// List 操作
import { getClient } from './connection'

export async function listRange(id: string, key: string, start: number, stop: number): Promise<string[]> {
  const client = getClient(id)
  if (!client) throw new Error(`Client ${id} not found`)
  return client.lrange(key, start, stop)
}

export async function listLength(id: string, key: string): Promise<number> {
  const client = getClient(id)
  if (!client) throw new Error(`Client ${id} not found`)
  return client.llen(key)
}

export async function listPush(id: string, key: string, ...values: string[]): Promise<number> {
  const client = getClient(id)
  if (!client) throw new Error(`Client ${id} not found`)
  return client.rpush(key, ...values)
}

export async function listSet(id: string, key: string, index: number, value: string): Promise<void> {
  const client = getClient(id)
  if (!client) throw new Error(`Client ${id} not found`)
  await client.lset(key, index, value)
}

export async function listRemove(id: string, key: string, count: number, value: string): Promise<number> {
  const client = getClient(id)
  if (!client) throw new Error(`Client ${id} not found`)
  return client.lrem(key, count, value)
}