

export type { CreateRedisStringsHandlerOptions, RedisCompliantCachedAppPageValue, RedisCompliantCachedRouteValue };