package tcpprox

import "imuslab.com/zoraxy/mod/database"

/*
	TCP Proxy

	Forward port from one port to another
	Also accept active connection and passive
	connection
*/

const (
	ProxyMode_Listen    = 0
	ProxyMode_Transport = 1
	ProxyMode_Starter   = 2
)

type ProxyRelayConfig struct {
	UUID     string    //A UUIDv4 representing this config
	Name     string    //Name of the config
	Running  bool      //If the service is running
	PortA    int       //Ports A (config depends on mode)
	PortB    int       //Ports B (config depends on mode)
	Mode     int       //Operation Mode
	Timeout  int       //Timeout for connection
	StopChan chan bool //Stop channel to stop the listener
}

type Options struct {
	Database *database.Database
}

type Manager struct {
	//Config and stores
	Options *Options
	Configs []*ProxyRelayConfig

	//Realtime Statistics
	Connections               int   //currently connected connect counts
	AccumulatedByteTransfered int64 //The total number of bytes transfered
}

func NewTCProxy(options *Options) *Manager {
	options.Database.NewTable("tcprox")

	previousRules := []*ProxyRelayConfig{}
	if options.Database.KeyExists("tcprox", "rules") {
		options.Database.Read("tcprox", "rules", &previousRules)
	}

	return &Manager{
		Options:     options,
		Configs:     previousRules,
		Connections: 0,
	}
}

func (m *Manager) NewConfig(config *ProxyRelayConfig) error {
	return nil
}

func (m *Manager) RemoveConfig(configUUID string) error {
	return nil
}

func (m *Manager) SaveConfigToDatabase() {
	m.Options.Database.Write("tcprox", "rules", m.Configs)
}