// 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 routing

import (
	"runtime"
	"time"

	"github.com/livekit/protocol/livekit"
	"github.com/livekit/protocol/utils"

	"github.com/livekit/livekit-server/pkg/config"
)

type LocalNode *livekit.Node

func NewLocalNode(conf *config.Config) (LocalNode, error) {
	nodeID, err := utils.LocalNodeID()
	if err != nil {
		return nil, err
	}
	if conf.RTC.NodeIP == "" {
		return nil, ErrIPNotSet
	}
	node := &livekit.Node{
		Id:      nodeID,
		Ip:      conf.RTC.NodeIP,
		NumCpus: uint32(runtime.NumCPU()),
		Region:  conf.Region,
		State:   livekit.NodeState_SERVING,
		Stats: &livekit.NodeStats{
			StartedAt: time.Now().Unix(),
			UpdatedAt: time.Now().Unix(),
		},
	}

	return node, nil
}