// Package util ...
//
// Description : util ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2023-03-31 18:51
package util

import (
	"math/rand"
	"time"
)

var defaultUserAgentList = []string{
	"Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.8) Gecko Fedora/1.9.0.8-1.fc10 Kazehakase/0.5.6",
	"Mozilla/5.0 (X11; Linux i686; U;) Gecko/20070322 Kazehakase/0.4.5",
	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.71 Safari/537.1 LBBROWSER",
	"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11",
	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.64 Safari/537.11",
	"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; QQDownload 732; .NET4.0C; .NET4.0E)",
	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11",
	"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; SV1; QQDownload 732; .NET4.0C; .NET4.0E; 360SE)",
	"Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2; .NET CLR 3.0.04506.30)",
	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.20 (KHTML, like Gecko) Chrome/19.0.1036.7 Safari/535.20",
	"Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.8) Gecko Fedora/1.9.0.8-1.fc10 Kazehakase/0.5.6",
	"Mozilla/5.0 (X11; U; Linux x86_64; zh-CN; rv:1.9.2.10) Gecko/20100922 Ubuntu/10.10 (maverick) Firefox/3.6.10",
	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.71 Safari/537.1 LBBROWSER",
	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1",
	"Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Acoo Browser; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506)",
	"Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.12) Gecko/20070731 Ubuntu/dapper-security Firefox/1.5.0.12",
	"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; QQDownload 732; .NET4.0C; .NET4.0E; LBBROWSER)",
	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1",
	"Mozilla/5.0 (iPhone; CPU iPhone OS 10_3 like Mac OS X) AppleWebKit/603.1.30 (KHTML, like Gecko) Version/10.3 Mobile/14E277 Safari/603.1.30",
	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36",
	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1",
	"(KHTML, like Gecko) Chrome/22.0.1207.1 Safari/537.1",
	"Mozilla/5.0 (X11; CrOS i686 2268.111.0) AppleWebKit/536.11",
	"(KHTML, like Gecko) Chrome/20.0.1132.57 Safari/536.11",
	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.6",
	"(KHTML, like Gecko) Chrome/20.0.1092.0 Safari/536.6",
	"Mozilla/5.0 (Windows NT 6.2) AppleWebKit/536.6",
	"(KHTML, like Gecko) Chrome/20.0.1090.0 Safari/536.6",
	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.1",
	"(KHTML, like Gecko) Chrome/19.77.34.5 Safari/537.1",
	"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/536.5",
	"(KHTML, like Gecko) Chrome/19.0.1084.9 Safari/536.5",
	"Mozilla/5.0 (Windows NT 6.0) AppleWebKit/536.5",
	"(KHTML, like Gecko) Chrome/19.0.1084.36 Safari/536.5",
	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.3",
	"(KHTML, like Gecko) Chrome/19.0.1063.0 Safari/536.3",
	"Mozilla/5.0 (Windows NT 5.1) AppleWebKit/536.3",
	"(KHTML, like Gecko) Chrome/19.0.1063.0 Safari/536.3",
	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_0) AppleWebKit/536.3",
	"(KHTML, like Gecko) Chrome/19.0.1063.0 Safari/536.3",
	"Mozilla/5.0 (Windows NT 6.2) AppleWebKit/536.3",
	"(KHTML, like Gecko) Chrome/19.0.1062.0 Safari/536.3",
	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.3",
	"(KHTML, like Gecko) Chrome/19.0.1062.0 Safari/536.3",
	"Mozilla/5.0 (Windows NT 6.2) AppleWebKit/536.3",
	"(KHTML, like Gecko) Chrome/19.0.1061.1 Safari/536.3",
	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.3",
	"(KHTML, like Gecko) Chrome/19.0.1061.1 Safari/536.3",
	"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.3",
	"(KHTML, like Gecko) Chrome/19.0.1061.1 Safari/536.3",
	"Mozilla/5.0 (Windows NT 6.2) AppleWebKit/536.3",
	"(KHTML, like Gecko) Chrome/19.0.1061.0 Safari/536.3",
	"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.24",
	"(KHTML, like Gecko) Chrome/19.0.1055.1 Safari/535.24",
	"Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/535.24",
	"(KHTML, like Gecko) Chrome/19.0.1055.1 Safari/535.24",
}

type userAgent struct {
	list []string
}

// Set 设置ua池
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 18:55 2023/3/31
func (ua *userAgent) Set(agentList []string) {
	if len(agentList) == 0 {
		return
	}
	ua.list = agentList
}

// GetRandomUA 随机获取UA
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 18:56 2023/3/31
func (ua *userAgent) GetRandomUA() string {
	rand.Seed(time.Now().UnixNano())
	idx := rand.Intn(len(ua.list))
	return ua.list[idx]
}