package main

import (
	"path"
	"fmt"
	"os"
	"git.swzry.com/NSMCServerLauncher/Logger"
	"git.swzry.com/NSMCServerLauncher/Utils"
	"git.swzry.com/NSMCServerLauncher/SSHServer"
	"git.swzry.com/NSMCServerLauncher/Commands"
)

var CurrentPath string
var MainThreadBlockChan chan byte

func main(){
	cp,err := Utils.GetCurrentDirectory()
	if(err != nil){
		fmt.Println("[StdOutLog][Fatal Error] Failed Get PWD: ",err)
		return
	}
	CurrentPath = cp
	if r,err := Utils.PathExists(path.Join(CurrentPath,"sysfiles")); ((!r) || (err != nil)) {
		fmt.Println("[StdOutLog][Fatal Error] System File Dir './sysfiles/' Not Exist! ")
		return
	}
	isinit := false
	if r,err := Utils.PathExists(path.Join(CurrentPath,"data")); ((!r) || (err != nil)) {
		fmt.Println("[StdOutLog][WARNING] Dir './data/' Not Exist! Will Create One.")
		isinit = true
		if err := os.MkdirAll(path.Join(CurrentPath,"data"),0777);err != nil {
			fmt.Println("[StdOutLog][Fatal Error] Failed Create Dir './data/' : ",err)
			return
		}
	}
	if r,err := Utils.PathExists(path.Join(CurrentPath,"data","conf")); ((!r) || (err != nil)) {
		fmt.Println("[StdOutLog][WARNING] Config Dir './data/conf/' Not Exist! Will Create One.")
		isinit = true
		if err := os.MkdirAll(path.Join(CurrentPath,"data","conf"),0777);err != nil {
			fmt.Println("[StdOutLog][Fatal Error] Failed Create Dir './data/conf/' : ",err)
			return
		}
	}
	if r,err := Utils.PathExists(path.Join(CurrentPath,"data","conf", "logger.conf")); ((!r) || (err != nil)) {
		fmt.Println("[StdOutLog][WARNING] Config File './data/conf/logger.conf' Not Exist! Will Create A Template Config File..")
		isinit = true
		if _,err := Utils.CopyFile(path.Join(CurrentPath,"data","conf", "logger.conf"),path.Join(CurrentPath,"sysfiles","conftpl", "logger.conf"));err != nil {
			fmt.Println("[StdOutLog][Fatal Error] Failed Copy Template Config File './data/conf/logger.conf' : ",err)
			return
		}
	}
	if r,err := Utils.PathExists(path.Join(CurrentPath,"data","conf", "sshd.conf")); ((!r) || (err != nil)) {
		fmt.Println("[StdOutLog][WARNING] Config File './data/conf/sshd.conf' Not Exist! Will Create A Template Config File..")
		isinit = true
		if _,err := Utils.CopyFile(path.Join(CurrentPath,"data","conf", "sshd.conf"),path.Join(CurrentPath,"sysfiles","conftpl", "sshd.conf"));err != nil {
			fmt.Println("[StdOutLog][Fatal Error] Failed Copy Template Config File './data/conf/sshd.conf' : ",err)
			return
		}
	}
	// TODO: Other Config File Process Code Here
	if(isinit){
		fmt.Println("[StdOutLog][WARNING] At this time, we had created template config files for you, you should edit them and restart this server..")
		fmt.Println("[StdOutLog][INFO] Server Exit.")
		return
	}
	if Logger.LoadLoggerConfig(path.Join(CurrentPath,"data","conf", "logger.conf")) != nil{
		return
	}
	if Logger.InitLogger() != nil {
		return
	}
	fmt.Fprintln(&Logger.Log.SysInfo,"NSMC Server Launcher System Start.")
	if err := Utils.MkDirIfNotExist(path.Join(CurrentPath,"data","keys")); err != nil {
		fmt.Println("[StdOutLog][Fatal Error] Failed Create Dir '",path.Join(CurrentPath,"data","keys"),"' : ",err)
		return
	}
	if SSHServer.LoadSSHConfig(path.Join(CurrentPath,"data","conf", "sshd.conf")) != nil{
		return
	}
	fmt.Fprintln(&Logger.Log.SysInfo,"Regist Commands....")
	Commands.RegistAllCommands()
	fmt.Fprintln(&Logger.Log.SysInfo,"Start SSH Server...")
	go SSHServer.StartSSHServer(MainThreadBlockChan)
	<-MainThreadBlockChan
}