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import Store from './Store.ts'import { SessionData } from '../Session.ts'
type WebdisOptions = {  url : string,  keyPrefix?: string,}
export default class WebdisStore implements Store {  url: string  keyPrefix: string
  constructor(options : WebdisOptions) {    this.url = options.url    this.keyPrefix = options.keyPrefix || 'session_'  }
  async sessionExists(sessionId : string) {    const payload = await fetch(this.url + '/GET/' + this.keyPrefix + sessionId)    const payloadJSON = await payload.json()    const session = payloadJSON.GET    return session ? true : false  }
  async getSessionById(sessionId : string) {    const payload = await fetch(this.url + '/GET/' + this.keyPrefix + sessionId)    const payloadJSON = await payload.json()    const session = payloadJSON.GET
    if (session) {      return JSON.parse(session) as SessionData    } else {      return null    }  }
  async createSession(sessionId : string, initialData : SessionData) {    await fetch(this.url + '/SET/' + this.keyPrefix + sessionId + '/'+JSON.stringify(initialData))  }
  async deleteSession(sessionId : string) {    await fetch(this.url + '/DEL/' + this.keyPrefix + sessionId)  }
  async persistSessionData(sessionId : string, sessionData : SessionData) {    await fetch(this.url + '/SET/' + this.keyPrefix + sessionId + '/' + encodeURI(JSON.stringify(sessionData)))  }}