package commands

import (
	"errors"
	"redisClone/pkg/core"
	"time"
)

func Get(args []string, getShard func(k string) *core.Shard) interface{} {
			key := args[1]
			s := getShard(key)
			item, exists := s.Data[key]
			if !exists {
				return nil
			}

			if item.ExpiresAt != nil && time.Now().After(*item.ExpiresAt) {
				delete(s.Data, key)
				return nil
			}

			strValue, ok := item.Value.(string)
			if !ok {
				err := errors.New("WRONGTYPE Operation against a key holding the wrong kind of value")
				return err
			}
			return strValue
        }