#include <Debug/DebugTopBar.h>

#include <game.h>
#include <imgui.h>

namespace
{
    String GetGameModeName(GameMode gameMode)
    {
        switch (gameMode)
        {
        case GameMode::Editor: return WrapString("Editor");
        case GameMode::Play: return WrapString("Play");
        case GameMode::Debug: return WrapString("Debug");
        default: return WrapString("Unknown ERROR");
        }
    }
} // namespace

void DrawTopBar()
{
    auto* gameState = GetGameState();

    ImGuiViewport* viewport = ImGui::GetMainViewport();
    ImGui::SetNextWindowPos(viewport->Pos);
    ImGui::SetNextWindowSize(ImVec2(viewport->Size.x, 10.0f));

    ImGuiWindowFlags flags = ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoSavedSettings |
                             ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoNav;

    ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(0.0f, 0.0f, 0.0f, 0.6f));
    ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(10.0f, 5.0f));

    if (ImGui::Begin("TopBarOverlay", nullptr, flags))
    {
        ImGui::Text("Game Mode: %s", CStr(GetGameModeName(gameState->Mode)));

        char fps_text[32];
        snprintf(fps_text, sizeof(fps_text), "FPS: %.1f (%.2f ms)", ImGui::GetIO().Framerate, 1000.0f / ImGui::GetIO().Framerate);
        float text_width = ImGui::CalcTextSize(fps_text).x;
        ImGui::SameLine(viewport->Size.x - text_width - 15.0f); // 15px right padding
        // Render FPS text
        ImGui::Text("%s", fps_text);
    }
    ImGui::End();

    ImGui::PopStyleVar();
    ImGui::PopStyleColor();
}