// 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{}
)

// ReadParticipantDate represents TL type `readParticipantDate#4a4ff172`.
// Contains info about when a certain participant has read a message
//
// See https://core.telegram.org/constructor/readParticipantDate for reference.
type ReadParticipantDate struct {
	// User ID
	UserID int64
	// When the user read the message
	Date int
}

// ReadParticipantDateTypeID is TL type id of ReadParticipantDate.
const ReadParticipantDateTypeID = 0x4a4ff172

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

func (r *ReadParticipantDate) Zero() bool {
	if r == nil {
		return true
	}
	if !(r.UserID == 0) {
		return false
	}
	if !(r.Date == 0) {
		return false
	}

	return true
}

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

// FillFrom fills ReadParticipantDate from given interface.
func (r *ReadParticipantDate) FillFrom(from interface {
	GetUserID() (value int64)
	GetDate() (value int)
}) {
	r.UserID = from.GetUserID()
	r.Date = from.GetDate()
}

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

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

// TypeInfo returns info about TL type.
func (r *ReadParticipantDate) TypeInfo() tdp.Type {
	typ := tdp.Type{
		Name: "readParticipantDate",
		ID:   ReadParticipantDateTypeID,
	}
	if r == nil {
		typ.Null = true
		return typ
	}
	typ.Fields = []tdp.Field{
		{
			Name:       "UserID",
			SchemaName: "user_id",
		},
		{
			Name:       "Date",
			SchemaName: "date",
		},
	}
	return typ
}

// Encode implements bin.Encoder.
func (r *ReadParticipantDate) Encode(b *bin.Buffer) error {
	if r == nil {
		return fmt.Errorf("can't encode readParticipantDate#4a4ff172 as nil")
	}
	b.PutID(ReadParticipantDateTypeID)
	return r.EncodeBare(b)
}

// EncodeBare implements bin.BareEncoder.
func (r *ReadParticipantDate) EncodeBare(b *bin.Buffer) error {
	if r == nil {
		return fmt.Errorf("can't encode readParticipantDate#4a4ff172 as nil")
	}
	b.PutLong(r.UserID)
	b.PutInt(r.Date)
	return nil
}

// Decode implements bin.Decoder.
func (r *ReadParticipantDate) Decode(b *bin.Buffer) error {
	if r == nil {
		return fmt.Errorf("can't decode readParticipantDate#4a4ff172 to nil")
	}
	if err := b.ConsumeID(ReadParticipantDateTypeID); err != nil {
		return fmt.Errorf("unable to decode readParticipantDate#4a4ff172: %w", err)
	}
	return r.DecodeBare(b)
}

// DecodeBare implements bin.BareDecoder.
func (r *ReadParticipantDate) DecodeBare(b *bin.Buffer) error {
	if r == nil {
		return fmt.Errorf("can't decode readParticipantDate#4a4ff172 to nil")
	}
	{
		value, err := b.Long()
		if err != nil {
			return fmt.Errorf("unable to decode readParticipantDate#4a4ff172: field user_id: %w", err)
		}
		r.UserID = value
	}
	{
		value, err := b.Int()
		if err != nil {
			return fmt.Errorf("unable to decode readParticipantDate#4a4ff172: field date: %w", err)
		}
		r.Date = value
	}
	return nil
}

// GetUserID returns value of UserID field.
func (r *ReadParticipantDate) GetUserID() (value int64) {
	if r == nil {
		return
	}
	return r.UserID
}

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