OnlineLibrary

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package main
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import (
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	"os"
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	"path/filepath"
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	"time"
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	"OnlineLibrary/internal/config"
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	"OnlineLibrary/internal/gui"
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	"OnlineLibrary/internal/lang"
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	"OnlineLibrary/internal/log"
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	"OnlineLibrary/internal/manager"
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	"OnlineLibrary/internal/waveout"
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)
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func main() {
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	userDataDir := config.UserData()
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	if err := os.MkdirAll(userDataDir, os.ModeDir); err != nil {
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		os.Exit(1)
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	}
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	logger := log.New(os.Stdout, log.Info, "\t")
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	configFile := filepath.Join(userDataDir, config.ConfigFile)
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	logFile := filepath.Join(userDataDir, config.LogFile)
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	if fl, err := os.Create(logFile); err == nil {
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		logger.SetOutput(fl)
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		defer fl.Close()
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	}
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	logger.Info("Starting OnlineLibrary version %v", config.ProgramVersion)
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	conf := config.NewConfig()
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	logger.Info("Loading config file from %v", configFile)
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	if err := conf.Load(configFile); err != nil {
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		logger.Error("Loading config file: %v", err)
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	}
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	if level, err := log.StringToLevel(conf.General.LogLevel); err == nil {
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		logger.SetLevel(level)
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	}
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	langs, langIsAvailable := lang.Init(conf.General.Language)
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	wnd, err := gui.NewMainWindow()
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	if err != nil {
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		logger.Error("Creating main window: %v", err)
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		os.Exit(1)
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	}
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	menuBar := wnd.MenuBar()
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	// Filling in the menu with the available audio output devices
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	menuBar.SetOutputDeviceMenu(waveout.OutputDeviceNames(), conf.General.OutputDevice)
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	// Filling in the menu with the available languages
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	if langIsAvailable {
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		menuBar.SetLanguageMenu(langs, conf.General.Language)
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	} else {
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		menuBar.SetLanguageMenu(langs, "")
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	}
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	// Filling in the menu with the available providers
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	menuBar.SetProvidersMenu(conf.Services, "")
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	// Setting label for the pause timer in the menu
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	menuBar.SetPauseTimerLabel(int(conf.General.PauseTimer.Minutes()))
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	// Filling in the menu with the supported log levels
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	menuBar.SetLogLevelMenu(logger.SupportedLevels(), logger.Level())
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	mng := manager.NewManager(wnd, logger)
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	done := make(chan bool)
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	go mng.Start(conf, done)
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	wnd.Run()
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	logger.Debug("Waiting for the manager to finish")
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	select {
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	case <-done:
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		break
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	case <-time.After(time.Second * 16):
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		logger.Error("Manager termination timeout has expired. Forced program exit")
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		os.Exit(1)
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	}
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	logger.Info("Saving config file to %v", configFile)
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	if err := conf.Save(configFile); err != nil {
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		logger.Error("Saving config file: %v", err)
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	}
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	logger.Info("Exiting")
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}
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