package onboarding

import (
	sdk "github.com/cosmos/cosmos-sdk/types"
	capabilitytypes "github.com/cosmos/ibc-go/modules/capability/types"
	clienttypes "github.com/cosmos/ibc-go/v8/modules/core/02-client/types"

	channeltypes "github.com/cosmos/ibc-go/v8/modules/core/04-channel/types"
	porttypes "github.com/cosmos/ibc-go/v8/modules/core/05-port/types"
	"github.com/cosmos/ibc-go/v8/modules/core/exported"

	"github.com/Canto-Network/Canto/v8/ibc"
	"github.com/Canto-Network/Canto/v8/x/onboarding/keeper"
)

var _ porttypes.Middleware = &IBCMiddleware{}

// IBCMiddleware implements the ICS26 callbacks for the transfer middleware given
// the onboarding keeper and the underlying application.
type IBCMiddleware struct {
	*ibc.Module
	keeper keeper.Keeper
}

// NewIBCMiddleware creates a new IBCMiddleware given the keeper and underlying application
func NewIBCMiddleware(k keeper.Keeper, app porttypes.IBCModule) IBCMiddleware {
	return IBCMiddleware{
		Module: ibc.NewModule(app),
		keeper: k,
	}
}

// OnRecvPacket implements the IBCModule interface.
// If the acknowledgement fails, this callback will default to the ibc-core
// packet callback.
func (im IBCMiddleware) OnRecvPacket(
	ctx sdk.Context,
	packet channeltypes.Packet,
	relayer sdk.AccAddress,
) exported.Acknowledgement {
	ack := im.Module.OnRecvPacket(ctx, packet, relayer)

	// return if the acknowledgement is an error ACK
	if !ack.Success() {
		return ack
	}

	return im.keeper.OnRecvPacket(ctx, packet, ack)
}

// SendPacket implements the ICS4 Wrapper interface
func (im IBCMiddleware) SendPacket(
	ctx sdk.Context,
	chanCap *capabilitytypes.Capability,
	sourcePort string,
	sourceChannel string,
	timeoutHeight clienttypes.Height,
	timeoutTimestamp uint64,
	data []byte,
) (uint64, error) {
	return im.keeper.SendPacket(ctx, chanCap, sourcePort, sourceChannel, timeoutHeight, timeoutTimestamp, data)
}

// WriteAcknowledgement implements the ICS4 Wrapper interface
func (im IBCMiddleware) WriteAcknowledgement(
	ctx sdk.Context,
	chanCap *capabilitytypes.Capability,
	packet exported.PacketI,
	ack exported.Acknowledgement,
) error {
	return im.keeper.WriteAcknowledgement(ctx, chanCap, packet, ack)
}

func (im IBCMiddleware) GetAppVersion(ctx sdk.Context, portID, channelID string) (string, bool) {
	return im.keeper.GetAppVersion(ctx, portID, channelID)
}
