package abstractions

import (
	"github.com/Akilan1999/p2p-rendering-computation/client"
	"github.com/Akilan1999/p2p-rendering-computation/client/clientIPTable"
	Config "github.com/Akilan1999/p2p-rendering-computation/config"
	"github.com/Akilan1999/p2p-rendering-computation/config/generate"
	"github.com/Akilan1999/p2p-rendering-computation/p2p"
	"github.com/Akilan1999/p2p-rendering-computation/server"
	"github.com/gin-gonic/gin"
	"os"
)

// Init Initialises p2prc
func Init(customConfig interface{}) (config *Config.Config, err error) {

	// Get config file path
	// Checks P2PRC path initially
	// - Get PATH if environment varaible
	path, err := Config.GetPathP2PRC("P2PRC")
	if err != nil {
		return
	}
	// check if the config file exists
	if _, err = os.Stat(path + "config.json"); err != nil {
		// Initialize with base p2prc config files
		// set the config file with default paths
		config, err = generate.SetDefaults("P2PRC", false, customConfig, false)
		if err != nil {
			return
		}
	} else {
		// If the configs are available then use them over generating new ones.
		config, err = Config.ConfigInit(nil, nil)
		if err != nil {
			return
		}
	}

	return
}

// Start p2prc in a server mode
func Start() (*gin.Engine, error) {
	engine, err := server.Server()
	if err != nil {
		return nil, err
	}
	return engine, nil
}

// MapPort Creates a reverse proxy connection and maps the appropriate port
func MapPort(port string, domainName string, serverAddress string) (response *client.ResponseMAPPort, err error) {
	response, err = client.MAPPort(port, domainName, serverAddress)
	return
}

//// StartContainer Starts docker container on the remote machine
//func StartContainer(IP string) (container *docker.DockerVM, err error) {
//	container, err = client.StartContainer(IP, 0, false, "", "")
//	return
//}
//
//// RemoveContainer Removes docker container based on the IP address and ID
//// provided
//func RemoveContainer(IP string, ID string) error {
//	return client.RemoveContianer(IP, ID)
//}

// GetSpecs Get spec information about the remote server
func GetSpecs(IP string) (specs *server.SysInfo, err error) {
	specs, err = client.GetSpecs(IP)
	return
}

// ViewIPTable View information of nodes in the network
func ViewIPTable() (table *p2p.IpAddresses, err error) {
	table, err = p2p.ReadIpTable()
	return
}

// UpdateIPTable Force updates IP tables based on new
// new nodes discovered in the network
func UpdateIPTable() (err error) {
	return clientIPTable.UpdateIpTableListClient()
}

// AddCustomInformation allows to pass custom information
// through the network to which can be listened on
// all peers in the network to execute a task.
func AddCustomInformation(information string) error {
	return clientIPTable.AddCustomInformationToIPTable(information)
}

// AddRootNode Adds root node to the network by using defaults except for
// ip address and port no. Supports only IPV4 as of now.
func AddRootNode(rootIP string, portNo string) error {
	var rootNode []p2p.IpAddress

	rootNode = append(rootNode, p2p.IpAddress{
		Name:       "",
		Ipv4:       rootIP,
		ServerPort: portNo,
		NAT:        false,
	})
	return generate.GenerateIPTableFile(rootNode)
}