'use strict';

/*
 * Module dependencies.
 */

var bindAll = require('bind-all');
var defaults = require('@ndhoule/defaults');
var store = require('@segment/store');

/**
 * Initialize a new `Store` with `options`.
 *
 * @param {Object} options
 */

function Store(options?: { enabled: boolean }) {
  this.options(options);
}

/**
 * Set the `options` for the store.
 */

Store.prototype.options = function(options?: { enabled?: boolean }) {
  if (arguments.length === 0) return this._options;

  options = options || {};
  defaults(options, { enabled: true });

  this.enabled = options.enabled && store.enabled;
  this._options = options;
};

/**
 * Set a `key` and `value` in local storage.
 */

Store.prototype.set = function(key: string, value: object) {
  if (!this.enabled) return false;
  return store.set(key, value);
};

/**
 * Get a value from local storage by `key`.
 */

Store.prototype.get = function(key: string): object {
  if (!this.enabled) return null;
  return store.get(key);
};

/**
 * Remove a value from local storage by `key`.
 */

Store.prototype.remove = function(key: string) {
  if (!this.enabled) return false;
  return store.remove(key);
};

/**
 * Expose the store singleton.
 */

module.exports = bindAll(new Store());

/**
 * Expose the `Store` constructor.
 */

module.exports.Store = Store;