import { Injectable } from '@angular/core';
import {
  ActivatedRouteSnapshot,
  CanActivate,
  Router,
  RouterStateSnapshot
} from '@angular/router';
import { UserService } from '../_services/user.service';
import { Observable } from 'rxjs';
import Web3 from 'web3';

@Injectable()
export class AuthGuard implements CanActivate {
  public networkId;
  constructor(private _router: Router, private _userService: UserService) {}

  canActivate(
    route: ActivatedRouteSnapshot,
    state: RouterStateSnapshot
  ): Observable<boolean> | boolean {
    if (window['web3'] != undefined) {
      var web3 = new Web3(window['web3'].currentProvider);
      console.log(web3);
      web3.eth.defaultAccount = web3.eth.coinbase;
      this.networkId = web3.version.network;
      let currentUser = JSON.parse(localStorage.getItem('currentUser'));
      var GBMasterAddressJson = {
        4: '0xca27deb069d83629db00579ab0f0d80cd119a79b',
        42: '0xfd49ec86aaff8a312273cbebc3f48cc4c067c04a',
        31: '0x26847806987d45cdb482987f2027b05eef14d061',
        96: '0xd62d9f828928661808a4700ea747e8474b236961'
      };

      if (currentUser == null) {
        var body = {
          masterAddress: '',
          userName: 'GOVBLOCKS',
          GBMasterAddress: GBMasterAddressJson[this.networkId],
          // email: "govblocks@govblocks.io",
          email: '',
          companyName: '',
          authorized: true,
          token: 'token',
          allAbis: []
        };
        localStorage.setItem('currentUser', JSON.stringify(body));
      } else {
        var email;
        if (currentUser.email == '') {
          email = 'govblocks@govblocks.io';
        } else email = currentUser.email;
        var body1 = {
          masterAddress: '',
          userName: 'GOVBLOCKS',
          GBMasterAddress: GBMasterAddressJson[this.networkId],
          // email: email,
          email: '',
          companyName: '',
          authorized: true,
          token: 'token',
          allAbis: currentUser.allAbis
        };
        localStorage.setItem('currentUser', JSON.stringify(body1));
      }
      return true;
    } else {
      return true;
    }

    // return this._userService.verify().map(
    //     data => {
    //         if (data !== null) {
    //             // logged in so return true
    //             return true;
    //         }
    //         // error when verify so redirect to login page with the return url
    //         this._router.navigate(['/login'], { queryParams: { returnUrl: state.url } });
    //         // this._router.navigate(['/']);
    //         return false;
    //     },
    //     error => {
    //         // error when verify so redirect to login page with the return url
    //         this._router.navigate(['/login'], { queryParams: { returnUrl: state.url } });
    //         // this._router.navigate(['/']);
    //         return false;
    //     });
  }
}