package globals

import (
	"fmt"
	"log/slog"
	"strings"

	"github.com/spf13/viper"
)

func InitConfig() error {
	viper.SetDefault("db.host", "localhost")
	viper.SetDefault("db.port", 5432)
	viper.SetDefault("db.name", "kontor")
	viper.SetDefault("db.user", "kontor")
	viper.SetDefault("db.password", "kontor")
	viper.SetDefault("port", 8550)
	viper.SetDefault("gin.mode", "release")

	viper.SetConfigName("kontor-gin")
	viper.SetConfigType("yaml")
	viper.AddConfigPath(".")
	viper.AddConfigPath("$HOME/.config")
	viper.AddConfigPath("/etc/kontor")
	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
	viper.AutomaticEnv()

	// Read the config file
	if err := viper.ReadInConfig(); err != nil {
		// Handle the case where config file is not found
		if _, ok := err.(viper.ConfigFileNotFoundError); ok {
			slog.Info("No config file found, using defaults")
			return nil
		}
		return fmt.Errorf("error reading config file: %w", err)
	}

	slog.Info("initConfig", "Using config file: ", viper.ConfigFileUsed())
	return nil
}