package outServer

import (
	"fmt"
	"net/http"
	"net/http/cookiejar"
	"net/url"
	"regexp"
	"strings"
	"time"

	"github.com/gogf/gf/v2/net/ghttp"
	"github.com/gogf/gf/v2/util/gconv"
	"golang.org/x/net/publicsuffix"
)

type sussBi struct {
	addr       string
	loginAddr  string
	user       string
	pwd        string
	Url        *url.URL
	cookiePath string
	jar        *cookiejar.Jar
	succbiJar  *cookiejar.Jar
	prm        *ParamReplaceManager
}

// 参数替换
type ParamReplace struct {
	Replace []ParamReplaceSetting
	Match   []ParamReplaceSetting
}

type ParamReplaceSetting struct {
	Key, Value string
}

type ParamReplaceManager struct {
	eqRouters   map[string]*ParamReplace
	regexRouter map[*regexp.Regexp]*ParamReplace
}

func InitSussBi(config map[string]interface{}) (*sussBi, error) {
	address := gconv.String(config["addr"])
	user := gconv.String(config["user"])
	password := gconv.String(config["password"])
	paramReplace := gconv.Map(config["paramReplace"])
	cookiePath := gconv.String(config["cookiePath"])
	loginAddr := gconv.String(config["loginAddr"])
	if address == "" {
		return nil, fmt.Errorf("配置异常")
	}
	sussCookie, err := cookiejar.New(&cookiejar.Options{
		PublicSuffixList: publicsuffix.List,
	})
	if err != nil {
		return nil, fmt.Errorf("初始化cookie异常")
	}
	sussCookie2, err2 := cookiejar.New(&cookiejar.Options{
		PublicSuffixList: publicsuffix.List,
	})
	if err2 != nil {
		return nil, fmt.Errorf("初始化cookie异常")
	}
	prManager := &ParamReplaceManager{
		eqRouters:   map[string]*ParamReplace{},
		regexRouter: map[*regexp.Regexp]*ParamReplace{},
	}

	for url, setting := range paramReplace {
		pr := &ParamReplace{}
		settingMap := gconv.Map(setting)
		if settingMap == nil || len(settingMap) == 0 {
			continue
		}
		if replaceMap := gconv.Map(settingMap["replace"]); replaceMap != nil && len(replaceMap) > 0 {
			for k, v := range replaceMap {
				pr.Replace = append(pr.Replace, ParamReplaceSetting{
					Key:   k,
					Value: gconv.String(v),
				})
			}
		}
		replaceMap := gconv.Map(settingMap["match"])
		if replaceMap != nil && len(replaceMap) > 0 {
			for k, v := range replaceMap {
				pr.Match = append(pr.Match, ParamReplaceSetting{
					Key:   k,
					Value: gconv.String(v),
				})
			}
		}
		if len(pr.Match) == 0 && len(pr.Replace) == 0 {
			continue
		}
		if regexp.QuoteMeta(url) == url {
			prManager.eqRouters[url] = pr
		} else {
			if reg, err := regexp.Compile(url); err == nil {
				prManager.regexRouter[reg] = pr
			}
		}
	}
	u, _ := url.Parse(address)
	return &sussBi{
		addr:       address,
		user:       user,
		Url:        u,
		pwd:        password,
		loginAddr:  loginAddr,
		cookiePath: cookiePath,
		jar:        sussCookie,
		succbiJar:  sussCookie2,
		prm:        prManager,
	}, nil
}

// AutoLogin 自动登录
func (s *sussBi) AutoLogin() error {
	client := &http.Client{
		Jar: s.jar,
	}
	resp, err := client.Get(fmt.Sprintf("%s/?:user=%s&:password=%s", s.addr, s.user, s.pwd))
	if err != nil {
		return err
	}
	if !(resp.StatusCode == 302 || resp.StatusCode == 200) {
		return fmt.Errorf("自动登录异常")
	}
	client.Jar = s.succbiJar
	resp, err = client.Get(fmt.Sprintf("%s/succbi/?:user=%s&:password=%s", s.addr, s.user, s.pwd))
	if err != nil {
		return err
	}
	if !(resp.StatusCode == 302 || resp.StatusCode == 200) {
		return fmt.Errorf("自动登录异常")
	}
	return nil
}

// RequestLogin 装配登录状态
func (s *sussBi) RequestLogin(r *ghttp.Request) error {
	if strings.HasPrefix(r.URL.Path, "/succbi") {
		u, e := url.Parse(s.Url.String() + "/succbi")
		if e != nil {
			return e
		}
		//cookies2 := s.succbiJar.Cookies(s.Url)
		//fmt.Println(cookies2)
		if cookies := s.succbiJar.Cookies(u); len(cookies) > 0 {
			r.Request.AddCookie(cookies[0])
		}
	} else {
		if cookies := s.jar.Cookies(s.Url); len(cookies) > 0 {
			r.Request.AddCookie(cookies[0])
		}
	}
	return nil
}

// CheckLoginOut 检测登录状态是否过期
func (s *sussBi) CheckLoginOut(r *ghttp.Request) bool {
	return true
	if r.Response.Status == 401 {
		return true
	}
	return false
}

func (s *sussBi) Filter(r *ghttp.Request) error {
	http.SetCookie(r.Response.ResponseWriter, &http.Cookie{
		Name:     "BITOKEN",
		Path:     "/",
		HttpOnly: false,
		MaxAge:   604800,
		Expires:  time.Now().AddDate(0, 0, 7),
	})
	return nil
}