// RAINBOND, Application Management Platform
// Copyright (C) 2014-2017 Goodrain Co., Ltd.

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.

// 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 General Public License for more details.

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

package probe

import (
	"context"

	v1 "github.com/goodrain/rainbond/util/prober/types/v1"
)

//Probe probe
type Probe interface {
	Check()
	Stop()
}

//CreateProbe create probe
func CreateProbe(ctx context.Context, statusChan chan *v1.HealthStatus, v *v1.Service) Probe {
	timeoutSecond := v.ServiceHealth.MaxTimeoutSecond
	if timeoutSecond <= 2 {
		timeoutSecond = 5
	}
	interval := v.ServiceHealth.TimeInterval
	if interval <= 2 {
		interval = 5
	}
	ctx, cancel := context.WithCancel(ctx)
	if v.ServiceHealth.Model == "tcp" {
		t := &TCPProbe{
			Name:          v.ServiceHealth.Name,
			Address:       v.ServiceHealth.Address,
			Ctx:           ctx,
			Cancel:        cancel,
			ResultsChan:   statusChan,
			TimeInterval:  interval,
			MaxErrorsNum:  v.ServiceHealth.MaxErrorsNum,
			TimeoutSecond: timeoutSecond,
		}
		return t
	}
	if v.ServiceHealth.Model == "http" {
		t := &HTTPProbe{
			Name:          v.ServiceHealth.Name,
			Address:       v.ServiceHealth.Address,
			Ctx:           ctx,
			Cancel:        cancel,
			ResultsChan:   statusChan,
			TimeInterval:  v.ServiceHealth.TimeInterval,
			MaxErrorsNum:  v.ServiceHealth.MaxErrorsNum,
			TimeoutSecond: v.ServiceHealth.MaxTimeoutSecond,
		}
		return t
	}
	cancel()
	return nil
}