cmd

var Command = &cobra.Command{
	Use:          "rong",
	Short:        "A material you color generator from image or video.",
	SilenceUsage: true,
	PersistentPostRun: func(_ *cobra.Command, _ []string) {
		slog.Info("Exiting rong")
		if logfile != nil {
			logfile.Close()
		}
	},
	PersistentPreRunE: func(cmd *cobra.Command, _ []string) error {
		if cmd.Name() == "_carapace" {
			return nil
		}

		level := slog.LevelInfo

		if verbose, err := cmd.Flags().GetCount("verbose"); err == nil {
			if verbose == 0 {
				level = slog.LevelError
			} else if verbose == 1 {
				level = slog.LevelWarn
			} else if verbose == 2 {
				level = slog.LevelInfo
			} else if verbose >= 3 {
				level = slog.Level(math.MinInt)
			}
		}

		quiet := should(cmd.Flags().GetBool("quiet"))
		if quiet {
			level = slog.Level(math.MaxInt)
		}

		stderrHandler := log.NewWithOptions(os.Stderr, log.Options{
			ReportTimestamp: false, Level: log.Level(level),
		})

		if cmd.Flags().Changed("log-file") {
			logFilePath := should(cmd.Flags().GetString("log-file"))

			if err := os.MkdirAll(
				filepath.Dir(logFilePath),
				0o755,
			); err != nil {
				slog.Error(
					"Failed to create parent directory for log file",
					"error",
					err,
				)
			}

			file, err := os.OpenFile(
				logFilePath,
				os.O_CREATE|os.O_APPEND|os.O_WRONLY,
				0o666,
			)
			if err != nil {
				logger := slog.New(stderrHandler)
				slog.SetDefault(logger)
				viper.SetOptions(viper.WithLogger(logger))
				slog.Error("Failed to open log-file", "error", err)
			} else {
				fileHanlder := slog.NewJSONHandler(file, &slog.HandlerOptions{
					AddSource: true,

					Level: slog.LevelDebug,
				})

				handler := slogmulti.Fanout(stderrHandler, fileHanlder)
				logger := slog.New(handler)
				slog.SetDefault(logger)
				viper.SetOptions(viper.WithLogger(logger))
				logfile = file
			}
		} else {
			logger := slog.New(stderrHandler)
			slog.SetDefault(logger)
			viper.SetOptions(viper.WithLogger(logger))
		}

		viper.AddConfigPath("/etc/rong")
		viper.AddConfigPath(pathutil.ConfigDir)
		viper.SetConfigType("yaml")
		viper.SetConfigName("config")

		viper.SetEnvPrefix("rong")

		viper.SetDefault("dark", true)
		viper.SetDefault("variant", dynamic.VariantTonalSpot)
		viper.SetDefault("platform", dynamic.PlatformPhone)

		cfgFlag := cmd.Flags().Lookup("config")
		if cfgFlag != nil && cfgFlag.Changed {
			viper.SetConfigFile(cfgFlag.Value.String())
		}

		return viper.ReadInConfig()
	},
}