// Copyright 2019 The Swarm Authors
// This file is part of the Swarm library.
//
// The Swarm library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The Swarm library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the Swarm library. If not, see <http://www.gnu.org/licenses/>.

package newstream

import (
	"flag"
	"io/ioutil"
	"os"

	"github.com/ethereum/go-ethereum/common"
	"github.com/ethereum/go-ethereum/log"
	"github.com/ethereum/go-ethereum/p2p/enode"
	"github.com/ethersphere/swarm/network"
	"github.com/ethersphere/swarm/storage/localstore"
	"github.com/ethersphere/swarm/storage/mock"
)

var (
	loglevel = flag.Int("loglevel", 5, "verbosity of logs")
)

func init() {
	flag.Parse()

	log.PrintOrigins(true)
	log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(*loglevel), log.StreamHandler(os.Stderr, log.TerminalFormat(false))))
}

func newTestLocalStore(id enode.ID, addr *network.BzzAddr, globalStore mock.GlobalStorer) (localStore *localstore.DB, cleanup func(), err error) {
	dir, err := ioutil.TempDir("", "swarm-stream-")
	if err != nil {
		return nil, nil, err
	}
	cleanup = func() {
		os.RemoveAll(dir)
	}

	var mockStore *mock.NodeStore
	if globalStore != nil {
		mockStore = globalStore.NewNodeStore(common.BytesToAddress(id.Bytes()))
	}

	localStore, err = localstore.New(dir, addr.Over(), &localstore.Options{
		MockStore: mockStore,
	})
	if err != nil {
		cleanup()
		return nil, nil, err
	}
	return localStore, cleanup, nil
}