package utils

import (
	"encoding/json"

	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
	"cloud.o-forge.io/core/oc-lib/logs"
	"github.com/go-playground/validator/v10"
	"github.com/google/uuid"
	"github.com/rs/zerolog"
)

var validate = validator.New(validator.WithRequiredStructEnabled())

type AbstractObject struct {
	UUID string `json:"id" required:"true" bson:"_id" validate:"required"`
	Name string `json:"name" required:"true" bson:"name" validate:"required"`
}

func (ao *AbstractObject) GetID() string {
	return ao.UUID
}

func (dma *AbstractObject) ObjDeserialize(j map[string]interface{}) *AbstractObject {
	b, err := json.Marshal(j)
	if err != nil {
		return nil
	}
	json.Unmarshal(b, dma)
	return dma
}

func (dma *AbstractObject) ObjSerialize() map[string]interface{} {
	var m map[string]interface{}
	b, err := json.Marshal(dma)
	if err != nil {
		return nil
	}
	json.Unmarshal(b, dma)
	return m
}

func (r *AbstractObject) GenerateID() {
	r.UUID = uuid.New().String()
}

type AbstractAccessor struct {
	Logger zerolog.Logger
	Type   string
}

func (dma *AbstractAccessor) GetType() string {
	return dma.Type
}

func (dma *AbstractAccessor) SetLogger(t DataType) {
	dma.Logger = logs.CreateLogger(t.String(), "")
	dma.Type = t.String()
}

func (wfa *AbstractAccessor) GenericStoreOne(data DBObject, accessor Accessor) (DBObject, int, error) {
	data.GenerateID()
	err := validate.Struct(data)
	if err != nil {
		return nil, 422, err
	}
	id, code, err := mongo.MONGOService.StoreOne(data, wfa.GetType())
	if err != nil {
		wfa.Logger.Error().Msg("Could not store " + data.GetName() + " to db. Error: " + err.Error())
		return nil, code, err
	}
	return accessor.LoadOne(id)
}

func (dma *AbstractAccessor) GenericDeleteOne(id string, accessor Accessor) (DBObject, int, error) {
	res, code, err := accessor.LoadOne(id)
	if err != nil {
		dma.Logger.Error().Msg("Could not retrieve " + id + " to db. Error: " + err.Error())
		return nil, code, err
	}
	_, code, err = mongo.MONGOService.DeleteOne(id, accessor.GetType())
	if err != nil {
		dma.Logger.Error().Msg("Could not delete " + id + " to db. Error: " + err.Error())
		return nil, code, err
	}
	return res, 200, nil
}

func (dma *AbstractAccessor) GenericUpdateOne(set map[string]interface{}, id string, accessor Accessor) (DBObject, int, error) {
	id, code, err := mongo.MONGOService.UpdateOne(set, id, accessor.GetType())
	if err != nil {
		dma.Logger.Error().Msg("Could not update " + id + " to db. Error: " + err.Error())
		return nil, code, err
	}
	return accessor.LoadOne(id)
}