package db

import (
	"errors"

	"go_dreamfactory/lego/utils/mapstructure"
)

type Option func(*Options)
type Options struct {
	MongodbUrl      string
	MongodbDatabase string
}

func Set_MongodbUrl(v string) Option {
	return func(o *Options) {
		o.MongodbUrl = v
	}
}

func Set_MongodbDatabase(v string) Option {
	return func(o *Options) {
		o.MongodbDatabase = v
	}
}

func newOptions(config map[string]interface{}, opts ...Option) (Options, error) {
	options := Options{}
	if config != nil {
		mapstructure.Decode(config, &options)
	}
	for _, o := range opts {
		o(&options)
	}
	if len(options.MongodbUrl) == 0 || len(options.MongodbDatabase) == 0 {
		return options, errors.New("MongodbUrl or MongodbDatabase is null")
	}
	return options, nil
}

func newOptionsByOption(opts ...Option) (Options, error) {
	options := Options{}
	for _, o := range opts {
		o(&options)
	}
	if len(options.MongodbUrl) == 0 || len(options.MongodbDatabase) == 0 {
		return options, errors.New("MongodbUrl or MongodbDatabase is null")
	}
	return options, nil
}