// Code generated by gotdgen, DO NOT EDIT.

package tg

import (
	"context"
	"errors"
	"fmt"
	"sort"
	"strings"

	"go.uber.org/multierr"

	"github.com/gotd/td/bin"
	"github.com/gotd/td/tdjson"
	"github.com/gotd/td/tdp"
	"github.com/gotd/td/tgerr"
)

// No-op definition for keeping imports.
var (
	_ = bin.Buffer{}
	_ = context.Background()
	_ = fmt.Stringer(nil)
	_ = strings.Builder{}
	_ = errors.Is
	_ = multierr.AppendInto
	_ = sort.Ints
	_ = tdp.Format
	_ = tgerr.Error{}
	_ = tdjson.Encoder{}
)

// Invoice represents TL type `invoice#cd886e0`.
// Invoice
//
// See https://core.telegram.org/constructor/invoice for reference.
type Invoice struct {
	// Flags, see TL conditional fields¹
	//
	// Links:
	//  1) https://core.telegram.org/mtproto/TL-combinators#conditional-fields
	Flags bin.Fields
	// Test invoice
	Test bool
	// Set this flag if you require the user's full name to complete the order
	NameRequested bool
	// Set this flag if you require the user's phone number to complete the order
	PhoneRequested bool
	// Set this flag if you require the user's email address to complete the order
	EmailRequested bool
	// Set this flag if you require the user's shipping address to complete the order
	ShippingAddressRequested bool
	// Set this flag if the final price depends on the shipping method
	Flexible bool
	// Set this flag if user's phone number should be sent to provider
	PhoneToProvider bool
	// Set this flag if user's email address should be sent to provider
	EmailToProvider bool
	// Three-letter ISO 4217 currency¹ code
	//
	// Links:
	//  1) https://core.telegram.org/bots/payments#supported-currencies
	Currency string
	// Price breakdown, a list of components (e.g. product price, tax, discount, delivery
	// cost, delivery tax, bonus, etc.)
	Prices []LabeledPrice
	// The maximum accepted amount for tips in the smallest units of the currency (integer,
	// not float/double). For example, for a price of US$ 1.45 pass amount = 145. See the exp
	// parameter in currencies.json¹, it shows the number of digits past the decimal point
	// for each currency (2 for the majority of currencies).
	//
	// Links:
	//  1) https://core.telegram.org/bots/payments/currencies.json
	//
	// Use SetMaxTipAmount and GetMaxTipAmount helpers.
	MaxTipAmount int64
	// A vector of suggested amounts of tips in the smallest units of the currency (integer,
	// not float/double). At most 4 suggested tip amounts can be specified. The suggested tip
	// amounts must be positive, passed in a strictly increased order and must not exceed
	// max_tip_amount.
	//
	// Use SetSuggestedTipAmounts and GetSuggestedTipAmounts helpers.
	SuggestedTipAmounts []int64
}

// InvoiceTypeID is TL type id of Invoice.
const InvoiceTypeID = 0xcd886e0

// Ensuring interfaces in compile-time for Invoice.
var (
	_ bin.Encoder     = &Invoice{}
	_ bin.Decoder     = &Invoice{}
	_ bin.BareEncoder = &Invoice{}
	_ bin.BareDecoder = &Invoice{}
)

func (i *Invoice) Zero() bool {
	if i == nil {
		return true
	}
	if !(i.Flags.Zero()) {
		return false
	}
	if !(i.Test == false) {
		return false
	}
	if !(i.NameRequested == false) {
		return false
	}
	if !(i.PhoneRequested == false) {
		return false
	}
	if !(i.EmailRequested == false) {
		return false
	}
	if !(i.ShippingAddressRequested == false) {
		return false
	}
	if !(i.Flexible == false) {
		return false
	}
	if !(i.PhoneToProvider == false) {
		return false
	}
	if !(i.EmailToProvider == false) {
		return false
	}
	if !(i.Currency == "") {
		return false
	}
	if !(i.Prices == nil) {
		return false
	}
	if !(i.MaxTipAmount == 0) {
		return false
	}
	if !(i.SuggestedTipAmounts == nil) {
		return false
	}

	return true
}

// String implements fmt.Stringer.
func (i *Invoice) String() string {
	if i == nil {
		return "Invoice(nil)"
	}
	type Alias Invoice
	return fmt.Sprintf("Invoice%+v", Alias(*i))
}

// FillFrom fills Invoice from given interface.
func (i *Invoice) FillFrom(from interface {
	GetTest() (value bool)
	GetNameRequested() (value bool)
	GetPhoneRequested() (value bool)
	GetEmailRequested() (value bool)
	GetShippingAddressRequested() (value bool)
	GetFlexible() (value bool)
	GetPhoneToProvider() (value bool)
	GetEmailToProvider() (value bool)
	GetCurrency() (value string)
	GetPrices() (value []LabeledPrice)
	GetMaxTipAmount() (value int64, ok bool)
	GetSuggestedTipAmounts() (value []int64, ok bool)
}) {
	i.Test = from.GetTest()
	i.NameRequested = from.GetNameRequested()
	i.PhoneRequested = from.GetPhoneRequested()
	i.EmailRequested = from.GetEmailRequested()
	i.ShippingAddressRequested = from.GetShippingAddressRequested()
	i.Flexible = from.GetFlexible()
	i.PhoneToProvider = from.GetPhoneToProvider()
	i.EmailToProvider = from.GetEmailToProvider()
	i.Currency = from.GetCurrency()
	i.Prices = from.GetPrices()
	if val, ok := from.GetMaxTipAmount(); ok {
		i.MaxTipAmount = val
	}

	if val, ok := from.GetSuggestedTipAmounts(); ok {
		i.SuggestedTipAmounts = val
	}

}

// TypeID returns type id in TL schema.
//
// See https://core.telegram.org/mtproto/TL-tl#remarks.
func (*Invoice) TypeID() uint32 {
	return InvoiceTypeID
}

// TypeName returns name of type in TL schema.
func (*Invoice) TypeName() string {
	return "invoice"
}

// TypeInfo returns info about TL type.
func (i *Invoice) TypeInfo() tdp.Type {
	typ := tdp.Type{
		Name: "invoice",
		ID:   InvoiceTypeID,
	}
	if i == nil {
		typ.Null = true
		return typ
	}
	typ.Fields = []tdp.Field{
		{
			Name:       "Test",
			SchemaName: "test",
			Null:       !i.Flags.Has(0),
		},
		{
			Name:       "NameRequested",
			SchemaName: "name_requested",
			Null:       !i.Flags.Has(1),
		},
		{
			Name:       "PhoneRequested",
			SchemaName: "phone_requested",
			Null:       !i.Flags.Has(2),
		},
		{
			Name:       "EmailRequested",
			SchemaName: "email_requested",
			Null:       !i.Flags.Has(3),
		},
		{
			Name:       "ShippingAddressRequested",
			SchemaName: "shipping_address_requested",
			Null:       !i.Flags.Has(4),
		},
		{
			Name:       "Flexible",
			SchemaName: "flexible",
			Null:       !i.Flags.Has(5),
		},
		{
			Name:       "PhoneToProvider",
			SchemaName: "phone_to_provider",
			Null:       !i.Flags.Has(6),
		},
		{
			Name:       "EmailToProvider",
			SchemaName: "email_to_provider",
			Null:       !i.Flags.Has(7),
		},
		{
			Name:       "Currency",
			SchemaName: "currency",
		},
		{
			Name:       "Prices",
			SchemaName: "prices",
		},
		{
			Name:       "MaxTipAmount",
			SchemaName: "max_tip_amount",
			Null:       !i.Flags.Has(8),
		},
		{
			Name:       "SuggestedTipAmounts",
			SchemaName: "suggested_tip_amounts",
			Null:       !i.Flags.Has(8),
		},
	}
	return typ
}

// SetFlags sets flags for non-zero fields.
func (i *Invoice) SetFlags() {
	if !(i.Test == false) {
		i.Flags.Set(0)
	}
	if !(i.NameRequested == false) {
		i.Flags.Set(1)
	}
	if !(i.PhoneRequested == false) {
		i.Flags.Set(2)
	}
	if !(i.EmailRequested == false) {
		i.Flags.Set(3)
	}
	if !(i.ShippingAddressRequested == false) {
		i.Flags.Set(4)
	}
	if !(i.Flexible == false) {
		i.Flags.Set(5)
	}
	if !(i.PhoneToProvider == false) {
		i.Flags.Set(6)
	}
	if !(i.EmailToProvider == false) {
		i.Flags.Set(7)
	}
	if !(i.MaxTipAmount == 0) {
		i.Flags.Set(8)
	}
	if !(i.SuggestedTipAmounts == nil) {
		i.Flags.Set(8)
	}
}

// Encode implements bin.Encoder.
func (i *Invoice) Encode(b *bin.Buffer) error {
	if i == nil {
		return fmt.Errorf("can't encode invoice#cd886e0 as nil")
	}
	b.PutID(InvoiceTypeID)
	return i.EncodeBare(b)
}

// EncodeBare implements bin.BareEncoder.
func (i *Invoice) EncodeBare(b *bin.Buffer) error {
	if i == nil {
		return fmt.Errorf("can't encode invoice#cd886e0 as nil")
	}
	i.SetFlags()
	if err := i.Flags.Encode(b); err != nil {
		return fmt.Errorf("unable to encode invoice#cd886e0: field flags: %w", err)
	}
	b.PutString(i.Currency)
	b.PutVectorHeader(len(i.Prices))
	for idx, v := range i.Prices {
		if err := v.Encode(b); err != nil {
			return fmt.Errorf("unable to encode invoice#cd886e0: field prices element with index %d: %w", idx, err)
		}
	}
	if i.Flags.Has(8) {
		b.PutLong(i.MaxTipAmount)
	}
	if i.Flags.Has(8) {
		b.PutVectorHeader(len(i.SuggestedTipAmounts))
		for _, v := range i.SuggestedTipAmounts {
			b.PutLong(v)
		}
	}
	return nil
}

// Decode implements bin.Decoder.
func (i *Invoice) Decode(b *bin.Buffer) error {
	if i == nil {
		return fmt.Errorf("can't decode invoice#cd886e0 to nil")
	}
	if err := b.ConsumeID(InvoiceTypeID); err != nil {
		return fmt.Errorf("unable to decode invoice#cd886e0: %w", err)
	}
	return i.DecodeBare(b)
}

// DecodeBare implements bin.BareDecoder.
func (i *Invoice) DecodeBare(b *bin.Buffer) error {
	if i == nil {
		return fmt.Errorf("can't decode invoice#cd886e0 to nil")
	}
	{
		if err := i.Flags.Decode(b); err != nil {
			return fmt.Errorf("unable to decode invoice#cd886e0: field flags: %w", err)
		}
	}
	i.Test = i.Flags.Has(0)
	i.NameRequested = i.Flags.Has(1)
	i.PhoneRequested = i.Flags.Has(2)
	i.EmailRequested = i.Flags.Has(3)
	i.ShippingAddressRequested = i.Flags.Has(4)
	i.Flexible = i.Flags.Has(5)
	i.PhoneToProvider = i.Flags.Has(6)
	i.EmailToProvider = i.Flags.Has(7)
	{
		value, err := b.String()
		if err != nil {
			return fmt.Errorf("unable to decode invoice#cd886e0: field currency: %w", err)
		}
		i.Currency = value
	}
	{
		headerLen, err := b.VectorHeader()
		if err != nil {
			return fmt.Errorf("unable to decode invoice#cd886e0: field prices: %w", err)
		}

		if headerLen > 0 {
			i.Prices = make([]LabeledPrice, 0, headerLen%bin.PreallocateLimit)
		}
		for idx := 0; idx < headerLen; idx++ {
			var value LabeledPrice
			if err := value.Decode(b); err != nil {
				return fmt.Errorf("unable to decode invoice#cd886e0: field prices: %w", err)
			}
			i.Prices = append(i.Prices, value)
		}
	}
	if i.Flags.Has(8) {
		value, err := b.Long()
		if err != nil {
			return fmt.Errorf("unable to decode invoice#cd886e0: field max_tip_amount: %w", err)
		}
		i.MaxTipAmount = value
	}
	if i.Flags.Has(8) {
		headerLen, err := b.VectorHeader()
		if err != nil {
			return fmt.Errorf("unable to decode invoice#cd886e0: field suggested_tip_amounts: %w", err)
		}

		if headerLen > 0 {
			i.SuggestedTipAmounts = make([]int64, 0, headerLen%bin.PreallocateLimit)
		}
		for idx := 0; idx < headerLen; idx++ {
			value, err := b.Long()
			if err != nil {
				return fmt.Errorf("unable to decode invoice#cd886e0: field suggested_tip_amounts: %w", err)
			}
			i.SuggestedTipAmounts = append(i.SuggestedTipAmounts, value)
		}
	}
	return nil
}

// SetTest sets value of Test conditional field.
func (i *Invoice) SetTest(value bool) {
	if value {
		i.Flags.Set(0)
		i.Test = true
	} else {
		i.Flags.Unset(0)
		i.Test = false
	}
}

// GetTest returns value of Test conditional field.
func (i *Invoice) GetTest() (value bool) {
	if i == nil {
		return
	}
	return i.Flags.Has(0)
}

// SetNameRequested sets value of NameRequested conditional field.
func (i *Invoice) SetNameRequested(value bool) {
	if value {
		i.Flags.Set(1)
		i.NameRequested = true
	} else {
		i.Flags.Unset(1)
		i.NameRequested = false
	}
}

// GetNameRequested returns value of NameRequested conditional field.
func (i *Invoice) GetNameRequested() (value bool) {
	if i == nil {
		return
	}
	return i.Flags.Has(1)
}

// SetPhoneRequested sets value of PhoneRequested conditional field.
func (i *Invoice) SetPhoneRequested(value bool) {
	if value {
		i.Flags.Set(2)
		i.PhoneRequested = true
	} else {
		i.Flags.Unset(2)
		i.PhoneRequested = false
	}
}

// GetPhoneRequested returns value of PhoneRequested conditional field.
func (i *Invoice) GetPhoneRequested() (value bool) {
	if i == nil {
		return
	}
	return i.Flags.Has(2)
}

// SetEmailRequested sets value of EmailRequested conditional field.
func (i *Invoice) SetEmailRequested(value bool) {
	if value {
		i.Flags.Set(3)
		i.EmailRequested = true
	} else {
		i.Flags.Unset(3)
		i.EmailRequested = false
	}
}

// GetEmailRequested returns value of EmailRequested conditional field.
func (i *Invoice) GetEmailRequested() (value bool) {
	if i == nil {
		return
	}
	return i.Flags.Has(3)
}

// SetShippingAddressRequested sets value of ShippingAddressRequested conditional field.
func (i *Invoice) SetShippingAddressRequested(value bool) {
	if value {
		i.Flags.Set(4)
		i.ShippingAddressRequested = true
	} else {
		i.Flags.Unset(4)
		i.ShippingAddressRequested = false
	}
}

// GetShippingAddressRequested returns value of ShippingAddressRequested conditional field.
func (i *Invoice) GetShippingAddressRequested() (value bool) {
	if i == nil {
		return
	}
	return i.Flags.Has(4)
}

// SetFlexible sets value of Flexible conditional field.
func (i *Invoice) SetFlexible(value bool) {
	if value {
		i.Flags.Set(5)
		i.Flexible = true
	} else {
		i.Flags.Unset(5)
		i.Flexible = false
	}
}

// GetFlexible returns value of Flexible conditional field.
func (i *Invoice) GetFlexible() (value bool) {
	if i == nil {
		return
	}
	return i.Flags.Has(5)
}

// SetPhoneToProvider sets value of PhoneToProvider conditional field.
func (i *Invoice) SetPhoneToProvider(value bool) {
	if value {
		i.Flags.Set(6)
		i.PhoneToProvider = true
	} else {
		i.Flags.Unset(6)
		i.PhoneToProvider = false
	}
}

// GetPhoneToProvider returns value of PhoneToProvider conditional field.
func (i *Invoice) GetPhoneToProvider() (value bool) {
	if i == nil {
		return
	}
	return i.Flags.Has(6)
}

// SetEmailToProvider sets value of EmailToProvider conditional field.
func (i *Invoice) SetEmailToProvider(value bool) {
	if value {
		i.Flags.Set(7)
		i.EmailToProvider = true
	} else {
		i.Flags.Unset(7)
		i.EmailToProvider = false
	}
}

// GetEmailToProvider returns value of EmailToProvider conditional field.
func (i *Invoice) GetEmailToProvider() (value bool) {
	if i == nil {
		return
	}
	return i.Flags.Has(7)
}

// GetCurrency returns value of Currency field.
func (i *Invoice) GetCurrency() (value string) {
	if i == nil {
		return
	}
	return i.Currency
}

// GetPrices returns value of Prices field.
func (i *Invoice) GetPrices() (value []LabeledPrice) {
	if i == nil {
		return
	}
	return i.Prices
}

// SetMaxTipAmount sets value of MaxTipAmount conditional field.
func (i *Invoice) SetMaxTipAmount(value int64) {
	i.Flags.Set(8)
	i.MaxTipAmount = value
}

// GetMaxTipAmount returns value of MaxTipAmount conditional field and
// boolean which is true if field was set.
func (i *Invoice) GetMaxTipAmount() (value int64, ok bool) {
	if i == nil {
		return
	}
	if !i.Flags.Has(8) {
		return value, false
	}
	return i.MaxTipAmount, true
}

// SetSuggestedTipAmounts sets value of SuggestedTipAmounts conditional field.
func (i *Invoice) SetSuggestedTipAmounts(value []int64) {
	i.Flags.Set(8)
	i.SuggestedTipAmounts = value
}

// GetSuggestedTipAmounts returns value of SuggestedTipAmounts conditional field and
// boolean which is true if field was set.
func (i *Invoice) GetSuggestedTipAmounts() (value []int64, ok bool) {
	if i == nil {
		return
	}
	if !i.Flags.Has(8) {
		return value, false
	}
	return i.SuggestedTipAmounts, true
}