#pragma once

// Must be the first include
#include <glad/glad.h>

// Other includes
#include <GLFW/glfw3.h>

#include "RenderBackend.h"
#include <map>

namespace Gedeng {

class Input {
  public:
    static void initialize(GLFWwindow *window) {
        glfwSetKeyCallback(window, key_callback);
    }

    // FIXME: Ignore warnings produced by these unused variables -- they're required for the callback to work
    static void key_callback(GLFWwindow *window, int key, int scancode, int action, int mods) {
        if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS) glfwSetWindowShouldClose(window, GLFW_TRUE);

        Input::set_key_down(key, action == GLFW_RELEASE ? false : true);
    }

    static void poll_input() {
        glfwPollEvents();
    }

    static void set_key_down(int key, bool down) {
        keys_down[key] = down;
    }

    static bool is_key_down(int key) {
        return keys_down[key];
    }

    inline static std::map<int, bool> keys_down;
};

} // namespace Gedeng