/*
 * @Author: huyang huyang@myun.info
 * @Date: 2022-09-21 15:45:46
 * @LastEditors: zcxb chen13157379235@outlook.com
 * @LastEditTime: 2022-10-13 14:44:06
 * @FilePath: \easy-front-core-sdk\packages\jos\src\security\TdeClientFactory.ts
 * @Description:
 *
 * Copyright (c) 2022 by huyang huyang@myun.info, All Rights Reserved.
 */
import { JosCore } from '../JosCore'
import { TdeClient } from './TdeClient'

export class TdeClientFactory {
  static KM_EPOCH = 28800 * 1000
  private static CLIENT_MAP: Map<string, [TdeClient, number]> = new Map<string, [TdeClient, number]>()

  static async instance(josCore: JosCore, access_token: string): Promise<TdeClient> {
    const client_info = this.CLIENT_MAP.get(access_token)
    if (client_info) {
      const [client, time] = client_info
      if (new Date().getTime() - time >= this.KM_EPOCH) {
        // 过期
        this.CLIENT_MAP.delete(access_token)
        return this.instance(josCore, access_token)
      } else {
        return client
      }
    } else {
      const [client] = await this.__get_instance(josCore, access_token)
      return client
    }
  }

  private static async __get_instance(josCore: JosCore, access_token: string): Promise<[TdeClient, number]> {
    const client = new TdeClient(josCore, access_token)
    await client.init_client()
    if (client.isReady) {
      const ts = new Date().getTime()
      this.CLIENT_MAP.set(access_token, [client, ts])
      return [client, ts]
    }
  }
}