package local

import (
	"encoding/json"
	"fmt"
	loginv1 "gitee.com/websample/webserver/pkg/apis/login/v1"
	userv1 "gitee.com/websample/webserver/pkg/apis/user/v1"
	"gitee.com/websample/webserver/pkg/filestorage"
	"k8s.io/klog"
	"regexp"
	"strings"
)

type Local struct {
}

const (
	logintype = "login"
	usertype  = "user"
)

func NewLocal() Local {
	return Local{}
}
func (l Local) GetLoginsByName(username string) (*loginv1.LoginList, error) {
	var result loginv1.LoginList
	var err error
	data := filestorage.GetCach(logintype)
	for _, v := range data {
		var tmp loginv1.Login
		err = json.Unmarshal([]byte(v), &tmp)
		if err != nil {
			klog.Warning("data can not unmarshal")
		}
		if tmp.Spec.User.Spec.Name != username {
			continue
		}
		result.Items = append(result.Items, tmp)
	}
	return &result, err
}
func (l Local) RegestUser(login loginv1.Login) (*loginv1.Login, error) {
	var result loginv1.Login
	var err error
	result.Spec.Action = loginv1.Register
	dataList := filestorage.GetCach(usertype)
	for _, v := range dataList {
		var tmp userv1.User
		err = json.Unmarshal([]byte(v), &tmp)
		if err != nil {
			klog.Warning("data can not unmarshal")
		}
		if tmp.Spec.Name == login.Spec.User.Spec.Name {
			result.Spec.Success = false
			result.Spec.Reason = "Duplicate user name"
			return &result, fmt.Errorf("Duplicate user name")
		}
		if tmp.Spec.Email == login.Spec.User.Spec.Email {
			result.Spec.Success = false
			result.Spec.Reason = "Email has been used"
			return &result, fmt.Errorf("Email has been used")
		}
		if tmp.Spec.PhoneNumber == login.Spec.User.Spec.PhoneNumber {
			result.Spec.Success = false
			result.Spec.Reason = "PhoneNumber has been used"
			return &result, fmt.Errorf("PhoneNumber has been used")
		}
		if !strings.Contains(login.Spec.User.Spec.Email, "@") {
			result.Spec.Success = false
			result.Spec.Reason = "Email format error"
			return &result, fmt.Errorf("Email format error")
		}
		pattern := "\\d+" //反斜杠要转义
		if ok, _ := regexp.MatchString(pattern, tmp.Spec.PhoneNumber); !ok {
			result.Spec.Success = false
			result.Spec.Reason = "Wrong phone number format"
			return &result, fmt.Errorf("Wrong phone number format")
		}
	}

	login.Spec.Action = loginv1.Register
	login.Spec.Success = true
	datastring, _ := json.Marshal(login)
	var data filestorage.Filestorage
	data.TypeName = "login"
	data.Data = datastring
	filestorage.InserData(data)
	data.TypeName = "user"
	datastring, _ = json.Marshal(login.Spec.User)
	data.Data = datastring
	filestorage.InserData(data)
	return &result, err
}

func (l Local) ListLogins() (*loginv1.LoginList, error) {
	var result loginv1.LoginList
	var err error
	data := filestorage.GetCach(logintype)
	for _, v := range data {
		var tmp loginv1.Login
		err = json.Unmarshal([]byte(v), &tmp)
		if err != nil {
			klog.Warning("data can not unmarshal")
		}
		result.Items = append(result.Items, tmp)
	}
	return &result, err
}
func (l Local) LoginUser(login loginv1.Login) (*loginv1.Login, error) {
	var err error
	login.Spec.Action = loginv1.LoginIn
	dataList := filestorage.GetCach(usertype)
	for _, v := range dataList {
		var tmp userv1.User
		err = json.Unmarshal([]byte(v), &tmp)
		if err != nil {
			klog.Warning("data can not unmarshal")
		}
		if tmp.Spec.Name == login.Spec.User.Spec.Name  {
			if tmp.Spec.EncryptedPassword == login.Spec.User.Spec.EncryptedPassword {
				login.Spec.Success = true
				datastring, _ := json.Marshal(login)
				var data filestorage.Filestorage
				data.TypeName = "login"
				data.Data = datastring
				filestorage.InserData(data)
				return &login, nil
			} else {
				login.Spec.Success = false
				login.Spec.Reason = "Password is wrong"
				datastring, _ := json.Marshal(login)
				var data filestorage.Filestorage
				data.TypeName = "login"
				data.Data = datastring
				filestorage.InserData(data)
				return &login, fmt.Errorf("Password is wrong")
			}
		}
	}
	login.Spec.Success = false
	login.Spec.Reason = "User does not exits"
	datastring, _ := json.Marshal(login)
	var data filestorage.Filestorage
	data.TypeName = "login"
	data.Data = datastring
	filestorage.InserData(data)
	return &login, fmt.Errorf("User does not exits")
}
func (l Local) LogoutUser(user loginv1.Login) (*loginv1.Login, error) {
	return nil, nil
}