package main

import (
	"fmt"
	"log"
	"bufio"
	"os"
	"time"

	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api"
)


var (
	appSettings Settings
	dBConnector Connection
	myBotClient tgbotapi.BotAPI

	LogInfo  *log.Logger
	LogWarn  *log.Logger
	LogError *log.Logger
	LogDebug *log.Logger
)

func main() {
	appSettings.LoadFromFile("config.json")

	LoggersInit()
	LogInfo.Println("App started")

	botClient, err := tgbotapi.NewBotAPI(appSettings.Token)
	if err != nil {
		LogError.Panic(err)
	}
	myBotClient = *botClient
	var me = botClient.Self
	LogInfo.Printf("Hello, World! I am user %d and my name is %s.\n", me.ID, me.FirstName)

	if len(os.Args[1:]) >= 2 {
		appSettings.DbUser = os.Args[1]
		appSettings.DbPassword = os.Args[2]
	} else {
		fmt.Print("DataBase Username:")
		_, err := fmt.Scanln(&appSettings.DbUser)
		if err != nil {
			LogError.Panic(os.Stderr, err)
			return
		}
		fmt.Print("DataBase Password:")
		_, err = fmt.Scanln(&appSettings.DbPassword)
		if err != nil {
			LogError.Panic(os.Stderr, err)
			return
		}
	}

	dBConnector.Init()

	go Updater()
	go Listener(botClient)

	fmt.Println("Press Enter to exit")
	reader := bufio.NewReader(os.Stdin)
	reader.ReadString('\n')
}



// Listens for comming messages.
func Listener(botClient *tgbotapi.BotAPI) {
	u := tgbotapi.NewUpdate(0)
	u.Timeout = 60

	updates, _ := botClient.GetUpdatesChan(u)

	for update := range updates {
		// Ignore any non-Message Updates
		if update.Message == nil {
			continue
		}

		go HandleMessage(update.Message, botClient)
	}
}

// Starts DataUpdater goroutine every 4 minutes
func Updater() {
	LogInfo.Println("Scheduler started!")
	for {
		go dBConnector.UpdateData()
		time.Sleep(4 * time.Minute)
	}
}