package storage

/*
Copyright 2025 Suyono <suyono3484@gmail.com>

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

import (
	"context"
	"sync"
)

type InMap struct {
	mtx    *sync.Mutex
	stor   map[string]string
	cancel context.CancelFunc
}

func NewInMap(ctxCancel context.CancelFunc) *InMap {
	return &InMap{
		mtx:    new(sync.Mutex),
		stor:   make(map[string]string),
		cancel: ctxCancel,
	}
}

func (i *InMap) Set(key, value string) error {
	i.mtx.Lock()
	defer i.mtx.Unlock()

	i.stor[key] = value

	return nil
}

func (i *InMap) Get(key string) (string, error) {
	var (
		val string
		ok  bool
	)

	i.mtx.Lock()
	defer i.mtx.Unlock()

	if val, ok = i.stor[key]; !ok {
		return "", ErrNotFound
	}

	return val, nil
}

func (i *InMap) Shutdown() error {
	i.cancel()
	return nil
}