// VulcanizeDB
// Copyright © 2020 Vulcanize

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program 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 Affero General Public License for more details.

// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package tx_spammer

import (
	"sync"

	"github.com/sirupsen/logrus"
)

type Service interface {
	Loop(wg *sync.WaitGroup, quitChan <-chan bool)
}

type Spammer struct {
	Sender *TxSender
}

func NewTxSpammer(params []TxParams) Service {
	return &Spammer{
		Sender: NewTxSender(params),
	}
}

func (s *Spammer) Loop(wg *sync.WaitGroup, quitChan <-chan bool) {
	forwardQuit := make(chan bool)
	doneChan, errChan := s.Sender.Send(forwardQuit)
	wg.Add(1)
	go func() {
		defer wg.Done()
		for {
			select {
			case err := <-errChan:
				logrus.Error(err)
			case forwardQuit <- <-quitChan:
				return
			case <-doneChan:
				return
			}
		}
	}()
}