package site

import (
	"encoding/json"
	"errors"
	"io/ioutil"
	"net/http"
	"strings"

	"git.tetele.net/tgo/helper"
)

/**
 * 从总站获取数据库信息
 * master 总站域名，带协议
 * host 分站域名，带协议
 * 2020/06/05
 * gz
 */

/**
 * 从总站获取分站数据库及ID信息
 * 2020/06/06
 * gz
 */
func GetSiteFromMaster(master, host string) (map[string]string, error) {

	url := helper.StringJoin(master, "/api/gethostdb")

	var site map[string]string = make(map[string]string)

	resp, err := http.Post(url, "application/x-www-form-urlencoded", strings.NewReader("host="+host))
	if err != nil {
		return site, errors.New("获取站点数据失败," + err.Error())
	}

	defer resp.Body.Close()
	body, err := ioutil.ReadAll(resp.Body)

	if err != nil {
		return site, errors.New("获取站点数据失败," + err.Error())
	}

	type D struct {
		Database interface{} `json:"database"`
		SiteId   interface{} `json:"site_id"`
	}

	type Reply struct {
		Code interface{} `json:"code"`
		Data D           `json:"data"`
		Msg  string      `json:"msg"`
	}

	var data Reply
	err = json.Unmarshal(body, &data)
	if err != nil {
		return site, errors.New("站点数据格式错误," + err.Error())
	}

	if helper.ToStr(data.Code) != "1" {
		return site, errors.New(data.Msg)
	}

	if data.Data.Database != "" {
		site["database"] = helper.ToStr(data.Data.Database)
	}
	if data.Data.SiteId != "" {
		site["site_id"] = helper.ToStr(data.Data.SiteId)
	}

	return site, nil
}