/*************************GO-LICENSE-START*********************************
 * Copyright 2014 ThoughtWorks, Inc.
 *
 * 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.
 *************************GO-LICENSE-END***********************************/

package com.thoughtworks.go.server.security;

import com.thoughtworks.go.config.CaseInsensitiveString;
import com.thoughtworks.go.server.service.SecurityService;
import com.thoughtworks.go.server.domain.Username;
import static org.hamcrest.collection.IsArrayContaining.hasItemInArray;
import static org.hamcrest.core.IsNot.not;
import static org.junit.Assert.assertThat;
import org.junit.Before;
import org.junit.Test;
import org.springframework.security.GrantedAuthority;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

public class AuthorityGranterTest {
    private AuthorityGranter authorityGranter;
    private SecurityService securityService;

    @Before
    public void setUp() throws Exception {
        securityService = mock(SecurityService.class);
        authorityGranter = new AuthorityGranter(securityService);
    }

    @Test
    public void shouldGrantTemplateSupervisorRoleToTemplateAdmins() throws Exception {
        String templateAdmin = "template-admin";
        when(securityService.isAuthorizedToViewAndEditTemplates(new Username(new CaseInsensitiveString(templateAdmin)))).thenReturn(true);
        GrantedAuthority[] authorities = authorityGranter.authorities(templateAdmin);
        assertThat(authorities, hasItemInArray(GoAuthority.ROLE_TEMPLATE_SUPERVISOR.asAuthority()));
        assertThat(authorities, not(hasItemInArray(GoAuthority.ROLE_GROUP_SUPERVISOR.asAuthority())));
        assertThat(authorities, hasItemInArray(GoAuthority.ROLE_USER.asAuthority()));
    }

    @Test
    public void shouldGrantTemplateViewUserRoleToTemplateViewUsers() {
        String templateViewUser = "templateViewUser";
        when(securityService.isAuthorizedToViewAndEditTemplates(new Username(new CaseInsensitiveString(templateViewUser)))).thenReturn(false);
        when(securityService.isAuthorizedToViewTemplates(new Username(templateViewUser))).thenReturn(true);

        GrantedAuthority[] authorities = authorityGranter.authorities(templateViewUser);
        assertThat(authorities, hasItemInArray(GoAuthority.ROLE_TEMPLATE_VIEW_USER.asAuthority()));
        assertThat(authorities, not(hasItemInArray(GoAuthority.ROLE_TEMPLATE_SUPERVISOR.asAuthority())));
        assertThat(authorities, not(hasItemInArray(GoAuthority.ROLE_GROUP_SUPERVISOR.asAuthority())));
        assertThat(authorities, hasItemInArray(GoAuthority.ROLE_USER.asAuthority()));
    }

    @Test
    public void shouldGrantGroupSupervisorRoleToPipelineGroupAdmins() {
        when(securityService.isUserGroupAdmin(new Username(new CaseInsensitiveString("group-admin")))).thenReturn(true);
        GrantedAuthority[] authorities = authorityGranter.authorities("group-admin");
        assertThat("Should not have " + GoAuthority.ROLE_SUPERVISOR + " authority", authorities, not(hasItemInArray(GoAuthority.ROLE_SUPERVISOR.asAuthority())));
        assertThat("Should have " + GoAuthority.ROLE_GROUP_SUPERVISOR + " authority", authorities, hasItemInArray(GoAuthority.ROLE_GROUP_SUPERVISOR.asAuthority()));
        assertThat("Should have " + GoAuthority.ROLE_USER + " authority", authorities, hasItemInArray(GoAuthority.ROLE_USER.asAuthority()));
    }

    @Test
    public void shouldGrantSupervisorRoleToUsersWhoAreAdminsAndGroupAdmins() {
        when(securityService.isUserAdmin(new Username(new CaseInsensitiveString("admin")))).thenReturn(true);
        when(securityService.isUserGroupAdmin(new Username(new CaseInsensitiveString("admin")))).thenReturn(true);
        GrantedAuthority[] authorities = authorityGranter.authorities("admin");
        assertThat("Should have " + GoAuthority.ROLE_SUPERVISOR + " authority", authorities, hasItemInArray(GoAuthority.ROLE_SUPERVISOR.asAuthority()));
        assertThat("Should have " + GoAuthority.ROLE_GROUP_SUPERVISOR + " authority", authorities, hasItemInArray(GoAuthority.ROLE_GROUP_SUPERVISOR.asAuthority()));
        assertThat("Should have " + GoAuthority.ROLE_USER + " authority", authorities, hasItemInArray(GoAuthority.ROLE_USER.asAuthority()));
    }

    @Test
    public void shouldGrantRoleUserToUsersWhoAreNotSpecial() {
        when(securityService.isUserAdmin(new Username(new CaseInsensitiveString("admin")))).thenReturn(false);
        when(securityService.isUserGroupAdmin(new Username(new CaseInsensitiveString("admin")))).thenReturn(false);
        GrantedAuthority[] authorities = authorityGranter.authorities("admin");
        assertThat("Should not have " + GoAuthority.ROLE_SUPERVISOR + " authority", authorities, not(hasItemInArray(GoAuthority.ROLE_SUPERVISOR.asAuthority())));
        assertThat("Should not have " + GoAuthority.ROLE_GROUP_SUPERVISOR + " authority", authorities, not(hasItemInArray(GoAuthority.ROLE_GROUP_SUPERVISOR.asAuthority())));
        assertThat("Should have " + GoAuthority.ROLE_USER + " authority", authorities, hasItemInArray(GoAuthority.ROLE_USER.asAuthority()));
    }
}