package com.ots.project.system.role.service;
import com.ots.common.constant.UserConstants;
import com.ots.common.exception.BusinessException;
import com.ots.common.utils.StringUtils;
import com.ots.common.utils.security.ShiroUtils;
import com.ots.common.utils.spring.SpringUtils;
import com.ots.common.utils.text.Convert;
import com.ots.framework.aspectj.lang.annotation.DataScope;
import com.ots.project.system.role.domain.Role;
import com.ots.project.system.role.domain.RoleDept;
import com.ots.project.system.role.domain.RoleMenu;
import com.ots.project.system.role.mapper.RoleDeptMapper;
import com.ots.project.system.role.mapper.RoleMapper;
import com.ots.project.system.role.mapper.RoleMenuMapper;
import com.ots.project.system.user.domain.UserRole;
import com.ots.project.system.user.mapper.UserRoleMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.*;
import java.util.stream.Collectors;

@Service
public class RoleServiceImpl implements IRoleService {
    @Autowired
    private RoleMapper roleMapper;
    @Autowired
    private RoleMenuMapper roleMenuMapper;
    @Autowired
    private UserRoleMapper userRoleMapper;
    @Autowired
    private RoleDeptMapper roleDeptMapper;
    
    @Override
    @DataScope(deptAlias = "d")
    public List<Role> selectRoleList(Role role) {
        return roleMapper.selectRoleList(role);
    }
    
    @Override
    public Set<String> selectRoleKeys(Long userId) {
        List<Role> perms = roleMapper.selectRolesByUserId(userId);
        Set<String> permsSet = new HashSet<>();
        for (Role perm : perms) {
            if (StringUtils.isNotNull(perm)) {
                permsSet.addAll(Arrays.asList(perm.getRoleKey().trim().split(",")));
            }
        }
        return permsSet;
    }
    
    @Override
    public List<Role> selectRolesByUserId(Long userId) {
        List<Role> userRoles = roleMapper.selectRolesByUserId(userId);
        List<Role> roles = selectRoleAll();
        for (Role role : roles) {
            for (Role userRole : userRoles) {
                if (role.getRoleId().longValue() == userRole.getRoleId().longValue()) {
                    role.setFlag(true);
                    break;
                }
            }
        }
        return roles;
    }
    
    @Override
    public List<Role> selectRoleAll() {
        return SpringUtils.getAopProxy(this).selectRoleList(new Role());
    }
    
    @Override
    public Role selectRoleById(Long roleId) {
        return roleMapper.selectRoleById(roleId);
    }
    
    @Override
    public boolean deleteRoleById(Long roleId) {
        return roleMapper.deleteRoleById(roleId) > 0 ? true : false;
    }
    
    @Override
    public int deleteRoleByIds(String ids) throws BusinessException {
        Long[] roleIds = Convert.toLongArray(ids);
        for (Long roleId : roleIds) {
            Role role = selectRoleById(roleId);
            if (countUserRoleByRoleId(roleId) > 0) {
                throw new BusinessException(String.format("%1$s已分配,不能删除", role.getRoleName()));
            }
        }
        return roleMapper.deleteRoleByIds(roleIds);
    }
    
    @Override
    @Transactional
    public int insertRole(Role role) {
        role.setCreateBy(ShiroUtils.getLoginName());
        
        roleMapper.insertRole(role);
        ShiroUtils.clearCachedAuthorizationInfo();
        return insertRoleMenu(role);
    }
    
    @Override
    @Transactional
    public int updateRole(Role role) {
        role.setUpdateBy(ShiroUtils.getLoginName());
        
        roleMapper.updateRole(role);
        ShiroUtils.clearCachedAuthorizationInfo();
        
        roleMenuMapper.deleteRoleMenuByRoleId(role.getRoleId());
        return insertRoleMenu(role);
    }
    
    @Override
    @Transactional
    public int authDataScope(Role role) {
        role.setUpdateBy(ShiroUtils.getLoginName());
        
        roleMapper.updateRole(role);
        
        roleDeptMapper.deleteRoleDeptByRoleId(role.getRoleId());
        
        return insertRoleDept(role);
    }
    
    public int insertRoleMenu(Role role) {
        int rows = 1;
        
        List<RoleMenu> list = new ArrayList<RoleMenu>();
        for (Long menuId : role.getMenuIds()) {
            RoleMenu rm = new RoleMenu();
            rm.setRoleId(role.getRoleId());
            rm.setMenuId(menuId);
            list.add(rm);
        }
        if (list.size() > 0) {
            rows = roleMenuMapper.batchRoleMenu(list);
        }
        return rows;
    }
    
    public int insertRoleDept(Role role) {
        int rows = 1;
        
        List<RoleDept> list = new ArrayList<RoleDept>();
        for (Long deptId : role.getDeptIds()) {
            RoleDept rd = new RoleDept();
            rd.setRoleId(role.getRoleId());
            rd.setDeptId(deptId);
            list.add(rd);
        }
        if (list.size() > 0) {
            rows = roleDeptMapper.batchRoleDept(list);
        }
        return rows;
    }
    
    @Override
    public String checkRoleNameUnique(Role role) {
        Long roleId = StringUtils.isNull(role.getRoleId()) ? -1L : role.getRoleId();
        Role info = roleMapper.checkRoleNameUnique(role.getRoleName());
        if (StringUtils.isNotNull(info) && info.getRoleId().longValue() != roleId.longValue()) {
            return UserConstants.ROLE_NAME_NOT_UNIQUE;
        }
        return UserConstants.ROLE_NAME_UNIQUE;
    }
    
    @Override
    public String checkRoleKeyUnique(Role role) {
        Long roleId = StringUtils.isNull(role.getRoleId()) ? -1L : role.getRoleId();
        Role info = roleMapper.checkRoleKeyUnique(role.getRoleKey());
        if (StringUtils.isNotNull(info) && info.getRoleId().longValue() != roleId.longValue()) {
            return UserConstants.ROLE_KEY_NOT_UNIQUE;
        }
        return UserConstants.ROLE_KEY_UNIQUE;
    }
    
    @Override
    public int countUserRoleByRoleId(Long roleId) {
        return userRoleMapper.countUserRoleByRoleId(roleId);
    }
    
    @Override
    public int changeStatus(Role role) {
        return roleMapper.updateRole(role);
    }
    
    @Override
    public int deleteAuthUser(UserRole userRole) {
        return userRoleMapper.deleteUserRoleInfo(userRole);
    }
    
    @Override
    public int deleteAuthUsers(Long roleId, String userIds) {
        return userRoleMapper.deleteUserRoleInfos(roleId, Convert.toLongArray(userIds));
    }

    @Override
    public int insertAuthUsers(Long roleId, String userIds) {
        Long[] users = Convert.toLongArray(userIds);

        /**
         * 遍历分配用户集合 多角色
         */
        List<UserRole> list = Arrays.stream(users).map(u -> {
            UserRole ur = new UserRole();
            ur.setUserId(u);
            ur.setRoleId(roleId);
            return  ur;
        }).collect(Collectors.toList());

        return userRoleMapper.batchUserRole(list);
    }
}