// 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 session

import (
	"context"
	"fmt"
	"time"

	"entgo.io/ent"
	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/examples/migration/ent/predicate"
	"github.com/google/uuid"
)

// Mutation represents an operation that mutates the Session nodes in the graph.
type Mutation struct {
	op            ent.Op
	typ           string
	active        *bool
	issued_at     *time.Time
	expires_at    *time.Time
	token         *string
	method        *map[string]interface{}
	clearedFields map[string]struct{}
	device        *uuid.UUID
	cleareddevice bool
	predicates    []predicate.Session
}

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

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

// SetActive sets the "active" field.
func (m *Mutation) SetActive(b bool) {
	m.active = &b
}

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

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

// SetIssuedAt sets the "issued_at" field.
func (m *Mutation) SetIssuedAt(t time.Time) {
	m.issued_at = &t
}

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

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

// SetExpiresAt sets the "expires_at" field.
func (m *Mutation) SetExpiresAt(t time.Time) {
	m.expires_at = &t
}

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

// ClearExpiresAt clears the value of the "expires_at" field.
func (m *Mutation) ClearExpiresAt() {
	m.expires_at = nil
	m.clearedFields[FieldExpiresAt] = struct{}{}
}

// ExpiresAtCleared returns if the "expires_at" field was cleared in this mutation.
func (m *Mutation) ExpiresAtCleared() bool {
	_, ok := m.clearedFields[FieldExpiresAt]
	return ok
}

// ResetExpiresAt resets all changes to the "expires_at" field.
func (m *Mutation) ResetExpiresAt() {
	m.expires_at = nil
	delete(m.clearedFields, FieldExpiresAt)
}

// SetToken sets the "token" field.
func (m *Mutation) SetToken(s string) {
	m.token = &s
}

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

// ClearToken clears the value of the "token" field.
func (m *Mutation) ClearToken() {
	m.token = nil
	m.clearedFields[FieldToken] = struct{}{}
}

// TokenCleared returns if the "token" field was cleared in this mutation.
func (m *Mutation) TokenCleared() bool {
	_, ok := m.clearedFields[FieldToken]
	return ok
}

// ResetToken resets all changes to the "token" field.
func (m *Mutation) ResetToken() {
	m.token = nil
	delete(m.clearedFields, FieldToken)
}

// SetMethod sets the "method" field.
func (m *Mutation) SetMethod(value map[string]interface{}) {
	m.method = &value
}

// Method returns the value of the "method" field in the mutation.
func (m *Mutation) Method() (r map[string]interface{}, exists bool) {
	v := m.method
	if v == nil {
		return
	}
	return *v, true
}

// ClearMethod clears the value of the "method" field.
func (m *Mutation) ClearMethod() {
	m.method = nil
	m.clearedFields[FieldMethod] = struct{}{}
}

// MethodCleared returns if the "method" field was cleared in this mutation.
func (m *Mutation) MethodCleared() bool {
	_, ok := m.clearedFields[FieldMethod]
	return ok
}

// ResetMethod resets all changes to the "method" field.
func (m *Mutation) ResetMethod() {
	m.method = nil
	delete(m.clearedFields, FieldMethod)
}

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

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

// ClearDeviceID clears the value of the "device_id" field.
func (m *Mutation) ClearDeviceID() {
	m.device = nil
	m.clearedFields[FieldDeviceID] = struct{}{}
}

// DeviceIDCleared returns if the "device_id" field was cleared in this mutation.
func (m *Mutation) DeviceIDCleared() bool {
	_, ok := m.clearedFields[FieldDeviceID]
	return ok
}

// ResetDeviceID resets all changes to the "device_id" field.
func (m *Mutation) ResetDeviceID() {
	m.device = nil
	delete(m.clearedFields, FieldDeviceID)
}

// ClearDevice clears the "device" edge to the SessionDevice entity.
func (m *Mutation) ClearDevice() {
	m.cleareddevice = true
	m.clearedFields[FieldDeviceID] = struct{}{}
}

// DeviceCleared reports if the "device" edge to the SessionDevice entity was cleared.
func (m *Mutation) DeviceCleared() bool {
	return m.DeviceIDCleared() || m.cleareddevice
}

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

// ResetDevice resets all changes to the "device" edge.
func (m *Mutation) ResetDevice() {
	m.device = nil
	m.cleareddevice = false
}

// Where appends a list predicates to the Mutation builder.
func (m *Mutation) Where(ps ...predicate.Session) {
	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.Session, 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 (Session).
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, 6)
	if m.active != nil {
		fields = append(fields, FieldActive)
	}
	if m.issued_at != nil {
		fields = append(fields, FieldIssuedAt)
	}
	if m.expires_at != nil {
		fields = append(fields, FieldExpiresAt)
	}
	if m.token != nil {
		fields = append(fields, FieldToken)
	}
	if m.method != nil {
		fields = append(fields, FieldMethod)
	}
	if m.device != nil {
		fields = append(fields, FieldDeviceID)
	}
	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 FieldActive:
		return m.Active()
	case FieldIssuedAt:
		return m.IssuedAt()
	case FieldExpiresAt:
		return m.ExpiresAt()
	case FieldToken:
		return m.Token()
	case FieldMethod:
		return m.Method()
	case FieldDeviceID:
		return m.DeviceID()
	}
	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 Session 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 FieldActive:
		v, ok := value.(bool)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetActive(v)
		return nil
	case FieldIssuedAt:
		v, ok := value.(time.Time)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetIssuedAt(v)
		return nil
	case FieldExpiresAt:
		v, ok := value.(time.Time)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetExpiresAt(v)
		return nil
	case FieldToken:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetToken(v)
		return nil
	case FieldMethod:
		v, ok := value.(map[string]interface{})
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetMethod(v)
		return nil
	case FieldDeviceID:
		v, ok := value.(uuid.UUID)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetDeviceID(v)
		return nil
	}
	return fmt.Errorf("unknown Session 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 {
	switch name {
	}
	return fmt.Errorf("unknown Session numeric field %s", name)
}

// ClearedFields returns all nullable fields that were cleared during this
// mutation.
func (m *Mutation) ClearedFields() []string {
	var fields []string
	if m.FieldCleared(FieldExpiresAt) {
		fields = append(fields, FieldExpiresAt)
	}
	if m.FieldCleared(FieldToken) {
		fields = append(fields, FieldToken)
	}
	if m.FieldCleared(FieldMethod) {
		fields = append(fields, FieldMethod)
	}
	if m.FieldCleared(FieldDeviceID) {
		fields = append(fields, FieldDeviceID)
	}
	return fields
}

// 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 {
	switch name {
	case FieldExpiresAt:
		m.ClearExpiresAt()
		return nil
	case FieldToken:
		m.ClearToken()
		return nil
	case FieldMethod:
		m.ClearMethod()
		return nil
	case FieldDeviceID:
		m.ClearDeviceID()
		return nil
	}
	return fmt.Errorf("unknown Session 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 FieldActive:
		m.ResetActive()
		return nil
	case FieldIssuedAt:
		m.ResetIssuedAt()
		return nil
	case FieldExpiresAt:
		m.ResetExpiresAt()
		return nil
	case FieldToken:
		m.ResetToken()
		return nil
	case FieldMethod:
		m.ResetMethod()
		return nil
	case FieldDeviceID:
		m.ResetDeviceID()
		return nil
	}
	return fmt.Errorf("unknown Session field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *Mutation) AddedEdges() []string {
	edges := make([]string, 0, 1)
	if m.device != nil {
		edges = append(edges, EdgeDevice)
	}
	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 EdgeDevice:
		if id := m.device; id != nil {
			return []ent.Value{*id}
		}
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *Mutation) 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 *Mutation) RemovedIDs(name string) []ent.Value {
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *Mutation) ClearedEdges() []string {
	edges := make([]string, 0, 1)
	if m.cleareddevice {
		edges = append(edges, EdgeDevice)
	}
	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 EdgeDevice:
		return m.cleareddevice
	}
	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 EdgeDevice:
		m.ClearDevice()
		return nil
	}
	return fmt.Errorf("unknown Session 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 EdgeDevice:
		m.ResetDevice()
		return nil
	}
	return fmt.Errorf("unknown Session edge %s", name)
}