// 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 payment

import (
	"context"
	"fmt"
	"time"

	"entgo.io/ent"
	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/examples/migration/ent/predicate"
)

// Mutation represents an operation that mutates the Payment nodes in the graph.
type Mutation struct {
	op            ent.Op
	typ           string
	amount        *float64
	addamount     *float64
	currency      *Currency
	time          *time.Time
	description   *string
	status        *Status
	clearedFields map[string]struct{}
	card          *int
	clearedcard   bool
	predicates    []predicate.Payment
}

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

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

// SetCardID sets the "card_id" field.
func (m *Mutation) SetCardID(i int) {
	m.card = &i
}

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

// ResetCardID resets all changes to the "card_id" field.
func (m *Mutation) ResetCardID() {
	m.card = nil
}

// SetAmount sets the "amount" field.
func (m *Mutation) SetAmount(f float64) {
	m.amount = &f
	m.addamount = nil
}

// Amount returns the value of the "amount" field in the mutation.
func (m *Mutation) Amount() (r float64, exists bool) {
	v := m.amount
	if v == nil {
		return
	}
	return *v, true
}

// AddAmount adds f to the "amount" field.
func (m *Mutation) AddAmount(f float64) {
	if m.addamount != nil {
		*m.addamount += f
	} else {
		m.addamount = &f
	}
}

// AddedAmount returns the value that was added to the "amount" field in this mutation.
func (m *Mutation) AddedAmount() (r float64, exists bool) {
	v := m.addamount
	if v == nil {
		return
	}
	return *v, true
}

// ResetAmount resets all changes to the "amount" field.
func (m *Mutation) ResetAmount() {
	m.amount = nil
	m.addamount = nil
}

// SetCurrency sets the "currency" field.
func (m *Mutation) SetCurrency(pa Currency) {
	m.currency = &pa
}

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

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

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

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

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

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

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

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

// SetStatus sets the "status" field.
func (m *Mutation) SetStatus(pa Status) {
	m.status = &pa
}

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

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

// ClearCard clears the "card" edge to the Card entity.
func (m *Mutation) ClearCard() {
	m.clearedcard = true
	m.clearedFields[FieldCardID] = struct{}{}
}

// CardCleared reports if the "card" edge to the Card entity was cleared.
func (m *Mutation) CardCleared() bool {
	return m.clearedcard
}

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

// ResetCard resets all changes to the "card" edge.
func (m *Mutation) ResetCard() {
	m.card = nil
	m.clearedcard = false
}

// Where appends a list predicates to the Mutation builder.
func (m *Mutation) Where(ps ...predicate.Payment) {
	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.Payment, 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 (Payment).
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.card != nil {
		fields = append(fields, FieldCardID)
	}
	if m.amount != nil {
		fields = append(fields, FieldAmount)
	}
	if m.currency != nil {
		fields = append(fields, FieldCurrency)
	}
	if m.time != nil {
		fields = append(fields, FieldTime)
	}
	if m.description != nil {
		fields = append(fields, FieldDescription)
	}
	if m.status != nil {
		fields = append(fields, FieldStatus)
	}
	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 FieldCardID:
		return m.CardID()
	case FieldAmount:
		return m.Amount()
	case FieldCurrency:
		return m.Currency()
	case FieldTime:
		return m.Time()
	case FieldDescription:
		return m.Description()
	case FieldStatus:
		return m.Status()
	}
	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 Payment 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 FieldCardID:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetCardID(v)
		return nil
	case FieldAmount:
		v, ok := value.(float64)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetAmount(v)
		return nil
	case FieldCurrency:
		v, ok := value.(Currency)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetCurrency(v)
		return nil
	case FieldTime:
		v, ok := value.(time.Time)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetTime(v)
		return nil
	case FieldDescription:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetDescription(v)
		return nil
	case FieldStatus:
		v, ok := value.(Status)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetStatus(v)
		return nil
	}
	return fmt.Errorf("unknown Payment 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.addamount != nil {
		fields = append(fields, FieldAmount)
	}
	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 FieldAmount:
		return m.AddedAmount()
	}
	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 FieldAmount:
		v, ok := value.(float64)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.AddAmount(v)
		return nil
	}
	return fmt.Errorf("unknown Payment 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 Payment 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 FieldCardID:
		m.ResetCardID()
		return nil
	case FieldAmount:
		m.ResetAmount()
		return nil
	case FieldCurrency:
		m.ResetCurrency()
		return nil
	case FieldTime:
		m.ResetTime()
		return nil
	case FieldDescription:
		m.ResetDescription()
		return nil
	case FieldStatus:
		m.ResetStatus()
		return nil
	}
	return fmt.Errorf("unknown Payment 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.card != nil {
		edges = append(edges, EdgeCard)
	}
	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 EdgeCard:
		if id := m.card; 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.clearedcard {
		edges = append(edges, EdgeCard)
	}
	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 EdgeCard:
		return m.clearedcard
	}
	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 EdgeCard:
		m.ClearCard()
		return nil
	}
	return fmt.Errorf("unknown Payment 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 EdgeCard:
		m.ResetCard()
		return nil
	}
	return fmt.Errorf("unknown Payment edge %s", name)
}