package main

import (
	"fmt"
	"log"
	"os"
)

const DEBUG = true

var mainLogger *log.Logger
var pythonLogger *log.Logger
var logFile *os.File

func main() {
	err := setup()
	defer teardown()
	if err != nil {
		panic(err)
	}
	quitSnapshot := make(chan int, 1)
	go saveSnapshotOnInterval(1, quitSnapshot)
	startServer()
}

func setup() error {
	err := InitDb()
	if err != nil {
		return err
	}
	logFile, err = os.OpenFile("./server-log", os.O_RDWR | os.O_CREATE | os.O_APPEND, 0666)
	if err != nil {
		fmt.Println("Logger failed to initialise, this session will not be logged: ", err.Error())
		mainLogger = log.New(os.Stdout, "Main: ", 0)
		pythonLogger = log.New(os.Stdout, "Python Process: ", 0)
		return nil
	}
	mainLogger = log.New(logFile, "Main: ", log.Ldate | log.Ltime | log.Lshortfile)
	pythonLogger = log.New(logFile, "Python Process: ", log.Ldate | log.Ltime | log.Lshortfile)
	mainLogger.Printf("Session started")
	return nil
}

func teardown() {
	CloseDb()
	err := logFile.Close()
	if err != nil {
		panic(err)
	}
}