package common

import (
	"net"

	"91porn-server/common/httputil"
	"91porn-server/common/log"
)

var (
	defaultCity     = "广州"
	defaultProvince = "广东"
	ipNewURL        = "https://loc.ztgba.com/self/getLocationByIp"
)

// 老接口
type LocationResp struct {
	RegionName string `json:"region_name"`
	CityName   string `json:"city_name"`
	IP         string `json:"ip"`
}

func GetLocationByIP(ip string) (string, string) {

	return "-", "-"

	// var params = map[string]string{"ip": ip}
	// loc := LocationResp{}
	// c, cancel := context.WithTimeout(context.Background(), 3*time.Second)
	// defer cancel()
	// if _, err := httputil.DefaultClientPostJsonWithRespWithCtx(c, &loc, ipNewURL, nil, params); err != nil {
	// 	log.Error("GetLocationByIP error", log.Any("ip", ip), log.E(err))
	// 	return defaultCity, defaultProvince
	// }
	// if (len(loc.RegionName) == 0 && len(loc.CityName) == 0) || loc.RegionName == "局域网" || loc.RegionName == "柬埔寨" {
	// 	return defaultCity, defaultProvince
	// }
	// if len(loc.CityName) == 0 {
	// 	return loc.RegionName, loc.RegionName
	// }
	// return loc.CityName, loc.RegionName
}

type CountryResp struct {
	Country    string `json:"country_name"`
	RegionName string `json:"region_name"`
	IP         string `json:"ip"`
}

// InChina
// 香港返回false
func InChina(ip string) bool {
	var params = map[string]string{"ip": ip}
	resp := CountryResp{}
	if _, err := httputil.DefaultClientPostJsonWithResp(&resp, ipNewURL, nil, params); err != nil {
		log.Error("InChina error", log.Any("ip", ip), log.E(err))
		return true
	}
	if resp.RegionName == "香港" {
		return false
	}
	return resp.Country == "中国"
}

func GetLocalIP() string {
	addrs, err := net.InterfaceAddrs()
	if err != nil {
		return ""
	}
	for _, addr := range addrs {
		if ipnet, ok := addr.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
			if ipnet.IP.To4() != nil && ipnet.IP.IsGlobalUnicast() {
				return ipnet.IP.String()
			}
		}
	}
	return ""
}