#include <algorithm>
#include <memory>

#include "../ComponentManager.h"

#include "SceneManager.h"

using namespace crepe;
using namespace std;

SceneManager & SceneManager::get_instance() {
	static SceneManager instance;
	return instance;
}

void SceneManager::set_next_scene(const string & name) { next_scene = name; }

void SceneManager::load_next_scene() {
	// next scene not set
	if (this->next_scene.empty()) return;

	auto it
		= find_if(this->scenes.begin(), this->scenes.end(),
				  [&next_scene = this->next_scene](unique_ptr<Scene> & scene) {
					  return scene->name == next_scene;
				  });

	// next scene not found
	if (it == this->scenes.end()) return;
	unique_ptr<Scene> & scene = *it;

	// Delete all components of the current scene
	ComponentManager & mgr = ComponentManager::get_instance();
	mgr.delete_all_components();

	// Load the new scene
	scene->load_scene();
}