package models

import (
	"fmt"
	"strconv"
	"strings"
)

type Price int

func (in Price) String() string {
	if in%100 == 0 {
		return strconv.Itoa(int(in) / 100)
	}
	price := strconv.Itoa(int(in))
	i := len(price) - 2
	return price[:i] + "." + price[i:]
}

func ParsePrice(in string) (Price, error) {
	in = strings.ReplaceAll(in, ",", ".")
	if !strings.Contains(in, ".") {
		price, err := strconv.Atoi(in)
		return Price(price) * 100, err
	}
	before, after, _ := strings.Cut(in, ".")
	if len(after) > 2 {
		return 0, fmt.Errorf("Wrong format, requires no more than 2 decimal places after the separator")
	}
	price, err := strconv.Atoi(before + after)
	if len(after) < 2 {
		price *= 10
	}
	if len(after) < 1 {
		price *= 10
	}
	return Price(price), err
}