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")
	rootCmd.PersistentFlags().StringVar(&dbFile, "db", "gorum.db", "database file")
	rootCmd.PersistentFlags().BoolVar(&debug, "debug", false, "verbose debug output")
	viper.BindPFlag("db", serverCmd.Flags().Lookup("db"))

	rootCmd.AddCommand(serverCmd)
	rootCmd.AddCommand(migrateCmd)
	rootCmd.AddCommand(userCmd)
}

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() {
	if err := rootCmd.Execute(); err != nil {
		fmt.Println(err)
		os.Exit(1)
	}
}