// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you 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.

// Code generated from the elasticsearch-specification DO NOT EDIT.
// https://github.com/elastic/elasticsearch-specification/tree/07bf82537a186562d8699685e3704ea338b268ef

package getbuiltinprivileges

import (
	"bytes"
	"encoding/json"
	"errors"
	"fmt"
	"io"
)

// Response holds the response body struct for the package getbuiltinprivileges
//
// https://github.com/elastic/elasticsearch-specification/blob/07bf82537a186562d8699685e3704ea338b268ef/specification/security/get_builtin_privileges/SecurityGetBuiltinPrivilegesResponse.ts#L22-L24
type Response struct {
	Cluster []string `json:"cluster"`
	Index   []string `json:"index"`
}

// NewResponse returns a Response
func NewResponse() *Response {
	r := &Response{}
	return r
}

func (s *Response) UnmarshalJSON(data []byte) error {
	dec := json.NewDecoder(bytes.NewReader(data))

	for {
		t, err := dec.Token()
		if err != nil {
			if errors.Is(err, io.EOF) {
				break
			}
			return err
		}

		switch t {

		case "cluster":
			if err := dec.Decode(&s.Cluster); err != nil {
				return fmt.Errorf("%s | %w", "Cluster", err)
			}

		case "index":
			rawMsg := json.RawMessage{}
			dec.Decode(&rawMsg)
			if !bytes.HasPrefix(rawMsg, []byte("[")) {
				o := new(string)
				if err := json.NewDecoder(bytes.NewReader(rawMsg)).Decode(&o); err != nil {
					return fmt.Errorf("%s | %w", "Index", err)
				}

				s.Index = append(s.Index, *o)
			} else {
				if err := json.NewDecoder(bytes.NewReader(rawMsg)).Decode(&s.Index); err != nil {
					return fmt.Errorf("%s | %w", "Index", err)
				}
			}

		}
	}
	return nil
}
