package config

import (
	"git.asperti.com/paspo/mail-autoconfig/internal/myerrors"
	"github.com/gookit/validate"
	"github.com/spf13/viper"
)

type Config struct {
	HttpPort int    `mapstructure:"PORT" validate:"required|int|min:1|max:65535"`
	DBPath   string `mapstructure:"DB_PATH" validate:"required"`
}

var AppConfig Config

func InitConfig() error {
	var err error
	viper.SetConfigType("env")
	viper.AllowEmptyEnv(true)
	viper.AutomaticEnv()

	viper.SetDefault("PORT", 9000)
	viper.SetDefault("DB_PATH", "./database.sqlite")

	err = viper.Unmarshal(&AppConfig)
	if err != nil {
		return myerrors.ErrConfigParse
	}

	validation := validate.Struct(AppConfig)
	if !validation.Validate() {
		return myerrors.ErrConfigValidation
	}
	return nil
}