// Code generated by gotdgen, DO NOT EDIT.

package tdapi

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

	"go.uber.org/multierr"

	"go.mau.fi/mautrix-telegram/pkg/gotd/bin"
	"go.mau.fi/mautrix-telegram/pkg/gotd/tdjson"
	"go.mau.fi/mautrix-telegram/pkg/gotd/tdp"
	"go.mau.fi/mautrix-telegram/pkg/gotd/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{}
)

// BusinessStartPage represents TL type `businessStartPage#9fa2f7cf`.
type BusinessStartPage struct {
	// Title text of the start page
	Title string
	// Message text of the start page
	Message string
	// Greeting sticker of the start page; may be null if none
	Sticker Sticker
}

// BusinessStartPageTypeID is TL type id of BusinessStartPage.
const BusinessStartPageTypeID = 0x9fa2f7cf

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

func (b *BusinessStartPage) Zero() bool {
	if b == nil {
		return true
	}
	if !(b.Title == "") {
		return false
	}
	if !(b.Message == "") {
		return false
	}
	if !(b.Sticker.Zero()) {
		return false
	}

	return true
}

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

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

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

// TypeInfo returns info about TL type.
func (b *BusinessStartPage) TypeInfo() tdp.Type {
	typ := tdp.Type{
		Name: "businessStartPage",
		ID:   BusinessStartPageTypeID,
	}
	if b == nil {
		typ.Null = true
		return typ
	}
	typ.Fields = []tdp.Field{
		{
			Name:       "Title",
			SchemaName: "title",
		},
		{
			Name:       "Message",
			SchemaName: "message",
		},
		{
			Name:       "Sticker",
			SchemaName: "sticker",
		},
	}
	return typ
}

// Encode implements bin.Encoder.
func (b *BusinessStartPage) Encode(buf *bin.Buffer) error {
	if b == nil {
		return fmt.Errorf("can't encode businessStartPage#9fa2f7cf as nil")
	}
	buf.PutID(BusinessStartPageTypeID)
	return b.EncodeBare(buf)
}

// EncodeBare implements bin.BareEncoder.
func (b *BusinessStartPage) EncodeBare(buf *bin.Buffer) error {
	if b == nil {
		return fmt.Errorf("can't encode businessStartPage#9fa2f7cf as nil")
	}
	buf.PutString(b.Title)
	buf.PutString(b.Message)
	if err := b.Sticker.Encode(buf); err != nil {
		return fmt.Errorf("unable to encode businessStartPage#9fa2f7cf: field sticker: %w", err)
	}
	return nil
}

// Decode implements bin.Decoder.
func (b *BusinessStartPage) Decode(buf *bin.Buffer) error {
	if b == nil {
		return fmt.Errorf("can't decode businessStartPage#9fa2f7cf to nil")
	}
	if err := buf.ConsumeID(BusinessStartPageTypeID); err != nil {
		return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: %w", err)
	}
	return b.DecodeBare(buf)
}

// DecodeBare implements bin.BareDecoder.
func (b *BusinessStartPage) DecodeBare(buf *bin.Buffer) error {
	if b == nil {
		return fmt.Errorf("can't decode businessStartPage#9fa2f7cf to nil")
	}
	{
		value, err := buf.String()
		if err != nil {
			return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: field title: %w", err)
		}
		b.Title = value
	}
	{
		value, err := buf.String()
		if err != nil {
			return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: field message: %w", err)
		}
		b.Message = value
	}
	{
		if err := b.Sticker.Decode(buf); err != nil {
			return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: field sticker: %w", err)
		}
	}
	return nil
}

// EncodeTDLibJSON implements tdjson.TDLibEncoder.
func (b *BusinessStartPage) EncodeTDLibJSON(buf tdjson.Encoder) error {
	if b == nil {
		return fmt.Errorf("can't encode businessStartPage#9fa2f7cf as nil")
	}
	buf.ObjStart()
	buf.PutID("businessStartPage")
	buf.Comma()
	buf.FieldStart("title")
	buf.PutString(b.Title)
	buf.Comma()
	buf.FieldStart("message")
	buf.PutString(b.Message)
	buf.Comma()
	buf.FieldStart("sticker")
	if err := b.Sticker.EncodeTDLibJSON(buf); err != nil {
		return fmt.Errorf("unable to encode businessStartPage#9fa2f7cf: field sticker: %w", err)
	}
	buf.Comma()
	buf.StripComma()
	buf.ObjEnd()
	return nil
}

// DecodeTDLibJSON implements tdjson.TDLibDecoder.
func (b *BusinessStartPage) DecodeTDLibJSON(buf tdjson.Decoder) error {
	if b == nil {
		return fmt.Errorf("can't decode businessStartPage#9fa2f7cf to nil")
	}

	return buf.Obj(func(buf tdjson.Decoder, key []byte) error {
		switch string(key) {
		case tdjson.TypeField:
			if err := buf.ConsumeID("businessStartPage"); err != nil {
				return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: %w", err)
			}
		case "title":
			value, err := buf.String()
			if err != nil {
				return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: field title: %w", err)
			}
			b.Title = value
		case "message":
			value, err := buf.String()
			if err != nil {
				return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: field message: %w", err)
			}
			b.Message = value
		case "sticker":
			if err := b.Sticker.DecodeTDLibJSON(buf); err != nil {
				return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: field sticker: %w", err)
			}
		default:
			return buf.Skip()
		}
		return nil
	})
}

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

// GetMessage returns value of Message field.
func (b *BusinessStartPage) GetMessage() (value string) {
	if b == nil {
		return
	}
	return b.Message
}

// GetSticker returns value of Sticker field.
func (b *BusinessStartPage) GetSticker() (value Sticker) {
	if b == nil {
		return
	}
	return b.Sticker
}