package com.gkhy.exam.common.utils;

import com.gkhy.exam.common.domain.model.LoginUserDetails;
import com.gkhy.exam.common.exception.ApiException;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

public class SecurityUtils {

    /**
     * 是否为管理员
     *
     * @param userId 用户ID
     * @return 结果
     */
    public static boolean isAdmin(Long userId)
    {
        return userId != null && 1L == userId;
    }

    public static boolean adminUser(){
        if(getLoginUser() == null){
            return false;
        }
        if(getLoginUser().getUser().getId() == 1L){
            return true;
        }
        if(getLoginUser().getUser().getUserType() == 0){
            return true;
        }
       return false;
    }

    /**
     * 判断密码是否相同
     * @param rawPasword   真实密码
     * @param encodePassword  加密后密码
     * @return
     */
    public static boolean matchesPassword(String rawPasword,String encodePassword){
        BCryptPasswordEncoder passwordEncoder=new BCryptPasswordEncoder();
        return passwordEncoder.matches(rawPasword,encodePassword);
    }

   /*
    **
     * 用户ID
     **/
    public static Long getUserId()
    {
        try
        {
            return getLoginUser().getUser().getId();
        }
        catch (Exception e)
        {
            throw new ApiException("获取用户ID异常");
        }
    }



    /*
     **
     * 用户ID
     **/
    public static Long getCompanyId()
    {
        try
        {
            return getLoginUser().getUser().getCompanyId();
        }
        catch (Exception e)
        {
            throw new ApiException("获取用户公司异常");
        }
    }



    /**
     * 获取用户账户
     **/
    public static String getUsername()
    {
        try
        {
            return getLoginUser().getUser().getUsername();
        }
        catch (Exception e)
        {
            throw new ApiException("获取用户账户异常");
        }
    }

    /**
     * 获取用户
     **/
    public static LoginUserDetails getLoginUser()
    {
        try
        {
            return (LoginUserDetails) getAuthentication().getPrincipal();
        }
        catch (Exception e)
        {
            throw new ApiException("获取用户信息异常");
        }
    }


    /**
     * 获取用户
     **/
    public static LoginUserDetails getLoginUserWithoutError()
    {
        try
        {
            return (LoginUserDetails) getAuthentication().getPrincipal();
        }
        catch (Exception e)
        {
            return null;
        }
    }



    /**
     * 获取Authentication
     */
    public static Authentication getAuthentication()
    {
        return SecurityContextHolder.getContext().getAuthentication();
    }

    /**
     * 生成BCryptPasswordEncoder密码
     *
     * @param password 密码
     * @return 加密字符串
     */
    public static String encryptPassword(String password)
    {
        BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
        return passwordEncoder.encode(password);
    }


}