#ifndef PGCONTAINER_H
#define PGCONTAINER_H

#include <QString>
#include <vector>
#include <pgsql/libpq-fe.h>

template<typename T>
class PgContainer {
public:
	using t_Container = std::vector<T>; ///< Do not assume it will stay a vector only expect bidirectional access

	typename t_Container::const_iterator begin() const
	{
		return m_container.begin();
	}

	typename t_Container::const_iterator end() const
	{
		return m_container.end();
	}

	void clear()
	{
		m_container.clear();
	}

	int count() const
	{
		return (int)m_container.size();
	}

	const T& getByOid(Oid oid) const
	{
		auto lb_result = std::lower_bound(m_container.begin(), m_container.end(), oid);
		if (lb_result != m_container.end() && lb_result->oid == oid)
			return *lb_result;

		return m_invalidInstance;
	}

	const T& getByName(const QString &name) const
	{
		auto find_res = std::find(m_container.begin(), m_container.end(), name);

		if (find_res != m_container.end())
			return *find_res;

		return m_invalidInstance;
	}

	const T& getByIdx(int idx) const
	{
		return m_container.at(idx);
	}
protected:
	t_Container m_container;
private:
	T m_invalidInstance;

};

#endif // PGCONTAINER_H