#include "InputProviderGLFW.hpp"
#include "InputMappingGLFW.hpp"
#include "../../Input/InputManager.hpp"

namespace openVulkanoCpp
{
	namespace GLFW
	{
		constexpr KeyboardInputMapping keyboardMapping = KeyboardInputMapping();

		InputProviderGLFW* InputProviderGLFW::INSTANCE = nullptr;

		void InputProviderGLFW::Init()
		{
			if (INSTANCE) throw PlatformInitFailedException("An instance of the GLFW input provider has already been initialized!");
			INSTANCE = this;
			glfwSetJoystickCallback(&JoystickCallback);

			// register already connected controller
			for (int i = 0; i < GLFW_JOYSTICK_LAST; i++)
			{
				if (glfwJoystickPresent(i) == GLFW_TRUE)
				{
					OnJoystickConnect(i);
				}
			}
			mouseButtons = 0;

			keyboard.Init(0, "Keyboard");
			mouse.Init(0, "Mouse");
			Input::InputManager::GetInstace()->RegisterInputDevice(&mouse);
			Input::InputManager::GetInstace()->RegisterInputDevice(&keyboard);
		}

		void InputProviderGLFW::OnJoystickConnect(int joystickId)
		{
			controllers[joystickId].Init(joystickId);
			Input::InputManager::GetInstace()->RegisterInputDevice(&controllers[joystickId]);
		}

		void InputProviderGLFW::OnJoystickDisconnect(int joystickId)
		{
			Input::InputManager::GetInstace()->UnregisterInputDevice(&controllers[joystickId]);

			controllers[joystickId].Close();
		}

		void InputProviderGLFW::SetKeyboardKey(IWindow* window, int key, int scanCode, int action, int mods)
		{
			if (action == GLFW_REPEAT)
			{
				//TODO handle repeat for text inputs
			}
			else
			{
				keyboard.UpdateKey(static_cast<Input::InputKey::Keyboard::Key>(keyboardMapping.Map(key)), action == GLFW_PRESS);
			}
			//TODO handle keyboard notifications
		}
	}
}