import { Injectable } from '@angular/core';
import { ActivatedRouteSnapshot, Resolve } from '@angular/router';
import { AuthService } from '@core/services/auth.service';
import { environment } from '@environment';

@Injectable({ providedIn: 'root' })
export class BlackbaudSsoRedirectResolver implements Resolve<void> {

  constructor (
    private authService: AuthService
  ) { }

  async resolve (_route: ActivatedRouteSnapshot) {
    // if trying to get onto the platform tools from localhost
    if (environment.isLocalhost) {
      // redirect to QA and indicate that we are trying to get back to localhost
      const locationBase = environment.locationBase === 'localhost' ? 'yourcausegrantsqa.com' : environment.locationBase;
      location.href = `https://www.${locationBase}/platform/auth/signin?platformHostRename=${encodeURIComponent('localhost:51851')}`;

      return;
    }

    if (environment.locationBase === 'dev-grantsconnect-ui.azurewebsites.net') {
      location.href = `https://www.yourcausegrantsqa.com/platform/auth/signin?platformHostRename=${encodeURIComponent('dev-grantsconnect-ui.azurewebsites.net')}`;

      return;
    }

    const potentialRedirect = _route.queryParamMap.get('platformHostRename');
    // check for redirect
    if (potentialRedirect) {
      // remember this in order to perform redirect after SSO redirect
      sessionStorage.setItem('platformHostRename', potentialRedirect);
    }

    const response = await this.authService.getBlackbaudLoginRoute();

    location.href = response.signInUrl;
  }
}