#include "Vector2.h"

Vector2::Vector2()
        : m_X(0),
          m_Y(0)
{

}

Vector2::Vector2(
        PointType x,
        PointType y
)
        : m_X(x),
          m_Y(y)
{

}

Vector2::PointType Vector2::x() const
{
    return m_X;
}

Vector2::PointType Vector2::y() const
{
    return m_Y;
}

Vector2::PointType& Vector2::x()
{
    return m_X;
}

Vector2::PointType& Vector2::y()
{
    return m_Y;
}

Vector2 Vector2::operator*(
        const PointType& rhs
) const
{
    return Vector2(
            m_X * rhs,
            m_Y * rhs
    );
}

Vector2& Vector2::operator+=(
        const Vector2& rhs
)
{
    m_X += rhs.m_X;
    m_Y += rhs.m_Y;

    return *this;
}

Vector2& Vector2::operator-=(
        const Vector2& rhs
)
{
    m_X -= rhs.m_X;
    m_Y -= rhs.m_Y;

    return *this;
}

bool operator==(
        const Vector2& lhs,
        const Vector2& rhs
)
{
    return
            lhs.m_X == rhs.m_X &&
            lhs.m_Y == rhs.m_Y;
}

bool operator!=(
        const Vector2& lhs,
        const Vector2& rhs
)
{
    return !(lhs == rhs);
}

Vector2 operator+(
        Vector2 lhs,
        const Vector2& rhs
)
{
    lhs += rhs;

    return lhs;
}

Vector2 operator-(
        Vector2 lhs,
        const Vector2& rhs
)
{
    lhs -= rhs;

    return lhs;
}

std::ostream& operator<<(
        std::ostream& os,
        const Vector2& obj
)
{
    os
            << "{"
            << obj.x()
            << ", "
            << obj.y()
            << "}";

    return os;
}