package globals

import (
	"encoding/json"
	"fmt"
	"net/http"
	"strings"
	"time"
)

const (
	PermitEndpoint = "/api/permit"
)

var Proxy *ProxyClient

type ProxyClient struct {
}

func initProxy() {
	Proxy = &ProxyClient{}
}

type ProxyPermitConfig struct {
	Id         int32     `json:"id"`
	Whitelists *[]string `json:"whitelists,omitempty"`
	Username   *string   `json:"username,omitempty"`
	Password   *string   `json:"password,omitempty"`
	Expire     time.Time `json:"expire"`
}

func (p *ProxyClient) Permit(proxy string, config []*ProxyPermitConfig) error {

	str, err := json.Marshal(config)
	if err != nil {
		return err
	}

	body := strings.NewReader(string(str))
	resp, err := http.Post(fmt.Sprintf("%s:8848%s", proxy, PermitEndpoint), "application/json", body)
	if err != nil {
		return err
	}
	defer resp.Body.Close()

	if resp.StatusCode != http.StatusOK {
		return fmt.Errorf("配置端口许可失败: %s", resp.Status)
	}

	return nil
}