#ifndef RESOURCEHOLDER_H
#define RESOURCEHOLDER_H

#include <assert.h>
#include <string>
#include <memory>
#include <map>

namespace sf { class Texture; class Font; }

template <typename Resource, typename Id>
class ResourceHolder
{
public:
    bool load(Id id, const std::string& filename)
    {
        std::unique_ptr<Resource> resource(new Resource());
        if (!resource->loadFromFile(filename))
            return false;

        map_resources[id] = std::move(resource);

        return true;
    }

    Resource& get(Id id) const
    {
        const auto found = map_resources.find(id);
        assert(found != map_resources.end());

        return *found->second;
    }

private:
    std::map<Id, std::unique_ptr<Resource>> map_resources;
};

// /////////////////////////////////////////////////////////// //

namespace Textures
{
    enum class Id
    {
        Player,
        Weakling,
        Shotguner,

        Background
    };
}

using TextureHolder = ResourceHolder<sf::Texture, Textures::Id>;
using FontHolder = ResourceHolder<sf::Font, Textures::Id>;

#endif // RESOURCEHOLDER_H