package client
 
 import (
 	"encoding/json"
 	"fmt"
 	"net/http"
 	"net/url"
 
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/api/types/filters"
 	"github.com/docker/docker/api/types/registry"
 	"golang.org/x/net/context"
 )
 
 // ImageSearch makes the docker host to search by a term in a remote registry.
 // The list of results is not sorted in any fashion.
 func (cli *Client) ImageSearch(ctx context.Context, term string, options types.ImageSearchOptions) ([]registry.SearchResult, error) {
 	var results []registry.SearchResult
 	query := url.Values{}
 	query.Set("term", term)
 	query.Set("limit", fmt.Sprintf("%d", options.Limit))
 
 	if options.Filters.Len() > 0 {
 		filterJSON, err := filters.ToParam(options.Filters)
 		if err != nil {
 			return results, err
 		}
 		query.Set("filters", filterJSON)
 	}
 
 	resp, err := cli.tryImageSearch(ctx, query, options.RegistryAuth)
 	if resp.statusCode == http.StatusUnauthorized && options.PrivilegeFunc != nil {
 		newAuthHeader, privilegeErr := options.PrivilegeFunc()
 		if privilegeErr != nil {
 			return results, privilegeErr
 		}
 		resp, err = cli.tryImageSearch(ctx, query, newAuthHeader)
 	}
 	if err != nil {
 		return results, err
 	}
 
 	err = json.NewDecoder(resp.body).Decode(&results)
 	ensureReaderClosed(resp)
 	return results, err
 }
 
 func (cli *Client) tryImageSearch(ctx context.Context, query url.Values, registryAuth string) (serverResponse, error) {
 	headers := map[string][]string{"X-Registry-Auth": {registryAuth}}
 	return cli.get(ctx, "/images/search", query, headers)
 }