#define _POSIX_C_SOURCE 199309L
#include <time.h>
#include <stdlib.h>
#include <wlr/types/wlr_compositor.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_gamma_control.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_wl_shell.h>
#include <wlr/types/wlr_xdg_shell_v6.h>
#include <wlr/util/log.h>
#include "rootston/desktop.h"
#include "rootston/server.h"

static void handle_xdg_shell_v6_surface(struct wl_listener *listener,
		void *data) {
	struct roots_desktop *desktop =
		wl_container_of(listener, desktop, xdg_shell_v6_surface);
	struct wlr_xdg_surface_v6 *surface = data;
	wlr_log(L_DEBUG, "new xdg surface: title=%s, app_id=%s",
		surface->title, surface->app_id);
	wlr_xdg_surface_v6_ping(surface);
}

struct roots_desktop *desktop_create(struct roots_server *server,
		struct roots_config *config) {
	struct roots_desktop *desktop = calloc(1, sizeof(struct roots_desktop));
	wlr_log(L_DEBUG, "Initializing roots desktop");

	wl_list_init(&desktop->outputs);
	wl_list_init(&desktop->output_add.link);
	desktop->output_add.notify = output_add_notify;
	wl_list_init(&desktop->output_remove.link);
	desktop->output_remove.notify = output_remove_notify;

	wl_signal_add(&server->backend->events.output_add,
			&desktop->output_add);
	wl_signal_add(&server->backend->events.output_remove,
			&desktop->output_remove);

	desktop->server = server;
	desktop->config = config;
	desktop->layout = wlr_output_layout_create();
	desktop->compositor = wlr_compositor_create(
			server->wl_display, server->renderer);
	desktop->wl_shell = wlr_wl_shell_create(server->wl_display);

	wlr_cursor_attach_output_layout(server->input->cursor, desktop->layout);
	wlr_cursor_map_to_region(server->input->cursor, config->cursor.mapped_box);

	desktop->xdg_shell_v6 = wlr_xdg_shell_v6_create(server->wl_display);
	wl_signal_add(&desktop->xdg_shell_v6->events.new_surface,
		&desktop->xdg_shell_v6_surface);
	desktop->xdg_shell_v6_surface.notify = handle_xdg_shell_v6_surface;

	desktop->gamma_control_manager = wlr_gamma_control_manager_create(
			server->wl_display);

	return desktop;
}

void desktop_destroy(struct roots_desktop *desktop) {
	// TODO
}