#include "headers/core.hpp"

namespace asloengine
{

    static sf::RenderWindow *main_window;
    static Settings active_settings;

    void init(Scene *starting_scene, Settings _settings)
    {

        LOG("START Init");

        main_window = new sf::RenderWindow();

        apply_settings(_settings);

        SceneManager::load_scene(starting_scene);

        LOG("END Init");

    }

    Settings get_active_settings()
    {

        return active_settings;

    }

    void apply_settings(Settings _settings)
    {

        active_settings = _settings;

        if (active_settings.fullscreen_enabled)
        {
            main_window->create(sf::VideoMode(active_settings.resolution_x, active_settings.resolution_y, active_settings.bit_depth),
            PROGRAM_INFO, sf::Style::Fullscreen);
        } else {
            main_window->create(sf::VideoMode(active_settings.resolution_x, active_settings.resolution_y, active_settings.bit_depth),
            PROGRAM_INFO, sf::Style::Close);
        }
        
        main_window->setPosition(_settings.window_position);
        main_window->setVerticalSyncEnabled(active_settings.vsync_enabled);
        main_window->setFramerateLimit(active_settings.max_framerate);

    }

    void start_main_game_loop()
    {

        LOG("START Main Game Loop");

        sf::Clock clock;
        bool quitting = false;

        SceneManager::scene->start(main_window);
        
        // Main Game Loop
        while (main_window->isOpen())
        {

            Keyboard::entered_text = 0;
            Mouse::mouse_wheel_delta = 0;

            // Process Events
            sf::Event event;
            while (main_window->pollEvent(event))
            {   
                switch (event.type)
                {

                    case sf::Event::Closed:
                        SceneManager::unload_scene();
                        quitting = true;
                        main_window->close();
                        break;
                    
                    case sf::Event::TextEntered:
                        Keyboard::entered_text = event.text.unicode;
                        break;
                    
                    case sf::Event::MouseWheelScrolled:
                        Mouse::mouse_wheel_delta = event.mouseWheelScroll.delta;
                        break;

                }
            }

            main_window->clear();
            
            // Scene Drawing
            if (SceneManager::scene != NULL)
            {
                SceneManager::scene->update(clock.restart().asSeconds());
                SceneManager::scene->draw();
            } else if (!quitting) {
                WARN("no scene loaded (pointer refering to nothing)");
            }
        
            main_window->display();

            // Load Next Scene if Requested
            if (SceneManager::next_scene != NULL)
            {
                SceneManager::load_scene(SceneManager::next_scene, main_window);
                SceneManager::next_scene = NULL;
            }
            
        }

        delete main_window;

        LOG("END Main Game Loop");

    }

}