1 files changed, 52 insertions, 0 deletions
diff --git a/app/cmd/root.go b/app/cmd/root.go
new file mode 100644
index 0000000..33c3642
--- /dev/null
+++ b/app/cmd/root.go
@@ -0,0 +1,52 @@
+package cmd
+
+import (
+	"fmt"
+	"log/slog"
+	"os"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var (
+	cfgFile string
+	dbFile  string
+	debug   bool
+	rootCmd = &cobra.Command{Use: "gorum"}
+)
+
+func init() {
+	cobra.OnInitialize(initLogger)
+	cobra.OnInitialize(initConfig)
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "gorum.yaml", "config file (default is 'gorum.yaml')")
+	rootCmd.PersistentFlags().StringVar(&dbFile, "db", "gorum.db", "database file (default is 'gorum.db')")
+	rootCmd.PersistentFlags().BoolVar(&debug, "debug", false, "verbose debug output")
+	viper.BindPFlag("db", serverCmd.Flags().Lookup("db"))
+}
+
+func initLogger() {
+	level := slog.LevelInfo
+	if debug {
+		level = slog.LevelDebug
+	}
+	logger := slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{Level: level})
+	slog.SetDefault(slog.New(logger))
+}
+
+func initConfig() {
+	viper.SetConfigFile(cfgFile)
+
+	if err := viper.ReadInConfig(); err != nil {
+		slog.Warn("can't read config", slog.Any("error", err))
+	}
+}
+
+func Execute() {
+	rootCmd.AddCommand(serverCmd)
+
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}