/*
Crafter®.Graphics
Copyright (C) 2025 Catcrafts®
Catcrafts.net

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
*/

module;

#include <cstdint>
#include <fcntl.h>
#include <linux/input.h>
#include <unistd.h>
#include <wayland-cursor.h>
#include <vulkan/vulkan.h>
#include <vulkan/vulkan_wayland.h>
#include <wayland-client.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <unistd.h>
#include <wayland-client.h>
#include <wayland-client-protocol.h>
#include <linux/input-event-codes.h>
#include <xkbcommon/xkbcommon.h>
#include "../lib/xdg-shell-client-protocol.h"
#include "../lib/wayland-xdg-decoration-unstable-v1-client-protocol.h"
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <linux/input.h>
#include <sys/mman.h>
#include <unistd.h>
#include <wayland-cursor.h>
#include <xkbcommon/xkbcommon.h>
#include <vulkan/vulkan.h>
#include <vulkan/vulkan_wayland.h>
#include <wayland-client.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <time.h>
#include <unistd.h>
#include <string.h>
#include <print>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <unistd.h>
#include <wayland-client.h>
#include <wayland-client-protocol.h>
#include <linux/input-event-codes.h>

module Crafter.Graphics:Window_impl;
import :Window;
import std;
import Crafter.Event;
using namespace Crafter;


void randname(char *buf) {
	struct timespec ts;
	clock_gettime(CLOCK_REALTIME, &ts);
	long r = ts.tv_nsec;
	for (int i = 0; i < 6; ++i) {
		buf[i] = 'A'+(r&15)+(r&16)*2;
		r >>= 5;
	}
}

int anonymous_shm_open(void) {
	char name[] = "/hello-wayland-XXXXXX";
	int retries = 100;

	do {
		randname(name + strlen(name) - 6);

		--retries;
		// shm_open guarantees that O_CLOEXEC is set
		int fd = shm_open(name, O_RDWR | O_CREAT | O_EXCL, 0600);
		if (fd >= 0) {
			shm_unlink(name);
			return fd;
		}
	} while (retries > 0 && errno == EEXIST);

	return -1;
}

int create_shm_file(off_t size) {
	int fd = anonymous_shm_open();
	if (fd < 0) {
		return fd;
	}

	if (ftruncate(fd, size) < 0) {
		close(fd);
		return -1;
	}

	return fd;
}

int counter = 0;

void ScaleBitmapR8G8B8(Pixel_BU8_GU8_RU8_AU8* dst, const Pixel_BU8_GU8_RU8_AU8* src, std::uint32_t srcWidth, std::uint32_t srcHeight, std::uint32_t dstWidth, std::uint32_t dstHeight) {
    for (std::uint32_t y = 0; y < dstHeight; y++) {
		std::uint32_t srcY = y * srcHeight / dstHeight;
        for (std::uint32_t x = 0; x < dstWidth; x++) {
            std::uint32_t srcX = x * srcWidth / dstWidth;
            const Pixel_BU8_GU8_RU8_AU8* srcPixel = src + (srcY * srcWidth + srcX);
			Pixel_BU8_GU8_RU8_AU8* dstPixel = dst + (y * dstWidth + x);
            dstPixel[0] = srcPixel[0];
        }
    }
}

Window::Window(std::string name, std::uint32_t width, std::uint32_t height) : name(name), width(width), height(height) {
	display = wl_display_connect(NULL);
	if (display == NULL) {
		std::cerr <<  "failed to create display" << std::endl;
	}
	
	wl_registry* registry = wl_display_get_registry(display);
	wl_registry_add_listener(registry, &registry_listener, this);
	if (wl_display_roundtrip(display) == -1) {
		exit(EXIT_FAILURE);
	}
	if (shm == NULL || compositor == NULL || xdgWmBase == NULL) {
		std::cerr << "no wl_shm, wl_compositor or xdg_wm_base support" << std::endl;
		exit(EXIT_FAILURE);
	}

	surface = wl_compositor_create_surface(compositor);
	xdgSurface = xdg_wm_base_get_xdg_surface(xdgWmBase, surface);
	xdgToplevel = xdg_surface_get_toplevel(xdgSurface);
	cb = wl_surface_frame(surface);

	wl_callback_add_listener(cb, &surface_frame_listener, this);
	xdg_surface_add_listener(xdgSurface, &xdg_surface_listener, this);
	xdg_toplevel_add_listener(xdgToplevel, &xdg_toplevel_listener, this);
	wl_surface_commit(surface);

	xdg_toplevel_set_title(xdgToplevel, name.c_str());

	while (wl_display_dispatch(display) != -1 && !configured) {}


	wl_surface_commit(surface);

	zxdg_toplevel_decoration_v1* decoration = zxdg_decoration_manager_v1_get_toplevel_decoration(manager, xdgToplevel);
	zxdg_toplevel_decoration_v1_set_mode(decoration, ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);

	// Create a wl_buffer, attach it to the surface and commit the surface
	int stride = width * 4;
	int size = stride * height;

	// Allocate a shared memory file with the right size
	int fd = create_shm_file(size);
	if (fd < 0) {
		fprintf(stderr, "creating a buffer file for %d B failed: %m\n", size);
	}

	// Map the shared memory file
	framebuffer = reinterpret_cast<Pixel_BU8_GU8_RU8_AU8*>(mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0));
	if (framebuffer == MAP_FAILED) {
		fprintf(stderr, "mmap failed: %m\n");
		close(fd);
	}

	// Create a wl_buffer from our shared memory file descriptor
	wl_shm_pool *pool = wl_shm_create_pool(shm, fd, size);
	buffer = wl_shm_pool_create_buffer(pool, 0, width, height, stride, WL_SHM_FORMAT_ARGB8888);
	wl_shm_pool_destroy(pool);

	// Now that we've mapped the file and created the wl_buffer, we no longer
	// need to keep file descriptor opened
	close(fd);

	if (buffer == NULL) {
		exit(EXIT_FAILURE);
	}

	wl_surface_attach(surface, buffer, 0, 0);
	wl_surface_commit(surface);
}

ScaleData Window::ScaleElement(const UiElement& element) {
    ScaleData data;
	if(element.ignoreScaling) {
		if(element.useRelativeSize) {
			data.width = element.relativeWidth*width;
			data.height = element.relativeHeight*height;
		} else {
			data.width = element.absoluteWidth;
			data.height = element.absoluteHeight;
		}
	} else {
		if(element.useRelativeSize) {
			data.width = element.relativeWidth*width*scale;
			data.height = element.relativeHeight*height*scale;
		} else {
			data.width  = element.absoluteWidth*scale;
			data.height = element.absoluteHeight*scale;
		}
	}
	data.x = (element.anchorX*width)-(element.anchorOffsetX*data.width);
	data.y = (element.anchorY*height)-(element.anchorOffsetY*data.height);
    return data;
}

ScaleData ScaleElement(const UiElement& element, const ScaleData& parent, const Window* window) {
    ScaleData data;
	if(element.ignoreScaling) {
		if(element.useRelativeSize) {
			data.width = element.relativeWidth*parent.width;
			data.height = element.relativeHeight*parent.height;
		} else {
			data.width = element.absoluteWidth;
			data.height = element.absoluteHeight;
		}
	} else {
		if(element.useRelativeSize) {
			data.width = element.relativeWidth*parent.width*window->scale;
			data.height = element.relativeHeight*parent.height*window->scale;
		} else {
			data.width  = element.absoluteWidth*window->scale;
			data.height = element.absoluteHeight*window->scale;
		}
	}
	data.x = ((element.anchorX*parent.width)-(element.anchorOffsetX*data.width))+parent.x;
	data.y = ((element.anchorY*parent.height)-(element.anchorOffsetY*data.height))+parent.y;
    return data;
}

static void xdg_wm_base_handle_ping(void* data, xdg_wm_base* xdg_wm_base, std::uint32_t serial) {
	xdg_wm_base_pong(xdg_wm_base, serial);
}

xdg_wm_base_listener xdgWmBaseListener = {
.ping = xdg_wm_base_handle_ping,
};

void RenderElements(Window* window, const UiElement& parent, const ScaleData& parentScale) {
	std::vector<UiElement*> drawOrder;
	drawOrder.reserve(parent.children.size());
	for (const std::unique_ptr<UiElement>& e : parent.children) drawOrder.push_back(e.get());
	std::sort(drawOrder.begin(), drawOrder.end(), [](UiElement* a, UiElement* b){ return a->z < b->z; });

	for(const UiElement* element : drawOrder) {
		ScaleData data = ScaleElement(*element, parentScale, window);
		std::vector<Pixel_BU8_GU8_RU8_AU8> scaled(data.width*data.height);
		ScaleBitmapR8G8B8(scaled.data(), element->buffer.data(), element->bufferWidth, element->bufferHeight, data.width, data.height);
		for (std::int32_t x = data.x; x - data.x < data.width; x++) {
			for (std::int32_t y = data.y; y - data.y < data.height; y++) {
				if (x >= 0 && x <  window->width && y >= 0 && y <  window->height) {
					Pixel_BU8_GU8_RU8_AU8& dst = window->framebuffer[y * window->width + x];
					const Pixel_BU8_GU8_RU8_AU8& src = scaled[(y - data.y) * data.width + (x - data.x)];

					float srcA = src.a / 255.0f;
					float dstA = dst.a / 255.0f;

					float outA = srcA + dstA * (1.0f - srcA);
					if (outA > 0.0f) {
						dst.r = static_cast<uint8_t>((src.r * srcA + dst.r * dstA * (1.0f - srcA)) / outA);
						dst.g = static_cast<uint8_t>((src.g * srcA + dst.g * dstA * (1.0f - srcA)) / outA);
						dst.b = static_cast<uint8_t>((src.b * srcA + dst.b * dstA * (1.0f - srcA)) / outA);
						dst.a = static_cast<uint8_t>(outA * 255);
					}
				}
			}
		}
		RenderElements(window, *element, data);
	}
}

void Window::wl_surface_frame_done(void* data, struct wl_callback *cb, uint32_t time)
{
	wl_callback_destroy(cb);
	Window* window = reinterpret_cast<Window*>(data);
	cb = wl_surface_frame(window->surface);
	wl_callback_add_listener(cb, &Window::surface_frame_listener, window);

	std::vector<UiElement*> drawOrder;
	drawOrder.reserve(window->elements.size());
	for (UiElement& e : window->elements) drawOrder.push_back(&e);
	std::sort(drawOrder.begin(), drawOrder.end(), [](UiElement* a, UiElement* b){ return a->z < b->z; });

	for(const UiElement* element : drawOrder) {
		ScaleData data = window->ScaleElement(*element);
		std::vector<Pixel_BU8_GU8_RU8_AU8> scaled(data.width*data.height);
		ScaleBitmapR8G8B8(scaled.data(), element->buffer.data(), element->bufferWidth, element->bufferHeight, data.width, data.height);
		for (std::int32_t x = data.x; x - data.x < data.width; x++) {
			for (std::int32_t y = data.y; y - data.y < data.height; y++) {
				if (x >= 0 && x <  window->width && y >= 0 && y <  window->height) {
					Pixel_BU8_GU8_RU8_AU8& dst = window->framebuffer[y * window->width + x];
					const Pixel_BU8_GU8_RU8_AU8& src = scaled[(y - data.y) * data.width + (x - data.x)];

					float srcA = src.a / 255.0f;
					float dstA = dst.a / 255.0f;

					float outA = srcA + dstA * (1.0f - srcA);
					if (outA > 0.0f) {
						dst.r = static_cast<uint8_t>((src.r * srcA + dst.r * dstA * (1.0f - srcA)) / outA);
						dst.g = static_cast<uint8_t>((src.g * srcA + dst.g * dstA * (1.0f - srcA)) / outA);
						dst.b = static_cast<uint8_t>((src.b * srcA + dst.b * dstA * (1.0f - srcA)) / outA);
						dst.a = static_cast<uint8_t>(outA * 255);
					}
				}
			}
		}
		RenderElements(window, *element, data);
	}


	wl_surface_attach(window->surface, window->buffer, 0, 0);
	wl_surface_damage(window->surface, 0, 0, window->width, window->height);
	wl_surface_commit(window->surface);
}

wl_callback_listener Window::surface_frame_listener = {
	.done = wl_surface_frame_done,
};

void Window::pointer_handle_button(void* data, wl_pointer* pointer, std::uint32_t serial, std::uint32_t time, std::uint32_t button, std::uint32_t state) {
	Window* window = reinterpret_cast<Window*>(data);
	if (button == BTN_LEFT) {
		if(state == WL_POINTER_BUTTON_STATE_PRESSED) {
			window->mouseLeftHeld = true;
			window->onMouseLeftClick.Invoke(window->currentMousePos);	
			for(UiElement& element : window->elements) {
				ScaleData data = window->ScaleElement(element);
				if(window->currentMousePos.x >= data.x && window->currentMousePos.x <= data.x+data.width && window->currentMousePos.y > data.y && window->currentMousePos.y < data.y+data.height) {
					element.onMouseLeftClick.Invoke({window->currentMousePos.x-data.x, window->currentMousePos.y-data.y});
				}
			}
		} else {
			window->mouseLeftHeld = false;
			window->onMouseLeftRelease.Invoke(window->currentMousePos);	
			for(UiElement& element : window->elements) {
				ScaleData data = window->ScaleElement(element);
				if(window->currentMousePos.x >= data.x && window->currentMousePos.x <= data.x+data.width && window->currentMousePos.y > data.y && window->currentMousePos.y < data.y+data.height) {
					element.onMouseLeftRelease.Invoke({window->currentMousePos.x-data.x, window->currentMousePos.y-data.y});
				}
			}
		}
	} else if(button == BTN_RIGHT){
		if(state == WL_POINTER_BUTTON_STATE_PRESSED) {
			window->mouseRightHeld = true;
			window->onMouseRightClick.Invoke(window->currentMousePos);
			for(UiElement& element : window->elements) {
				ScaleData data = window->ScaleElement(element);
				if(window->currentMousePos.x >= data.x && window->currentMousePos.x <= data.x+data.width && window->currentMousePos.y > data.y && window->currentMousePos.y < data.y+data.height) {
					element.onMouseRightClick.Invoke({window->currentMousePos.x-data.x, window->currentMousePos.y-data.y});
				}
			}	
		} else {
			window->mouseRightHeld = true;
			window->onMouseRightRelease.Invoke(window->currentMousePos);
			for(UiElement& element : window->elements) {
				ScaleData data = window->ScaleElement(element);
				if(window->currentMousePos.x >= data.x && window->currentMousePos.x <= data.x+data.width && window->currentMousePos.y > data.y && window->currentMousePos.y < data.y+data.height) {
					element.onMouseRightRelease.Invoke({window->currentMousePos.x-data.x, window->currentMousePos.y-data.y});
				}
			}		
		}
	}
}

void Window::PointerListenerHandleMotion(void* data, wl_pointer* wl_pointer, uint time, wl_fixed_t surface_x, wl_fixed_t surface_y) {
	Window* window = reinterpret_cast<Window*>(data);
	MousePoint pos = {wl_fixed_to_double(surface_x), wl_fixed_to_double(surface_y)};
	window->lastMousePos = window->currentMousePos;
	window->currentMousePos = pos;
	window->mouseDelta = {window->currentMousePos.x-window->lastMousePos.x, window->currentMousePos.y-window->lastMousePos.y};
	window->onMouseMove.Invoke({window->lastMousePos, window->currentMousePos, window->mouseDelta});
	for(UiElement& element : window->elements) {
		ScaleData data = window->ScaleElement(element);
		if(window->currentMousePos.x >= data.x && window->currentMousePos.x <= data.x+data.width && window->currentMousePos.y > data.y && window->currentMousePos.y < data.y+data.height) {
			element.onMouseMove.Invoke({window->currentMousePos.x-data.x, window->currentMousePos.y-data.y});
			if(!(window->lastMousePos.x >= data.x && window->lastMousePos.x <= data.x+data.width && window->lastMousePos.y > data.y && window->lastMousePos.y < data.y+data.height)) {
				element.onMouseEnter.Invoke({window->currentMousePos.x-data.x, window->currentMousePos.y-data.y});
			}
		} else if(window->lastMousePos.x >= data.x && window->lastMousePos.x <= data.x+data.width && window->lastMousePos.y > data.y && window->lastMousePos.y < data.y+data.height) {
			element.onMouseLeave.Invoke({window->currentMousePos.x-data.x, window->currentMousePos.y-data.y});
		}
	}	
}

void Window::PointerListenerHandleEnter(void* data, wl_pointer* wl_pointer, uint serial, wl_surface* surface, wl_fixed_t surface_x, wl_fixed_t surface_y) {
	Window* window = reinterpret_cast<Window*>(data);
	window->onMouseEnter.Invoke({window->lastMousePos, window->currentMousePos, window->mouseDelta});
}

void Window::PointerListenerHandleLeave(void* data, wl_pointer*, std::uint32_t, wl_surface*) {
	Window* window = reinterpret_cast<Window*>(data);
	window->onMouseEnter.Invoke({window->lastMousePos, window->currentMousePos, window->mouseDelta});
}

void Window::PointerListenerHandleAxis(void*, wl_pointer*, std::uint32_t, std::uint32_t, wl_fixed_t value) {

}

wl_pointer_listener Window::pointer_listener = {
.enter = Window::PointerListenerHandleEnter,
.leave = Window::PointerListenerHandleLeave,
.motion = Window::PointerListenerHandleMotion,
.button = Window::pointer_handle_button,
.axis = Window::PointerListenerHandleAxis,
};

xkb_keymap* xkb_keymap;
xkb_context* xkb_context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
xkb_state* xkb_state;


void keyboard_keymap(void *data, wl_keyboard *keyboard, uint32_t format, int fd, uint32_t size) {
	if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) {
        close(fd);
        fprintf(stderr, "Unsupported keymap format\n");
        return;
    }

    void *map = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
    if (map == MAP_FAILED) {
        close(fd);
        perror("mmap");
        return;
    }

    xkb_context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
    xkb_keymap = xkb_keymap_new_from_string(xkb_context, (const char *)map, XKB_KEYMAP_FORMAT_TEXT_V1,XKB_KEYMAP_COMPILE_NO_FLAGS);
    munmap(map, size);
    close(fd);

    xkb_state = xkb_state_new(xkb_keymap);
}

void keyboard_enter(void *data, wl_keyboard *keyboard, uint32_t serial, wl_surface *surface, wl_array *keys) {

}

void keyboard_leave(void *data, wl_keyboard *keyboard, uint32_t serial, wl_surface *surface) {

}

void keyboard_key(void *data, wl_keyboard *keyboard, uint32_t serial, uint32_t time, uint32_t key, uint32_t state) {
	if (!xkb_state) {
		return;
	}

	Window* window = reinterpret_cast<Window*>(data);

	xkb_keycode_t keycode = key + 8;
	xkb_keysym_t keysym = xkb_state_key_get_one_sym(xkb_state, keycode);

	char utf8[8] = {0};
	int len = xkb_keysym_to_utf8(keysym, utf8, sizeof(utf8));
	if (len != 0) {
		char keypress = utf8[0];
		if(state == WL_KEYBOARD_KEY_STATE_PRESSED) {
			if(window->heldkeys[keypress]) {
				window->onKeyHold[keypress].Invoke();
				window->onAnyKeyHold.Invoke(keypress);
			} else{
				window->heldkeys[keypress] = true;
				window->onKeyDown[keypress].Invoke();
				window->onAnyKeyDown.Invoke(keypress);
			}
		} else{
			window->heldkeys[keypress] = false;
			window->onKeyUp[keypress].Invoke();
			window->onAnyKeyUp.Invoke(keypress);
		}
		
	} else {
		// // fallback for keys like Return, Escape, etc.
		// char name[64];
		// if (xkb_keysym_get_name(keysym, name, sizeof(name)) > 0) {
		// 	printf("Key %s pressed (non-printable or multi-char)\n", name);
		// }
	}
}

void keyboard_modifiers(void *data, wl_keyboard *keyboard, uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched, uint32_t mods_locked, uint32_t group) {

}

void keyboard_repeat_info(void *data, wl_keyboard *keyboard, int32_t rate, int32_t delay) {

}

wl_keyboard_listener Window::keyboard_listener = {
	.keymap = keyboard_keymap,
	.enter = keyboard_enter,
	.leave = keyboard_leave,
	.key = keyboard_key,
	.modifiers = keyboard_modifiers,
	.repeat_info = keyboard_repeat_info,
};

void Window::seat_handle_capabilities(void* data, wl_seat* seat, uint32_t capabilities) {
	Window* window = reinterpret_cast<Window*>(data);
	window->seat = seat;
	if (capabilities & WL_SEAT_CAPABILITY_POINTER) {
		wl_pointer* pointer = wl_seat_get_pointer(seat);
		wl_pointer_add_listener(pointer, &pointer_listener, window);
	}
	if (capabilities & WL_SEAT_CAPABILITY_KEYBOARD) {
        wl_keyboard* keyboard = wl_seat_get_keyboard(seat);
        wl_keyboard_add_listener(keyboard, &keyboard_listener, window);
    }
}

wl_seat_listener Window::seat_listener = {
.capabilities = seat_handle_capabilities,
};

void Window::handle_global(void *data, wl_registry *registry, std::uint32_t name, const char *interface, std::uint32_t version) {
	Window* window = reinterpret_cast<Window*>(data);
	if (strcmp(interface, wl_shm_interface.name) == 0) {
		window->shm = reinterpret_cast<wl_shm*>(wl_registry_bind(registry, name, &wl_shm_interface, 1));
	} else if (strcmp(interface, wl_seat_interface.name) == 0) {
		wl_seat* seat = reinterpret_cast<wl_seat*>(wl_registry_bind(registry, name, &wl_seat_interface, 1));
		wl_seat_add_listener(seat, &seat_listener, window);
	} else if (compositor == NULL && strcmp(interface, wl_compositor_interface.name) == 0) {
		compositor =  reinterpret_cast<wl_compositor*>(wl_registry_bind(registry, name, &wl_compositor_interface, 1));
	} else if (strcmp(interface, xdg_wm_base_interface.name) == 0) {
		window->xdgWmBase = reinterpret_cast<xdg_wm_base*>(wl_registry_bind(registry, name, &xdg_wm_base_interface, 1));
		xdg_wm_base_add_listener(window->xdgWmBase, &xdgWmBaseListener, NULL);
	} else if (strcmp(interface, zxdg_decoration_manager_v1_interface.name) == 0) {
		window->manager = reinterpret_cast<zxdg_decoration_manager_v1*>(wl_registry_bind(registry, name, &zxdg_decoration_manager_v1_interface, 1));
	}
}

static void handle_global_remove(void* data, wl_registry* registry, uint32_t name) {

	
}

wl_registry_listener Window::registry_listener = {
.global = Window::handle_global,
.global_remove = handle_global_remove,
};

static void noop5(void*, xdg_toplevel*, std::int32_t, std::int32_t, wl_array*){
	
}

void Window::xdg_toplevel_handle_close(void* data, xdg_toplevel*) {
	Window* window = reinterpret_cast<Window*>(data);
	window->onClose.Invoke();
	window->open = false;
}

xdg_toplevel_listener Window::xdg_toplevel_listener = {
.configure = noop5,
.close = Window::xdg_toplevel_handle_close,
};

void Window::xdg_surface_handle_configure(void* data, xdg_surface* xdg_surface, std::uint32_t serial) {
	Window* window = reinterpret_cast<Window*>(data);
	// The compositor configures our surface, acknowledge the configure event
	xdg_surface_ack_configure(xdg_surface, serial);

	if (window->configured) {
		// If this isn't the first configure event we've received, we already
		// have a buffer attached, so no need to do anything. Commit the
		// surface to apply the configure acknowledgement.
		wl_surface_commit(window->surface);
	}

	window->configured = true;
}

xdg_surface_listener Window::xdg_surface_listener = {
.configure = xdg_surface_handle_configure,
};

Window::~Window() {
	xdg_toplevel_destroy(xdgToplevel);
	xdg_surface_destroy(xdgSurface);
	wl_surface_destroy(surface);
	wl_buffer_destroy(buffer);
}

void Window::StartSync() {
	while (open && wl_display_dispatch(display) != -1) {

	}
}