// Copyright 2023 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 logpuller

import (
	"fmt"

	"github.com/pingcap/errors"
	"github.com/pingcap/kvproto/pkg/cdcpb"
	"github.com/tikv/client-go/v2/tikv"
)

var errUnreachable = errors.New("kv client unreachable error")

type eventError struct {
	err *cdcpb.Error
}

// Error implement error interface.
func (e *eventError) Error() string {
	return e.err.String()
}

type rpcCtxUnavailableErr struct {
	verID tikv.RegionVerID
}

func (e *rpcCtxUnavailableErr) Error() string {
	return fmt.Sprintf("cannot get rpcCtx for region %v. ver:%v, confver:%v",
		e.verID.GetID(), e.verID.GetVer(), e.verID.GetConfVer())
}

type getStoreErr struct{}

func (e *getStoreErr) Error() string { return "get store error" }

type sendRequestToStoreErr struct{}

func (e *sendRequestToStoreErr) Error() string { return "send request to store error" }

type requestCancelledErr struct{}

func (e *requestCancelledErr) Error() string { return "region request is cancelled" }