package withdraw

import (
	"context"

	"github.com/btcsuite/btcd/wire"
	"github.com/lightninglabs/loop/fsm"
	"github.com/lightninglabs/loop/staticaddr/address"
	"github.com/lightninglabs/loop/staticaddr/deposit"
	"github.com/lightninglabs/loop/staticaddr/script"
	"github.com/lightningnetwork/lnd/lnwallet"
)

const (
	IdLength = 32
)

// AddressManager handles fetching of address parameters.
type AddressManager interface {
	// GetStaticAddressParameters returns the static address parameters.
	GetStaticAddressParameters(ctx context.Context) (*address.Parameters,
		error)

	// GetStaticAddress returns the deposit address for the given
	// client and server public keys.
	GetStaticAddress(ctx context.Context) (*script.StaticAddress, error)

	// ListUnspent returns a list of utxos at the static address.
	ListUnspent(ctx context.Context, minConfs,
		maxConfs int32) ([]*lnwallet.Utxo, error)
}

type DepositManager interface {
	GetActiveDepositsInState(stateFilter fsm.StateType) ([]*deposit.Deposit,
		error)

	AllOutpointsActiveDeposits(outpoints []wire.OutPoint,
		stateFilter fsm.StateType) ([]*deposit.Deposit, bool)

	TransitionDeposits(deposits []*deposit.Deposit, event fsm.EventType,
		expectedFinalState fsm.StateType) error

	UpdateDeposit(d *deposit.Deposit) error
}