package com.iailab.module.data.api.utils;


import com.iailab.framework.common.constant.Constant;
import com.iailab.framework.common.pojo.CommonResult;
import com.iailab.framework.security.core.LoginUser;
import com.iailab.framework.security.core.util.SecurityFrameworkUtils;
import com.iailab.module.data.gateway.entity.ApiAppEntity;
import com.iailab.module.data.gateway.service.ApiAppService;
import com.iailab.module.data.gateway.entity.ApiAppEntity;
import com.iailab.module.data.gateway.service.ApiAppService;
import com.iailab.module.system.api.user.AdminUserApi;
import com.iailab.module.system.api.user.dto.AdminUserRespDTO;
import org.apache.commons.lang3.StringUtils;
import javax.annotation.Resource;
import org.springframework.stereotype.Component;
import org.springframework.util.ObjectUtils;

import javax.servlet.http.HttpServletRequest;
import java.util.regex.Pattern;

/**
 * @author PanZhibao
 * @Description
 * @createTime 2023年12月06日 15:55:00
 */
@Component
public class ApiSecurityUtils {

    @Resource
    private ApiAppService apiAppService;

    @Resource
    private AdminUserApi adminUserApi;

    private Pattern pattern = Pattern.compile("^[-\\+]?[\\d]*$");

    private String getRequestToken(HttpServletRequest httpRequest) {
        //从header中获取token
        String token = httpRequest.getHeader(Constant.TOKEN_HEADER);

        //如果header中不存在token，则从参数中获取token
        if (StringUtils.isBlank(token)) {
            token = httpRequest.getParameter(Constant.TOKEN_HEADER);
        }

        return token;
    }


    public void validate(HttpServletRequest httpRequest) throws Exception {
        String token = getRequestToken(httpRequest);
        if (StringUtils.isBlank(token)) {
            throw new Exception("token 不能为空！");
        }
        LoginUser loginUser = SecurityFrameworkUtils.getLoginUser();
        if (ObjectUtils.isEmpty(loginUser)) {
            throw new RuntimeException("用户不能为空");
        }
        CommonResult<AdminUserRespDTO> user = adminUserApi.getUser(loginUser.getId());
        if(ObjectUtils.isEmpty(user)) {
            throw new RuntimeException("用户不存在");
        }
        AdminUserRespDTO userData = user.getData();
        String username = userData.getUsername();
        ApiAppEntity appInfo = apiAppService.getInfoByAppKey(username);
        if (appInfo == null) {
            throw new RuntimeException("应用未授权");
        }
        //TODO 验证签名
//        if(!com.iailab.common.utils.JwtUtils.verify(token, appInfo.getAppSecret())){
//            throw new RuntimeException("签名错误");
//        }
    }

    private boolean isInteger(String str) {
        return pattern.matcher(str).matches();
    }


}