// Copyright (c) 2020 Mercari, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

package spanner

import "google.golang.org/grpc/status"

type ErrorCode int

const (
	ErrorCodeCreateClient = iota + 1
	ErrorCodeCloseClient
	ErrorCodeCreateDatabase
	ErrorCodeDropDatabase
	ErrorCodeTruncateAllTables
	ErrorCodeLoadSchema
	ErrorCodeUpdateDDL
	ErrorCodeUpdateDML
	ErrorCodeUpdatePartitionedDML
	ErrorCodeExecuteMigrations
	ErrorCodeGetMigrationVersion
	ErrorCodeSetMigrationVersion
	ErrorCodeNoMigration
	ErrorCodeMigrationVersionDirty
	ErrorCodeWaitOperation
	ErrorCodeCreateInstance
	ErrorCodeDeleteInstance
)

type Error struct {
	Code ErrorCode
	err  error
}

func (e *Error) Error() string {
	if st, ok := status.FromError(e.err); ok {
		return st.Message()
	}

	return e.err.Error()
}
