package retrieval

import (
	"fmt"
	"io"

	cbg "github.com/whyrusleeping/cbor-gen"
	xerrors "golang.org/x/xerrors"
)

/* This file was generated by github.com/whyrusleeping/cbor-gen */

var _ = xerrors.Errorf

func (t *RetParams) MarshalCBOR(w io.Writer) error {
	if t == nil {
		_, err := w.Write(cbg.CborNull)
		return err
	}
	if _, err := w.Write([]byte{129}); err != nil {
		return err
	}

	// t.Unixfs0 (retrieval.Unixfs0Offer) (struct)
	if err := t.Unixfs0.MarshalCBOR(w); err != nil {
		return err
	}
	return nil
}

func (t *RetParams) UnmarshalCBOR(r io.Reader) error {
	br := cbg.GetPeeker(r)

	maj, extra, err := cbg.CborReadHeader(br)
	if err != nil {
		return err
	}
	if maj != cbg.MajArray {
		return fmt.Errorf("cbor input should be of type array")
	}

	if extra != 1 {
		return fmt.Errorf("cbor input had wrong number of fields")
	}

	// t.Unixfs0 (retrieval.Unixfs0Offer) (struct)

	{

		pb, err := br.PeekByte()
		if err != nil {
			return err
		}
		if pb == cbg.CborNull[0] {
			var nbuf [1]byte
			if _, err := br.Read(nbuf[:]); err != nil {
				return err
			}
		} else {
			t.Unixfs0 = new(Unixfs0Offer)
			if err := t.Unixfs0.UnmarshalCBOR(br); err != nil {
				return err
			}
		}

	}
	return nil
}

func (t *Query) MarshalCBOR(w io.Writer) error {
	if t == nil {
		_, err := w.Write(cbg.CborNull)
		return err
	}
	if _, err := w.Write([]byte{129}); err != nil {
		return err
	}

	// t.Piece (cid.Cid) (struct)

	if err := cbg.WriteCid(w, t.Piece); err != nil {
		return xerrors.Errorf("failed to write cid field t.Piece: %w", err)
	}

	return nil
}

func (t *Query) UnmarshalCBOR(r io.Reader) error {
	br := cbg.GetPeeker(r)

	maj, extra, err := cbg.CborReadHeader(br)
	if err != nil {
		return err
	}
	if maj != cbg.MajArray {
		return fmt.Errorf("cbor input should be of type array")
	}

	if extra != 1 {
		return fmt.Errorf("cbor input had wrong number of fields")
	}

	// t.Piece (cid.Cid) (struct)

	{

		c, err := cbg.ReadCid(br)
		if err != nil {
			return xerrors.Errorf("failed to read cid field t.Piece: %w", err)
		}

		t.Piece = c

	}
	return nil
}

func (t *QueryResponse) MarshalCBOR(w io.Writer) error {
	if t == nil {
		_, err := w.Write(cbg.CborNull)
		return err
	}
	if _, err := w.Write([]byte{131}); err != nil {
		return err
	}

	// t.Status (retrieval.QueryResponseStatus) (uint64)
	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajUnsignedInt, uint64(t.Status))); err != nil {
		return err
	}

	// t.Size (uint64) (uint64)
	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajUnsignedInt, uint64(t.Size))); err != nil {
		return err
	}

	// t.MinPrice (types.BigInt) (struct)
	if err := t.MinPrice.MarshalCBOR(w); err != nil {
		return err
	}
	return nil
}

func (t *QueryResponse) UnmarshalCBOR(r io.Reader) error {
	br := cbg.GetPeeker(r)

	maj, extra, err := cbg.CborReadHeader(br)
	if err != nil {
		return err
	}
	if maj != cbg.MajArray {
		return fmt.Errorf("cbor input should be of type array")
	}

	if extra != 3 {
		return fmt.Errorf("cbor input had wrong number of fields")
	}

	// t.Status (retrieval.QueryResponseStatus) (uint64)

	maj, extra, err = cbg.CborReadHeader(br)
	if err != nil {
		return err
	}
	if maj != cbg.MajUnsignedInt {
		return fmt.Errorf("wrong type for uint64 field")
	}
	t.Status = QueryResponseStatus(extra)
	// t.Size (uint64) (uint64)

	maj, extra, err = cbg.CborReadHeader(br)
	if err != nil {
		return err
	}
	if maj != cbg.MajUnsignedInt {
		return fmt.Errorf("wrong type for uint64 field")
	}
	t.Size = uint64(extra)
	// t.MinPrice (types.BigInt) (struct)

	{

		if err := t.MinPrice.UnmarshalCBOR(br); err != nil {
			return err
		}

	}
	return nil
}

func (t *Unixfs0Offer) MarshalCBOR(w io.Writer) error {
	if t == nil {
		_, err := w.Write(cbg.CborNull)
		return err
	}
	if _, err := w.Write([]byte{130}); err != nil {
		return err
	}

	// t.Offset (uint64) (uint64)
	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajUnsignedInt, uint64(t.Offset))); err != nil {
		return err
	}

	// t.Size (uint64) (uint64)
	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajUnsignedInt, uint64(t.Size))); err != nil {
		return err
	}
	return nil
}

func (t *Unixfs0Offer) UnmarshalCBOR(r io.Reader) error {
	br := cbg.GetPeeker(r)

	maj, extra, err := cbg.CborReadHeader(br)
	if err != nil {
		return err
	}
	if maj != cbg.MajArray {
		return fmt.Errorf("cbor input should be of type array")
	}

	if extra != 2 {
		return fmt.Errorf("cbor input had wrong number of fields")
	}

	// t.Offset (uint64) (uint64)

	maj, extra, err = cbg.CborReadHeader(br)
	if err != nil {
		return err
	}
	if maj != cbg.MajUnsignedInt {
		return fmt.Errorf("wrong type for uint64 field")
	}
	t.Offset = uint64(extra)
	// t.Size (uint64) (uint64)

	maj, extra, err = cbg.CborReadHeader(br)
	if err != nil {
		return err
	}
	if maj != cbg.MajUnsignedInt {
		return fmt.Errorf("wrong type for uint64 field")
	}
	t.Size = uint64(extra)
	return nil
}

func (t *DealProposal) MarshalCBOR(w io.Writer) error {
	if t == nil {
		_, err := w.Write(cbg.CborNull)
		return err
	}
	if _, err := w.Write([]byte{131}); err != nil {
		return err
	}

	// t.Payment (api.PaymentInfo) (struct)
	if err := t.Payment.MarshalCBOR(w); err != nil {
		return err
	}

	// t.Ref (cid.Cid) (struct)

	if err := cbg.WriteCid(w, t.Ref); err != nil {
		return xerrors.Errorf("failed to write cid field t.Ref: %w", err)
	}

	// t.Params (retrieval.RetParams) (struct)
	if err := t.Params.MarshalCBOR(w); err != nil {
		return err
	}
	return nil
}

func (t *DealProposal) UnmarshalCBOR(r io.Reader) error {
	br := cbg.GetPeeker(r)

	maj, extra, err := cbg.CborReadHeader(br)
	if err != nil {
		return err
	}
	if maj != cbg.MajArray {
		return fmt.Errorf("cbor input should be of type array")
	}

	if extra != 3 {
		return fmt.Errorf("cbor input had wrong number of fields")
	}

	// t.Payment (api.PaymentInfo) (struct)

	{

		if err := t.Payment.UnmarshalCBOR(br); err != nil {
			return err
		}

	}
	// t.Ref (cid.Cid) (struct)

	{

		c, err := cbg.ReadCid(br)
		if err != nil {
			return xerrors.Errorf("failed to read cid field t.Ref: %w", err)
		}

		t.Ref = c

	}
	// t.Params (retrieval.RetParams) (struct)

	{

		if err := t.Params.UnmarshalCBOR(br); err != nil {
			return err
		}

	}
	return nil
}

func (t *DealResponse) MarshalCBOR(w io.Writer) error {
	if t == nil {
		_, err := w.Write(cbg.CborNull)
		return err
	}
	if _, err := w.Write([]byte{130}); err != nil {
		return err
	}

	// t.Status (uint64) (uint64)
	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajUnsignedInt, uint64(t.Status))); err != nil {
		return err
	}

	// t.Message (string) (string)
	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajTextString, uint64(len(t.Message)))); err != nil {
		return err
	}
	if _, err := w.Write([]byte(t.Message)); err != nil {
		return err
	}
	return nil
}

func (t *DealResponse) UnmarshalCBOR(r io.Reader) error {
	br := cbg.GetPeeker(r)

	maj, extra, err := cbg.CborReadHeader(br)
	if err != nil {
		return err
	}
	if maj != cbg.MajArray {
		return fmt.Errorf("cbor input should be of type array")
	}

	if extra != 2 {
		return fmt.Errorf("cbor input had wrong number of fields")
	}

	// t.Status (uint64) (uint64)

	maj, extra, err = cbg.CborReadHeader(br)
	if err != nil {
		return err
	}
	if maj != cbg.MajUnsignedInt {
		return fmt.Errorf("wrong type for uint64 field")
	}
	t.Status = uint64(extra)
	// t.Message (string) (string)

	{
		sval, err := cbg.ReadString(br)
		if err != nil {
			return err
		}

		t.Message = string(sval)
	}
	return nil
}

func (t *Block) MarshalCBOR(w io.Writer) error {
	if t == nil {
		_, err := w.Write(cbg.CborNull)
		return err
	}
	if _, err := w.Write([]byte{130}); err != nil {
		return err
	}

	// t.Prefix ([]uint8) (slice)
	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajByteString, uint64(len(t.Prefix)))); err != nil {
		return err
	}
	if _, err := w.Write(t.Prefix); err != nil {
		return err
	}

	// t.Data ([]uint8) (slice)
	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajByteString, uint64(len(t.Data)))); err != nil {
		return err
	}
	if _, err := w.Write(t.Data); err != nil {
		return err
	}
	return nil
}

func (t *Block) UnmarshalCBOR(r io.Reader) error {
	br := cbg.GetPeeker(r)

	maj, extra, err := cbg.CborReadHeader(br)
	if err != nil {
		return err
	}
	if maj != cbg.MajArray {
		return fmt.Errorf("cbor input should be of type array")
	}

	if extra != 2 {
		return fmt.Errorf("cbor input had wrong number of fields")
	}

	// t.Prefix ([]uint8) (slice)

	maj, extra, err = cbg.CborReadHeader(br)
	if err != nil {
		return err
	}

	if extra > cbg.ByteArrayMaxLen {
		return fmt.Errorf("t.Prefix: byte array too large (%d)", extra)
	}
	if maj != cbg.MajByteString {
		return fmt.Errorf("expected byte array")
	}
	t.Prefix = make([]byte, extra)
	if _, err := io.ReadFull(br, t.Prefix); err != nil {
		return err
	}
	// t.Data ([]uint8) (slice)

	maj, extra, err = cbg.CborReadHeader(br)
	if err != nil {
		return err
	}

	if extra > cbg.ByteArrayMaxLen {
		return fmt.Errorf("t.Data: byte array too large (%d)", extra)
	}
	if maj != cbg.MajByteString {
		return fmt.Errorf("expected byte array")
	}
	t.Data = make([]byte, extra)
	if _, err := io.ReadFull(br, t.Data); err != nil {
		return err
	}
	return nil
}