Source File
	tl_forum_topic_gen.go

Belonging Package
	github.com/gotd/td/tg

// 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{}
)

// ForumTopicDeleted represents TL type `forumTopicDeleted#23f109b`.
// Represents a deleted forum topic.
//
// See https://core.telegram.org/constructor/forumTopicDeleted for reference.
type ForumTopicDeleted struct {
	// The ID of the deleted forum topic.
	ID int
}

// ForumTopicDeletedTypeID is TL type id of ForumTopicDeleted.
const ForumTopicDeletedTypeID = 0x23f109b

// construct implements constructor of ForumTopicClass.
func (f ForumTopicDeleted) construct() ForumTopicClass { return &f }

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

	_ ForumTopicClass = &ForumTopicDeleted{}
)

func (f *ForumTopicDeleted) Zero() bool {
	if f == nil {
		return true
	}
	if !(f.ID == 0) {
		return false
	}

	return true
}

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

// FillFrom fills ForumTopicDeleted from given interface.
func (f *ForumTopicDeleted) FillFrom(from interface {
	GetID() (value int)
}) {
	f.ID = from.GetID()
}

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

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

// TypeInfo returns info about TL type.
func (f *ForumTopicDeleted) TypeInfo() tdp.Type {
	typ := tdp.Type{
		Name: "forumTopicDeleted",
		ID:   ForumTopicDeletedTypeID,
	}
	if f == nil {
		typ.Null = true
		return typ
	}
	typ.Fields = []tdp.Field{
		{
			Name:       "ID",
			SchemaName: "id",
		},
	}
	return typ
}

// Encode implements bin.Encoder.
func (f *ForumTopicDeleted) Encode(b *bin.Buffer) error {
	if f == nil {
		return fmt.Errorf("can't encode forumTopicDeleted#23f109b as nil")
	}
	b.PutID(ForumTopicDeletedTypeID)
	return f.EncodeBare(b)
}

// EncodeBare implements bin.BareEncoder.
func (f *ForumTopicDeleted) EncodeBare(b *bin.Buffer) error {
	if f == nil {
		return fmt.Errorf("can't encode forumTopicDeleted#23f109b as nil")
	}
	b.PutInt(f.ID)
	return nil
}

// Decode implements bin.Decoder.
func (f *ForumTopicDeleted) Decode(b *bin.Buffer) error {
	if f == nil {
		return fmt.Errorf("can't decode forumTopicDeleted#23f109b to nil")
	}
	if err := b.ConsumeID(ForumTopicDeletedTypeID); err != nil {
		return fmt.Errorf("unable to decode forumTopicDeleted#23f109b: %w", err)
	}
	return f.DecodeBare(b)
}

// DecodeBare implements bin.BareDecoder.
func (f *ForumTopicDeleted) DecodeBare(b *bin.Buffer) error {
	if f == nil {
		return fmt.Errorf("can't decode forumTopicDeleted#23f109b to nil")
	}
	{
		value, err := b.Int()
		if err != nil {
			return fmt.Errorf("unable to decode forumTopicDeleted#23f109b: field id: %w", err)
		}
		f.ID = value
	}
	return nil
}

// GetID returns value of ID field.
func (f *ForumTopicDeleted) GetID() (value int) {
	if f == nil {
		return
	}
	return f.ID
}

// ForumTopic represents TL type `forumTopic#71701da9`.
// Represents a forum topic¹.
//
// Links:
//  1. https://core.telegram.org/api/forum#forum-topics
//
// See https://core.telegram.org/constructor/forumTopic for reference.
type ForumTopic struct {
	// Flags, see TL conditional fields¹
	//
	// Links:
	//  1) https://core.telegram.org/mtproto/TL-combinators#conditional-fields
	Flags bin.Fields
	// Whether the topic was created by the current user
	My bool
	// Whether the topic is closed (no messages can be sent to it)
	Closed bool
	// Whether the topic is pinned
	Pinned bool
	// Whether this constructor is a reduced version of the full topic information. If set,
	// only the my, closed, id, date, title, icon_color, icon_emoji_id and from_id parameters
	// will contain valid information. Reduced info is usually only returned in topic-related
	// admin log events »¹ and in the messages.channelMessages² constructor: if needed,
	// full information can be fetched using channels.getForumTopicsByID³.
	//
	// Links:
	//  1) https://core.telegram.org/api/recent-actions
	//  2) https://core.telegram.org/constructor/messages.channelMessages
	//  3) https://core.telegram.org/method/channels.getForumTopicsByID
	Short bool
	// Whether the topic is hidden (only valid for the "General" topic, id=1)
	Hidden bool
	// Topic ID¹
	//
	// Links:
	//  1) https://core.telegram.org/api/forum#forum-topics
	ID int
	// Topic creation date
	Date int
	// Topic title
	Title string
	// If no custom emoji icon is specified, specifies the color of the fallback topic icon
	// (RGB), one of 0x6FB9F0, 0xFFD67E, 0xCB86DB, 0x8EEE98, 0xFF93B2, or 0xFB6F5F.
	IconColor int
	// ID of the custom emoji¹ used as topic icon.
	//
	// Links:
	//  1) https://core.telegram.org/api/custom-emoji
	//
	// Use SetIconEmojiID and GetIconEmojiID helpers.
	IconEmojiID int64
	// ID of the last message that was sent to this topic
	TopMessage int
	// Position up to which all incoming messages are read.
	ReadInboxMaxID int
	// Position up to which all outgoing messages are read.
	ReadOutboxMaxID int
	// Number of unread messages
	UnreadCount int
	// Number of unread mentions¹
	//
	// Links:
	//  1) https://core.telegram.org/api/mentions
	UnreadMentionsCount int
	// Number of unread reactions to messages you sent
	UnreadReactionsCount int
	// ID of the peer that created the topic
	FromID PeerClass
	// Notification settings
	NotifySettings PeerNotifySettings
	// Message draft¹
	//
	// Links:
	//  1) https://core.telegram.org/api/drafts
	//
	// Use SetDraft and GetDraft helpers.
	Draft DraftMessageClass
}

// ForumTopicTypeID is TL type id of ForumTopic.
const ForumTopicTypeID = 0x71701da9

// construct implements constructor of ForumTopicClass.
func (f ForumTopic) construct() ForumTopicClass { return &f }

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

	_ ForumTopicClass = &ForumTopic{}
)

func (f *ForumTopic) Zero() bool {
	if f == nil {
		return true
	}
	if !(f.Flags.Zero()) {
		return false
	}
	if !(f.My == false) {
		return false
	}
	if !(f.Closed == false) {
		return false
	}
	if !(f.Pinned == false) {
		return false
	}
	if !(f.Short == false) {
		return false
	}
	if !(f.Hidden == false) {
		return false
	}
	if !(f.ID == 0) {
		return false
	}
	if !(f.Date == 0) {
		return false
	}
	if !(f.Title == "") {
		return false
	}
	if !(f.IconColor == 0) {
		return false
	}
	if !(f.IconEmojiID == 0) {
		return false
	}
	if !(f.TopMessage == 0) {
		return false
	}
	if !(f.ReadInboxMaxID == 0) {
		return false
	}
	if !(f.ReadOutboxMaxID == 0) {
		return false
	}
	if !(f.UnreadCount == 0) {
		return false
	}
	if !(f.UnreadMentionsCount == 0) {
		return false
	}
	if !(f.UnreadReactionsCount == 0) {
		return false
	}
	if !(f.FromID == nil) {
		return false
	}
	if !(f.NotifySettings.Zero()) {
		return false
	}
	if !(f.Draft == nil) {
		return false
	}

	return true
}

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

// FillFrom fills ForumTopic from given interface.
func (f *ForumTopic) FillFrom(from interface {
	GetMy() (value bool)
	GetClosed() (value bool)
	GetPinned() (value bool)
	GetShort() (value bool)
	GetHidden() (value bool)
	GetID() (value int)
	GetDate() (value int)
	GetTitle() (value string)
	GetIconColor() (value int)
	GetIconEmojiID() (value int64, ok bool)
	GetTopMessage() (value int)
	GetReadInboxMaxID() (value int)
	GetReadOutboxMaxID() (value int)
	GetUnreadCount() (value int)
	GetUnreadMentionsCount() (value int)
	GetUnreadReactionsCount() (value int)
	GetFromID() (value PeerClass)
	GetNotifySettings() (value PeerNotifySettings)
	GetDraft() (value DraftMessageClass, ok bool)
}) {
	f.My = from.GetMy()
	f.Closed = from.GetClosed()
	f.Pinned = from.GetPinned()
	f.Short = from.GetShort()
	f.Hidden = from.GetHidden()
	f.ID = from.GetID()
	f.Date = from.GetDate()
	f.Title = from.GetTitle()
	f.IconColor = from.GetIconColor()
	if val, ok := from.GetIconEmojiID(); ok {
		f.IconEmojiID = val
	}

	f.TopMessage = from.GetTopMessage()
	f.ReadInboxMaxID = from.GetReadInboxMaxID()
	f.ReadOutboxMaxID = from.GetReadOutboxMaxID()
	f.UnreadCount = from.GetUnreadCount()
	f.UnreadMentionsCount = from.GetUnreadMentionsCount()
	f.UnreadReactionsCount = from.GetUnreadReactionsCount()
	f.FromID = from.GetFromID()
	f.NotifySettings = from.GetNotifySettings()
	if val, ok := from.GetDraft(); ok {
		f.Draft = val
	}

}

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

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

// TypeInfo returns info about TL type.
func (f *ForumTopic) TypeInfo() tdp.Type {
	typ := tdp.Type{
		Name: "forumTopic",
		ID:   ForumTopicTypeID,
	}
	if f == nil {
		typ.Null = true
		return typ
	}
	typ.Fields = []tdp.Field{
		{
			Name:       "My",
			SchemaName: "my",
			Null:       !f.Flags.Has(1),
		},
		{
			Name:       "Closed",
			SchemaName: "closed",
			Null:       !f.Flags.Has(2),
		},
		{
			Name:       "Pinned",
			SchemaName: "pinned",
			Null:       !f.Flags.Has(3),
		},
		{
			Name:       "Short",
			SchemaName: "short",
			Null:       !f.Flags.Has(5),
		},
		{
			Name:       "Hidden",
			SchemaName: "hidden",
			Null:       !f.Flags.Has(6),
		},
		{
			Name:       "ID",
			SchemaName: "id",
		},
		{
			Name:       "Date",
			SchemaName: "date",
		},
		{
			Name:       "Title",
			SchemaName: "title",
		},
		{
			Name:       "IconColor",
			SchemaName: "icon_color",
		},
		{
			Name:       "IconEmojiID",
			SchemaName: "icon_emoji_id",
			Null:       !f.Flags.Has(0),
		},
		{
			Name:       "TopMessage",
			SchemaName: "top_message",
		},
		{
			Name:       "ReadInboxMaxID",
			SchemaName: "read_inbox_max_id",
		},
		{
			Name:       "ReadOutboxMaxID",
			SchemaName: "read_outbox_max_id",
		},
		{
			Name:       "UnreadCount",
			SchemaName: "unread_count",
		},
		{
			Name:       "UnreadMentionsCount",
			SchemaName: "unread_mentions_count",
		},
		{
			Name:       "UnreadReactionsCount",
			SchemaName: "unread_reactions_count",
		},
		{
			Name:       "FromID",
			SchemaName: "from_id",
		},
		{
			Name:       "NotifySettings",
			SchemaName: "notify_settings",
		},
		{
			Name:       "Draft",
			SchemaName: "draft",
			Null:       !f.Flags.Has(4),
		},
	}
	return typ
}

// SetFlags sets flags for non-zero fields.
func (f *ForumTopic) SetFlags() {
	if !(f.My == false) {
		f.Flags.Set(1)
	}
	if !(f.Closed == false) {
		f.Flags.Set(2)
	}
	if !(f.Pinned == false) {
		f.Flags.Set(3)
	}
	if !(f.Short == false) {
		f.Flags.Set(5)
	}
	if !(f.Hidden == false) {
		f.Flags.Set(6)
	}
	if !(f.IconEmojiID == 0) {
		f.Flags.Set(0)
	}
	if !(f.Draft == nil) {
		f.Flags.Set(4)
	}
}

// Encode implements bin.Encoder.
func (f *ForumTopic) Encode(b *bin.Buffer) error {
	if f == nil {
		return fmt.Errorf("can't encode forumTopic#71701da9 as nil")
	}
	b.PutID(ForumTopicTypeID)
	return f.EncodeBare(b)
}

// EncodeBare implements bin.BareEncoder.
func (f *ForumTopic) EncodeBare(b *bin.Buffer) error {
	if f == nil {
		return fmt.Errorf("can't encode forumTopic#71701da9 as nil")
	}
	f.SetFlags()
	if err := f.Flags.Encode(b); err != nil {
		return fmt.Errorf("unable to encode forumTopic#71701da9: field flags: %w", err)
	}
	b.PutInt(f.ID)
	b.PutInt(f.Date)
	b.PutString(f.Title)
	b.PutInt(f.IconColor)
	if f.Flags.Has(0) {
		b.PutLong(f.IconEmojiID)
	}
	b.PutInt(f.TopMessage)
	b.PutInt(f.ReadInboxMaxID)
	b.PutInt(f.ReadOutboxMaxID)
	b.PutInt(f.UnreadCount)
	b.PutInt(f.UnreadMentionsCount)
	b.PutInt(f.UnreadReactionsCount)
	if f.FromID == nil {
		return fmt.Errorf("unable to encode forumTopic#71701da9: field from_id is nil")
	}
	if err := f.FromID.Encode(b); err != nil {
		return fmt.Errorf("unable to encode forumTopic#71701da9: field from_id: %w", err)
	}
	if err := f.NotifySettings.Encode(b); err != nil {
		return fmt.Errorf("unable to encode forumTopic#71701da9: field notify_settings: %w", err)
	}
	if f.Flags.Has(4) {
		if f.Draft == nil {
			return fmt.Errorf("unable to encode forumTopic#71701da9: field draft is nil")
		}
		if err := f.Draft.Encode(b); err != nil {
			return fmt.Errorf("unable to encode forumTopic#71701da9: field draft: %w", err)
		}
	}
	return nil
}

// Decode implements bin.Decoder.
func (f *ForumTopic) Decode(b *bin.Buffer) error {
	if f == nil {
		return fmt.Errorf("can't decode forumTopic#71701da9 to nil")
	}
	if err := b.ConsumeID(ForumTopicTypeID); err != nil {
		return fmt.Errorf("unable to decode forumTopic#71701da9: %w", err)
	}
	return f.DecodeBare(b)
}

// DecodeBare implements bin.BareDecoder.
func (f *ForumTopic) DecodeBare(b *bin.Buffer) error {
	if f == nil {
		return fmt.Errorf("can't decode forumTopic#71701da9 to nil")
	}
	{
		if err := f.Flags.Decode(b); err != nil {
			return fmt.Errorf("unable to decode forumTopic#71701da9: field flags: %w", err)
		}
	}
	f.My = f.Flags.Has(1)
	f.Closed = f.Flags.Has(2)
	f.Pinned = f.Flags.Has(3)
	f.Short = f.Flags.Has(5)
	f.Hidden = f.Flags.Has(6)
	{
		value, err := b.Int()
		if err != nil {
			return fmt.Errorf("unable to decode forumTopic#71701da9: field id: %w", err)
		}
		f.ID = value
	}
	{
		value, err := b.Int()
		if err != nil {
			return fmt.Errorf("unable to decode forumTopic#71701da9: field date: %w", err)
		}
		f.Date = value
	}
	{
		value, err := b.String()
		if err != nil {
			return fmt.Errorf("unable to decode forumTopic#71701da9: field title: %w", err)
		}
		f.Title = value
	}
	{
		value, err := b.Int()
		if err != nil {
			return fmt.Errorf("unable to decode forumTopic#71701da9: field icon_color: %w", err)
		}
		f.IconColor = value
	}
	if f.Flags.Has(0) {
		value, err := b.Long()
		if err != nil {
			return fmt.Errorf("unable to decode forumTopic#71701da9: field icon_emoji_id: %w", err)
		}
		f.IconEmojiID = value
	}
	{
		value, err := b.Int()
		if err != nil {
			return fmt.Errorf("unable to decode forumTopic#71701da9: field top_message: %w", err)
		}
		f.TopMessage = value
	}
	{
		value, err := b.Int()
		if err != nil {
			return fmt.Errorf("unable to decode forumTopic#71701da9: field read_inbox_max_id: %w", err)
		}
		f.ReadInboxMaxID = value
	}
	{
		value, err := b.Int()
		if err != nil {
			return fmt.Errorf("unable to decode forumTopic#71701da9: field read_outbox_max_id: %w", err)
		}
		f.ReadOutboxMaxID = value
	}
	{
		value, err := b.Int()
		if err != nil {
			return fmt.Errorf("unable to decode forumTopic#71701da9: field unread_count: %w", err)
		}
		f.UnreadCount = value
	}
	{
		value, err := b.Int()
		if err != nil {
			return fmt.Errorf("unable to decode forumTopic#71701da9: field unread_mentions_count: %w", err)
		}
		f.UnreadMentionsCount = value
	}
	{
		value, err := b.Int()
		if err != nil {
			return fmt.Errorf("unable to decode forumTopic#71701da9: field unread_reactions_count: %w", err)
		}
		f.UnreadReactionsCount = value
	}
	{
		value, err := DecodePeer(b)
		if err != nil {
			return fmt.Errorf("unable to decode forumTopic#71701da9: field from_id: %w", err)
		}
		f.FromID = value
	}
	{
		if err := f.NotifySettings.Decode(b); err != nil {
			return fmt.Errorf("unable to decode forumTopic#71701da9: field notify_settings: %w", err)
		}
	}
	if f.Flags.Has(4) {
		value, err := DecodeDraftMessage(b)
		if err != nil {
			return fmt.Errorf("unable to decode forumTopic#71701da9: field draft: %w", err)
		}
		f.Draft = value
	}
	return nil
}

// SetMy sets value of My conditional field.
func (f *ForumTopic) SetMy(value bool) {
	if value {
		f.Flags.Set(1)
		f.My = true
	} else {
		f.Flags.Unset(1)
		f.My = false
	}
}

// GetMy returns value of My conditional field.
func (f *ForumTopic) GetMy() (value bool) {
	if f == nil {
		return
	}
	return f.Flags.Has(1)
}

// SetClosed sets value of Closed conditional field.
func (f *ForumTopic) SetClosed(value bool) {
	if value {
		f.Flags.Set(2)
		f.Closed = true
	} else {
		f.Flags.Unset(2)
		f.Closed = false
	}
}

// GetClosed returns value of Closed conditional field.
func (f *ForumTopic) GetClosed() (value bool) {
	if f == nil {
		return
	}
	return f.Flags.Has(2)
}

// SetPinned sets value of Pinned conditional field.
func (f *ForumTopic) SetPinned(value bool) {
	if value {
		f.Flags.Set(3)
		f.Pinned = true
	} else {
		f.Flags.Unset(3)
		f.Pinned = false
	}
}

// GetPinned returns value of Pinned conditional field.
func (f *ForumTopic) GetPinned() (value bool) {
	if f == nil {
		return
	}
	return f.Flags.Has(3)
}

// SetShort sets value of Short conditional field.
func (f *ForumTopic) SetShort(value bool) {
	if value {
		f.Flags.Set(5)
		f.Short = true
	} else {
		f.Flags.Unset(5)
		f.Short = false
	}
}

// GetShort returns value of Short conditional field.
func (f *ForumTopic) GetShort() (value bool) {
	if f == nil {
		return
	}
	return f.Flags.Has(5)
}

// SetHidden sets value of Hidden conditional field.
func (f *ForumTopic) SetHidden(value bool) {
	if value {
		f.Flags.Set(6)
		f.Hidden = true
	} else {
		f.Flags.Unset(6)
		f.Hidden = false
	}
}

// GetHidden returns value of Hidden conditional field.
func (f *ForumTopic) GetHidden() (value bool) {
	if f == nil {
		return
	}
	return f.Flags.Has(6)
}

// GetID returns value of ID field.
func (f *ForumTopic) GetID() (value int) {
	if f == nil {
		return
	}
	return f.ID
}

// GetDate returns value of Date field.
func (f *ForumTopic) GetDate() (value int) {
	if f == nil {
		return
	}
	return f.Date
}

// GetTitle returns value of Title field.
func (f *ForumTopic) GetTitle() (value string) {
	if f == nil {
		return
	}
	return f.Title
}

// GetIconColor returns value of IconColor field.
func (f *ForumTopic) GetIconColor() (value int) {
	if f == nil {
		return
	}
	return f.IconColor
}

// SetIconEmojiID sets value of IconEmojiID conditional field.
func (f *ForumTopic) SetIconEmojiID(value int64) {
	f.Flags.Set(0)
	f.IconEmojiID = value
}

// GetIconEmojiID returns value of IconEmojiID conditional field and
// boolean which is true if field was set.
func (f *ForumTopic) GetIconEmojiID() (value int64, ok bool) {
	if f == nil {
		return
	}
	if !f.Flags.Has(0) {
		return value, false
	}
	return f.IconEmojiID, true
}

// GetTopMessage returns value of TopMessage field.
func (f *ForumTopic) GetTopMessage() (value int) {
	if f == nil {
		return
	}
	return f.TopMessage
}

// GetReadInboxMaxID returns value of ReadInboxMaxID field.
func (f *ForumTopic) GetReadInboxMaxID() (value int) {
	if f == nil {
		return
	}
	return f.ReadInboxMaxID
}

// GetReadOutboxMaxID returns value of ReadOutboxMaxID field.
func (f *ForumTopic) GetReadOutboxMaxID() (value int) {
	if f == nil {
		return
	}
	return f.ReadOutboxMaxID
}

// GetUnreadCount returns value of UnreadCount field.
func (f *ForumTopic) GetUnreadCount() (value int) {
	if f == nil {
		return
	}
	return f.UnreadCount
}

// GetUnreadMentionsCount returns value of UnreadMentionsCount field.
func (f *ForumTopic) GetUnreadMentionsCount() (value int) {
	if f == nil {
		return
	}
	return f.UnreadMentionsCount
}

// GetUnreadReactionsCount returns value of UnreadReactionsCount field.
func (f *ForumTopic) GetUnreadReactionsCount() (value int) {
	if f == nil {
		return
	}
	return f.UnreadReactionsCount
}

// GetFromID returns value of FromID field.
func (f *ForumTopic) GetFromID() (value PeerClass) {
	if f == nil {
		return
	}
	return f.FromID
}

// GetNotifySettings returns value of NotifySettings field.
func (f *ForumTopic) GetNotifySettings() (value PeerNotifySettings) {
	if f == nil {
		return
	}
	return f.NotifySettings
}

// SetDraft sets value of Draft conditional field.
func (f *ForumTopic) SetDraft(value DraftMessageClass) {
	f.Flags.Set(4)
	f.Draft = value
}

// GetDraft returns value of Draft conditional field and
// boolean which is true if field was set.
func (f *ForumTopic) GetDraft() (value DraftMessageClass, ok bool) {
	if f == nil {
		return
	}
	if !f.Flags.Has(4) {
		return value, false
	}
	return f.Draft, true
}

// ForumTopicClassName is schema name of ForumTopicClass.
const ForumTopicClassName = "ForumTopic"

// ForumTopicClass represents ForumTopic generic type.
//
// See https://core.telegram.org/type/ForumTopic for reference.
//
// Example:
//
//	g, err := tg.DecodeForumTopic(buf)
//	if err != nil {
//	    panic(err)
//	}
//	switch v := g.(type) {
//	case *tg.ForumTopicDeleted: // forumTopicDeleted#23f109b
//	case *tg.ForumTopic: // forumTopic#71701da9
//	default: panic(v)
//	}
type ForumTopicClass interface {
	bin.Encoder
	bin.Decoder
	bin.BareEncoder
	bin.BareDecoder
	construct() ForumTopicClass

	// TypeID returns type id in TL schema.
	//
	// See https://core.telegram.org/mtproto/TL-tl#remarks.
	TypeID() uint32
	// TypeName returns name of type in TL schema.
	TypeName() string
	// String implements fmt.Stringer.
	String() string
	// Zero returns true if current object has a zero value.
	Zero() bool

	// The ID of the deleted forum topic.
	GetID() (value int)
}

// DecodeForumTopic implements binary de-serialization for ForumTopicClass.
func DecodeForumTopic(buf *bin.Buffer) (ForumTopicClass, error) {
	id, err := buf.PeekID()
	if err != nil {
		return nil, err
	}
	switch id {
	case ForumTopicDeletedTypeID:
		// Decoding forumTopicDeleted#23f109b.
		v := ForumTopicDeleted{}
		if err := v.Decode(buf); err != nil {
			return nil, fmt.Errorf("unable to decode ForumTopicClass: %w", err)
		}
		return &v, nil
	case ForumTopicTypeID:
		// Decoding forumTopic#71701da9.
		v := ForumTopic{}
		if err := v.Decode(buf); err != nil {
			return nil, fmt.Errorf("unable to decode ForumTopicClass: %w", err)
		}
		return &v, nil
	default:
		return nil, fmt.Errorf("unable to decode ForumTopicClass: %w", bin.NewUnexpectedID(id))
	}
}

// ForumTopic boxes the ForumTopicClass providing a helper.
type ForumTopicBox struct {
	ForumTopic ForumTopicClass
}

// Decode implements bin.Decoder for ForumTopicBox.
func (b *ForumTopicBox) Decode(buf *bin.Buffer) error {
	if b == nil {
		return fmt.Errorf("unable to decode ForumTopicBox to nil")
	}
	v, err := DecodeForumTopic(buf)
	if err != nil {
		return fmt.Errorf("unable to decode boxed value: %w", err)
	}
	b.ForumTopic = v
	return nil
}

// Encode implements bin.Encode for ForumTopicBox.
func (b *ForumTopicBox) Encode(buf *bin.Buffer) error {
	if b == nil || b.ForumTopic == nil {
		return fmt.Errorf("unable to encode ForumTopicClass as nil")
	}
	return b.ForumTopic.Encode(buf)
}

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