package library

import (
	"fmt"
	"github.com/gogf/gf/crypto/gmd5"
	"github.com/gogf/gf/encoding/gcharset"
	"github.com/gogf/gf/encoding/gjson"
	"github.com/gogf/gf/encoding/gurl"
	"github.com/gogf/gf/errors/gerror"
	"github.com/gogf/gf/frame/g"
	"github.com/gogf/gf/net/ghttp"
	"github.com/gogf/gf/os/gtime"
	"net"
)

//密码加密
func EncryptPassword(password, salt string) string {
	return gmd5.MustEncryptString(gmd5.MustEncryptString(password) + gmd5.MustEncryptString(salt))
}

//时间戳转 yyyy-MM-dd HH:mm:ss
func TimeStampToDateTime(timeStamp int64) string {
	tm := gtime.NewFromTimeStamp(timeStamp)
	return tm.Format("Y-m-d H:i:s")
}

//时间戳转 yyyy-MM-dd
func TimeStampToDate(timeStamp int64) string {
	tm := gtime.NewFromTimeStamp(timeStamp)
	return tm.Format("Y-m-d")
}

//获取当前请求接口域名
func GetDomain(r *ghttp.Request) (string, error) {
	pathInfo, err := gurl.ParseURL(r.GetUrl(), -1)
	if err != nil {
		g.Log().Error(err)
		err = gerror.New("解析附件路径失败")
		return "", err
	}
	return fmt.Sprintf("%s://%s:%s/", pathInfo["scheme"], pathInfo["host"], pathInfo["port"]), nil
}

//获取客户端IP
func GetClientIp(r *ghttp.Request) string {
	ip := r.Header.Get("X-Forwarded-For")
	if ip == "" {
		ip = r.GetClientIp()
	}
	return ip
}

//服务端ip
func GetLocalIP() (ip string, err error) {
	addrs, err := net.InterfaceAddrs()
	if err != nil {
		return
	}
	for _, addr := range addrs {
		ipAddr, ok := addr.(*net.IPNet)
		if !ok {
			continue
		}
		if ipAddr.IP.IsLoopback() {
			continue
		}
		if !ipAddr.IP.IsGlobalUnicast() {
			continue
		}
		return ipAddr.IP.String(), nil
	}
	return
}

//获取ip所属城市
func GetCityByIp(ip string) string {
	if ip == "" {
		return ""
	}
	if ip == "[::1]" || ip == "127.0.0.1" {
		return "内网IP"
	}
	url := "http://whois.pconline.com.cn/ipJson.jsp?json=true&ip=" + ip
	bytes := g.Client().GetBytes(url)
	src := string(bytes)
	srcCharset := "GBK"
	tmp, _ := gcharset.ToUTF8(srcCharset, src)
	json, err := gjson.DecodeToJson(tmp)
	if err != nil {
		return ""
	}
	if json.GetInt("code") == 0 {
		city := fmt.Sprintf("%s %s", json.GetString("pro"), json.GetString("city"))
		return city
	} else {
		return ""
	}
}

//日期字符串转时间戳（秒）
func StrToTimestamp(dateStr string) int64 {
	tm, err := gtime.StrToTime(dateStr)
	if err != nil {
		g.Log().Error(err)
		return 0
	}
	return tm.Timestamp()
}