package core

import (
	"fmt"
	"github.com/fsnotify/fsnotify"
	"github.com/spf13/viper"
	"qnc-server/config"
)

func Viper() {
	v := viper.New()
	v.SetConfigName("config")
	v.SetConfigType("yaml")
	v.AddConfigPath(".")

	if err := v.ReadInConfig(); err != nil {
		panic(fmt.Errorf("fatal error config file: %w", err))
	}
	v.WatchConfig()
	v.OnConfigChange(func(e fsnotify.Event) {
		if err := v.Unmarshal(&config.ConfigData); err != nil {
			fmt.Println(err)
		}
	})
	if err := v.Unmarshal(&config.ConfigData); err != nil {
		panic(fmt.Errorf("unable to decode into struct: %w", err))
	}
}