package com.ctrip.framework.apollo.portal.service;

import com.google.common.collect.FluentIterable;
import com.google.common.collect.Sets;

import com.ctrip.framework.apollo.common.entity.BaseEntity;
import com.ctrip.framework.apollo.portal.AbstractIntegrationTest;
import com.ctrip.framework.apollo.portal.entity.po.Permission;
import com.ctrip.framework.apollo.portal.entity.po.Role;
import com.ctrip.framework.apollo.portal.entity.po.RolePermission;
import com.ctrip.framework.apollo.portal.entity.bo.UserInfo;
import com.ctrip.framework.apollo.portal.entity.po.UserRole;
import com.ctrip.framework.apollo.portal.repository.PermissionRepository;
import com.ctrip.framework.apollo.portal.repository.RolePermissionRepository;
import com.ctrip.framework.apollo.portal.repository.RoleRepository;
import com.ctrip.framework.apollo.portal.repository.UserRoleRepository;

import org.junit.Before;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.jdbc.Sql;

import java.util.List;
import java.util.Set;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

/**
 * @author Jason Song(song_s@ctrip.com)
 */
public class RolePermissionServiceTest extends AbstractIntegrationTest {
  @Autowired
  private RolePermissionService rolePermissionService;

  @Autowired
  private RoleRepository roleRepository;

  @Autowired
  private RolePermissionRepository rolePermissionRepository;

  @Autowired
  private UserRoleRepository userRoleRepository;

  @Autowired
  private PermissionRepository permissionRepository;

  private String someCreatedBy;

  private String someLastModifiedBy;

  @Before
  public void setUp() throws Exception {
    someCreatedBy = "someCreatedBy";
    someLastModifiedBy = "someLastModifiedBy";
  }

  @Test
  @Sql(scripts = "/sql/cleanup.sql", executionPhase = Sql.ExecutionPhase.AFTER_TEST_METHOD)
  public void testCreatePermission() throws Exception {
    String someTargetId = "someTargetId";
    String somePermissionType = "somePermissionType";

    Permission somePermission = assemblePermission(somePermissionType, someTargetId);

    Permission created = rolePermissionService.createPermission(somePermission);

    Permission createdFromDB = permissionRepository.findOne(created.getId());

    assertEquals(somePermissionType, createdFromDB.getPermissionType());
    assertEquals(someTargetId, createdFromDB.getTargetId());
  }

  @Test(expected = IllegalStateException.class)
  @Sql(scripts = "/sql/permission/insert-test-permissions.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/cleanup.sql", executionPhase = Sql.ExecutionPhase.AFTER_TEST_METHOD)
  public void testCreatePermissionWithPermissionExisted() throws Exception {
    String someTargetId = "someTargetId";
    String somePermissionType = "somePermissionType";

    Permission somePermission = assemblePermission(somePermissionType, someTargetId);

    rolePermissionService.createPermission(somePermission);
  }

  @Test
  @Sql(scripts = "/sql/cleanup.sql", executionPhase = Sql.ExecutionPhase.AFTER_TEST_METHOD)
  public void testCreatePermissions() throws Exception {
    String someTargetId = "someTargetId";
    String anotherTargetId = "anotherTargetId";
    String somePermissionType = "somePermissionType";
    String anotherPermissionType = "anotherPermissionType";

    Permission somePermission = assemblePermission(somePermissionType, someTargetId);
    Permission anotherPermission = assemblePermission(anotherPermissionType, anotherTargetId);

    Set<Permission> created =
        rolePermissionService.createPermissions(Sets.newHashSet(somePermission, anotherPermission));

    Set<Long> permissionIds =
        FluentIterable.from(created).transform(BaseEntity::getId)
            .toSet();

    Iterable<Permission> permissionsFromDB = permissionRepository.findAll(permissionIds);

    Set<String> targetIds = Sets.newHashSet();
    Set<String> permissionTypes = Sets.newHashSet();
    for (Permission permission : permissionsFromDB) {
      targetIds.add(permission.getTargetId());
      permissionTypes.add(permission.getPermissionType());
    }

    assertEquals(2, targetIds.size());
    assertEquals(2, permissionTypes.size());
    assertTrue(targetIds.containsAll(Sets.newHashSet(someTargetId, anotherTargetId)));
    assertTrue(
        permissionTypes.containsAll(Sets.newHashSet(somePermissionType, anotherPermissionType)));
  }

  @Test(expected = IllegalStateException.class)
  @Sql(scripts = "/sql/permission/insert-test-permissions.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/cleanup.sql", executionPhase = Sql.ExecutionPhase.AFTER_TEST_METHOD)
  public void testCreatePermissionsWithPermissionsExisted() throws Exception {
    String someTargetId = "someTargetId";
    String anotherTargetId = "anotherTargetId";
    String somePermissionType = "somePermissionType";
    String anotherPermissionType = "anotherPermissionType";

    Permission somePermission = assemblePermission(somePermissionType, someTargetId);
    Permission anotherPermission = assemblePermission(anotherPermissionType, anotherTargetId);

    rolePermissionService.createPermissions(Sets.newHashSet(somePermission, anotherPermission));
  }

  @Test
  @Sql(scripts = "/sql/permission/insert-test-permissions.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/cleanup.sql", executionPhase = Sql.ExecutionPhase.AFTER_TEST_METHOD)
  public void testCreateRoleWithPermissions() throws Exception {
    String someRoleName = "someRoleName";
    Role role = assembleRole(someRoleName);

    Set<Long> permissionIds = Sets.newHashSet(990L, 991L);

    Role created = rolePermissionService.createRoleWithPermissions(role, permissionIds);

    Role createdFromDB = roleRepository.findOne(created.getId());
    List<RolePermission> rolePermissions =
        rolePermissionRepository.findByRoleIdIn(Sets.newHashSet(createdFromDB.getId()));

    Set<Long> rolePermissionIds =
        FluentIterable.from(rolePermissions)
            .transform(RolePermission::getPermissionId).toSet();

    assertEquals(someRoleName, createdFromDB.getRoleName());
    assertEquals(2, rolePermissionIds.size());
    assertTrue(rolePermissionIds.containsAll(permissionIds));
  }

  @Test(expected = IllegalStateException.class)
  @Sql(scripts = "/sql/permission/insert-test-roles.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/cleanup.sql", executionPhase = Sql.ExecutionPhase.AFTER_TEST_METHOD)
  public void testCreateRoleWithPermissionsWithRoleExisted() throws Exception {
    String someRoleName = "someRoleName";
    Role role = assembleRole(someRoleName);

    rolePermissionService.createRoleWithPermissions(role, null);
  }

  @Test
  @Sql(scripts = "/sql/permission/insert-test-roles.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/cleanup.sql", executionPhase = Sql.ExecutionPhase.AFTER_TEST_METHOD)
  public void testAssignRoleToUsers() throws Exception {
    String someRoleName = "someRoleName";
    String someUser = "someUser";
    String anotherUser = "anotherUser";
    String operator = "operator";

    Set<String> users = Sets.newHashSet(someUser, anotherUser);

    rolePermissionService
        .assignRoleToUsers(someRoleName, users, operator);

    List<UserRole> userRoles = userRoleRepository.findByRoleId(990);

    Set<String> usersWithRole = Sets.newHashSet();
    for (UserRole userRole : userRoles) {
      assertEquals(operator, userRole.getDataChangeCreatedBy());
      assertEquals(operator, userRole.getDataChangeLastModifiedBy());
      usersWithRole.add(userRole.getUserId());
    }

    assertEquals(2, usersWithRole.size());
    assertTrue(usersWithRole.containsAll(users));
  }

  @Test(expected = IllegalStateException.class)
  @Sql(scripts = "/sql/cleanup.sql", executionPhase = Sql.ExecutionPhase.AFTER_TEST_METHOD)
  public void testAssignRoleToUsersWithRoleNotExists() throws Exception {
    String someRoleName = "someRoleName";
    String someUser = "someUser";
    String operator = "operator";

    Set<String> users = Sets.newHashSet(someUser);

    rolePermissionService
        .assignRoleToUsers(someRoleName, users, operator);
  }

  @Test
  @Sql(scripts = "/sql/permission/insert-test-roles.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/permission/insert-test-userroles.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/cleanup.sql", executionPhase = Sql.ExecutionPhase.AFTER_TEST_METHOD)
  public void testAssignRoleToUsersWithUserRolesExisted() throws Exception {
    String someRoleName = "someRoleName";
    String someUser = "someUser";
    String anotherUser = "anotherUser";
    String operator = "operator";

    Set<String> users = Sets.newHashSet(someUser, anotherUser);

    rolePermissionService
        .assignRoleToUsers(someRoleName, users, operator);

    List<UserRole> userRoles = userRoleRepository.findByRoleId(990);

    Set<String> usersWithRole = Sets.newHashSet();
    for (UserRole userRole : userRoles) {
      assertEquals("someOperator", userRole.getDataChangeCreatedBy());
      assertEquals("someOperator", userRole.getDataChangeLastModifiedBy());
      usersWithRole.add(userRole.getUserId());
    }

    assertEquals(2, usersWithRole.size());
    assertTrue(usersWithRole.containsAll(users));
  }

  @Test
  @Sql(scripts = "/sql/permission/insert-test-roles.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/permission/insert-test-userroles.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/cleanup.sql", executionPhase = Sql.ExecutionPhase.AFTER_TEST_METHOD)
  public void testRemoveRoleFromUsers() throws Exception {
    String someRoleName = "someRoleName";
    String someUser = "someUser";
    String anotherUser = "anotherUser";
    String operator = "operator";

    Set<String> users = Sets.newHashSet(someUser, anotherUser);

    List<UserRole> userRoles = userRoleRepository.findByRoleId(990);
    assertFalse(userRoles.isEmpty());

    rolePermissionService.removeRoleFromUsers(someRoleName, users, operator);

    List<UserRole> userRolesAfterRemoval = userRoleRepository.findByRoleId(990);
    assertTrue(userRolesAfterRemoval.isEmpty());
  }

  @Test(expected = IllegalStateException.class)
  @Sql(scripts = "/sql/permission/insert-test-userroles.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/cleanup.sql", executionPhase = Sql.ExecutionPhase.AFTER_TEST_METHOD)
  public void testRemoveRoleFromUsersWithRoleNotExisted() throws Exception {
    String someRoleName = "someRoleName";
    String someUser = "someUser";
    String operator = "operator";

    Set<String> users = Sets.newHashSet(someUser);

    rolePermissionService.removeRoleFromUsers(someRoleName, users, operator);
  }

  @Test
  @Sql(scripts = "/sql/permission/insert-test-roles.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/permission/insert-test-userroles.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/cleanup.sql", executionPhase = Sql.ExecutionPhase.AFTER_TEST_METHOD)
  public void testQueryUsersWithRole() throws Exception {
    String someRoleName = "someRoleName";

    Set<UserInfo> users = rolePermissionService.queryUsersWithRole(someRoleName);

    Set<String> userIds = FluentIterable.from(users).transform(UserInfo::getUserId).toSet();

    assertTrue(userIds.containsAll(Sets.newHashSet("someUser", "anotherUser")));
  }

  @Test
  @Sql(scripts = "/sql/permission/insert-test-roles.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/permission/insert-test-permissions.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/permission/insert-test-userroles.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/permission/insert-test-rolepermissions.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
  @Sql(scripts = "/sql/cleanup.sql", executionPhase = Sql.ExecutionPhase.AFTER_TEST_METHOD)
  public void testUserHasPermission() throws Exception {
    String someTargetId = "someTargetId";
    String anotherTargetId = "anotherTargetId";
    String somePermissionType = "somePermissionType";
    String anotherPermissionType = "anotherPermissionType";
    String someUser = "someUser";
    String anotherUser = "anotherUser";
    String someUserWithNoPermission = "someUserWithNoPermission";

    assertTrue(rolePermissionService.userHasPermission(someUser, somePermissionType, someTargetId));
    assertTrue(rolePermissionService.userHasPermission(someUser, anotherPermissionType, anotherTargetId));
    assertTrue(rolePermissionService.userHasPermission(anotherUser, somePermissionType, someTargetId));
    assertTrue(rolePermissionService.userHasPermission(anotherUser, anotherPermissionType, anotherTargetId));

    assertFalse(rolePermissionService.userHasPermission(someUserWithNoPermission, somePermissionType, someTargetId));
    assertFalse(rolePermissionService.userHasPermission(someUserWithNoPermission, anotherPermissionType, anotherTargetId));

  }

  private Role assembleRole(String roleName) {
    Role role = new Role();
    role.setRoleName(roleName);
    role.setDataChangeCreatedBy(someCreatedBy);
    role.setDataChangeLastModifiedBy(someLastModifiedBy);

    return role;
  }

  private Permission assemblePermission(String permissionType, String targetId) {
    Permission permission = new Permission();
    permission.setPermissionType(permissionType);
    permission.setTargetId(targetId);
    permission.setDataChangeCreatedBy(someCreatedBy);
    permission.setDataChangeLastModifiedBy(someCreatedBy);

    return permission;
  }

}
