package opt

import (
	"fmt"
	"github.com/loveuer/nf/nft/log"
	"github.com/spf13/viper"
	"ultone/internal/tool"
)

type listen struct {
	Http string `mapstructure:"http"`
	Grpc string `mapstructure:"grpc"`
}

type db struct {
	Type string `mapstructure:"-"` // postgres, mysql, sqlite
	Uri  string `mapstructure:"uri"`
}

type cache struct {
	Uri string `mapstructure:"uri"`
}

type es struct {
	Uri   string `mapstructure:"uri"`
	Index struct {
		Staff string `mapstructure:"staff"`
	} `mapstructure:"index"`
}

type Nebula struct {
	Uri      string `mapstructure:"uri"`
	Username string `mapstructure:"username"`
	Password string `mapstructure:"password"`
	Space    string `mapstructure:"space"`
}

type config struct {
	Name   string `mapstructure:"name"`
	Debug  bool   `mapstructure:"-"`
	Listen listen `mapstructure:"listen"`
	DB     db     `mapstructure:"db"`
	Cache  cache  `mapstructure:"cache"`
	ES     es     `mapstructure:"es"`
	Nebula Nebula `mapstructure:"nebula"`
}

var (
	Cfg = &config{}
)

func Init(filename string) error {

	var (
		err error
	)

	log.Info("opt.Init: start reading config file: %s", filename)

	viper.SetConfigFile(filename)
	if err = viper.ReadInConfig(); err != nil {
		return fmt.Errorf("opt.Init: readin config failed, err = %s", err.Error())
	}

	if err = viper.Unmarshal(Cfg); err != nil {
		return fmt.Errorf("opt.Init: unmarshal config failed, err = %s", err.Error())
	}

	tool.TablePrinter(Cfg)

	return nil
}