@Aspect
@Order(10)
public class RestControllerAspect {

    public static final Logger logger = LoggerFactory.getLogger(RestControllerAspect.class);

    @Resource
    private OfficeCommonService officeCommonService;

    @Pointcut("execution(public * com.sinosig.epassport.application.controller..*.*(..))")
    public void restful() {
    }

    private static String[] types = {"java.lang.Integer", "java.lang.Double",
            "java.lang.Float", "java.lang.Long", "java.lang.Short",
            "java.lang.Byte", "java.lang.Boolean", "java.lang.Char",
            "java.lang.String", "int", "double", "long", "short", "byte",
            "boolean", "char", "float"};

    @Around("restful()")
    public Object execute(ProceedingJoinPoint pjp) throws Throwable {
        ResultModel rm = new ResultModel();
        Object target = pjp.getTarget();
        processingBefore();
        if (target instanceof BeforeControllerHanding) {
            java.lang.reflect.Method method = Refs.getMethod(pjp.getTarget(), pjp.getSignature().getName());
            if (method.getReturnType() == Void.TYPE) {
                logger.warn("return type is void, not wrap");
                return pjp.proceed();
            }
            StringBuilder sb = new StringBuilder();
            //获取所有的参数
            Object[] args = pjp.getArgs();
            for (int k = 0; k < args.length; k++) {
                Object arg = args[k];
                // 获取对象类型
                String typeName = arg.getClass().getTypeName();
                for (String t : types) {
                    //1 判断是否是基础类型
                    if (t.equals(typeName)) {
                        return sb.append(arg + "; ");

                    } else {
                        Map fieldsValue = (Map) getFieldsValue(arg);

                        String sysNo = (String) fieldsValue.get("sysNo");
                        String sysPwd = (String) fieldsValue.get("sysPwd");
                        List<AccessControlEntity> sysNoAndPwd = officeCommonService.findSysNoAndPwd(sysNo, sysPwd);
                        if (sysNo.isEmpty() || sysPwd.isEmpty()) {
                            return new ResultModel(false, "", "子系统访问账号或密码不能为空");
                        } else if (sysNoAndPwd == null || sysNoAndPwd.size() <= 0) {
                            return new ResultModel(false, "", "账号或密码错误");
                        } else {
                            return pjp.proceed();
                        }
                    }
                }
            }
            return null;
        }
        if (target instanceof RestControllerHandling) {
            try {
                java.lang.reflect.Method method = Refs.getMethod(pjp.getTarget(), pjp.getSignature().getName());
                if (method.getReturnType() == Void.TYPE) {
                    logger.warn("return type is void, not wrap");
                    return pjp.proceed();
                }
                Object result = pjp.proceed();
                rm.setResultData(result.toString());
                rm.setSuccess(true);
                rm.setMessage("");
            } catch (DaoException e) {
                rm.setMessage("数据访问错误");
                logger.error(e.getMessage(), e);
            } catch (NoLoginException e) {
                rm.setMessage("用户未登录或登陆已失效");
                logger.error(e.getMessage(), e);
            } catch (CaptchaErrorException e) {
                rm.setMessage("验证码错误");
                logger.error(e.getMessage(), e);
            } catch (ValidationException e) {
                rm.setMessage(e.getMessage());
                logger.error(e.getMessage(), e);
            } catch (Throwable e) {
                rm.setMessage("系统错误");
                logger.error(e.getMessage(), e);
            }
        } else {
            return pjp.proceed();
        }

        return rm;
    }


    private void processingBefore() {
        try {
            RequestAttributes requestAttributes = RequestContextHolder.getRequestAttributes();
            if (requestAttributes instanceof ServletRequestAttributes) {
                HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
                Page page = PageSelector.getPage();
                page.reset();
                String enabledPage = request.getParameter("enabledPage");
                String pageSizePm = request.getParameter("pageSize");
                String pageIndexPm = request.getParameter("pageIndex");
                if ("0".equals(enabledPage) || "N".equalsIgnoreCase(enabledPage) || "false".equalsIgnoreCase(enabledPage)) {

                } else {
                    if (!Strings.isEmpty(pageSizePm) && !Strings.isEmpty(pageIndexPm)) {
                        int pageSize = Strings.toInteger(pageSizePm, 1);
                        int pageIndex = Strings.toInteger(pageIndexPm, 10);
                        page.setPaging(true);
                        page.setPageSize(pageSize);
                        page.setCurrentPage(pageIndex);
                    }
                }
            }


        } catch (Exception e) {
            logger.error(e.getMessage(), e);
        }
    }


    //解析实体类，获取实体类中的属性
    public static Object getFieldsValue(Object obj) {
        //通过反射获取所有的字段，getFileds()获取public的修饰的字段
        //getDeclaredFields获取private protected public修饰的字段
        Field[] fields = obj.getClass().getDeclaredFields();
        String typeName = obj.getClass().getTypeName();
        for (String t : types) {
            if (t.equals(typeName)) {
                return "";
            }
        }
        Map<Object, Object> map = new HashMap<>();
        for (Field f : fields) {
            //在反射时能访问私有变量
            f.setAccessible(true);
            try {
                for (String str : types) {
                    //这边会有问题，如果实体类里面继续包含实体类，这边就没法获取。
                    //其实，我们可以通递归的方式去处理实体类包含实体类的问题。
                    if (f.getType().getName().equals(str)) {
                        map.put(f.getName(), f.get(obj));
                    }
                }
            } catch (IllegalArgumentException e) {
                e.printStackTrace();
            } catch (IllegalAccessException e) {
                e.printStackTrace();
            }
        }
        return map;
    }
}