package cli

import (
	"fmt"
	"os"

	"github.com/spf13/viper"
)

// InitConfig initializes viper configuration
func InitConfig(cfgFile string) {
	if cfgFile != "" {
		// Use config file from the flag
		viper.SetConfigFile(cfgFile)
	} else {
		// Find home directory
		home, err := os.UserHomeDir()
		if err != nil {
			fmt.Fprintf(os.Stderr, "Error getting home directory: %v\n", err)
			return
		}

		// Search config in home directory with name ".totalrecall" (without extension)
		viper.AddConfigPath(home)
		viper.AddConfigPath(".")
		viper.SetConfigType("yaml")
		viper.SetConfigName(".totalrecall")
	}

	// Environment variables
	viper.SetEnvPrefix("TOTALRECALL")
	viper.AutomaticEnv()

	// Read config file
	if err := viper.ReadInConfig(); err == nil {
		fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
	}
}