package config

import (
	"os"

	"github.com/rs/zerolog"
	"github.com/spf13/viper"
)

// loadConfigFile reads the config file from given string OR
// from either $WorkDir/config.* or from /etc/go-urlsh/config.*
// Returns map[string]any with the specified config files.
// Panics if it can't read any config file.
func loadConfigFile(filepath string, logger *zerolog.Logger) {
	if filepath == "" {
		path, err := os.Executable()
		if err != nil {
			logger.Fatal().Err(err).Msg("error getting current working dir")
		}
		viper.SetConfigName("config")
		viper.AddConfigPath("/etc/go-urlsh/")
		viper.AddConfigPath(path)
	} else {
		viper.SetConfigFile(filepath)
	}
	err := viper.ReadInConfig()
	if err != nil {
		logger.Fatal().Err(err).Msg("failed to open config file")
	}
}