// Copyright 2023 Northern.tech AS
//
//    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 model

import (
	"encoding/json"
	"errors"
)

type ConflictError struct {
	Err       error       `json:"error"`
	Metadata  interface{} `json:"metadata,omitempty"`
	RequestID string      `json:"request_id,omitempty"`
}

var _ error = &ConflictError{}

func NewConflictError(err error) *ConflictError {
	return &ConflictError{
		Err: jsonErrorWrapper{err},
	}
}

func (ce *ConflictError) Error() string {
	return ce.Err.Error()
}

func (ce *ConflictError) WithMetadata(metadata interface{}) *ConflictError {
	ce.Metadata = metadata
	return ce
}

func (ce *ConflictError) WithRequestID(requestID string) *ConflictError {
	ce.RequestID = requestID
	return ce
}

// jsonErrorWrapper ensures that the error is marshaled to a string with the
// error message.
type jsonErrorWrapper struct {
	error
}

func (err jsonErrorWrapper) MarshalJSON() ([]byte, error) {
	return json.Marshal(err.Error())
}

func (err jsonErrorWrapper) Unwrap() error {
	return errors.Unwrap(err.error)
}
