// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF 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.

package ratelimitutil

import (
	"fmt"
	"time"

	"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
	"github.com/milvus-io/milvus/pkg/util/tsoutil"
)

var QuotaErrorString = map[commonpb.ErrorCode]string{
	commonpb.ErrorCode_ForceDeny:            "access has been disabled by the administrator",
	commonpb.ErrorCode_MemoryQuotaExhausted: "memory quota exceeded, please allocate more resources",
	commonpb.ErrorCode_DiskQuotaExhausted:   "disk quota exceeded, please allocate more resources",
	commonpb.ErrorCode_TimeTickLongDelay:    "time tick long delay",
}

func GetQuotaErrorString(errCode commonpb.ErrorCode) string {
	return QuotaErrorString[errCode]
}

func CheckTimeTickDelay(channel string, minTT uint64, maxDelay time.Duration) error {
	if channel != "" && maxDelay > 0 {
		minTt, _ := tsoutil.ParseTS(minTT)
		delay := time.Since(minTt)
		if delay.Milliseconds() >= maxDelay.Milliseconds() {
			return fmt.Errorf("max timetick lag execced threhold, lag:%s on channel:%s", delay, channel)
		}
	}
	return nil
}