package oclib

import (
	"go.mongodb.org/mongo-driver/bson/primitive"
)

// AbstractResource is the struct containing all of the attributes commons to all ressources

// Resource is the interface to be implemented by all classes inheriting from Resource to have the same behavior

//http://www.inanzzz.com/index.php/post/wqbs/a-basic-usage-of-int-and-string-enum-types-in-golang

type ResourceType int

const (
	INVALID 	ResourceType = iota
	DATA		
	PROCESSING	
	STORAGE		
	DATACENTER
	WORKFLOW	
)

var extensions = [...]string{
	"INVALID",
	"DATA",
	"PROCESSING",
	"STORAGE",
	"DATACENTER",
	"WORKFLOW",
}


type Resource interface{
	GetType()				ResourceType
	getOneResourceByID()	Resource
	StoreOne()				Resource
}

type AbstractResource struct {
	Uuid             string `json:"uuid" required:"true" bson:"uuid"`
	Name             string `json:"name" required:"true" bson:"name"`
	ShortDescription string `json:"short_description" required:"true" bson:"short_description"`
	Description      string `json:"description,omitempty" bson:"description"`
	Logo             string `json:"logo" required:"true" bson:"logo"`
	Owner            string `json:"owner" required:"true" bson:"owner"`
	OwnerLogo        string `json:"owner_logo" required:"true" bson:"owner_logo"`
	SourceUrl        string `json:"source_url" required:"true" bson:"source_url"`

	Graphic GraphicElement `json:"graphic,omitempty" bson:"protocol"`
}


// func (r *AbstractResource) getOneResourceByID(id string, resType ResourceType){


// 	targetDBCollection := r.GetType().MongoCollection()		// Change the rType by the result of reflect
// 	var retObj interface{}

	

// 	filter := bson.M{"_id": getObjIDFromString(id)}

// 	res := targetDBCollection.FindOne(services.MngoCtx, filter)
// 	res.Decode(retObj)

// 	if res.Err() != nil {
// 		logs.Warn("Couldn't find resource: " + res.Err().Error())
// 	}

// 	return retObj, res.Err()
// }

func getObjIDFromString(id string) interface{} {
	objectID, err := primitive.ObjectIDFromHex(id)
	if err == nil {
		return objectID
	}

	return id
}

func postToMongo(id string) {

}

func (r *AbstractResource) isLinked(){
	// Get the link collection in this workflow
	// test if the current resource is a dest OR a source at least one
	// (len(slice[r.ID == dest]) > 0 || len(slice[r.ID == 1]) > 1 )
}

// func (r *Resource) GetType() ResourceType {
// 	return INVALID
// }