//
// Created by sebastian on 23.12.25.
//

#include "Application.h"

#include "EngineTime.h"
#include "../../game/scenes/main/events/QuitEvent.h"
#include "../platform/glfw/InputManager.h"
#include "inputsOutputs/stateControl/StateRegistry.h"
#include "../core/scenes/SceneManager.h"
#include "../core/scenes/Scene.h"
Application* Application::instance = nullptr;

void Application::updateTime() {
    const auto now = static_cast<float>(glfwGetTime());
    EngineTime::deltaTime = now - lastFrame;
    EngineTime::totalTime += EngineTime::deltaTime;
    lastFrame = now;

    // printf("Frametime: %f\n", EngineTime::deltaTime);
}

Application::Application()
{
    instance = this;
    context = std::make_unique<EngineContext>();
    sceneManager = std::make_unique<SceneManager>(*context.get());

    WindowProps window_props = WindowProps();
    window_props.Width = 1280;
    window_props.Height = 720;
    window_props.Title = "DiceSettlers v0.0.1";
    window_props.VSync = true;

    window.reset(Window::Create(window_props));
    keyboard = std::make_unique<Keyboard>(*window);
    mouse = std::make_unique<Mouse>(*window);
    stateManager = std::make_unique<StateManager>(StateRegistry::get().empty, StateRegistry::get().game);

    EventBus::getInstance().subscribe<QuitEvent>([this](const QuitEvent& e) {
       window->close();
    });
}

Application::~Application()
{
}

void Application::run() {
    while (!window->shouldClose())
    {
        window->OnUpdate();
        updateTime();

        sceneManager->update();
        sceneManager->render();

        InputManager::update();

        mouse->update();
        keyboard->update();
        stateManager->updateState();
    }
}

Application& Application::getInstance()
{
    return *instance;
}