package vo

import "strings"

type Currency struct {
	Code        string
	NumericCode string
	Fraction    int
	Grapheme    string
	Template    string
	Decimal     string
	Thousand    string
}

type Currencies map[string]*Currency

var currencies = Currencies{
	"EUR": {Decimal: ".", Thousand: ",", Code: "EUR", Fraction: 2, NumericCode: "978", Grapheme: "\u20ac", Template: "$1"},
	"GBP": {Decimal: ".", Thousand: ",", Code: "GBP", Fraction: 2, NumericCode: "826", Grapheme: "\u00a3", Template: "$1"},
	"PLN": {Decimal: ".", Thousand: ",", Code: "PLN", Fraction: 2, NumericCode: "985", Grapheme: "z\u0142", Template: "1 $"},
	"USD": {Decimal: ".", Thousand: ",", Code: "USD", Fraction: 2, NumericCode: "840", Grapheme: "$", Template: "$1"},
}

func NewCurrency(code string) *Currency {
	return &Currency{Code: strings.ToUpper(code)}
}

func (c *Currency) Default() *Currency {
	return &Currency{Decimal: ".", Thousand: ",", Code: c.Code, Fraction: 2, Grapheme: c.Code, Template: "1$"}
}

func (c *Currency) Get() *Currency {
	if curr, ok := currencies[c.Code]; ok {
		return curr
	}

	return c.Default()
}

func (c *Currency) Equals(oc *Currency) bool {
	return c.Code == oc.Code
}