// 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 ent

import (
	"context"
	"errors"
	"fmt"
	"sync"
	"time"

	"entgo.io/ent"
	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/entc/integration/multischema/ent/friendship"
	"entgo.io/ent/entc/integration/multischema/ent/group"
	"entgo.io/ent/entc/integration/multischema/ent/pet"
	"entgo.io/ent/entc/integration/multischema/ent/predicate"
	"entgo.io/ent/entc/integration/multischema/ent/user"
)

const (
	// Operation types.
	OpCreate    = ent.OpCreate
	OpDelete    = ent.OpDelete
	OpDeleteOne = ent.OpDeleteOne
	OpUpdate    = ent.OpUpdate
	OpUpdateOne = ent.OpUpdateOne

	// Node types.
	TypeFriendship = "Friendship"
	TypeGroup      = "Group"
	TypePet        = "Pet"
	TypeUser       = "User"
)

// FriendshipMutation represents an operation that mutates the Friendship nodes in the graph.
type FriendshipMutation struct {
	config
	op            Op
	typ           string
	id            *int
	weight        *int
	addweight     *int
	created_at    *time.Time
	clearedFields map[string]struct{}
	user          *int
	cleareduser   bool
	friend        *int
	clearedfriend bool
	done          bool
	oldValue      func(context.Context) (*Friendship, error)
	predicates    []predicate.Friendship
}

var _ ent.Mutation = (*FriendshipMutation)(nil)

// friendshipOption allows management of the mutation configuration using functional options.
type friendshipOption func(*FriendshipMutation)

// newFriendshipMutation creates new mutation for the Friendship entity.
func newFriendshipMutation(c config, op Op, opts ...friendshipOption) *FriendshipMutation {
	m := &FriendshipMutation{
		config:        c,
		op:            op,
		typ:           TypeFriendship,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// withFriendshipID sets the ID field of the mutation.
func withFriendshipID(id int) friendshipOption {
	return func(m *FriendshipMutation) {
		var (
			err   error
			once  sync.Once
			value *Friendship
		)
		m.oldValue = func(ctx context.Context) (*Friendship, error) {
			once.Do(func() {
				if m.done {
					err = errors.New("querying old values post mutation is not allowed")
				} else {
					value, err = m.Client().Friendship.Get(ctx, id)
				}
			})
			return value, err
		}
		m.id = &id
	}
}

// withFriendship sets the old Friendship of the mutation.
func withFriendship(node *Friendship) friendshipOption {
	return func(m *FriendshipMutation) {
		m.oldValue = func(context.Context) (*Friendship, error) {
			return node, nil
		}
		m.id = &node.ID
	}
}

// Client returns a new `ent.Client` from the mutation. If the mutation was
// executed in a transaction (ent.Tx), a transactional client is returned.
func (m FriendshipMutation) Client() *Client {
	client := &Client{config: m.config}
	client.init()
	return client
}

// Tx returns an `ent.Tx` for mutations that were executed in transactions;
// it returns an error otherwise.
func (m FriendshipMutation) Tx() (*Tx, error) {
	if _, ok := m.driver.(*txDriver); !ok {
		return nil, errors.New("ent: mutation is not running in a transaction")
	}
	tx := &Tx{config: m.config}
	tx.init()
	return tx, nil
}

// ID returns the ID value in the mutation. Note that the ID is only available
// if it was provided to the builder or after it was returned from the database.
func (m *FriendshipMutation) ID() (id int, exists bool) {
	if m.id == nil {
		return
	}
	return *m.id, true
}

// IDs queries the database and returns the entity ids that match the mutation's predicate.
// That means, if the mutation is applied within a transaction with an isolation level such
// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
// or updated by the mutation.
func (m *FriendshipMutation) IDs(ctx context.Context) ([]int, error) {
	switch {
	case m.op.Is(OpUpdateOne | OpDeleteOne):
		id, exists := m.ID()
		if exists {
			return []int{id}, nil
		}
		fallthrough
	case m.op.Is(OpUpdate | OpDelete):
		return m.Client().Friendship.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetWeight sets the "weight" field.
func (m *FriendshipMutation) SetWeight(i int) {
	m.weight = &i
	m.addweight = nil
}

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

// OldWeight returns the old "weight" field's value of the Friendship entity.
// If the Friendship object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *FriendshipMutation) OldWeight(ctx context.Context) (v int, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldWeight is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldWeight requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldWeight: %w", err)
	}
	return oldValue.Weight, nil
}

// AddWeight adds i to the "weight" field.
func (m *FriendshipMutation) AddWeight(i int) {
	if m.addweight != nil {
		*m.addweight += i
	} else {
		m.addweight = &i
	}
}

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

// ResetWeight resets all changes to the "weight" field.
func (m *FriendshipMutation) ResetWeight() {
	m.weight = nil
	m.addweight = nil
}

// SetCreatedAt sets the "created_at" field.
func (m *FriendshipMutation) SetCreatedAt(t time.Time) {
	m.created_at = &t
}

// CreatedAt returns the value of the "created_at" field in the mutation.
func (m *FriendshipMutation) CreatedAt() (r time.Time, exists bool) {
	v := m.created_at
	if v == nil {
		return
	}
	return *v, true
}

// OldCreatedAt returns the old "created_at" field's value of the Friendship entity.
// If the Friendship object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *FriendshipMutation) OldCreatedAt(ctx context.Context) (v time.Time, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldCreatedAt is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldCreatedAt requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldCreatedAt: %w", err)
	}
	return oldValue.CreatedAt, nil
}

// ResetCreatedAt resets all changes to the "created_at" field.
func (m *FriendshipMutation) ResetCreatedAt() {
	m.created_at = nil
}

// SetUserID sets the "user_id" field.
func (m *FriendshipMutation) SetUserID(i int) {
	m.user = &i
}

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

// OldUserID returns the old "user_id" field's value of the Friendship entity.
// If the Friendship object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *FriendshipMutation) OldUserID(ctx context.Context) (v int, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldUserID is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldUserID requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldUserID: %w", err)
	}
	return oldValue.UserID, nil
}

// ResetUserID resets all changes to the "user_id" field.
func (m *FriendshipMutation) ResetUserID() {
	m.user = nil
}

// SetFriendID sets the "friend_id" field.
func (m *FriendshipMutation) SetFriendID(i int) {
	m.friend = &i
}

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

// OldFriendID returns the old "friend_id" field's value of the Friendship entity.
// If the Friendship object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *FriendshipMutation) OldFriendID(ctx context.Context) (v int, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldFriendID is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldFriendID requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldFriendID: %w", err)
	}
	return oldValue.FriendID, nil
}

// ResetFriendID resets all changes to the "friend_id" field.
func (m *FriendshipMutation) ResetFriendID() {
	m.friend = nil
}

// ClearUser clears the "user" edge to the User entity.
func (m *FriendshipMutation) ClearUser() {
	m.cleareduser = true
}

// UserCleared reports if the "user" edge to the User entity was cleared.
func (m *FriendshipMutation) UserCleared() bool {
	return m.cleareduser
}

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

// ResetUser resets all changes to the "user" edge.
func (m *FriendshipMutation) ResetUser() {
	m.user = nil
	m.cleareduser = false
}

// ClearFriend clears the "friend" edge to the User entity.
func (m *FriendshipMutation) ClearFriend() {
	m.clearedfriend = true
}

// FriendCleared reports if the "friend" edge to the User entity was cleared.
func (m *FriendshipMutation) FriendCleared() bool {
	return m.clearedfriend
}

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

// ResetFriend resets all changes to the "friend" edge.
func (m *FriendshipMutation) ResetFriend() {
	m.friend = nil
	m.clearedfriend = false
}

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

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

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

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

// Type returns the node type of this mutation (Friendship).
func (m *FriendshipMutation) 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 *FriendshipMutation) Fields() []string {
	fields := make([]string, 0, 4)
	if m.weight != nil {
		fields = append(fields, friendship.FieldWeight)
	}
	if m.created_at != nil {
		fields = append(fields, friendship.FieldCreatedAt)
	}
	if m.user != nil {
		fields = append(fields, friendship.FieldUserID)
	}
	if m.friend != nil {
		fields = append(fields, friendship.FieldFriendID)
	}
	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 *FriendshipMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case friendship.FieldWeight:
		return m.Weight()
	case friendship.FieldCreatedAt:
		return m.CreatedAt()
	case friendship.FieldUserID:
		return m.UserID()
	case friendship.FieldFriendID:
		return m.FriendID()
	}
	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 *FriendshipMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case friendship.FieldWeight:
		return m.OldWeight(ctx)
	case friendship.FieldCreatedAt:
		return m.OldCreatedAt(ctx)
	case friendship.FieldUserID:
		return m.OldUserID(ctx)
	case friendship.FieldFriendID:
		return m.OldFriendID(ctx)
	}
	return nil, fmt.Errorf("unknown Friendship 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 *FriendshipMutation) SetField(name string, value ent.Value) error {
	switch name {
	case friendship.FieldWeight:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetWeight(v)
		return nil
	case friendship.FieldCreatedAt:
		v, ok := value.(time.Time)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetCreatedAt(v)
		return nil
	case friendship.FieldUserID:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetUserID(v)
		return nil
	case friendship.FieldFriendID:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetFriendID(v)
		return nil
	}
	return fmt.Errorf("unknown Friendship field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *FriendshipMutation) AddedFields() []string {
	var fields []string
	if m.addweight != nil {
		fields = append(fields, friendship.FieldWeight)
	}
	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 *FriendshipMutation) AddedField(name string) (ent.Value, bool) {
	switch name {
	case friendship.FieldWeight:
		return m.AddedWeight()
	}
	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 *FriendshipMutation) AddField(name string, value ent.Value) error {
	switch name {
	case friendship.FieldWeight:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.AddWeight(v)
		return nil
	}
	return fmt.Errorf("unknown Friendship numeric field %s", name)
}

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

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *FriendshipMutation) 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 *FriendshipMutation) ClearField(name string) error {
	return fmt.Errorf("unknown Friendship 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 *FriendshipMutation) ResetField(name string) error {
	switch name {
	case friendship.FieldWeight:
		m.ResetWeight()
		return nil
	case friendship.FieldCreatedAt:
		m.ResetCreatedAt()
		return nil
	case friendship.FieldUserID:
		m.ResetUserID()
		return nil
	case friendship.FieldFriendID:
		m.ResetFriendID()
		return nil
	}
	return fmt.Errorf("unknown Friendship field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *FriendshipMutation) AddedEdges() []string {
	edges := make([]string, 0, 2)
	if m.user != nil {
		edges = append(edges, friendship.EdgeUser)
	}
	if m.friend != nil {
		edges = append(edges, friendship.EdgeFriend)
	}
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *FriendshipMutation) AddedIDs(name string) []ent.Value {
	switch name {
	case friendship.EdgeUser:
		if id := m.user; id != nil {
			return []ent.Value{*id}
		}
	case friendship.EdgeFriend:
		if id := m.friend; id != nil {
			return []ent.Value{*id}
		}
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *FriendshipMutation) RemovedEdges() []string {
	edges := make([]string, 0, 2)
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *FriendshipMutation) RemovedIDs(name string) []ent.Value {
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *FriendshipMutation) ClearedEdges() []string {
	edges := make([]string, 0, 2)
	if m.cleareduser {
		edges = append(edges, friendship.EdgeUser)
	}
	if m.clearedfriend {
		edges = append(edges, friendship.EdgeFriend)
	}
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *FriendshipMutation) EdgeCleared(name string) bool {
	switch name {
	case friendship.EdgeUser:
		return m.cleareduser
	case friendship.EdgeFriend:
		return m.clearedfriend
	}
	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 *FriendshipMutation) ClearEdge(name string) error {
	switch name {
	case friendship.EdgeUser:
		m.ClearUser()
		return nil
	case friendship.EdgeFriend:
		m.ClearFriend()
		return nil
	}
	return fmt.Errorf("unknown Friendship 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 *FriendshipMutation) ResetEdge(name string) error {
	switch name {
	case friendship.EdgeUser:
		m.ResetUser()
		return nil
	case friendship.EdgeFriend:
		m.ResetFriend()
		return nil
	}
	return fmt.Errorf("unknown Friendship edge %s", name)
}

// GroupMutation represents an operation that mutates the Group nodes in the graph.
type GroupMutation struct {
	config
	op            Op
	typ           string
	id            *int
	name          *string
	clearedFields map[string]struct{}
	users         map[int]struct{}
	removedusers  map[int]struct{}
	clearedusers  bool
	done          bool
	oldValue      func(context.Context) (*Group, error)
	predicates    []predicate.Group
}

var _ ent.Mutation = (*GroupMutation)(nil)

// groupOption allows management of the mutation configuration using functional options.
type groupOption func(*GroupMutation)

// newGroupMutation creates new mutation for the Group entity.
func newGroupMutation(c config, op Op, opts ...groupOption) *GroupMutation {
	m := &GroupMutation{
		config:        c,
		op:            op,
		typ:           TypeGroup,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// withGroupID sets the ID field of the mutation.
func withGroupID(id int) groupOption {
	return func(m *GroupMutation) {
		var (
			err   error
			once  sync.Once
			value *Group
		)
		m.oldValue = func(ctx context.Context) (*Group, error) {
			once.Do(func() {
				if m.done {
					err = errors.New("querying old values post mutation is not allowed")
				} else {
					value, err = m.Client().Group.Get(ctx, id)
				}
			})
			return value, err
		}
		m.id = &id
	}
}

// withGroup sets the old Group of the mutation.
func withGroup(node *Group) groupOption {
	return func(m *GroupMutation) {
		m.oldValue = func(context.Context) (*Group, error) {
			return node, nil
		}
		m.id = &node.ID
	}
}

// Client returns a new `ent.Client` from the mutation. If the mutation was
// executed in a transaction (ent.Tx), a transactional client is returned.
func (m GroupMutation) Client() *Client {
	client := &Client{config: m.config}
	client.init()
	return client
}

// Tx returns an `ent.Tx` for mutations that were executed in transactions;
// it returns an error otherwise.
func (m GroupMutation) Tx() (*Tx, error) {
	if _, ok := m.driver.(*txDriver); !ok {
		return nil, errors.New("ent: mutation is not running in a transaction")
	}
	tx := &Tx{config: m.config}
	tx.init()
	return tx, nil
}

// ID returns the ID value in the mutation. Note that the ID is only available
// if it was provided to the builder or after it was returned from the database.
func (m *GroupMutation) ID() (id int, exists bool) {
	if m.id == nil {
		return
	}
	return *m.id, true
}

// IDs queries the database and returns the entity ids that match the mutation's predicate.
// That means, if the mutation is applied within a transaction with an isolation level such
// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
// or updated by the mutation.
func (m *GroupMutation) IDs(ctx context.Context) ([]int, error) {
	switch {
	case m.op.Is(OpUpdateOne | OpDeleteOne):
		id, exists := m.ID()
		if exists {
			return []int{id}, nil
		}
		fallthrough
	case m.op.Is(OpUpdate | OpDelete):
		return m.Client().Group.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetName sets the "name" field.
func (m *GroupMutation) SetName(s string) {
	m.name = &s
}

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

// OldName returns the old "name" field's value of the Group entity.
// If the Group object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *GroupMutation) OldName(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldName is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldName requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldName: %w", err)
	}
	return oldValue.Name, nil
}

// ResetName resets all changes to the "name" field.
func (m *GroupMutation) ResetName() {
	m.name = nil
}

// AddUserIDs adds the "users" edge to the User entity by ids.
func (m *GroupMutation) AddUserIDs(ids ...int) {
	if m.users == nil {
		m.users = make(map[int]struct{})
	}
	for i := range ids {
		m.users[ids[i]] = struct{}{}
	}
}

// ClearUsers clears the "users" edge to the User entity.
func (m *GroupMutation) ClearUsers() {
	m.clearedusers = true
}

// UsersCleared reports if the "users" edge to the User entity was cleared.
func (m *GroupMutation) UsersCleared() bool {
	return m.clearedusers
}

// RemoveUserIDs removes the "users" edge to the User entity by IDs.
func (m *GroupMutation) RemoveUserIDs(ids ...int) {
	if m.removedusers == nil {
		m.removedusers = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.users, ids[i])
		m.removedusers[ids[i]] = struct{}{}
	}
}

// RemovedUsers returns the removed IDs of the "users" edge to the User entity.
func (m *GroupMutation) RemovedUsersIDs() (ids []int) {
	for id := range m.removedusers {
		ids = append(ids, id)
	}
	return
}

// UsersIDs returns the "users" edge IDs in the mutation.
func (m *GroupMutation) UsersIDs() (ids []int) {
	for id := range m.users {
		ids = append(ids, id)
	}
	return
}

// ResetUsers resets all changes to the "users" edge.
func (m *GroupMutation) ResetUsers() {
	m.users = nil
	m.clearedusers = false
	m.removedusers = nil
}

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

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

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

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

// Type returns the node type of this mutation (Group).
func (m *GroupMutation) 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 *GroupMutation) Fields() []string {
	fields := make([]string, 0, 1)
	if m.name != nil {
		fields = append(fields, group.FieldName)
	}
	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 *GroupMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case group.FieldName:
		return m.Name()
	}
	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 *GroupMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case group.FieldName:
		return m.OldName(ctx)
	}
	return nil, fmt.Errorf("unknown Group 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 *GroupMutation) SetField(name string, value ent.Value) error {
	switch name {
	case group.FieldName:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetName(v)
		return nil
	}
	return fmt.Errorf("unknown Group field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *GroupMutation) AddedFields() []string {
	return nil
}

// 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 *GroupMutation) AddedField(name string) (ent.Value, bool) {
	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 *GroupMutation) AddField(name string, value ent.Value) error {
	switch name {
	}
	return fmt.Errorf("unknown Group numeric field %s", name)
}

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

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *GroupMutation) 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 *GroupMutation) ClearField(name string) error {
	return fmt.Errorf("unknown Group 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 *GroupMutation) ResetField(name string) error {
	switch name {
	case group.FieldName:
		m.ResetName()
		return nil
	}
	return fmt.Errorf("unknown Group field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *GroupMutation) AddedEdges() []string {
	edges := make([]string, 0, 1)
	if m.users != nil {
		edges = append(edges, group.EdgeUsers)
	}
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *GroupMutation) AddedIDs(name string) []ent.Value {
	switch name {
	case group.EdgeUsers:
		ids := make([]ent.Value, 0, len(m.users))
		for id := range m.users {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *GroupMutation) RemovedEdges() []string {
	edges := make([]string, 0, 1)
	if m.removedusers != nil {
		edges = append(edges, group.EdgeUsers)
	}
	return edges
}

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

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *GroupMutation) ClearedEdges() []string {
	edges := make([]string, 0, 1)
	if m.clearedusers {
		edges = append(edges, group.EdgeUsers)
	}
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *GroupMutation) EdgeCleared(name string) bool {
	switch name {
	case group.EdgeUsers:
		return m.clearedusers
	}
	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 *GroupMutation) ClearEdge(name string) error {
	switch name {
	}
	return fmt.Errorf("unknown Group 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 *GroupMutation) ResetEdge(name string) error {
	switch name {
	case group.EdgeUsers:
		m.ResetUsers()
		return nil
	}
	return fmt.Errorf("unknown Group edge %s", name)
}

// PetMutation represents an operation that mutates the Pet nodes in the graph.
type PetMutation struct {
	config
	op            Op
	typ           string
	id            *int
	name          *string
	clearedFields map[string]struct{}
	owner         *int
	clearedowner  bool
	done          bool
	oldValue      func(context.Context) (*Pet, error)
	predicates    []predicate.Pet
}

var _ ent.Mutation = (*PetMutation)(nil)

// petOption allows management of the mutation configuration using functional options.
type petOption func(*PetMutation)

// newPetMutation creates new mutation for the Pet entity.
func newPetMutation(c config, op Op, opts ...petOption) *PetMutation {
	m := &PetMutation{
		config:        c,
		op:            op,
		typ:           TypePet,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// withPetID sets the ID field of the mutation.
func withPetID(id int) petOption {
	return func(m *PetMutation) {
		var (
			err   error
			once  sync.Once
			value *Pet
		)
		m.oldValue = func(ctx context.Context) (*Pet, error) {
			once.Do(func() {
				if m.done {
					err = errors.New("querying old values post mutation is not allowed")
				} else {
					value, err = m.Client().Pet.Get(ctx, id)
				}
			})
			return value, err
		}
		m.id = &id
	}
}

// withPet sets the old Pet of the mutation.
func withPet(node *Pet) petOption {
	return func(m *PetMutation) {
		m.oldValue = func(context.Context) (*Pet, error) {
			return node, nil
		}
		m.id = &node.ID
	}
}

// Client returns a new `ent.Client` from the mutation. If the mutation was
// executed in a transaction (ent.Tx), a transactional client is returned.
func (m PetMutation) Client() *Client {
	client := &Client{config: m.config}
	client.init()
	return client
}

// Tx returns an `ent.Tx` for mutations that were executed in transactions;
// it returns an error otherwise.
func (m PetMutation) Tx() (*Tx, error) {
	if _, ok := m.driver.(*txDriver); !ok {
		return nil, errors.New("ent: mutation is not running in a transaction")
	}
	tx := &Tx{config: m.config}
	tx.init()
	return tx, nil
}

// ID returns the ID value in the mutation. Note that the ID is only available
// if it was provided to the builder or after it was returned from the database.
func (m *PetMutation) ID() (id int, exists bool) {
	if m.id == nil {
		return
	}
	return *m.id, true
}

// IDs queries the database and returns the entity ids that match the mutation's predicate.
// That means, if the mutation is applied within a transaction with an isolation level such
// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
// or updated by the mutation.
func (m *PetMutation) IDs(ctx context.Context) ([]int, error) {
	switch {
	case m.op.Is(OpUpdateOne | OpDeleteOne):
		id, exists := m.ID()
		if exists {
			return []int{id}, nil
		}
		fallthrough
	case m.op.Is(OpUpdate | OpDelete):
		return m.Client().Pet.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetName sets the "name" field.
func (m *PetMutation) SetName(s string) {
	m.name = &s
}

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

// OldName returns the old "name" field's value of the Pet entity.
// If the Pet object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *PetMutation) OldName(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldName is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldName requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldName: %w", err)
	}
	return oldValue.Name, nil
}

// ResetName resets all changes to the "name" field.
func (m *PetMutation) ResetName() {
	m.name = nil
}

// SetOwnerID sets the "owner_id" field.
func (m *PetMutation) SetOwnerID(i int) {
	m.owner = &i
}

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

// OldOwnerID returns the old "owner_id" field's value of the Pet entity.
// If the Pet object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *PetMutation) OldOwnerID(ctx context.Context) (v int, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldOwnerID is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldOwnerID requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldOwnerID: %w", err)
	}
	return oldValue.OwnerID, nil
}

// ClearOwnerID clears the value of the "owner_id" field.
func (m *PetMutation) ClearOwnerID() {
	m.owner = nil
	m.clearedFields[pet.FieldOwnerID] = struct{}{}
}

// OwnerIDCleared returns if the "owner_id" field was cleared in this mutation.
func (m *PetMutation) OwnerIDCleared() bool {
	_, ok := m.clearedFields[pet.FieldOwnerID]
	return ok
}

// ResetOwnerID resets all changes to the "owner_id" field.
func (m *PetMutation) ResetOwnerID() {
	m.owner = nil
	delete(m.clearedFields, pet.FieldOwnerID)
}

// ClearOwner clears the "owner" edge to the User entity.
func (m *PetMutation) ClearOwner() {
	m.clearedowner = true
}

// OwnerCleared reports if the "owner" edge to the User entity was cleared.
func (m *PetMutation) OwnerCleared() bool {
	return m.OwnerIDCleared() || m.clearedowner
}

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

// ResetOwner resets all changes to the "owner" edge.
func (m *PetMutation) ResetOwner() {
	m.owner = nil
	m.clearedowner = false
}

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

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

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

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

// Type returns the node type of this mutation (Pet).
func (m *PetMutation) 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 *PetMutation) Fields() []string {
	fields := make([]string, 0, 2)
	if m.name != nil {
		fields = append(fields, pet.FieldName)
	}
	if m.owner != nil {
		fields = append(fields, pet.FieldOwnerID)
	}
	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 *PetMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case pet.FieldName:
		return m.Name()
	case pet.FieldOwnerID:
		return m.OwnerID()
	}
	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 *PetMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case pet.FieldName:
		return m.OldName(ctx)
	case pet.FieldOwnerID:
		return m.OldOwnerID(ctx)
	}
	return nil, fmt.Errorf("unknown Pet 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 *PetMutation) SetField(name string, value ent.Value) error {
	switch name {
	case pet.FieldName:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetName(v)
		return nil
	case pet.FieldOwnerID:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetOwnerID(v)
		return nil
	}
	return fmt.Errorf("unknown Pet field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *PetMutation) AddedFields() []string {
	var fields []string
	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 *PetMutation) AddedField(name string) (ent.Value, bool) {
	switch name {
	}
	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 *PetMutation) AddField(name string, value ent.Value) error {
	switch name {
	}
	return fmt.Errorf("unknown Pet numeric field %s", name)
}

// ClearedFields returns all nullable fields that were cleared during this
// mutation.
func (m *PetMutation) ClearedFields() []string {
	var fields []string
	if m.FieldCleared(pet.FieldOwnerID) {
		fields = append(fields, pet.FieldOwnerID)
	}
	return fields
}

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *PetMutation) 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 *PetMutation) ClearField(name string) error {
	switch name {
	case pet.FieldOwnerID:
		m.ClearOwnerID()
		return nil
	}
	return fmt.Errorf("unknown Pet 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 *PetMutation) ResetField(name string) error {
	switch name {
	case pet.FieldName:
		m.ResetName()
		return nil
	case pet.FieldOwnerID:
		m.ResetOwnerID()
		return nil
	}
	return fmt.Errorf("unknown Pet field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *PetMutation) AddedEdges() []string {
	edges := make([]string, 0, 1)
	if m.owner != nil {
		edges = append(edges, pet.EdgeOwner)
	}
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *PetMutation) AddedIDs(name string) []ent.Value {
	switch name {
	case pet.EdgeOwner:
		if id := m.owner; id != nil {
			return []ent.Value{*id}
		}
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *PetMutation) RemovedEdges() []string {
	edges := make([]string, 0, 1)
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *PetMutation) RemovedIDs(name string) []ent.Value {
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *PetMutation) ClearedEdges() []string {
	edges := make([]string, 0, 1)
	if m.clearedowner {
		edges = append(edges, pet.EdgeOwner)
	}
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *PetMutation) EdgeCleared(name string) bool {
	switch name {
	case pet.EdgeOwner:
		return m.clearedowner
	}
	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 *PetMutation) ClearEdge(name string) error {
	switch name {
	case pet.EdgeOwner:
		m.ClearOwner()
		return nil
	}
	return fmt.Errorf("unknown Pet 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 *PetMutation) ResetEdge(name string) error {
	switch name {
	case pet.EdgeOwner:
		m.ResetOwner()
		return nil
	}
	return fmt.Errorf("unknown Pet edge %s", name)
}

// UserMutation represents an operation that mutates the User nodes in the graph.
type UserMutation struct {
	config
	op                 Op
	typ                string
	id                 *int
	name               *string
	clearedFields      map[string]struct{}
	pets               map[int]struct{}
	removedpets        map[int]struct{}
	clearedpets        bool
	groups             map[int]struct{}
	removedgroups      map[int]struct{}
	clearedgroups      bool
	friends            map[int]struct{}
	removedfriends     map[int]struct{}
	clearedfriends     bool
	friendships        map[int]struct{}
	removedfriendships map[int]struct{}
	clearedfriendships bool
	done               bool
	oldValue           func(context.Context) (*User, error)
	predicates         []predicate.User
}

var _ ent.Mutation = (*UserMutation)(nil)

// userOption allows management of the mutation configuration using functional options.
type userOption func(*UserMutation)

// newUserMutation creates new mutation for the User entity.
func newUserMutation(c config, op Op, opts ...userOption) *UserMutation {
	m := &UserMutation{
		config:        c,
		op:            op,
		typ:           TypeUser,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// withUserID sets the ID field of the mutation.
func withUserID(id int) userOption {
	return func(m *UserMutation) {
		var (
			err   error
			once  sync.Once
			value *User
		)
		m.oldValue = func(ctx context.Context) (*User, error) {
			once.Do(func() {
				if m.done {
					err = errors.New("querying old values post mutation is not allowed")
				} else {
					value, err = m.Client().User.Get(ctx, id)
				}
			})
			return value, err
		}
		m.id = &id
	}
}

// withUser sets the old User of the mutation.
func withUser(node *User) userOption {
	return func(m *UserMutation) {
		m.oldValue = func(context.Context) (*User, error) {
			return node, nil
		}
		m.id = &node.ID
	}
}

// Client returns a new `ent.Client` from the mutation. If the mutation was
// executed in a transaction (ent.Tx), a transactional client is returned.
func (m UserMutation) Client() *Client {
	client := &Client{config: m.config}
	client.init()
	return client
}

// Tx returns an `ent.Tx` for mutations that were executed in transactions;
// it returns an error otherwise.
func (m UserMutation) Tx() (*Tx, error) {
	if _, ok := m.driver.(*txDriver); !ok {
		return nil, errors.New("ent: mutation is not running in a transaction")
	}
	tx := &Tx{config: m.config}
	tx.init()
	return tx, nil
}

// ID returns the ID value in the mutation. Note that the ID is only available
// if it was provided to the builder or after it was returned from the database.
func (m *UserMutation) ID() (id int, exists bool) {
	if m.id == nil {
		return
	}
	return *m.id, true
}

// IDs queries the database and returns the entity ids that match the mutation's predicate.
// That means, if the mutation is applied within a transaction with an isolation level such
// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
// or updated by the mutation.
func (m *UserMutation) IDs(ctx context.Context) ([]int, error) {
	switch {
	case m.op.Is(OpUpdateOne | OpDeleteOne):
		id, exists := m.ID()
		if exists {
			return []int{id}, nil
		}
		fallthrough
	case m.op.Is(OpUpdate | OpDelete):
		return m.Client().User.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetName sets the "name" field.
func (m *UserMutation) SetName(s string) {
	m.name = &s
}

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

// OldName returns the old "name" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldName(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldName is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldName requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldName: %w", err)
	}
	return oldValue.Name, nil
}

// ResetName resets all changes to the "name" field.
func (m *UserMutation) ResetName() {
	m.name = nil
}

// AddPetIDs adds the "pets" edge to the Pet entity by ids.
func (m *UserMutation) AddPetIDs(ids ...int) {
	if m.pets == nil {
		m.pets = make(map[int]struct{})
	}
	for i := range ids {
		m.pets[ids[i]] = struct{}{}
	}
}

// ClearPets clears the "pets" edge to the Pet entity.
func (m *UserMutation) ClearPets() {
	m.clearedpets = true
}

// PetsCleared reports if the "pets" edge to the Pet entity was cleared.
func (m *UserMutation) PetsCleared() bool {
	return m.clearedpets
}

// RemovePetIDs removes the "pets" edge to the Pet entity by IDs.
func (m *UserMutation) RemovePetIDs(ids ...int) {
	if m.removedpets == nil {
		m.removedpets = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.pets, ids[i])
		m.removedpets[ids[i]] = struct{}{}
	}
}

// RemovedPets returns the removed IDs of the "pets" edge to the Pet entity.
func (m *UserMutation) RemovedPetsIDs() (ids []int) {
	for id := range m.removedpets {
		ids = append(ids, id)
	}
	return
}

// PetsIDs returns the "pets" edge IDs in the mutation.
func (m *UserMutation) PetsIDs() (ids []int) {
	for id := range m.pets {
		ids = append(ids, id)
	}
	return
}

// ResetPets resets all changes to the "pets" edge.
func (m *UserMutation) ResetPets() {
	m.pets = nil
	m.clearedpets = false
	m.removedpets = nil
}

// AddGroupIDs adds the "groups" edge to the Group entity by ids.
func (m *UserMutation) AddGroupIDs(ids ...int) {
	if m.groups == nil {
		m.groups = make(map[int]struct{})
	}
	for i := range ids {
		m.groups[ids[i]] = struct{}{}
	}
}

// ClearGroups clears the "groups" edge to the Group entity.
func (m *UserMutation) ClearGroups() {
	m.clearedgroups = true
}

// GroupsCleared reports if the "groups" edge to the Group entity was cleared.
func (m *UserMutation) GroupsCleared() bool {
	return m.clearedgroups
}

// RemoveGroupIDs removes the "groups" edge to the Group entity by IDs.
func (m *UserMutation) RemoveGroupIDs(ids ...int) {
	if m.removedgroups == nil {
		m.removedgroups = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.groups, ids[i])
		m.removedgroups[ids[i]] = struct{}{}
	}
}

// RemovedGroups returns the removed IDs of the "groups" edge to the Group entity.
func (m *UserMutation) RemovedGroupsIDs() (ids []int) {
	for id := range m.removedgroups {
		ids = append(ids, id)
	}
	return
}

// GroupsIDs returns the "groups" edge IDs in the mutation.
func (m *UserMutation) GroupsIDs() (ids []int) {
	for id := range m.groups {
		ids = append(ids, id)
	}
	return
}

// ResetGroups resets all changes to the "groups" edge.
func (m *UserMutation) ResetGroups() {
	m.groups = nil
	m.clearedgroups = false
	m.removedgroups = nil
}

// AddFriendIDs adds the "friends" edge to the User entity by ids.
func (m *UserMutation) AddFriendIDs(ids ...int) {
	if m.friends == nil {
		m.friends = make(map[int]struct{})
	}
	for i := range ids {
		m.friends[ids[i]] = struct{}{}
	}
}

// ClearFriends clears the "friends" edge to the User entity.
func (m *UserMutation) ClearFriends() {
	m.clearedfriends = true
}

// FriendsCleared reports if the "friends" edge to the User entity was cleared.
func (m *UserMutation) FriendsCleared() bool {
	return m.clearedfriends
}

// RemoveFriendIDs removes the "friends" edge to the User entity by IDs.
func (m *UserMutation) RemoveFriendIDs(ids ...int) {
	if m.removedfriends == nil {
		m.removedfriends = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.friends, ids[i])
		m.removedfriends[ids[i]] = struct{}{}
	}
}

// RemovedFriends returns the removed IDs of the "friends" edge to the User entity.
func (m *UserMutation) RemovedFriendsIDs() (ids []int) {
	for id := range m.removedfriends {
		ids = append(ids, id)
	}
	return
}

// FriendsIDs returns the "friends" edge IDs in the mutation.
func (m *UserMutation) FriendsIDs() (ids []int) {
	for id := range m.friends {
		ids = append(ids, id)
	}
	return
}

// ResetFriends resets all changes to the "friends" edge.
func (m *UserMutation) ResetFriends() {
	m.friends = nil
	m.clearedfriends = false
	m.removedfriends = nil
}

// AddFriendshipIDs adds the "friendships" edge to the Friendship entity by ids.
func (m *UserMutation) AddFriendshipIDs(ids ...int) {
	if m.friendships == nil {
		m.friendships = make(map[int]struct{})
	}
	for i := range ids {
		m.friendships[ids[i]] = struct{}{}
	}
}

// ClearFriendships clears the "friendships" edge to the Friendship entity.
func (m *UserMutation) ClearFriendships() {
	m.clearedfriendships = true
}

// FriendshipsCleared reports if the "friendships" edge to the Friendship entity was cleared.
func (m *UserMutation) FriendshipsCleared() bool {
	return m.clearedfriendships
}

// RemoveFriendshipIDs removes the "friendships" edge to the Friendship entity by IDs.
func (m *UserMutation) RemoveFriendshipIDs(ids ...int) {
	if m.removedfriendships == nil {
		m.removedfriendships = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.friendships, ids[i])
		m.removedfriendships[ids[i]] = struct{}{}
	}
}

// RemovedFriendships returns the removed IDs of the "friendships" edge to the Friendship entity.
func (m *UserMutation) RemovedFriendshipsIDs() (ids []int) {
	for id := range m.removedfriendships {
		ids = append(ids, id)
	}
	return
}

// FriendshipsIDs returns the "friendships" edge IDs in the mutation.
func (m *UserMutation) FriendshipsIDs() (ids []int) {
	for id := range m.friendships {
		ids = append(ids, id)
	}
	return
}

// ResetFriendships resets all changes to the "friendships" edge.
func (m *UserMutation) ResetFriendships() {
	m.friendships = nil
	m.clearedfriendships = false
	m.removedfriendships = nil
}

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

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

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

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

// Type returns the node type of this mutation (User).
func (m *UserMutation) 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 *UserMutation) Fields() []string {
	fields := make([]string, 0, 1)
	if m.name != nil {
		fields = append(fields, user.FieldName)
	}
	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 *UserMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case user.FieldName:
		return m.Name()
	}
	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 *UserMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case user.FieldName:
		return m.OldName(ctx)
	}
	return nil, fmt.Errorf("unknown User 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 *UserMutation) SetField(name string, value ent.Value) error {
	switch name {
	case user.FieldName:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetName(v)
		return nil
	}
	return fmt.Errorf("unknown User field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *UserMutation) AddedFields() []string {
	return nil
}

// 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 *UserMutation) AddedField(name string) (ent.Value, bool) {
	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 *UserMutation) AddField(name string, value ent.Value) error {
	switch name {
	}
	return fmt.Errorf("unknown User numeric field %s", name)
}

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

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *UserMutation) 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 *UserMutation) ClearField(name string) error {
	return fmt.Errorf("unknown User 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 *UserMutation) ResetField(name string) error {
	switch name {
	case user.FieldName:
		m.ResetName()
		return nil
	}
	return fmt.Errorf("unknown User field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *UserMutation) AddedEdges() []string {
	edges := make([]string, 0, 4)
	if m.pets != nil {
		edges = append(edges, user.EdgePets)
	}
	if m.groups != nil {
		edges = append(edges, user.EdgeGroups)
	}
	if m.friends != nil {
		edges = append(edges, user.EdgeFriends)
	}
	if m.friendships != nil {
		edges = append(edges, user.EdgeFriendships)
	}
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *UserMutation) AddedIDs(name string) []ent.Value {
	switch name {
	case user.EdgePets:
		ids := make([]ent.Value, 0, len(m.pets))
		for id := range m.pets {
			ids = append(ids, id)
		}
		return ids
	case user.EdgeGroups:
		ids := make([]ent.Value, 0, len(m.groups))
		for id := range m.groups {
			ids = append(ids, id)
		}
		return ids
	case user.EdgeFriends:
		ids := make([]ent.Value, 0, len(m.friends))
		for id := range m.friends {
			ids = append(ids, id)
		}
		return ids
	case user.EdgeFriendships:
		ids := make([]ent.Value, 0, len(m.friendships))
		for id := range m.friendships {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *UserMutation) RemovedEdges() []string {
	edges := make([]string, 0, 4)
	if m.removedpets != nil {
		edges = append(edges, user.EdgePets)
	}
	if m.removedgroups != nil {
		edges = append(edges, user.EdgeGroups)
	}
	if m.removedfriends != nil {
		edges = append(edges, user.EdgeFriends)
	}
	if m.removedfriendships != nil {
		edges = append(edges, user.EdgeFriendships)
	}
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *UserMutation) RemovedIDs(name string) []ent.Value {
	switch name {
	case user.EdgePets:
		ids := make([]ent.Value, 0, len(m.removedpets))
		for id := range m.removedpets {
			ids = append(ids, id)
		}
		return ids
	case user.EdgeGroups:
		ids := make([]ent.Value, 0, len(m.removedgroups))
		for id := range m.removedgroups {
			ids = append(ids, id)
		}
		return ids
	case user.EdgeFriends:
		ids := make([]ent.Value, 0, len(m.removedfriends))
		for id := range m.removedfriends {
			ids = append(ids, id)
		}
		return ids
	case user.EdgeFriendships:
		ids := make([]ent.Value, 0, len(m.removedfriendships))
		for id := range m.removedfriendships {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *UserMutation) ClearedEdges() []string {
	edges := make([]string, 0, 4)
	if m.clearedpets {
		edges = append(edges, user.EdgePets)
	}
	if m.clearedgroups {
		edges = append(edges, user.EdgeGroups)
	}
	if m.clearedfriends {
		edges = append(edges, user.EdgeFriends)
	}
	if m.clearedfriendships {
		edges = append(edges, user.EdgeFriendships)
	}
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *UserMutation) EdgeCleared(name string) bool {
	switch name {
	case user.EdgePets:
		return m.clearedpets
	case user.EdgeGroups:
		return m.clearedgroups
	case user.EdgeFriends:
		return m.clearedfriends
	case user.EdgeFriendships:
		return m.clearedfriendships
	}
	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 *UserMutation) ClearEdge(name string) error {
	switch name {
	}
	return fmt.Errorf("unknown User 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 *UserMutation) ResetEdge(name string) error {
	switch name {
	case user.EdgePets:
		m.ResetPets()
		return nil
	case user.EdgeGroups:
		m.ResetGroups()
		return nil
	case user.EdgeFriends:
		m.ResetFriends()
		return nil
	case user.EdgeFriendships:
		m.ResetFriendships()
		return nil
	}
	return fmt.Errorf("unknown User edge %s", name)
}
