// 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 (
	"fmt"

	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
)

const (
	// Label holds the string label denoting the payment type in the database.
	Label = "payment"
	// FieldID holds the string denoting the id field in the database.
	FieldID = "id"
	// FieldCardID holds the string denoting the card_id field in the database.
	FieldCardID = "card_id"
	// FieldAmount holds the string denoting the amount field in the database.
	FieldAmount = "amount"
	// FieldCurrency holds the string denoting the currency field in the database.
	FieldCurrency = "currency"
	// FieldTime holds the string denoting the time field in the database.
	FieldTime = "time"
	// FieldDescription holds the string denoting the description field in the database.
	FieldDescription = "description"
	// FieldStatus holds the string denoting the status field in the database.
	FieldStatus = "status"
	// EdgeCard holds the string denoting the card edge name in mutations.
	EdgeCard = "card"
	// Table holds the table name of the payment in the database.
	Table = "payments"
	// CardTable is the table that holds the card relation/edge.
	CardTable = "payments"
	// CardInverseTable is the table name for the Card entity.
	// It exists in this package in order to avoid circular dependency with the "card" package.
	CardInverseTable = "cards"
	// CardColumn is the table column denoting the card relation/edge.
	CardColumn = "card_id"
)

// Columns holds all SQL columns for payment fields.
var Columns = []string{
	FieldID,
	FieldCardID,
	FieldAmount,
	FieldCurrency,
	FieldTime,
	FieldDescription,
	FieldStatus,
}

// ValidColumn reports if the column name is valid (part of the table columns).
func ValidColumn(column string) bool {
	for i := range Columns {
		if column == Columns[i] {
			return true
		}
	}
	return false
}

var (
	// AmountValidator is a validator for the "amount" field. It is called by the builders before save.
	AmountValidator func(float64) error
)

// Currency defines the type for the "currency" enum field.
type Currency string

// Currency values.
const (
	CurrencyUSD Currency = "USD"
	CurrencyEUR Currency = "EUR"
	CurrencyVND Currency = "VND"
	CurrencyILS Currency = "ILS"
)

func (c Currency) String() string {
	return string(c)
}

// CurrencyValidator is a validator for the "currency" field enum values. It is called by the builders before save.
func CurrencyValidator(c Currency) error {
	switch c {
	case CurrencyUSD, CurrencyEUR, CurrencyVND, CurrencyILS:
		return nil
	default:
		return fmt.Errorf("payment: invalid enum value for currency field: %q", c)
	}
}

// Status defines the type for the "status" enum field.
type Status string

// Status values.
const (
	StatusPending   Status = "pending"
	StatusCompleted Status = "completed"
	StatusFailed    Status = "failed"
)

func (s Status) String() string {
	return string(s)
}

// StatusValidator is a validator for the "status" field enum values. It is called by the builders before save.
func StatusValidator(s Status) error {
	switch s {
	case StatusPending, StatusCompleted, StatusFailed:
		return nil
	default:
		return fmt.Errorf("payment: invalid enum value for status field: %q", s)
	}
}

// OrderOption defines the ordering options for the Payment queries.
type OrderOption func(*sql.Selector)

// ByID orders the results by the id field.
func ByID(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldID, opts...).ToFunc()
}

// ByCardID orders the results by the card_id field.
func ByCardID(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldCardID, opts...).ToFunc()
}

// ByAmount orders the results by the amount field.
func ByAmount(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldAmount, opts...).ToFunc()
}

// ByCurrency orders the results by the currency field.
func ByCurrency(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldCurrency, opts...).ToFunc()
}

// ByTime orders the results by the time field.
func ByTime(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldTime, opts...).ToFunc()
}

// ByDescription orders the results by the description field.
func ByDescription(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldDescription, opts...).ToFunc()
}

// ByStatus orders the results by the status field.
func ByStatus(opts ...sql.OrderTermOption) OrderOption {
	return sql.OrderByField(FieldStatus, opts...).ToFunc()
}

// ByCardField orders the results by card field.
func ByCardField(field string, opts ...sql.OrderTermOption) OrderOption {
	return func(s *sql.Selector) {
		sqlgraph.OrderByNeighborTerms(s, newCardStep(), sql.OrderByField(field, opts...))
	}
}
func newCardStep() *sqlgraph.Step {
	return sqlgraph.NewStep(
		sqlgraph.From(Table, FieldID),
		sqlgraph.To(CardInverseTable, FieldID),
		sqlgraph.Edge(sqlgraph.M2O, true, CardTable, CardColumn),
	)
}