package helpers

import (
	"reflect"

	"gorm.io/gorm"
)

type Factory struct {
	dbConn *gorm.DB
}

func NewFactory(dbConn *gorm.DB) *Factory {
	return &Factory{
		dbConn: dbConn,
	}
}

func (f *Factory) CreateModel(model interface{}) {
	if f.dbConn == nil {
		panic("Factory created without db connection. Unable to create model.")
	}
	f.dbConn.Create(model)
}

func MergeValuesToModel(model interface{}, values map[string]any) {
	st := reflect.ValueOf(model).Elem()

	for key, value := range values {
		field := st.FieldByName(key)
		var v reflect.Value
		if value != nil {
			v = reflect.ValueOf(value)
		} else {
			v = reflect.Zero(field.Type())
		}
		field.Set(v)
	}
}