package config

import (
	"errors"
	"fmt"
	"github.com/spf13/viper"
	"go.uber.org/zap"
)

var (
	ConfigFilePaths = []string{
		"/etc/lumeweb/portal/",
		"$HOME/.lumeweb/portal/",
		".",
	}
)

func Init(logger *zap.Logger) {
	viper.SetConfigName("config")
	viper.SetConfigType("yaml")

	for _, path := range ConfigFilePaths {
		viper.AddConfigPath(path)
	}

	viper.SetEnvPrefix("LUME_WEB_PORTAL")
	viper.AutomaticEnv()

	err := viper.ReadInConfig()
	if err != nil {
		if errors.As(err, &viper.ConfigFileNotFoundError{}) {
			// Config file not found, this is not an error.
			fmt.Println("Config file not found, using default settings.")
		} else {
			logger.Fatal("Fatal error config file", zap.Error(err))
		}
	}
}