// Copyright 2023 LiveKit, 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,
// 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 utils

import (
	"time"

	"github.com/benbjohnson/clock"
)

type Clock interface {
	Now() time.Time
	Sleep(time.Duration)
}

type SystemClock struct{}

var _ Clock = &SystemClock{}

func (SystemClock) Now() time.Time {
	return time.Now()
}

func (SystemClock) Sleep(d time.Duration) {
	time.Sleep(d)
}

type SimulatedClock struct {
	clock.Mock
}

var _ Clock = &SimulatedClock{}