package com.poyee.common.service.aop;

import com.poyee.common.service.annotation.RequireRoles;
import com.poyee.common.service.common.user.UserInfo;
import com.poyee.common.service.common.user.UserUtils;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.stereotype.Component;

import java.lang.reflect.Method;
import java.util.*;

@Slf4j
@Aspect
@Component
public class AppRoleAspect {

	// 配置织入点
	@Pointcut("@annotation(cn.hobbystocks.auc.annotation.RequireRoles)")
	public void rolePointCut() {
	}

	// @RequireRoles({"admin"})
	@Around("cn.hobbystocks.auc.aop.AppRoleAspect.rolePointCut()")
	public Object roleBefore(ProceedingJoinPoint pjp) throws Throwable {
		UserInfo user = UserUtils.getSimpleUserInfo();
		Signature signature = pjp.getSignature();
		MethodSignature methodSignature = (MethodSignature) signature;
		Method targetMethod = methodSignature.getMethod();
		RequireRoles annotation = targetMethod.getAnnotation(RequireRoles.class);
		String[] roles = annotation.value();
		List<String> requirePermissions = Arrays.asList(roles);
		List<String> userPermissions = new ArrayList<>();
		String role = user.getRoleCode() != null ? user.getRoleCode() : "";
		userPermissions.add(role);
		List<String> permissionsList = user.getPermissionsList();
		// if (!CollectionUtils.isEmpty(permissionsList)) {
		// userPermissions.addAll(permissionsList);
		// }
		// Set<String> commonRole = getCommonElements(requirePermissions,
		// userPermissions);
		// if (CollectionUtils.isEmpty(commonRole)) {
		// log.info("权限不足,用户信息:{}",user);
		// return AjaxResult.error("权限不足!");
		// }
		return pjp.proceed();

	}

	private Set<String> getCommonElements(List<String> list1, List<String> list2) {
		// if (CollectionUtils.isEmpty(list1) || CollectionUtils.isEmpty(list2)) {
		// return null;
		// }
		Set<String> set1 = new HashSet<>(list1);
		Set<String> set2 = new HashSet<>(list2);
		Set<String> commonElements = new HashSet<>(set1);
		commonElements.retainAll(set2);
		return commonElements;
	}

}