// Code generated by ent, DO NOT EDIT.

package ent

import (
	"context"
	"errors"
	"fmt"

	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
	"entgo.io/ent/schema/field"
	"github.com/xmdhs/authlib-skin/db/ent/predicate"
	"github.com/xmdhs/authlib-skin/db/ent/texture"
	"github.com/xmdhs/authlib-skin/db/ent/user"
	"github.com/xmdhs/authlib-skin/db/ent/userprofile"
	"github.com/xmdhs/authlib-skin/db/ent/usertexture"
)

// TextureUpdate is the builder for updating Texture entities.
type TextureUpdate struct {
	config
	hooks    []Hook
	mutation *TextureMutation
}

// Where appends a list predicates to the TextureUpdate builder.
func (tu *TextureUpdate) Where(ps ...predicate.Texture) *TextureUpdate {
	tu.mutation.Where(ps...)
	return tu
}

// SetTextureHash sets the "texture_hash" field.
func (tu *TextureUpdate) SetTextureHash(s string) *TextureUpdate {
	tu.mutation.SetTextureHash(s)
	return tu
}

// SetCreatedUserID sets the "created_user" edge to the User entity by ID.
func (tu *TextureUpdate) SetCreatedUserID(id int) *TextureUpdate {
	tu.mutation.SetCreatedUserID(id)
	return tu
}

// SetCreatedUser sets the "created_user" edge to the User entity.
func (tu *TextureUpdate) SetCreatedUser(u *User) *TextureUpdate {
	return tu.SetCreatedUserID(u.ID)
}

// AddUserProfileIDs adds the "user_profile" edge to the UserProfile entity by IDs.
func (tu *TextureUpdate) AddUserProfileIDs(ids ...int) *TextureUpdate {
	tu.mutation.AddUserProfileIDs(ids...)
	return tu
}

// AddUserProfile adds the "user_profile" edges to the UserProfile entity.
func (tu *TextureUpdate) AddUserProfile(u ...*UserProfile) *TextureUpdate {
	ids := make([]int, len(u))
	for i := range u {
		ids[i] = u[i].ID
	}
	return tu.AddUserProfileIDs(ids...)
}

// AddUsertextureIDs adds the "usertexture" edge to the UserTexture entity by IDs.
func (tu *TextureUpdate) AddUsertextureIDs(ids ...int) *TextureUpdate {
	tu.mutation.AddUsertextureIDs(ids...)
	return tu
}

// AddUsertexture adds the "usertexture" edges to the UserTexture entity.
func (tu *TextureUpdate) AddUsertexture(u ...*UserTexture) *TextureUpdate {
	ids := make([]int, len(u))
	for i := range u {
		ids[i] = u[i].ID
	}
	return tu.AddUsertextureIDs(ids...)
}

// Mutation returns the TextureMutation object of the builder.
func (tu *TextureUpdate) Mutation() *TextureMutation {
	return tu.mutation
}

// ClearCreatedUser clears the "created_user" edge to the User entity.
func (tu *TextureUpdate) ClearCreatedUser() *TextureUpdate {
	tu.mutation.ClearCreatedUser()
	return tu
}

// ClearUserProfile clears all "user_profile" edges to the UserProfile entity.
func (tu *TextureUpdate) ClearUserProfile() *TextureUpdate {
	tu.mutation.ClearUserProfile()
	return tu
}

// RemoveUserProfileIDs removes the "user_profile" edge to UserProfile entities by IDs.
func (tu *TextureUpdate) RemoveUserProfileIDs(ids ...int) *TextureUpdate {
	tu.mutation.RemoveUserProfileIDs(ids...)
	return tu
}

// RemoveUserProfile removes "user_profile" edges to UserProfile entities.
func (tu *TextureUpdate) RemoveUserProfile(u ...*UserProfile) *TextureUpdate {
	ids := make([]int, len(u))
	for i := range u {
		ids[i] = u[i].ID
	}
	return tu.RemoveUserProfileIDs(ids...)
}

// ClearUsertexture clears all "usertexture" edges to the UserTexture entity.
func (tu *TextureUpdate) ClearUsertexture() *TextureUpdate {
	tu.mutation.ClearUsertexture()
	return tu
}

// RemoveUsertextureIDs removes the "usertexture" edge to UserTexture entities by IDs.
func (tu *TextureUpdate) RemoveUsertextureIDs(ids ...int) *TextureUpdate {
	tu.mutation.RemoveUsertextureIDs(ids...)
	return tu
}

// RemoveUsertexture removes "usertexture" edges to UserTexture entities.
func (tu *TextureUpdate) RemoveUsertexture(u ...*UserTexture) *TextureUpdate {
	ids := make([]int, len(u))
	for i := range u {
		ids[i] = u[i].ID
	}
	return tu.RemoveUsertextureIDs(ids...)
}

// Save executes the query and returns the number of nodes affected by the update operation.
func (tu *TextureUpdate) Save(ctx context.Context) (int, error) {
	return withHooks(ctx, tu.sqlSave, tu.mutation, tu.hooks)
}

// SaveX is like Save, but panics if an error occurs.
func (tu *TextureUpdate) SaveX(ctx context.Context) int {
	affected, err := tu.Save(ctx)
	if err != nil {
		panic(err)
	}
	return affected
}

// Exec executes the query.
func (tu *TextureUpdate) Exec(ctx context.Context) error {
	_, err := tu.Save(ctx)
	return err
}

// ExecX is like Exec, but panics if an error occurs.
func (tu *TextureUpdate) ExecX(ctx context.Context) {
	if err := tu.Exec(ctx); err != nil {
		panic(err)
	}
}

// check runs all checks and user-defined validators on the builder.
func (tu *TextureUpdate) check() error {
	if _, ok := tu.mutation.CreatedUserID(); tu.mutation.CreatedUserCleared() && !ok {
		return errors.New(`ent: clearing a required unique edge "Texture.created_user"`)
	}
	return nil
}

func (tu *TextureUpdate) sqlSave(ctx context.Context) (n int, err error) {
	if err := tu.check(); err != nil {
		return n, err
	}
	_spec := sqlgraph.NewUpdateSpec(texture.Table, texture.Columns, sqlgraph.NewFieldSpec(texture.FieldID, field.TypeInt))
	if ps := tu.mutation.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value, ok := tu.mutation.TextureHash(); ok {
		_spec.SetField(texture.FieldTextureHash, field.TypeString, value)
	}
	if tu.mutation.CreatedUserCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: false,
			Table:   texture.CreatedUserTable,
			Columns: []string{texture.CreatedUserColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := tu.mutation.CreatedUserIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: false,
			Table:   texture.CreatedUserTable,
			Columns: []string{texture.CreatedUserColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if tu.mutation.UserProfileCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: false,
			Table:   texture.UserProfileTable,
			Columns: texture.UserProfilePrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(userprofile.FieldID, field.TypeInt),
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := tu.mutation.RemovedUserProfileIDs(); len(nodes) > 0 && !tu.mutation.UserProfileCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: false,
			Table:   texture.UserProfileTable,
			Columns: texture.UserProfilePrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(userprofile.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := tu.mutation.UserProfileIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: false,
			Table:   texture.UserProfileTable,
			Columns: texture.UserProfilePrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(userprofile.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if tu.mutation.UsertextureCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: true,
			Table:   texture.UsertextureTable,
			Columns: []string{texture.UsertextureColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(usertexture.FieldID, field.TypeInt),
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := tu.mutation.RemovedUsertextureIDs(); len(nodes) > 0 && !tu.mutation.UsertextureCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: true,
			Table:   texture.UsertextureTable,
			Columns: []string{texture.UsertextureColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(usertexture.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := tu.mutation.UsertextureIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: true,
			Table:   texture.UsertextureTable,
			Columns: []string{texture.UsertextureColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(usertexture.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if n, err = sqlgraph.UpdateNodes(ctx, tu.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{texture.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return 0, err
	}
	tu.mutation.done = true
	return n, nil
}

// TextureUpdateOne is the builder for updating a single Texture entity.
type TextureUpdateOne struct {
	config
	fields   []string
	hooks    []Hook
	mutation *TextureMutation
}

// SetTextureHash sets the "texture_hash" field.
func (tuo *TextureUpdateOne) SetTextureHash(s string) *TextureUpdateOne {
	tuo.mutation.SetTextureHash(s)
	return tuo
}

// SetCreatedUserID sets the "created_user" edge to the User entity by ID.
func (tuo *TextureUpdateOne) SetCreatedUserID(id int) *TextureUpdateOne {
	tuo.mutation.SetCreatedUserID(id)
	return tuo
}

// SetCreatedUser sets the "created_user" edge to the User entity.
func (tuo *TextureUpdateOne) SetCreatedUser(u *User) *TextureUpdateOne {
	return tuo.SetCreatedUserID(u.ID)
}

// AddUserProfileIDs adds the "user_profile" edge to the UserProfile entity by IDs.
func (tuo *TextureUpdateOne) AddUserProfileIDs(ids ...int) *TextureUpdateOne {
	tuo.mutation.AddUserProfileIDs(ids...)
	return tuo
}

// AddUserProfile adds the "user_profile" edges to the UserProfile entity.
func (tuo *TextureUpdateOne) AddUserProfile(u ...*UserProfile) *TextureUpdateOne {
	ids := make([]int, len(u))
	for i := range u {
		ids[i] = u[i].ID
	}
	return tuo.AddUserProfileIDs(ids...)
}

// AddUsertextureIDs adds the "usertexture" edge to the UserTexture entity by IDs.
func (tuo *TextureUpdateOne) AddUsertextureIDs(ids ...int) *TextureUpdateOne {
	tuo.mutation.AddUsertextureIDs(ids...)
	return tuo
}

// AddUsertexture adds the "usertexture" edges to the UserTexture entity.
func (tuo *TextureUpdateOne) AddUsertexture(u ...*UserTexture) *TextureUpdateOne {
	ids := make([]int, len(u))
	for i := range u {
		ids[i] = u[i].ID
	}
	return tuo.AddUsertextureIDs(ids...)
}

// Mutation returns the TextureMutation object of the builder.
func (tuo *TextureUpdateOne) Mutation() *TextureMutation {
	return tuo.mutation
}

// ClearCreatedUser clears the "created_user" edge to the User entity.
func (tuo *TextureUpdateOne) ClearCreatedUser() *TextureUpdateOne {
	tuo.mutation.ClearCreatedUser()
	return tuo
}

// ClearUserProfile clears all "user_profile" edges to the UserProfile entity.
func (tuo *TextureUpdateOne) ClearUserProfile() *TextureUpdateOne {
	tuo.mutation.ClearUserProfile()
	return tuo
}

// RemoveUserProfileIDs removes the "user_profile" edge to UserProfile entities by IDs.
func (tuo *TextureUpdateOne) RemoveUserProfileIDs(ids ...int) *TextureUpdateOne {
	tuo.mutation.RemoveUserProfileIDs(ids...)
	return tuo
}

// RemoveUserProfile removes "user_profile" edges to UserProfile entities.
func (tuo *TextureUpdateOne) RemoveUserProfile(u ...*UserProfile) *TextureUpdateOne {
	ids := make([]int, len(u))
	for i := range u {
		ids[i] = u[i].ID
	}
	return tuo.RemoveUserProfileIDs(ids...)
}

// ClearUsertexture clears all "usertexture" edges to the UserTexture entity.
func (tuo *TextureUpdateOne) ClearUsertexture() *TextureUpdateOne {
	tuo.mutation.ClearUsertexture()
	return tuo
}

// RemoveUsertextureIDs removes the "usertexture" edge to UserTexture entities by IDs.
func (tuo *TextureUpdateOne) RemoveUsertextureIDs(ids ...int) *TextureUpdateOne {
	tuo.mutation.RemoveUsertextureIDs(ids...)
	return tuo
}

// RemoveUsertexture removes "usertexture" edges to UserTexture entities.
func (tuo *TextureUpdateOne) RemoveUsertexture(u ...*UserTexture) *TextureUpdateOne {
	ids := make([]int, len(u))
	for i := range u {
		ids[i] = u[i].ID
	}
	return tuo.RemoveUsertextureIDs(ids...)
}

// Where appends a list predicates to the TextureUpdate builder.
func (tuo *TextureUpdateOne) Where(ps ...predicate.Texture) *TextureUpdateOne {
	tuo.mutation.Where(ps...)
	return tuo
}

// Select allows selecting one or more fields (columns) of the returned entity.
// The default is selecting all fields defined in the entity schema.
func (tuo *TextureUpdateOne) Select(field string, fields ...string) *TextureUpdateOne {
	tuo.fields = append([]string{field}, fields...)
	return tuo
}

// Save executes the query and returns the updated Texture entity.
func (tuo *TextureUpdateOne) Save(ctx context.Context) (*Texture, error) {
	return withHooks(ctx, tuo.sqlSave, tuo.mutation, tuo.hooks)
}

// SaveX is like Save, but panics if an error occurs.
func (tuo *TextureUpdateOne) SaveX(ctx context.Context) *Texture {
	node, err := tuo.Save(ctx)
	if err != nil {
		panic(err)
	}
	return node
}

// Exec executes the query on the entity.
func (tuo *TextureUpdateOne) Exec(ctx context.Context) error {
	_, err := tuo.Save(ctx)
	return err
}

// ExecX is like Exec, but panics if an error occurs.
func (tuo *TextureUpdateOne) ExecX(ctx context.Context) {
	if err := tuo.Exec(ctx); err != nil {
		panic(err)
	}
}

// check runs all checks and user-defined validators on the builder.
func (tuo *TextureUpdateOne) check() error {
	if _, ok := tuo.mutation.CreatedUserID(); tuo.mutation.CreatedUserCleared() && !ok {
		return errors.New(`ent: clearing a required unique edge "Texture.created_user"`)
	}
	return nil
}

func (tuo *TextureUpdateOne) sqlSave(ctx context.Context) (_node *Texture, err error) {
	if err := tuo.check(); err != nil {
		return _node, err
	}
	_spec := sqlgraph.NewUpdateSpec(texture.Table, texture.Columns, sqlgraph.NewFieldSpec(texture.FieldID, field.TypeInt))
	id, ok := tuo.mutation.ID()
	if !ok {
		return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "Texture.id" for update`)}
	}
	_spec.Node.ID.Value = id
	if fields := tuo.fields; len(fields) > 0 {
		_spec.Node.Columns = make([]string, 0, len(fields))
		_spec.Node.Columns = append(_spec.Node.Columns, texture.FieldID)
		for _, f := range fields {
			if !texture.ValidColumn(f) {
				return nil, &ValidationError{Name: f, err: fmt.Errorf("ent: invalid field %q for query", f)}
			}
			if f != texture.FieldID {
				_spec.Node.Columns = append(_spec.Node.Columns, f)
			}
		}
	}
	if ps := tuo.mutation.predicates; len(ps) > 0 {
		_spec.Predicate = func(selector *sql.Selector) {
			for i := range ps {
				ps[i](selector)
			}
		}
	}
	if value, ok := tuo.mutation.TextureHash(); ok {
		_spec.SetField(texture.FieldTextureHash, field.TypeString, value)
	}
	if tuo.mutation.CreatedUserCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: false,
			Table:   texture.CreatedUserTable,
			Columns: []string{texture.CreatedUserColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := tuo.mutation.CreatedUserIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2O,
			Inverse: false,
			Table:   texture.CreatedUserTable,
			Columns: []string{texture.CreatedUserColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(user.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if tuo.mutation.UserProfileCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: false,
			Table:   texture.UserProfileTable,
			Columns: texture.UserProfilePrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(userprofile.FieldID, field.TypeInt),
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := tuo.mutation.RemovedUserProfileIDs(); len(nodes) > 0 && !tuo.mutation.UserProfileCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: false,
			Table:   texture.UserProfileTable,
			Columns: texture.UserProfilePrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(userprofile.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := tuo.mutation.UserProfileIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.M2M,
			Inverse: false,
			Table:   texture.UserProfileTable,
			Columns: texture.UserProfilePrimaryKey,
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(userprofile.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	if tuo.mutation.UsertextureCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: true,
			Table:   texture.UsertextureTable,
			Columns: []string{texture.UsertextureColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(usertexture.FieldID, field.TypeInt),
			},
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := tuo.mutation.RemovedUsertextureIDs(); len(nodes) > 0 && !tuo.mutation.UsertextureCleared() {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: true,
			Table:   texture.UsertextureTable,
			Columns: []string{texture.UsertextureColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(usertexture.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Clear = append(_spec.Edges.Clear, edge)
	}
	if nodes := tuo.mutation.UsertextureIDs(); len(nodes) > 0 {
		edge := &sqlgraph.EdgeSpec{
			Rel:     sqlgraph.O2M,
			Inverse: true,
			Table:   texture.UsertextureTable,
			Columns: []string{texture.UsertextureColumn},
			Bidi:    false,
			Target: &sqlgraph.EdgeTarget{
				IDSpec: sqlgraph.NewFieldSpec(usertexture.FieldID, field.TypeInt),
			},
		}
		for _, k := range nodes {
			edge.Target.Nodes = append(edge.Target.Nodes, k)
		}
		_spec.Edges.Add = append(_spec.Edges.Add, edge)
	}
	_node = &Texture{config: tuo.config}
	_spec.Assign = _node.assignValues
	_spec.ScanValues = _node.scanValues
	if err = sqlgraph.UpdateNode(ctx, tuo.driver, _spec); err != nil {
		if _, ok := err.(*sqlgraph.NotFoundError); ok {
			err = &NotFoundError{texture.Label}
		} else if sqlgraph.IsConstraintError(err) {
			err = &ConstraintError{msg: err.Error(), wrap: err}
		}
		return nil, err
	}
	tuo.mutation.done = true
	return _node, nil
}