#include "TestImgui.h"

#include "imgui.h"
#include "backends/imgui_impl_glfw.h"
#include "backends/imgui_impl_opengl3.h"

#include <GLFW/glfw3.h>

TestImgui::TestImgui(void* h, Archimedes::App* a) : Archimedes::GuiModule(h, a) {

    name = "TestImgui";
}

TestImgui::~TestImgui() {
    ImGui_ImplOpenGL3_Shutdown();
    ImGui_ImplGlfw_Shutdown();
    ImGui::DestroyContext();
}

void TestImgui::onLoad() {
    
    createWindow();

    window->getRenderer().init();

    IMGUI_CHECKVERSION();
    ImGui::CreateContext();
    ImGuiIO& io = ImGui::GetIO(); (void)io;
    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;     // Enable Keyboard Controls
    io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;      // Enable Gamepad Controls

    io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;         // Enable Docking
    //io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;       // Enable Multi-Viewport / Platform Windows

    // Setup Dear ImGui style
    ImGui::StyleColorsDark();
    //ImGui::StyleColorsLight();

    // Setup Platform/Renderer backends
    ImGui_ImplGlfw_InitForOpenGL(window->getWindowImpl().getWindow(), true);
    ImGui_ImplOpenGL3_Init("#version 130");
    
}

void TestImgui::run() {
    ImGui_ImplOpenGL3_NewFrame();
    ImGui_ImplGlfw_NewFrame();
    ImGui::NewFrame();

    ImGui::ShowDemoWindow(&this->demo);

    ImGui::Render();

    window->getRenderer().addRenderCmd([](){
        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());

        if (ImGui::GetIO().ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
        {
            ImGui::UpdatePlatformWindows();
            ImGui::RenderPlatformWindowsDefault();
        }
    });

    if(window->shouldClose())
        app->end();
    window->doFrame();

}