package cart

import (
	"git.k6n.net/mats/platform/money"
	"git.k6n.net/mats/platform/tax"
)

// TaxProvider computes taxes for orders and line items.
// The canonical definition is now in platform/tax; this is a type alias
// for backward compatibility.
type TaxProvider = tax.Provider

// ComputeTax returns the VAT portion of an inc-VAT total. rateBp is basis points
// (2500 = 25%). Re-exported from platform/tax.
func ComputeTax(total money.Cents, rateBp int) money.Cents {
	return money.Cents(tax.Compute(total.Int64(), rateBp))
}

// StaticTaxProvider is a stateless, always-available TaxProvider.
// Re-exported from platform/tax for backward compatibility.
type StaticTaxProvider = tax.Static

// NewStaticTaxProvider returns a new StaticTaxProvider.
func NewStaticTaxProvider() *StaticTaxProvider { return tax.NewStatic() }