#ifndef SANDBOX2D_HPP
#define SANDBOX2D_HPP

#include <dlfcn.h>
#include <open_engine.hpp>

#include "imgui.h"

#include <glm/ext/matrix_transform.hpp>
#include <glm/glm.hpp>

class Sandbox2DLayer : public OpenEngine::Layer
{
    public:
        Sandbox2DLayer()
            : OpenEngine::Layer("sandbox_2d"),
            camera((float)OpenEngine::Application::Get().GetWindow().GetWidth() /
                    OpenEngine::Application::Get().GetWindow().GetHeight(), 1.0f)
        {
        }
        ~Sandbox2DLayer() {};

        void OnAttach() override
        {
            bindings = {
                {"fwd/bckwd", 1},
                {"right/left", 0},
                {"yaw", 2}
            };

            face = OpenEngine::Texture2D::Create("assets/textures/awesomeface.png");
        }

        void OnDetach() override
        {
        }

        void OnUpdate() override
        {
            OpenEngine::RenderCommand::SetClearColor({0.11f, 0.11f, 0.15f, 1.0f});
            OpenEngine::RenderCommand::Clear();

            OpenEngine::Renderer2D::BeginScene(camera.GetCamera());

            OpenEngine::Renderer2D::DrawQuad(glm::vec2(0.5f, 0.5f), glm::vec2(0.3f), glm::vec4(color[0], color[1], color[2], color[3]));
            OpenEngine::Renderer2D::DrawQuad(glm::vec2(-0.2f, -0.2f), glm::vec2(0.5f, 0.2f), {0.5f, 0.3f, 0.8f, 1.0f});
            OpenEngine::Renderer2D::DrawQuad(glm::vec3(0.0f, 0.0f, -0.1f), glm::vec2(1.0f, 1.0f), face);

            OpenEngine::Renderer2D::EndScene();
        }

        bool StopRunning(OpenEngine::KeyPressedEvent& event)
        {
            if (event.GetKeyCode() == OE_KEY_ESCAPE) {
                OpenEngine::Application::Get().StopRunning();

                return true;
            }

            return false;
        }

        void OnEvent(OpenEngine::Event& event) override
        {
            OpenEngine::EventDispatcher dispatcher(event);

            //dispatcher.Dispatch<OpenEngine::KeyPressedEvent>(BIND_EVENT_FN(Sandbox2DLayer::StopRunning));
            camera.OnEvent(event);
        }

        void OnImGuiRender() override
        {
            ImGui::Begin("Square settings");
            ImGui::ColorEdit4("Square color", color);
            ImGui::End();
        }

    private:
        //OpenEngine::ShaderLibrary shader_library;

        glm::vec3 square_pos = glm::vec3(0.0f);
        glm::vec4 square_color = glm::vec4(1.0f);

        float color[4] = {0.5f, 0.3f, 0.4f, 1.0f};
        OpenEngine::Ref<OpenEngine::Texture2D> face;

        std::unordered_map<std::string, unsigned int> bindings;
        OpenEngine::OrthographicCameraController camera = {1280.0f / 1440.0f, 1.0f};
};

#endif // SANDBOX2D_HPP