package com.fdkankan.scene.aop;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.fdkankan.common.constant.ErrorCode;
import com.fdkankan.common.constant.SceneStatus;
import com.fdkankan.common.exception.BusinessException;
import com.fdkankan.scene.annotation.CheckCurrentUser;
import com.fdkankan.scene.entity.*;
import com.fdkankan.scene.service.*;
import com.fdkankan.web.user.SSOLoginHelper;
import com.fdkankan.web.user.SSOUser;
import java.io.IOException;
import java.lang.reflect.Method;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Collectors;
import javax.servlet.http.HttpServletRequest;

import com.fdkankan.web.util.WebUtil;
import lombok.extern.log4j.Log4j2;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

/**
 * 记录注册用户操作记录、异常记录
 */
@Log4j2
@Aspect
@Component
@Order(2)
public class CheckCurrenUserAspect {

	@Autowired
	private ISceneProService sceneProService;
	@Autowired
	private ICameraService cameraService;
	@Autowired
	private SSOLoginHelper ssoLoginHelper;

	@Autowired
	private ISceneCooperationService sceneCooperationService;
	@Autowired
	private IUserRoleService userRoleService;
	@Autowired
	private IUserService userService;

	// Service层切点
	@Pointcut("@annotation(com.fdkankan.scene.annotation.CheckCurrentUser)")
	public void checkUserAspect() {
	}

	/**
	 * 前置通知 用于拦截Controller层记录用户的操作
	 *
	 * @param joinPoint
	 *            切点
	 * @throws IOException
	 */
	@Before("checkUserAspect()")
	public void doBefore(JoinPoint joinPoint) throws Exception {

		HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
		// 读取session中的用户
		SSOUser user = ssoLoginHelper.getSsoUser(request.getHeader("token"));
		if(Objects.isNull(user)){
			throw new BusinessException(ErrorCode.TOKEN_NOT_FOUND);
		}
		String num = WebUtil.getParameter("num", joinPoint, request);
		if(StrUtil.isEmpty(num)){
			throw new BusinessException(ErrorCode.PARAM_REQUIRED);
		}

		ScenePro scenePro= sceneProService.findBySceneNum(num);
		if(Objects.isNull(scenePro)){
			throw new BusinessException(ErrorCode.FAILURE_CODE_5005);
		}
		//如果是计算中或者计算出错，返回计算中
		if(SceneStatus.wait.code().equals(scenePro.getStatus())
				|| SceneStatus.FAILD.code().equals(scenePro.getStatus())){
			throw new BusinessException(ErrorCode.FAILURE_CODE_5033);
		}

		//校验场景用户是否与当前登录用户相同，相同则跳出
		if(Objects.isNull(scenePro.getUserId())){
			throw new BusinessException(ErrorCode.FAILURE_CODE_5014);
		}
		if(scenePro.getUserId().equals(user.getId())){
			return;
		}

		//如果上面场景用户与当前用户不匹配，需要校验当前用户是否拥有某些角色，从而可以访问此场景
		List<UserRole> list = userRoleService.list(new LambdaQueryWrapper<UserRole>().eq(UserRole::getUserId, user.getId()));
		Set<Long> roleIdSet = null;
		if(CollUtil.isNotEmpty(list)){
			roleIdSet = list.stream().map(ur -> ur.getRoleId()).collect(Collectors.toSet());
		}
		if(CollUtil.isEmpty(roleIdSet)){
			throw new BusinessException(ErrorCode.FAILURE_CODE_5014);
		}
		//平台管理员拥有最高权限
		if(roleIdSet.contains(5L)){
			return;
		}

		//判断是否有公司管理者权限，有则放开
		if(roleIdSet.contains(6L)){
			//当前登录用户user
			User currentUser = userService.getById(user.getId());
			User sceneUser = userService.getById(scenePro.getUserId());
			if(Objects.isNull(currentUser) || Objects.isNull(currentUser.getCompanyId())
					|| Objects.isNull(sceneUser) || Objects.isNull(sceneUser.getCompanyId())
					|| !currentUser.getCompanyId().equals(sceneUser.getCompanyId())){
				throw new BusinessException(ErrorCode.FAILURE_CODE_5014);
			}
		}




//		HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes())
//				.getRequest();
//		// 读取session中的用户
//		SSOUser user = ssoLoginHelper.loginCheckV3(request.getHeader("token"));
//		String sceneNum = request.getParameter("sceneNum");
//
//		ScenePro entity = sceneProService.findBySceneNum(sceneNum);
//		if(user == null){
//			log.info(getCheckUserMthodDescription(joinPoint));
//			log.info("不是当前用户的方法:"
//					+ (joinPoint.getTarget().getClass().getName() + "." + joinPoint.getSignature().getName() + "()"));
//			throw new BusinessException(ErrorCode.FAILURE_CODE_5014);
//		}
//
//		if("18750226207".equals(user.getUserName())){
//			log.info("18750226207该账号默认超级管理员，可以操作所有场景");
//			return;
//		}
//
//		if(user.getId() == null){
//			Camera cameraEntity = cameraService.findByChildName(user.getUserName());
//			if((cameraEntity != null && entity != null) && (cameraEntity.getId().longValue() != entity.getCameraId().longValue())){
//				log.info(getCheckUserMthodDescription(joinPoint));
//				log.info("不是当前用户的方法:"
//						+ (joinPoint.getTarget().getClass().getName() + "." + joinPoint.getSignature().getName() + "()"));
//				throw new BusinessException(ErrorCode.FAILURE_CODE_5014);
//			}
//		}
//		else if((user != null && entity != null) && entity.getUserId() != null && (user.getId().longValue() != entity.getUserId().longValue())){
//			SceneCooperation sceneCooperation = sceneCooperationService.getByNum(sceneNum);
//			if(Objects.nonNull(sceneCooperation)){
//				if(sceneCooperation.getUserId().longValue() != user.getId().longValue()){
//					log.info(getCheckUserMthodDescription(joinPoint));
//					log.info("不是当前用户的方法:"
//							+ (joinPoint.getTarget().getClass().getName() + "." + joinPoint.getSignature().getName() + "()"));
//					throw new BusinessException(ErrorCode.FAILURE_CODE_5014);
//				}
//			}else {
//				log.info(getCheckUserMthodDescription(joinPoint));
//				log.info("不是当前用户的方法:"
//						+ (joinPoint.getTarget().getClass().getName() + "." + joinPoint.getSignature().getName() + "()"));
//				throw new BusinessException(ErrorCode.FAILURE_CODE_5014);
//			}
//		}

	}

	/**
	 * 获取注解中对方法的描述信息
	 *
	 * @param joinPoint
	 *            切点
	 * @return 方法描述
	 * @throws Exception
	 */
	public static String getCheckUserMthodDescription(JoinPoint joinPoint) throws Exception {
		String targetName = joinPoint.getTarget().getClass().getName();
		String methodName = joinPoint.getSignature().getName();
		Object[] arguments = joinPoint.getArgs();
		Class targetClass = Class.forName(targetName);
		Method[] methods = targetClass.getMethods();
		String description = "";
		for (Method method : methods) {
			if (method.getName().equals(methodName)) {
				Class[] clazzs = method.getParameterTypes();
				if (clazzs.length == arguments.length) {
					description = method.getAnnotation(CheckCurrentUser.class).description();
					break;
				}
			}
		}
		return description;
	}
}