// 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 device

import (
	"context"
	"fmt"

	"entgo.io/ent"
	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/entc/integration/customid/ent/predicate"
	"entgo.io/ent/entc/integration/customid/ent/schema"
)

// Mutation represents an operation that mutates the Device nodes in the graph.
type Mutation struct {
	op                    ent.Op
	typ                   string
	clearedFields         map[string]struct{}
	active_session        *schema.ID
	clearedactive_session bool
	sessions              map[schema.ID]struct{}
	removedsessions       map[schema.ID]struct{}
	clearedsessions       bool
	predicates            []predicate.Device
}

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

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

// SetActiveSessionID sets the "active_session" edge to the Session entity by id.
func (m *Mutation) SetActiveSessionID(id schema.ID) {
	m.active_session = &id
}

// ClearActiveSession clears the "active_session" edge to the Session entity.
func (m *Mutation) ClearActiveSession() {
	m.clearedactive_session = true
}

// ActiveSessionCleared reports if the "active_session" edge to the Session entity was cleared.
func (m *Mutation) ActiveSessionCleared() bool {
	return m.clearedactive_session
}

// ActiveSessionID returns the "active_session" edge ID in the mutation.
func (m *Mutation) ActiveSessionID() (id schema.ID, exists bool) {
	if m.active_session != nil {
		return *m.active_session, true
	}
	return
}

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

// ResetActiveSession resets all changes to the "active_session" edge.
func (m *Mutation) ResetActiveSession() {
	m.active_session = nil
	m.clearedactive_session = false
}

// AddSessionIDs adds the "sessions" edge to the Session entity by ids.
func (m *Mutation) AddSessionIDs(ids ...schema.ID) {
	if m.sessions == nil {
		m.sessions = make(map[schema.ID]struct{})
	}
	for i := range ids {
		m.sessions[ids[i]] = struct{}{}
	}
}

// ClearSessions clears the "sessions" edge to the Session entity.
func (m *Mutation) ClearSessions() {
	m.clearedsessions = true
}

// SessionsCleared reports if the "sessions" edge to the Session entity was cleared.
func (m *Mutation) SessionsCleared() bool {
	return m.clearedsessions
}

// RemoveSessionIDs removes the "sessions" edge to the Session entity by IDs.
func (m *Mutation) RemoveSessionIDs(ids ...schema.ID) {
	if m.removedsessions == nil {
		m.removedsessions = make(map[schema.ID]struct{})
	}
	for i := range ids {
		delete(m.sessions, ids[i])
		m.removedsessions[ids[i]] = struct{}{}
	}
}

// RemovedSessions returns the removed IDs of the "sessions" edge to the Session entity.
func (m *Mutation) RemovedSessionsIDs() (ids []schema.ID) {
	for id := range m.removedsessions {
		ids = append(ids, id)
	}
	return
}

// SessionsIDs returns the "sessions" edge IDs in the mutation.
func (m *Mutation) SessionsIDs() (ids []schema.ID) {
	for id := range m.sessions {
		ids = append(ids, id)
	}
	return
}

// ResetSessions resets all changes to the "sessions" edge.
func (m *Mutation) ResetSessions() {
	m.sessions = nil
	m.clearedsessions = false
	m.removedsessions = nil
}

// Where appends a list predicates to the Mutation builder.
func (m *Mutation) Where(ps ...predicate.Device) {
	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.Device, 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 (Device).
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, 0)
	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) {
	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 Device 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 {
	}
	return fmt.Errorf("unknown Device field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *Mutation) 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 *Mutation) 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 *Mutation) AddField(name string, value ent.Value) error {
	return fmt.Errorf("unknown Device 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 Device 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 {
	return fmt.Errorf("unknown Device 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.active_session != nil {
		edges = append(edges, EdgeActiveSession)
	}
	if m.sessions != nil {
		edges = append(edges, EdgeSessions)
	}
	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 EdgeActiveSession:
		if id := m.active_session; id != nil {
			return []ent.Value{*id}
		}
	case EdgeSessions:
		ids := make([]ent.Value, 0, len(m.sessions))
		for id := range m.sessions {
			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.removedsessions != nil {
		edges = append(edges, EdgeSessions)
	}
	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 EdgeSessions:
		ids := make([]ent.Value, 0, len(m.removedsessions))
		for id := range m.removedsessions {
			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.clearedactive_session {
		edges = append(edges, EdgeActiveSession)
	}
	if m.clearedsessions {
		edges = append(edges, EdgeSessions)
	}
	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 EdgeActiveSession:
		return m.clearedactive_session
	case EdgeSessions:
		return m.clearedsessions
	}
	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 EdgeActiveSession:
		m.ClearActiveSession()
		return nil
	}
	return fmt.Errorf("unknown Device 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 EdgeActiveSession:
		m.ResetActiveSession()
		return nil
	case EdgeSessions:
		m.ResetSessions()
		return nil
	}
	return fmt.Errorf("unknown Device edge %s", name)
}