#include "goods.h"
#include <string>
#include <QString>
#include <QObject>

Goods::Goods() { }

Goods::Goods(std::string name, double price_per_unit, std::string net_weight, double quantity) :
    name(name), price_per_unit(price_per_unit),
    net_weight(net_weight), quantity(quantity) {}

double Goods::calculate_total_price() {
    return this->price_per_unit * this->quantity;
}

std::string Goods::get_name() { return this->name; }

double Goods::get_quantity() { return this->quantity; }

std::string Goods::get_net_weight() { return this->net_weight; }

double Goods::get_price_per_unit() { return this->price_per_unit; }

void Goods::set_name(std::string name) { this->name = name; }

void Goods::set_name(QString name) { this->name = name.toStdString(); }

void Goods::set_quantity(double quantity) { this->quantity = quantity; }

void Goods::set_net_weight(std::string net_weight) { this->net_weight = net_weight; }

void Goods::set_net_weight(QString net_weight) { this->net_weight = net_weight.toStdString(); }

void Goods::set_price_per_unit(double price_per_unit) {
    this->price_per_unit = price_per_unit;
}

Q_DECLARE_METATYPE(Goods)

QDataStream &operator<<(QDataStream &in, Goods &goods) {
    in << QString::fromStdString(goods.get_name()) << goods.get_quantity() << QString::fromStdString(goods.get_net_weight()) << goods.get_price_per_unit();
    return in;
}

QDataStream &operator>>(QDataStream &out, Goods &goods) {
    QString name, net_weight;
    double quantity, price_per_unit;
    out >> name >> quantity >> net_weight >> price_per_unit;
    goods.set_name(name);
    goods.set_quantity(quantity);
    goods.set_net_weight(net_weight);
    goods.set_price_per_unit(price_per_unit);
    return out;
}


QDataStream &operator<<(QDataStream &stream, std::vector<Goods> &goods) {
    stream << (unsigned int )goods.size();
    for (Goods &g : goods) {
        stream << g;
    }
    return stream;
}

QDataStream &operator>>(QDataStream &stream, std::vector<Goods> &goods) {
    unsigned int size;
    stream >> size;
    for (unsigned int i = 0 ; i < size; i ++) {
        Goods g = Goods();
        stream >> g;
        goods.push_back(g);
    }
    return stream;
}