package CheckHandler

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"strconv"
	"strings"
	"unicode/utf8"
)

/**
功能：检查字符串长度是否合法
作者：黄海
时间：2020-03-17
*/
func lengthLimitIsLegal(c *gin.Context, interName string, n int) (bool, ResultStruct) {
	//1、调用通用检查器
	success, resultStruct, httpType, arr := commonIsLegal(c, interName, n)
	if !success {
		return success, resultStruct
	}

	//2、如果通过了常规检查，那么进行业务专用检查
	for i := 0; i < len(arr); i++ {
		paraStruct := arr[i]
		var nowInt int
		var err error
		if len(paraStruct.inputParameterValue) > 0 {
			//如果非空，检查是否为整数
			nowInt = utf8.RuneCountInString(paraStruct.inputParameterValue)
			//检查是不是在符合的检查范围内
			var rangeArray = strings.Split(paraStruct.paraRange, ",")
			if len(rangeArray) != 2 {
				resultStruct.InterfaceName = interName
				resultStruct.HttpType = httpType
				resultStruct.Parameter = paraStruct.parameterName
				resultStruct.Message = paraStruct.parameterName + "注释声明错误，不是两个以逗号分隔的数字,请研发人员检查！"
				return false, resultStruct
			}
			var startStr = rangeArray[0]
			var endStr = rangeArray[1]
			var startInt int
			var stopInt int
			if startInt, err = strconv.Atoi(startStr); err != nil {
				resultStruct.InterfaceName = interName
				resultStruct.HttpType = httpType
				resultStruct.Parameter = paraStruct.parameterName
				resultStruct.Message = paraStruct.parameterName + "起始值无法转化为整数！"
				return false, resultStruct
			}
			if stopInt, err = strconv.Atoi(endStr); err != nil {
				resultStruct.InterfaceName = interName
				resultStruct.HttpType = httpType
				resultStruct.Parameter = paraStruct.parameterName
				resultStruct.Message = paraStruct.parameterName + "终止值无法转化为整数！"
				return false, resultStruct
			}
			if stopInt < startInt {
				resultStruct.InterfaceName = interName
				resultStruct.HttpType = httpType
				resultStruct.Parameter = paraStruct.parameterName
				resultStruct.Message = paraStruct.parameterName + "停止值小于起始佶，请研发人员检查！"
				return false, resultStruct
			}
			if nowInt < startInt || nowInt > stopInt {
				resultStruct.InterfaceName = interName
				resultStruct.HttpType = httpType
				resultStruct.Parameter = paraStruct.parameterName
				resultStruct.Message = paraStruct.parameterName + fmt.Sprintf("不在规定的长度范围内！要求%d-%d,目前参数值:%d", startInt, stopInt, nowInt)
				return false, resultStruct
			}
		}
	}
	return true, resultStruct
}