package xstring

import (
	"regexp"
	"strings"
)

// 是否为移动设备UserAgent
func IsMobileUA(userAgent string) bool {
	if len(userAgent) <= 4 { // 小于4位
		return false
	}
	re := regexp.MustCompile("(?i:(android|bb\\d+|meego).+mobile|avantgo|bada\\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od|ad)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino)")
	re2 := regexp.MustCompile("(?i:1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\\-(n|u)|c55\\/|capi|ccwa|cdm\\-|cell|chtm|cldc|cmd\\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\\-s|devi|dica|dmob|do(c|p)o|ds(12|\\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\\-|_)|g1 u|g560|gene|gf\\-5|g\\-mo|go(\\.w|od)|gr(ad|un)|haie|hcit|hd\\-(m|p|t)|hei\\-|hi(pt|ta)|hp( i|ip)|hs\\-c|ht(c(\\-| |_|a|g|p|s|t)|totalPanel)|hu(aw|tc)|i\\-(20|go|ma)|i230|iac( |\\-|\\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\\/)|klon|kpt |kwc\\-|kyo(c|k)|le(no|xi)|lg( g|\\/(k|l|u)|50|54|\\-[a-w])|libw|lynx|m1\\-w|m3ga|m50\\/|ma(te|ui|xo)|mc(01|21|ca)|m\\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\\-2|po(ck|rt|se)|prox|psio|pt\\-g|qa\\-a|qc(07|12|21|32|60|\\-[2-7]|i\\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\\-|oo|p\\-)|sdk\\/|se(c(\\-|0|1)|47|mc|nd|ri)|sgh\\-|shar|sie(\\-|m)|sk\\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\\-|v\\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\\-|tdg\\-|tel(i|m)|tim\\-|t\\-mo|to(pl|sh)|ts(70|m\\-|m3|m5)|tx\\-9|up(\\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\\-|your|zeto|zte\\-)")
	return re.MatchString(userAgent) || re2.MatchString(userAgent[0:4])
}

//根据ua判断访客是手机端还是PC端访问
//手机端返回true，否则返回false，默认返回false,即PC端
func IsMobileUA2(ua string) bool {
	ua = strings.ToLower(ua)
	//常见的手机端UA判断，有即默认为手机端 pad、phone关键字替代ipad，iphone,apad等
	mobile := []string{"mobile", "phone", "android", "pad", "pod", "symbian", "wap", "smartphone", "apk", "ios"}
	for _, m := range mobile {
		if strings.Contains(ua, m) {
			return true
		}
	}
	//生僻的不常见的UA判断
	mbstr := "w3c,acs-,alav,alca,amoi,audi,avan,benq,bird,blac"
	mbstr += "blaz,brew,cell,cldc,cmd-,dang,doco,eric,hipt,inno"
	mbstr += "ipaq,java,jigs,kddi,keji,leno,lg-c,lg-d,lg-g,"
	mbstr += "maui,maxo,midp,mits,mmef,mobi,mot-,moto,mwbp,"
	mbstr += "newt,noki,oper,palm,pana,pant,phil,play,port,prox"
	mbstr += "qwap,sage,sams,sany,sch-,sec-,send,seri,sgh-,shar"
	mbstr += "sie-,siem,smal,smar,sony,sph-,symb,t-mo,teli,"
	mbstr += "tsm-,upg1,upsi,vk-v,voda,wap-,wapa,wapi,wapp"
	mbstr += "wapr,webc,winw,winw,xda,xda-,up.browser,up.link,mmp,midp,xoom"
	slice := strings.Split(mbstr, ",")
	for _, m := range slice {
		if strings.Contains(ua, m) {
			return true
		}
	}
	return false
}