#include "Car.h"
#include "TaxRates.h"

Car::Car(double worth,
         double horsepower)
        : Property(worth)
{
    this->horsepower = horsepower;
}

double Car::calculateTax()
{
    if (horsepower <
        TAX_RATES::LOW_HORSEPOWER)
    {
        return worth *
               TAX_RATES::CAR_TAX;
    }

    if (horsepower <=
        TAX_RATES::HIGH_HORSEPOWER)
    {
        return worth *
               TAX_RATES::CAR_TRUCK_TAX;
    }

    return worth *
           TAX_RATES::CAR_LUXURY_TAX;
}

void Car::fromJson(json j)
{
    worth = j["worth"];

    horsepower =
            j["horsepower"];
}

json Car::toJson()
{
    json j;

    j["worth"] = worth;

    j["horsepower"] =
            horsepower;

    j["tax"] =
            calculateTax();

    return j;
}

void Car::fromXml(
        XMLElement* element)
{
    element->QueryDoubleAttribute(
            "worth",
            &worth
    );

    element->QueryDoubleAttribute(
            "horsepower",
            &horsepower
    );
}

XMLElement* Car::toXml(
        XMLDocument& doc)
{
    XMLElement* element =
            doc.NewElement("Car");

    element->SetAttribute(
            "worth",
            worth
    );

    element->SetAttribute(
            "horsepower",
            horsepower
    );

    element->SetAttribute(
            "tax",
            calculateTax()
    );

    return element;
}