// Copyright 2015 Niels Freier
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//     http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package elastigo

import (
	"encoding/json"
)

func (c *Conn) NodesStats() (NodeStatsResponse, error) {
	var retval NodeStatsResponse

	body, err := c.DoCommand("GET", "/_nodes/stats", nil, nil)
	if err != nil {
		return retval, err
	}
	// marshall into json
	jsonErr := json.Unmarshal(body, &retval)
	if jsonErr != nil {
		return retval, jsonErr
	}
	return retval, err
}