//  Copyright (c) 2014 Couchbase, Inc.
//  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 search

import (
	"encoding/json"
	"fmt"
)

type Explanation struct {
	Value    float64        `json:"value"`
	Message  string         `json:"message"`
	Children []*Explanation `json:"children,omitempty"`
}

func (expl *Explanation) String() string {
	js, err := json.MarshalIndent(expl, "", "  ")
	if err != nil {
		return fmt.Sprintf("error serializing explation to json: %v", err)
	}
	return string(js)
}