/*
 * Copyright 2021 PingCAP, 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,
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package util

import (
	"context"

	k8sErr "k8s.io/apimachinery/pkg/api/errors"

	apiErr "github.com/pingcap/mimir/errors"
)

type BaseResp struct {
	apiErr.ErrorInfo
	Data interface{} `json:"data"`
}

// EncodeError consider error other than api error as http.StatusInternalServerError
func EncodeError(ctx context.Context, err error) interface{} {
	// process biz error
	if errInfo, ok := err.(apiErr.ErrorInfo); ok {
		return errInfo
	}
	// process k8s error
	if apiStatus, ok := err.(k8sErr.APIStatus); ok {
		return apiErr.ErrFromK8sStatus(apiStatus.Status())
	}
	return apiErr.ErrInternal(err.Error())
}

// EncodeResp set the data as part of the response payload.
func EncodeResp(ctx context.Context, data interface{}) interface{} {
	resp := BaseResp{}
	resp.Message = "ok"
	resp.Data = struct{}{}
	if data != nil {
		resp.Data = data
	}
	return resp
}