package middleware

import (
	"server/call"
	"server/modules/web/app"
	"server/modules/web/values"
	"strconv"
	"strings"

	"github.com/gin-gonic/gin"
	"github.com/liangdas/mqant/log"
)

// 白名单验证
func WhiteIPs() gin.HandlerFunc {
	return func(c *gin.Context) {
		a := app.NewApp(c)
		ip := a.GetRemoteIP()
		uri := c.Request.RequestURI
		tmp := strings.ReplaceAll(uri, "/provider", "")
		tmpSub := strings.Split(tmp, "/")
		if len(tmpSub) < 2 {
			c.Next()
			return
		}
		path := tmpSub[1]
		provider := call.GetConfigGameProviderByPath(path)
		if provider == nil {
			c.Next()
			return
		}
		if len(provider.SubIp) == 0 {
			c.Next()
			return
		}
		for _, v := range provider.SubIp {
			ips := strings.Split(v, "-")
			// 说明是固定ip
			if len(ips) == 1 {
				if ip == v {
					c.Next()
					return
				}
				continue
			}
			// 配置的是ip段的情况
			ip0 := strings.Split(ips[0], ".")
			ip1 := strings.Split(ips[1], ".")
			thisIP := strings.Split(ip, ".")
			same := true
			for i := 0; i < len(thisIP)-1; i++ {
				if thisIP[i] != ip0[i] {
					same = false
					break
				}
			}
			if !same {
				continue
			}
			last0, _ := strconv.Atoi(ip0[len(ip0)-1])
			last1, _ := strconv.Atoi(ip1[len(ip1)-1])
			thisLast, _ := strconv.Atoi(thisIP[len(thisIP)-1])
			if thisLast >= last0 && thisLast <= last1 {
				c.Next()
				return
			}
		}
		log.Debug("ip:%v,provider:%v,path:%v", ip, provider, uri)
		a.Code = values.CodeServer
		a.Response()
		c.Abort()
	}
}