#include "MetaCorePlatform/MetaCoreWindow.h"
#include "MetaCoreRender/MetaCoreEditorViewportRenderer.h"
#include "MetaCoreRender/MetaCoreRenderDevice.h"
#include "MetaCoreRender/MetaCoreRenderTypes.h"
#include "MetaCoreScene/MetaCoreScene.h"

#include <filesystem>
#include <iostream>

namespace {

MetaCore::MetaCoreSceneView MetaCoreBuildPlayerSceneView() {
    MetaCore::MetaCoreSceneView sceneView;
    sceneView.CameraPosition = {0.0F, 2.5F, 6.5F};
    sceneView.CameraTarget = {0.0F, 0.7F, 0.0F};
    sceneView.CameraUp = {0.0F, 1.0F, 0.0F};
    sceneView.VerticalFieldOfViewDegrees = 60.0F;
    return sceneView;
}

}  // namespace

int main(int argc, char* argv[]) {
    if (argc > 0) {
        std::filesystem::current_path(std::filesystem::path(argv[0]).parent_path());
    }

    MetaCore::MetaCoreWindow window;
    if (!window.Initialize(1280, 720, "MetaCore Player")) {
        std::cerr << "MetaCorePlayer: window initialize failed\n";
        return 1;
    }

    MetaCore::MetaCoreRenderDevice renderDevice;
    if (!renderDevice.Initialize(window)) {
        std::cerr << "MetaCorePlayer: render device initialize failed\n";
        return 1;
    }

    MetaCore::MetaCoreEditorViewportRenderer viewportRenderer;
    if (!viewportRenderer.Initialize(renderDevice)) {
        std::cerr << "MetaCorePlayer: viewport renderer initialize failed\n";
        return 1;
    }

    MetaCore::MetaCoreScene scene = MetaCore::MetaCoreCreateDefaultScene();

    while (!window.ShouldClose()) {
        window.BeginFrame();
        const auto [windowWidth, windowHeight] = window.GetWindowSize();
        viewportRenderer.SetViewportRect(MetaCore::MetaCoreViewportRect{
            0.0F,
            0.0F,
            static_cast<float>(windowWidth),
            static_cast<float>(windowHeight)
        });
        viewportRenderer.RenderSceneToViewport(scene, MetaCoreBuildPlayerSceneView());
        renderDevice.RenderFrame();
        renderDevice.PresentFrame();
        window.EndFrame();
    }

    viewportRenderer.Shutdown();
    renderDevice.Shutdown();
    window.Shutdown();
    return 0;
}