package storage

import (
	"fmt"
)

type Map map[string][]byte

func NewMap() Map {
	m := make(map[string][]byte)
	n := Map(m)
	return n
}

func (m Map) String() string {
	s := ""
	for k, v := range m {
		if s != "" {
			s += ",\n"
		}
		s += fmt.Sprintf("[%s]:[%s]", k, v)
	}
	return s
}

func (m Map) Close() error {
	m = nil
	return nil
}

func (m Map) Get(key string) ([]byte, error) {
	if _, ok := m[key]; !ok {
		return nil, ErrNotFound
	}
	return m[key], nil
}

func (m Map) Set(key string, value []byte) error {
	if value == nil {
		if _, ok := m[key]; ok {
			delete(m, key)
		}
		return nil
	}
	m[key] = value
	return nil
}