package api

import (
	"fmt"
	"io"

	"github.com/filecoin-project/lotus/chain/types"
	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 *PaymentInfo) 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.t.Channel (address.Address) (struct)
	if err := t.Channel.MarshalCBOR(w); err != nil {
		return err
	}

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

	if t.ChannelMessage == nil {
		if _, err := w.Write(cbg.CborNull); err != nil {
			return err
		}
	} else {
		if err := cbg.WriteCid(w, *t.ChannelMessage); err != nil {
			return xerrors.Errorf("failed to write cid field t.ChannelMessage: %w", err)
		}
	}

	// t.t.Vouchers ([]*types.SignedVoucher) (slice)
	if _, err := w.Write(cbg.CborEncodeMajorType(cbg.MajArray, uint64(len(t.Vouchers)))); err != nil {
		return err
	}
	for _, v := range t.Vouchers {
		if err := v.MarshalCBOR(w); err != nil {
			return err
		}
	}
	return nil
}

func (t *PaymentInfo) 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.t.Channel (address.Address) (struct)

	{

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

	}
	// t.t.ChannelMessage (cid.Cid) (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 {

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

			t.ChannelMessage = &c
		}

	}
	// t.t.Vouchers ([]*types.SignedVoucher) (slice)

	maj, extra, err = cbg.CborReadHeader(br)
	if err != nil {
		return err
	}
	if extra > 8192 {
		return fmt.Errorf("t.Vouchers: array too large (%d)", extra)
	}

	if maj != cbg.MajArray {
		return fmt.Errorf("expected cbor array")
	}
	if extra > 0 {
		t.Vouchers = make([]*types.SignedVoucher, extra)
	}
	for i := 0; i < int(extra); i++ {

		var v types.SignedVoucher
		if err := v.UnmarshalCBOR(br); err != nil {
			return err
		}

		t.Vouchers[i] = &v
	}

	return nil
}