package ejyapi

import (
	"crypto/md5"
	"fmt"
	"net/http"
	"sort"
	"strings"

	"git.rosy.net.cn/baseapi"
	"git.rosy.net.cn/baseapi/platformapi"
	"git.rosy.net.cn/baseapi/utils"
)

const (
	sigKey  = "sign"
	TestUrl = "https://dev.ejiayou.com"
)

type API struct {
	platformName string
	timeStamp    int64
	beforeKey    string
	afterKey     string
	client       *http.Client
	config       *platformapi.APIConfig
}

func New(platformName string, timeStamp int64, beforeKey, afterKey string, config ...*platformapi.APIConfig) *API {
	curConfig := platformapi.DefAPIConfig
	if len(config) > 0 {
		curConfig = *config[0]
	}
	return &API{
		platformName: platformName,
		timeStamp:    timeStamp,
		beforeKey:    beforeKey,
		afterKey:     afterKey,
		client:       &http.Client{Timeout: curConfig.ClientTimeout},
		config:       &curConfig,
	}
}

func (a *API) signParam(params map[string]interface{}) (sig string) {
	var valueList []string
	for k, v := range params {
		if k != sigKey {
			if str := fmt.Sprint(v); str != "" {
				valueList = append(valueList, fmt.Sprintf("%s=%s", k, str))
			}
		}
	}
	sort.Sort(sort.StringSlice(valueList))
	valueList = append(valueList, fmt.Sprintf("timestamp=%d", a.timeStamp))
	valueList = append(valueList, fmt.Sprintf("beforeKey=%s", a.beforeKey))
	valueList = append(valueList, fmt.Sprintf("afterKey=%s", a.afterKey))
	sig = strings.Join(valueList, "&")
	fmt.Println(sig)
	binSig := md5.Sum([]byte(sig))
	sig = fmt.Sprintf("%X", binSig)
	return sig
}

func (a *API) AccessAPI(action string, url string, bizParams map[string]interface{}) (retVal map[string]interface{}, err error) {

	err = platformapi.AccessPlatformAPIWithRetry(a.client,
		func() *http.Request {
			request, _ := http.NewRequest(http.MethodGet, utils.GenerateGetURL(url, action, nil), nil)
			return request
		},
		a.config,
		func(response *http.Response, bodyStr string, jsonResult1 map[string]interface{}) (errLevel string, err error) {
			if jsonResult1 == nil {
				return platformapi.ErrLevelRecoverableErr, fmt.Errorf("mapData is nil")
			}
			if err == nil {
				if jsonResult1["error_response"] != nil {
					errLevel = platformapi.ErrLevelGeneralFail
					err = utils.NewErrorCode(jsonResult1["error_response"].(map[string]interface{})["zh_desc"].(string), jsonResult1["error_response"].(map[string]interface{})["code"].(string))
					baseapi.SugarLogger.Debugf("jdeclp AccessAPI failed, jsonResult1:%s", utils.Format4Output(jsonResult1, true))
				}
				retVal = jsonResult1
			}
			return errLevel, err
		})
	return retVal, err
}

func (a *API) GetStationList() (err error) {
	params := make(map[string]interface{})
	params["platformName"] = a.platformName
	sign := a.signParam(params)
	_, err = a.AccessAPI("oreo/ejiayou_open_api/stations/v2/"+a.platformName+"/"+sign+"/"+utils.Int64ToStr(a.timeStamp), TestUrl, nil)
	return err
}