// Copyright (c) 2023 Vaughn Nugent
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

import { computed } from 'vue';
import { toSafeInteger } from 'lodash-es';
import { toRefs } from "@vueuse/core";
import { createCookieMonitor } from "./cookies";
import { StorageKey, createStorageSlot, getGlobalStateInternal } from "../globalState";
import { createSession, type IKeyStorage, type IStateStorage } from "./internal";
import type { ISession } from "./types";

//Export all internal types
export type * from './types'

/**
 * Gets the global session api instance
 * @returns The session api instance
 */
export const useSession = (() => {

    //Use reactive config
    const { session }  = getGlobalStateInternal()
    const { cookiesEnabled } = toRefs(session)
    
    const liCookieName = computed<string | undefined>(() => session.value.loginCookieName)

    const loginCookie = createCookieMonitor(cookiesEnabled, liCookieName, v => toSafeInteger(v));

    //create reactive storage slots
    const keyStore = createStorageSlot<IKeyStorage>(StorageKey.Keys, { priv: null, pub: null })
    const sessionState = createStorageSlot<IStateStorage>(StorageKey.Session, { token: null, browserId: null })

    return (): ISession => createSession(session, loginCookie, keyStore, sessionState);
})();