package com.ltkj.common.utils;

import cn.hutool.core.date.DateUtil;
import cn.hutool.crypto.SecureUtil;
import cn.hutool.crypto.symmetric.SymmetricAlgorithm;
import cn.hutool.crypto.symmetric.SymmetricCrypto;
import com.ltkj.common.constant.HttpStatus;
import com.ltkj.common.exception.ServiceException;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import com.ltkj.common.core.domain.model.LoginUser;

import java.util.Date;

/**
 * 安全服务工具类
 *
 * @author ltkj
 */
public class SecurityUtils {
    /**
     * 用户ID
     **/
    public static Long getUserId() {
        try {
            return Long.valueOf(getLoginUser().getUserId());
        } catch (Exception e) {
            throw new ServiceException("获取用户ID异常", HttpStatus.UNAUTHORIZED);
        }
    }

    /**
     * 获取部门ID
     **/
    public static Long getDeptId() {
        try {
            return getLoginUser().getDeptId();
        } catch (Exception e) {
            throw new ServiceException("获取部门ID异常", HttpStatus.UNAUTHORIZED);
        }
    }

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

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

    /**
     * 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);
    }

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

    /**
     * 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 String getMallMerchantSecretKey(String secret,String certificateNumber, String number, Date date) {
        String secrets = SecureUtil.md5(secret);
        String certificateNumbers = SecureUtil.md5(certificateNumber);
        String taxNumber = SecureUtil.md5(number);
        String expirationTime = SecureUtil.md5(DateUtil.format(DateUtil.endOfDay(date),"yyyy-MM-dd HH:mm:ss"));
        //随机生成密钥
        SymmetricCrypto aes = new SymmetricCrypto(SymmetricAlgorithm.AES, secret.getBytes());
        return aes.encryptHex(secrets+certificateNumbers+taxNumber+expirationTime);
    }

    public static boolean matchesMallMerchantSecretKey(String secret,String certificateNumber, String number, Date date,String ordSecretKey) {
        String secrets = SecureUtil.md5(secret);
        String certificateNumbers = SecureUtil.md5(certificateNumber);
        String taxNumber = SecureUtil.md5(number);
        String expirationTime = SecureUtil.md5(DateUtil.format(DateUtil.endOfDay(date),"yyyy-MM-dd HH:mm:ss"));
        SymmetricCrypto aes = new SymmetricCrypto(SymmetricAlgorithm.AES, secret.getBytes());
        String encryptHex = aes.encryptHex(secrets+certificateNumbers+taxNumber+expirationTime);

        if(encryptHex.equals(ordSecretKey)){
            return true;
        }
        return false;
    }
}