// Copyright (c) 2022 Dominic Masters
// 
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT

#pragma once
#include "Asset.hpp"

namespace Dawn {
  class AssetManager {
    private:
      /** List of pointers to assets, mapped by their asset key. */
      std::map<std::string, Asset*> assets;
      std::map<std::string, Asset*> assetsNotLoaded;

    public:
      void init();
      void update();

      /**
       * Creates and queue an asset to load.
       * 
       * @param name Name of the asset to load.
       * @return The asset element to be loaded.
       */
      template<class T>
      T * load(std::string name) {
        assertTrue(name.size() > 0);
        
        auto existing = this->assets.find(name);
        if(existing != this->assets.end()) {
          return (T*)existing->second;
        }
        auto asset = new T(this, name);
        this->assets[name] = asset;
        this->assetsNotLoaded[name] = asset;
        return asset;
      }

      template<class T>
      void unload(std::string name) {
        assertUnreachable();
        //should delete the asset for you
      }

      ~AssetManager();
  };
}