/*!
 * @license
 * Copyright 2019 Alfresco Software, Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { Injectable } from '@angular/core';
import { JwtHelperService } from './jwt-helper.service';
import { ActivatedRouteSnapshot, CanActivate, Router } from '@angular/router';
import { MatDialog } from '@angular/material/dialog';

@Injectable({
    providedIn: 'root'
})
export class AuthGuardSsoRoleService implements CanActivate {

    constructor(private jwtHelperService: JwtHelperService, private router: Router, private dialog: MatDialog) {
    }

    canActivate(route: ActivatedRouteSnapshot): boolean {
        let hasRole;
        let hasRealmRole = false;
        let hasClientRole = true;

        if (route.data) {
            if (route.data['roles']) {
                const rolesToCheck = route.data['roles'];
                hasRealmRole = this.jwtHelperService.hasRealmRoles(rolesToCheck);
            }

            if (route.data['clientRoles']) {
                const clientRoleName = route.params[route.data['clientRoles']];
                const rolesToCheck = route.data['roles'];
                hasClientRole = this.jwtHelperService.hasRealmRolesForClientRole(clientRoleName, rolesToCheck);
            }
        }

        hasRole = hasRealmRole && hasClientRole;

        if (!hasRole && route.data && route.data['redirectUrl']) {
            this.router.navigate(['/' + route.data['redirectUrl']]);
        }

        if (!hasRole) {
            this.dialog.closeAll();
        }

        return hasRole;
    }
}