package com.sandu.ximon.admin.service;

import com.sandu.ximon.admin.dto.AdminJwtUser;
import com.sandu.ximon.dao.domain.Admin;
import lombok.extern.slf4j.Slf4j;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.stereotype.Service;


/**
 * @author hupeng
 * @date 2018-11-22
 */
@Slf4j
@Service("adminDetailsService")
public class AdminDetailsServiceImpl implements UserDetailsService {

    private final AdminService adminService;

    private final RoleService roleService;

    public AdminDetailsServiceImpl(AdminService userService, RoleService roleService) {
        this.adminService = userService;
        this.roleService = roleService;
    }

    @Override
    public UserDetails loadUserByUsername(String username) {
        log.info("loadUserByUsername ==  {}", username);
        Admin admin = adminService.findByUserName(username);
        if (admin == null) {
            throw new IllegalArgumentException("账号不存在");
        } else {
            return createJwtUser(admin);
        }
    }

    private UserDetails createJwtUser(Admin admin) {
        return new AdminJwtUser(
                admin,
                roleService.mapToGrantedAuthorities(admin.getId(), true)
        );
    }
}