package com.securityControl.common.log.aspect;

import java.lang.reflect.Method;
import java.util.Collection;
import java.util.Map;
import java.util.Objects;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.securityControl.common.core.utils.aes.DateTimeHelper;
import com.securityControl.common.log.enums.BusinessType;
import com.securityControl.system.api.domain.SysOperLog;
import com.securityControl.system.api.domain.SysUser;
import com.securityControl.system.api.model.LoginUser;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.*;
import org.aspectj.lang.reflect.MethodSignature;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpMethod;
import org.springframework.stereotype.Component;
import org.springframework.validation.BindingResult;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.multipart.MultipartFile;
import com.alibaba.fastjson2.JSON;
import com.securityControl.common.core.utils.ServletUtils;
import com.securityControl.common.core.utils.StringUtils;
import com.securityControl.common.core.utils.ip.IpUtils;
import com.securityControl.common.log.annotation.Log;
import com.securityControl.common.log.enums.BusinessStatus;
import com.securityControl.common.log.filter.PropertyPreExcludeFilter;
import com.securityControl.common.log.service.AsyncLogService;
import com.securityControl.common.security.utils.SecurityUtils;

/**
 * 操作日志记录处理
 * ·
 *
 * @author czc
 */
@Aspect
@Component
@Slf4j
public class LogAspect {

    /**
     * 排除敏感属性字段
     */
    public static final String[] EXCLUDE_PROPERTIES = {"password", "oldPassword", "newPassword", "confirmPassword"};

    @Autowired
    private AsyncLogService asyncLogService;

    /**
     * 处理完请求后执行
     *
     * @param joinPoint 切点
     */
    @AfterReturning(pointcut = "@annotation(controllerLog)", returning = "jsonResult")
    public void doAfterReturning(JoinPoint joinPoint, Log controllerLog, Object jsonResult) {
        //handleLog(joinPoint, controllerLog, null, jsonResult);
    }

    /**
     * 拦截异常操作
     *
     * @param joinPoint 切点
     * @param e         异常
     */
    @AfterThrowing(value = "@annotation(controllerLog)", throwing = "e")
    public void doAfterThrowing(JoinPoint joinPoint, Log controllerLog, Exception e) {
        handleExceptionLog(joinPoint, controllerLog, e);
    }

    /**
     * 处理异常日志
     *
     * @param joinPoint
     * @param controllerLog
     * @param e
     */
    protected void handleExceptionLog(final JoinPoint joinPoint, Log controllerLog, final Exception e) {
        try {
            // *========数据库日志=========*//
            SysOperLog operLog = new SysOperLog();
            operLog.setStatus(BusinessStatus.SUCCESS.ordinal());
            operLog.setLogType(controllerLog.type());
            operLog.setTitle(controllerLog.title());
            operLog.setDetail(controllerLog.details());
            operLog.setGrade(controllerLog.grade().getInfo());
            operLog.setTimes(DateTimeHelper.getNowTime());
            operLog.setBusinessType(controllerLog.businessType().ordinal());
            // 请求的地址
            String ip = IpUtils.getIpAddr(ServletUtils.getRequest());
            operLog.setOperIp(ip);
            operLog.setOperUrl(StringUtils.substring(ServletUtils.getRequest().getRequestURI(), 0, 255));
            //用户角色及单位
            LoginUser loginUser = SecurityUtils.getLoginUser();
            if (null != loginUser && null != loginUser.getSysUser()) {
                SysUser sysUser = loginUser.getSysUser();
                operLog.setRoleName(sysUser.getRoleName());
                operLog.setDeptName(sysUser.getOrgName());
                operLog.setOperName(sysUser.getUserName());
            }
            if (e != null) {
                operLog.setStatus(BusinessStatus.FAIL.ordinal());
                operLog.setErrorMsg(StringUtils.substring(e.getMessage(), 0, 2000));
            }
            // 设置方法名称
            String className = joinPoint.getTarget().getClass().getName();
            String methodName = joinPoint.getSignature().getName();
            operLog.setMethod(className + "." + methodName + "()");
            // 设置请求方式
            operLog.setRequestMethod(ServletUtils.getRequest().getMethod());
            // 处理设置注解上的参数
            //getControllerMethodDescription(joinPoint, controllerLog, operLog, jsonResult);
            // 保存数据库
            asyncLogService.saveSysLog(operLog);
        } catch (Exception exp) {
            // 记录本地异常日志
            log.error("==前置通知异常==");
            log.error("异常信息:{}", exp.getMessage());
            exp.printStackTrace();
        }
    }

    /**
     * 获取注解中对方法的描述信息 用于Controller层注解
     *
     * @param log     日志
     * @param operLog 操作日志
     */
    public void getControllerMethodDescription(JoinPoint joinPoint, Log log, SysOperLog operLog) {
        //业务模块
        operLog.setTitle(log.title());
        operLog.setGrade(log.grade().getInfo());
        operLog.setLogType(log.type());
        operLog.setSysMenu(log.menu());
        operLog.setTimes(DateTimeHelper.getNowTime());
        // 设置操作人类别
        operLog.setOperatorType(log.operatorType().ordinal());
        // 是否需要保存request，参数和值
        if (log.isSaveRequestData()) {
            // 获取参数的信息，传入到数据库中。
            setRequestValue(joinPoint, operLog);
        }

        // 设置action动作
        operLog.setBusinessType(log.businessType().ordinal());
        BusinessType businessType = log.businessType();
        switch (businessType) {
            case UPDATE:
                if (log.title().equals("日志管理") && log.details().equals("修改日志容量")) {
                    String url = operLog.getOperUrl();
                    operLog.setDetail(String.format("日志容量修改为%s", url.substring(url.lastIndexOf("/") + 1)));
                } else {
                    operLog.setDetail(buildDetail(operLog, log));
                }
                break;
            case QUERY:
            default:
                operLog.setDetail(buildDetail(operLog, log));
                break;
        }
    }

    private String buildDetail(SysOperLog operLog, Log log) {
        StringBuilder sb = new StringBuilder();
        sb.append("用户[");
        sb.append(operLog.getOperName());
        sb.append("(");
        sb.append(operLog.getRoleName());
        sb.append(")]");
        sb.append("所属单位[");
        sb.append(operLog.getDeptName());
        sb.append("]");
        sb.append("于");
        sb.append("[");
        sb.append(operLog.getTimes());
        sb.append("]");
        sb.append("时间在");
        sb.append("[");
        sb.append(operLog.getOperIp());
        sb.append("]");
        sb.append("IP上在模块[");
        sb.append(operLog.getTitle());
        sb.append("]");
        sb.append("下执行了[");
        sb.append(log.details());
        sb.append("]操作");
        sb.append("参数为：");
        if (null == operLog.getOperParam()) {
            sb.append("空，");
        } else {
            sb.append(operLog.getOperParam());
        }
        sb.append("操作结果[成功]，方法执行时间[&&]ms");
        return sb.toString();

    }

    /**
     * 获取请求的参数，放到log中
     *
     * @param operLog 操作日志
     */
    private void setRequestValue(JoinPoint joinPoint, SysOperLog operLog) {
        String requestMethod = operLog.getRequestMethod();
        if (HttpMethod.PUT.name().equals(requestMethod) || HttpMethod.POST.name().equals(requestMethod)) {
            String params = argsArrayToString(joinPoint.getArgs());
            operLog.setOperParam(StringUtils.substring(params, 0, 2000));
        }
    }

    /**
     * 参数拼装
     */
    private String argsArrayToString(Object[] paramsArray) {
        StringBuilder params = new StringBuilder();
        if (paramsArray != null && paramsArray.length > 0) {
            for (Object o : paramsArray) {
                if (StringUtils.isNotNull(o) && !isFilterObject(o)) {
                    try {
                        String jsonObj = JSON.toJSONString(o, excludePropertyPreFilter());
                        params.append(jsonObj).append(" ");
                    } catch (Exception e) {
                    }
                }
            }
        }
        return params.toString().trim();
    }

    /**
     * 忽略敏感属性
     */
    public PropertyPreExcludeFilter excludePropertyPreFilter() {
        return new PropertyPreExcludeFilter().addExcludes(EXCLUDE_PROPERTIES);
    }

    /**
     * 判断是否需要过滤的对象。
     *
     * @param o 对象信息。
     * @return 如果是需要过滤的对象，则返回true；否则返回false。
     */
    @SuppressWarnings("rawtypes")
    public boolean isFilterObject(final Object o) {
        Class<?> clazz = o.getClass();
        if (clazz.isArray()) {
            return clazz.getComponentType().isAssignableFrom(MultipartFile.class);
        } else if (Collection.class.isAssignableFrom(clazz)) {
            Collection collection = (Collection) o;
            for (Object value : collection) {
                return value instanceof MultipartFile;
            }
        } else if (Map.class.isAssignableFrom(clazz)) {
            Map map = (Map) o;
            for (Object value : map.entrySet()) {
                Map.Entry entry = (Map.Entry) value;
                return entry.getValue() instanceof MultipartFile;
            }
        }
        return o instanceof MultipartFile || o instanceof HttpServletRequest || o instanceof HttpServletResponse
                || o instanceof BindingResult;
    }


    /**
     * 两个..代表所有子目录，最后括号里的两个..代表所有参数
     */
    @Pointcut("execution(* com.securityControl.system.controller..*(..)) || execution( * com.sercurityControl..*.controller..*(..))")
    public void logPointCut() {
    }

    /**
     * 日志打印
     *
     * @param joinPoint
     * @return Object
     * @throws Throwable
     */
    @Around("logPointCut()")
    public Object doAround(ProceedingJoinPoint joinPoint) throws Throwable {
        String name = joinPoint.getSignature().getName();
        if (Objects.equals(name,"deviceUpDownToJs")) {
            return joinPoint.proceed();
        }
        long startTime = System.currentTimeMillis();
        Object ob = null;
        // 接收到请求，记录请求内容
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        assert attributes != null;
        if(attributes==null){
            return null;
        }
        HttpServletRequest request = attributes.getRequest();
        if(request==null){
            return null;
        }
        String uri = request.getRequestURI();
        //控制台打印日志
    //    printRequestLog(joinPoint, request, uri);

        ob = joinPoint.proceed();
        long time = System.currentTimeMillis() - startTime;
      //  log.info("耗时 : {}ms", time);

        // *========数据库日志=========*//
        SysOperLog sysLog = saveOperLog(joinPoint);
        sysLog.setLogTime(time);
        if (sysLog.getIsLog()) {
            if (StringUtils.isNotEmpty(sysLog.getDetail())) {
                sysLog.setDetail(sysLog.getDetail().replaceFirst("&&", String.valueOf(time)));
            }
            asyncLogService.saveSysLog(sysLog);
        }
        return ob;
    }

    /**
     * 处理系统日志
     *
     * @param joinPoint
     * @return SysOperLog
     */
    private SysOperLog saveOperLog(ProceedingJoinPoint joinPoint) {
        SysOperLog operLog = new SysOperLog();
        operLog.setStatus(BusinessStatus.SUCCESS.ordinal());
        // 请求的地址
        String ip = IpUtils.getIpAddr(ServletUtils.getRequest());
        operLog.setOperIp(ip);
        operLog.setOperUrl(StringUtils.substring(ServletUtils.getRequest().getRequestURI(), 0, 255));
        String userId = String.valueOf(SecurityUtils.getUserId());
     //   log.info("userid:{}", userId);
        //用户角色及单位
        LoginUser loginUser = SecurityUtils.getLoginUser();
        if (null != loginUser && null != loginUser.getSysUser()) {
            SysUser sysUser = loginUser.getSysUser();
            operLog.setRoleName(sysUser.getRoleName());
            operLog.setDeptName(sysUser.getOrgName());
            operLog.setOperName(sysUser.getUserName());
        }
        // 设置方法名称
        String className = joinPoint.getTarget().getClass().getName();
        String methodName = joinPoint.getSignature().getName();
        operLog.setMethod(className + "." + methodName + "()");
        // 设置请求方式
        operLog.setRequestMethod(ServletUtils.getRequest().getMethod());

        // 处理设置注解上的参数
        Method method = getMethod(joinPoint);
        Log annotation = method.getAnnotation(Log.class);
        operLog.setIsLog(false);
        if (null != annotation) {
            operLog.setIsLog(true);
            getControllerMethodDescription(joinPoint, annotation, operLog);
        }
        return operLog;
    }


    /**
     * 打印请求日志
     *
     * @param joinPoint
     * @param request
     * @param uri
     */
    private void printRequestLog(JoinPoint joinPoint, HttpServletRequest request, String uri) {
      //  log.info("请求地址 : {}", uri);
        // 获取请求ContentType
    //    log.info("请求方式 : {}", request.getMethod());
        // 获取真实的ip地址
        String ip = StringUtils.getRemoteIp(request);
     //   log.info("IP : {}", ip);
        //String controllerName = joinPoint.getSignature().getDeclaringTypeName();
      ///  log.info("方法 : {}", joinPoint.getSignature().getName());
        Object[] args = joinPoint.getArgs();
        // 参数存在，且参数不是request，且需要记录日志参数
        boolean logParamFlag = args != null &&
                args.length > 0 &&
                !(args[0] instanceof ServletRequest) &&
                !(args[0] instanceof MultipartFile) &&
                !(args[0] instanceof ServletResponse);
        if (logParamFlag) {
            String param = JSON.toJSONString(args[0]);
           // log.info("参数 : {}", param);
        }
        String ua = request.getHeader("user-Agent");
      //  log.info("userAgent：{}", ua);
    }


    /**
     * 获取切点的method
     *
     * @param joinPoint
     * @return
     */
    private Method getMethod(JoinPoint joinPoint) {
        MethodSignature signature = (MethodSignature) joinPoint.getSignature();
        return signature.getMethod();
    }
}