import { CommandParser } from '../client/parser';
import { RedisArgument, BlobStringReply, NullReply, Command } from '../RESP/types';

export default {
  CACHEABLE: true,
  IS_READ_ONLY: true,
  /**
   * Constructs the LINDEX command
   * 
   * @param parser - The command parser
   * @param key - The key of the list
   * @param index - The index of the element to retrieve
   * @see https://redis.io/commands/lindex/
   */
  parseCommand(parser: CommandParser, key: RedisArgument, index: number) {
    parser.push('LINDEX');
    parser.pushKey(key);
    parser.push(index.toString());
  },
  transformReply: undefined as unknown as () => BlobStringReply | NullReply
} as const satisfies Command;