package externalapi

import (
	"fmt"
)

// DomainTransaction represents a Kaspa transaction
type DomainTransaction struct {
	Version      int32
	Inputs       []*DomainTransactionInput
	Outputs      []*DomainTransactionOutput
	LockTime     uint64
	SubnetworkID DomainSubnetworkID
	Gas          uint64
	PayloadHash  DomainHash
	Payload      []byte

	Fee  uint64
	Mass uint64
}

// DomainTransactionInput represents a Kaspa transaction input
type DomainTransactionInput struct {
	PreviousOutpoint DomainOutpoint
	SignatureScript  []byte
	Sequence         uint64

	UTXOEntry *UTXOEntry
}

// DomainOutpoint represents a Kaspa transaction outpoint
type DomainOutpoint struct {
	TransactionID DomainTransactionID
	Index         uint32
}

// String stringifies an outpoint.
func (op DomainOutpoint) String() string {
	return fmt.Sprintf("(%s: %d)", op.TransactionID, op.Index)
}

// NewDomainOutpoint instantiates a new DomainOutpoint with the given id and index
func NewDomainOutpoint(id *DomainTransactionID, index uint32) *DomainOutpoint {
	return &DomainOutpoint{
		TransactionID: *id,
		Index:         index,
	}
}

// DomainTransactionOutput represents a Kaspad transaction output
type DomainTransactionOutput struct {
	Value           uint64
	ScriptPublicKey []byte
}

// DomainTransactionID represents the ID of a Kaspa transaction
type DomainTransactionID DomainHash

// String stringifies a transaction ID.
func (id DomainTransactionID) String() string {
	return DomainHash(id).String()
}