// Copyright 2019-present Facebook Inc. All rights reserved.
// This source code is licensed under the Apache 2.0 license found
// in the LICENSE file in the root directory of this source tree.

// Code generated by ent, DO NOT EDIT.

package blob

import (
	"context"
	"fmt"

	"entgo.io/ent"
	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/entc/integration/customid/ent/predicate"
	"github.com/google/uuid"
)

// Mutation represents an operation that mutates the Blob nodes in the graph.
type Mutation struct {
	op            ent.Op
	typ           string
	uuid          *uuid.UUID
	count         *int
	addcount      *int
	clearedFields map[string]struct{}
	parent        *uuid.UUID
	clearedparent bool
	links         map[uuid.UUID]struct{}
	removedlinks  map[uuid.UUID]struct{}
	clearedlinks  bool
	predicates    []predicate.Blob
}

// NewMutation creates a new Mutation for the Blob entity.
func NewMutation(op ent.Op) *Mutation {
	return &Mutation{
		op:            op,
		typ:           "Blob",
		clearedFields: make(map[string]struct{}),
	}
}

// Predicates returns the list of predicates set on the mutation.
func (m *Mutation) Predicates() []predicate.Blob {
	return m.predicates
}

// SetUUID sets the "uuid" field.
func (m *Mutation) SetUUID(u uuid.UUID) {
	m.uuid = &u
}

// UUID returns the value of the "uuid" field in the mutation.
func (m *Mutation) UUID() (r uuid.UUID, exists bool) {
	v := m.uuid
	if v == nil {
		return
	}
	return *v, true
}

// ResetUUID resets all changes to the "uuid" field.
func (m *Mutation) ResetUUID() {
	m.uuid = nil
}

// SetCount sets the "count" field.
func (m *Mutation) SetCount(i int) {
	m.count = &i
	m.addcount = nil
}

// Count returns the value of the "count" field in the mutation.
func (m *Mutation) Count() (r int, exists bool) {
	v := m.count
	if v == nil {
		return
	}
	return *v, true
}

// AddCount adds i to the "count" field.
func (m *Mutation) AddCount(i int) {
	if m.addcount != nil {
		*m.addcount += i
	} else {
		m.addcount = &i
	}
}

// AddedCount returns the value that was added to the "count" field in this mutation.
func (m *Mutation) AddedCount() (r int, exists bool) {
	v := m.addcount
	if v == nil {
		return
	}
	return *v, true
}

// ResetCount resets all changes to the "count" field.
func (m *Mutation) ResetCount() {
	m.count = nil
	m.addcount = nil
}

// SetParentID sets the "parent" edge to the Blob entity by id.
func (m *Mutation) SetParentID(id uuid.UUID) {
	m.parent = &id
}

// ClearParent clears the "parent" edge to the Blob entity.
func (m *Mutation) ClearParent() {
	m.clearedparent = true
}

// ParentCleared reports if the "parent" edge to the Blob entity was cleared.
func (m *Mutation) ParentCleared() bool {
	return m.clearedparent
}

// ParentID returns the "parent" edge ID in the mutation.
func (m *Mutation) ParentID() (id uuid.UUID, exists bool) {
	if m.parent != nil {
		return *m.parent, true
	}
	return
}

// ParentIDs returns the "parent" edge IDs in the mutation.
// Note that IDs always returns len(IDs) <= 1 for unique edges, and you should use
// ParentID instead. It exists only for internal usage by the builders.
func (m *Mutation) ParentIDs() (ids []uuid.UUID) {
	if id := m.parent; id != nil {
		ids = append(ids, *id)
	}
	return
}

// ResetParent resets all changes to the "parent" edge.
func (m *Mutation) ResetParent() {
	m.parent = nil
	m.clearedparent = false
}

// AddLinkIDs adds the "links" edge to the Blob entity by ids.
func (m *Mutation) AddLinkIDs(ids ...uuid.UUID) {
	if m.links == nil {
		m.links = make(map[uuid.UUID]struct{})
	}
	for i := range ids {
		m.links[ids[i]] = struct{}{}
	}
}

// ClearLinks clears the "links" edge to the Blob entity.
func (m *Mutation) ClearLinks() {
	m.clearedlinks = true
}

// LinksCleared reports if the "links" edge to the Blob entity was cleared.
func (m *Mutation) LinksCleared() bool {
	return m.clearedlinks
}

// RemoveLinkIDs removes the "links" edge to the Blob entity by IDs.
func (m *Mutation) RemoveLinkIDs(ids ...uuid.UUID) {
	if m.removedlinks == nil {
		m.removedlinks = make(map[uuid.UUID]struct{})
	}
	for i := range ids {
		delete(m.links, ids[i])
		m.removedlinks[ids[i]] = struct{}{}
	}
}

// RemovedLinks returns the removed IDs of the "links" edge to the Blob entity.
func (m *Mutation) RemovedLinksIDs() (ids []uuid.UUID) {
	for id := range m.removedlinks {
		ids = append(ids, id)
	}
	return
}

// LinksIDs returns the "links" edge IDs in the mutation.
func (m *Mutation) LinksIDs() (ids []uuid.UUID) {
	for id := range m.links {
		ids = append(ids, id)
	}
	return
}

// ResetLinks resets all changes to the "links" edge.
func (m *Mutation) ResetLinks() {
	m.links = nil
	m.clearedlinks = false
	m.removedlinks = nil
}

// Where appends a list predicates to the Mutation builder.
func (m *Mutation) Where(ps ...predicate.Blob) {
	m.predicates = append(m.predicates, ps...)
}

// WhereP appends storage-level predicates to the Mutation builder. Using this method,
// users can use type-assertion to append predicates that do not depend on any generated package.
func (m *Mutation) WhereP(ps ...func(*sql.Selector)) {
	p := make([]predicate.Blob, len(ps))
	for i := range ps {
		p[i] = ps[i]
	}
	m.Where(p...)
}

// Op returns the operation name.
func (m *Mutation) Op() ent.Op {
	return m.op
}

// SetOp allows setting the mutation operation.
func (m *Mutation) SetOp(op ent.Op) {
	m.op = op
}

// Type returns the node type of this mutation (Blob).
func (m *Mutation) Type() string {
	return m.typ
}

// Fields returns all fields that were changed during this mutation. Note that in
// order to get all numeric fields that were incremented/decremented, call
// AddedFields().
func (m *Mutation) Fields() []string {
	fields := make([]string, 0, 2)
	if m.uuid != nil {
		fields = append(fields, FieldUUID)
	}
	if m.count != nil {
		fields = append(fields, FieldCount)
	}
	return fields
}

// Field returns the value of a field with the given name. The second boolean
// return value indicates that this field was not set, or was not defined in the
// schema.
func (m *Mutation) Field(name string) (ent.Value, bool) {
	switch name {
	case FieldUUID:
		return m.UUID()
	case FieldCount:
		return m.Count()
	}
	return nil, false
}

// OldField returns the old value of the field from the database. An error is
// returned if the mutation operation is not UpdateOne, or the query to the
// database failed.
func (m *Mutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	return nil, fmt.Errorf("unknown Blob field %s", name)
}

// SetField sets the value of a field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *Mutation) SetField(name string, value ent.Value) error {
	switch name {
	case FieldUUID:
		v, ok := value.(uuid.UUID)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetUUID(v)
		return nil
	case FieldCount:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetCount(v)
		return nil
	}
	return fmt.Errorf("unknown Blob field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *Mutation) AddedFields() []string {
	var fields []string
	if m.addcount != nil {
		fields = append(fields, FieldCount)
	}
	return fields
}

// AddedField returns the numeric value that was incremented/decremented on a field
// with the given name. The second boolean return value indicates that this field
// was not set, or was not defined in the schema.
func (m *Mutation) AddedField(name string) (ent.Value, bool) {
	switch name {
	case FieldCount:
		return m.AddedCount()
	}
	return nil, false
}

// AddField adds the value to the field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *Mutation) AddField(name string, value ent.Value) error {
	switch name {
	case FieldCount:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.AddCount(v)
		return nil
	}
	return fmt.Errorf("unknown Blob numeric field %s", name)
}

// ClearedFields returns all nullable fields that were cleared during this
// mutation.
func (m *Mutation) ClearedFields() []string {
	return nil
}

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *Mutation) FieldCleared(name string) bool {
	_, ok := m.clearedFields[name]
	return ok
}

// ClearField clears the value of the field with the given name. It returns an
// error if the field is not defined in the schema.
func (m *Mutation) ClearField(name string) error {
	return fmt.Errorf("unknown Blob nullable field %s", name)
}

// ResetField resets all changes in the mutation for the field with the given name.
// It returns an error if the field is not defined in the schema.
func (m *Mutation) ResetField(name string) error {
	switch name {
	case FieldUUID:
		m.ResetUUID()
		return nil
	case FieldCount:
		m.ResetCount()
		return nil
	}
	return fmt.Errorf("unknown Blob field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *Mutation) AddedEdges() []string {
	edges := make([]string, 0, 2)
	if m.parent != nil {
		edges = append(edges, EdgeParent)
	}
	if m.links != nil {
		edges = append(edges, EdgeLinks)
	}
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *Mutation) AddedIDs(name string) []ent.Value {
	switch name {
	case EdgeParent:
		if id := m.parent; id != nil {
			return []ent.Value{*id}
		}
	case EdgeLinks:
		ids := make([]ent.Value, 0, len(m.links))
		for id := range m.links {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *Mutation) RemovedEdges() []string {
	edges := make([]string, 0, 2)
	if m.removedlinks != nil {
		edges = append(edges, EdgeLinks)
	}
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *Mutation) RemovedIDs(name string) []ent.Value {
	switch name {
	case EdgeLinks:
		ids := make([]ent.Value, 0, len(m.removedlinks))
		for id := range m.removedlinks {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *Mutation) ClearedEdges() []string {
	edges := make([]string, 0, 2)
	if m.clearedparent {
		edges = append(edges, EdgeParent)
	}
	if m.clearedlinks {
		edges = append(edges, EdgeLinks)
	}
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *Mutation) EdgeCleared(name string) bool {
	switch name {
	case EdgeParent:
		return m.clearedparent
	case EdgeLinks:
		return m.clearedlinks
	}
	return false
}

// ClearEdge clears the value of the edge with the given name. It returns an error
// if that edge is not defined in the schema.
func (m *Mutation) ClearEdge(name string) error {
	switch name {
	case EdgeParent:
		m.ClearParent()
		return nil
	}
	return fmt.Errorf("unknown Blob unique edge %s", name)
}

// ResetEdge resets all changes to the edge with the given name in this mutation.
// It returns an error if the edge is not defined in the schema.
func (m *Mutation) ResetEdge(name string) error {
	switch name {
	case EdgeParent:
		m.ResetParent()
		return nil
	case EdgeLinks:
		m.ResetLinks()
		return nil
	}
	return fmt.Errorf("unknown Blob edge %s", name)
}