import { Injectable } from '@angular/core'
import { News } from '../types/news'

@Injectable({
  providedIn: 'root',
})
export class LocalStorageService {
  constructor() {}

  permChecker(perm: string) {
    return this.admin?.includes(perm) ?? false
  }

  logOut() {
    this.loggedIn = undefined
    this.admin = undefined
  }

  public hasRoom() {
    if (localStorage.getItem('room')) {
      return true
    } else {
      return false
    }
  }

  get room() {
    return localStorage.getItem('room') ?? undefined
  }

  set room(value: string | undefined) {
    if (!value) {
      localStorage.removeItem('room')
    } else {
      localStorage.setItem('room', value)
    }
  }

  get news(): News[] {
    return JSON.parse(localStorage.getItem('news')!)
  }

  set news(news: News[]) {
    localStorage.setItem('news', JSON.stringify(news))
  }

  get loggedIn() {
    if (localStorage.getItem('loggedIn')) {
      return true
    }
    return
  }

  set loggedIn(is: true | undefined) {
    if (is) {
      localStorage.setItem('loggedIn', 'true')
    } else {
      localStorage.removeItem('loggedIn')
    }
  }

  set admin(perms: string[] | undefined) {
    if (perms) {
      localStorage.setItem('admin', JSON.stringify(perms))
    } else {
      localStorage.removeItem('admin')
    }
  }

  get admin() {
    var lsa = localStorage.getItem('admin')
    return lsa ? JSON.parse(lsa) : undefined
  }

  get isAdmin(): boolean {
    return this.admin ? true : false
  }

  set capFlag(n: number | null) {
    if (n) {
      localStorage.setItem('cap', n.toString())
    } else {
      localStorage.removeItem('cap')
    }
  }

  get capFlag() {
    var cap = localStorage.getItem('cap')
    if (cap) {
      return Number(cap)
    } else {
      return null
    }
  }

  public capCheck(perm: number) {
    return (this.capFlag! & perm) == perm
  }

  public get newsCheck(): { hash: string; count: number } {
    let nc = localStorage.getItem('newsCheck')
    if (nc) {
      return JSON.parse(nc)
    } else {
      return { hash: '', count: 0 }
    }
  }
  public set newsCheck(value: { hash: string; count: number }) {
    localStorage.setItem('newsCheck', JSON.stringify(value))
  }

  public get defaultItems(): { sn: string[]; kol: string[] } {
    let di = localStorage.getItem('defaultItems')
    if (di) {
      return JSON.parse(di)
    } else {
      return { sn: [], kol: [] }
    }
  }

  public set defaultItems(value: { sn: string[]; kol: string[] }) {
    localStorage.setItem('defaultItems', JSON.stringify(value))
  }

  public newsflag: number | false = false

  public get vapid(): string {
    return localStorage.getItem('vapid')!
  }
  public set vapid(value: string) {
    localStorage.setItem('vapid', value)
  }
}