// Copyright 2022 Erigon-Lightclient contributors
// 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 main

import (
	"context"
	"fmt"
	"os"

	"github.com/ledgerwatch/erigon/cl/sentinel"
	"github.com/ledgerwatch/erigon/cl/sentinel/service"
	"github.com/ledgerwatch/erigon/cmd/sentinel/sentinelcli"
	"github.com/ledgerwatch/erigon/cmd/sentinel/sentinelflags"

	"github.com/ledgerwatch/log/v3"
	"github.com/urfave/cli/v2"

	sentinelapp "github.com/ledgerwatch/erigon/turbo/app"
)

func main() {
	app := sentinelapp.MakeApp("sentinel", runSentinelNode, sentinelflags.CliFlags)
	if err := app.Run(os.Args); err != nil {
		_, printErr := fmt.Fprintln(os.Stderr, err)
		if printErr != nil {
			log.Warn("Fprintln error", "err", printErr)
		}
		os.Exit(1)
	}
}

func runSentinelNode(cliCtx *cli.Context) error {
	cfg, err := sentinelcli.SetupSentinelCli(cliCtx)
	if err != nil {
		return err
	}
	log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(cfg.LogLvl), log.StderrHandler))
	log.Info("[Sentinel] running sentinel with configuration", "cfg", cfg)
	_, err = service.StartSentinelService(&sentinel.SentinelConfig{
		IpAddr:         cfg.Addr,
		Port:           int(cfg.Port),
		TCPPort:        cfg.ServerTcpPort,
		GenesisConfig:  cfg.GenesisCfg,
		NetworkConfig:  cfg.NetworkCfg,
		BeaconConfig:   cfg.BeaconCfg,
		NoDiscovery:    cfg.NoDiscovery,
		LocalDiscovery: cfg.LocalDiscovery,
	}, nil, &service.ServerConfig{Network: cfg.ServerProtocol, Addr: cfg.ServerAddr}, nil, nil, log.Root())
	if err != nil {
		log.Error("[Sentinel] Could not start sentinel", "err", err)
		return err
	}
	log.Info("[Sentinel] Sentinel started", "addr", cfg.ServerAddr)

	<-context.Background().Done()
	return nil
}