#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <math.h>
#include <inttypes.h>
#include <gtk/gtk.h>

#include "shared.h"
#include "generated.h"
#include "rcm-client-main.h"
#include "rcm-client-receive.h"

#define WINDOW_WIDTH  300
#define WINDOW_HEIGHT 300

struct keymap_entry {
	char *protocol;
	guint64 scancode;
	char *keycode;
};

struct remote {
	char *id;
	char *name;
	char *description;
	guint16 width;
	guint16 height;
	GList *buttons;
	GtkWidget *widget;
	GtkWidget *grid;
	GtkWidget *frame;
	GtkWidget *edit_button;
	GList *keymap;
};

enum rcbutton_type {
	RCBUTTON_TYPE_NORMAL,
	RCBUTTON_TYPE_BLANK
};

struct rcbutton {
	char *name;
	enum rcbutton_type type;
	GtkWidget *button;
	guint x;
	guint y;
	struct remote *remote;
};

struct state {
	RCDevice *object;
	GList *remotes;
	GList *header_buttons;
	bool editing;
	GtkWidget *stack;
	GtkWidget *stack_switch;
};
	
static struct state state;

/*
static void
quick_message(GtkWidget *widget, gchar *message)
{
	GtkWindow *parent = GTK_WINDOW(gtk_widget_get_toplevel(widget));
	GtkWidget *dialog, *label, *content_area;
	GtkDialogFlags flags;

	flags = GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL;

	dialog = gtk_dialog_new_with_buttons("Message", parent, flags, "OK",
					     GTK_RESPONSE_NONE, NULL);
	content_area = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
	label = gtk_label_new(message);
	g_signal_connect_swapped(dialog, "response", G_CALLBACK(gtk_widget_destroy), dialog);
	gtk_container_add(GTK_CONTAINER(content_area), label);
	gtk_widget_show_all(dialog);
}
*/

/* Hacky McHack - Estimate the size needed for a button with ABCDEF */
static int
calculate_img_size(GtkWidget *button)
{
	static bool first = true;
	static int size;
	cairo_surface_t *surface;
	cairo_t *ct;
	PangoLayout *layout;
	PangoFontDescription *font_description;

	if (!first)
		return size;

	surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 1, 1);
	ct = cairo_create(surface);
	layout = pango_cairo_create_layout(ct);

	gtk_style_context_get(gtk_widget_get_style_context(button),
			      gtk_widget_get_state_flags(button),
			      GTK_STYLE_PROPERTY_FONT, &font_description,
			      NULL);

	pango_layout_set_font_description(layout, font_description);
	pango_font_description_free(font_description);
	pango_layout_set_text(layout, "ABCDEF", -1);
	pango_layout_get_pixel_size(layout, &size, NULL);
	g_object_unref(layout);
	cairo_destroy(ct);
	cairo_surface_destroy(surface);

	first = false;
	return size;
}

#define REMOTE_BUTTON_PADDING 2.0f
static void
create_button_img(GtkWidget *button, const char *keycode)
{
	struct linux_input_keycode *lik;
	cairo_surface_t *surface;
	cairo_t *ct;
	PangoLayout *layout;
	PangoFontDescription *font_description;
	GtkWidget *img;
	const char *label = keycode;
	double x, y;
	double scale_x, scale_y;
	double scale = 1.0;
	GdkRGBA *color;
	gint pw, ph;
	int img_size;
     
	for (lik = &linux_input_keycodes[0]; lik->name; lik++)
		if (keycode && !strcmp(lik->name, keycode))
			break;

	if (!lik->name) {
		printf("Unknown keycode! %s\n", keycode);
		label = "<?>";
	}

	if (lik->cairo_surface)
		goto out;

	img_size = calculate_img_size(button);
	surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
					     img_size, img_size);
	ct = cairo_create(surface);

	gtk_style_context_get(gtk_widget_get_style_context(button),
			      gtk_widget_get_state_flags(button),
			      GTK_STYLE_PROPERTY_FONT, &font_description,
			      GTK_STYLE_PROPERTY_COLOR, &color,
			      NULL);

	gdk_cairo_set_source_rgba(ct, color);
	gdk_rgba_free(color);

	if (!strcmp(keycode, "KEY_RESERVED")) {
		x = (float)img_size / 2.0f;
		y = (float)img_size / 2.0f;
		cairo_set_line_width(ct, 2);
		cairo_translate(ct, x, y);

		cairo_arc(ct, 0, 0, x - 2 - REMOTE_BUTTON_PADDING * 2.0f, 0, 2 * M_PI);
		cairo_stroke(ct);

		cairo_set_line_width(ct, 3);
		cairo_move_to(ct, -x + 3 + REMOTE_BUTTON_PADDING * 4.0f, 0);
		cairo_line_to(ct,  x - 3 - REMOTE_BUTTON_PADDING * 4.0f, 0);
		cairo_stroke(ct);  
		cairo_move_to(ct, 0, -y + 3 + REMOTE_BUTTON_PADDING * 4.0f);
		cairo_line_to(ct, 0,  y - 3 - REMOTE_BUTTON_PADDING * 4.0f);
		cairo_stroke(ct);  

	} else {
		if (!strncmp(label, "KEY_NUMERIC_", strlen("KEY_NUMERIC_")))
			label += strlen("KEY_NUMERIC_");
		else if (!strncmp(label, "KEY_", strlen("KEY_")))
			label += strlen("KEY_");

		layout = pango_cairo_create_layout(ct);
		pango_layout_set_font_description(layout, font_description);
		pango_font_description_free(font_description);
		pango_layout_set_text(layout, label, -1);
		pango_layout_get_pixel_size(layout, &pw, &ph);

		scale_x = ((float)img_size  - REMOTE_BUTTON_PADDING * 2.0f) / (float)pw;
		scale_y = ((float)img_size - REMOTE_BUTTON_PADDING * 2.0f) / (float)ph;
		scale = scale_x < scale ? scale_x : scale;
		scale = scale_y < scale ? scale_y : scale;
		x = (float)img_size  / 2.0f - ((float)pw / 2.0f) * scale;
		y = (float)img_size / 2.0f - ((float)ph / 2.0f) * scale;
		cairo_move_to(ct, x, y);
		cairo_scale(ct, scale, scale);
		pango_cairo_show_layout(ct, layout);
		g_object_unref(layout);
	}

	cairo_destroy(ct);
	lik->cairo_surface = surface;

out:
	img = gtk_image_new_from_surface(lik->cairo_surface);
	gtk_button_set_image(GTK_BUTTON(button), img);
}

static GtkWidget *
new_button_widget(struct rcbutton *rcb, const gchar *protocol, guint64 scancode,
		  const gchar *keycode);

static GtkWidget *
new_blank_widget(struct rcbutton *rcb);

static void
edit_button_dialog(GtkButton *button, struct rcbutton *rcb)
{
	GtkWindow *parent = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button)));
	GtkWidget *dialog;
	GtkWidget *content_area;
	GtkWidget *grid;
	GtkWidget *icon;
	GtkWidget *keycode_label;
	GtkWidget *keycode_cbox;
	GtkWidget *comment_label;
	GtkWidget *comment_entry;
	gint r;
	GList *ke;
	unsigned i;

	dialog = gtk_dialog_new_with_buttons("Edit Button", parent,
					     GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL,
					     "Delete", GTK_RESPONSE_NO,
					     "OK", GTK_RESPONSE_ACCEPT,
					     "Cancel", GTK_RESPONSE_REJECT,
					     NULL);

	grid = gtk_grid_new();
	gtk_grid_set_column_spacing(GTK_GRID(grid), 12);
	gtk_grid_set_row_spacing(GTK_GRID(grid), 12);
	gtk_container_set_border_width(GTK_CONTAINER(grid), 12);

	icon = gtk_image_new_from_icon_name("preferences-desktop-keyboard", GTK_ICON_SIZE_DIALOG);
	gtk_widget_set_valign(icon, GTK_ALIGN_START);
	gtk_grid_attach(GTK_GRID(grid), icon, 0, 1, 1, 2);

	keycode_label = gtk_label_new("Keycode:");

	gtk_widget_set_halign(keycode_label, GTK_ALIGN_START);
	keycode_cbox = gtk_combo_box_text_new();
	for (ke = rcb->remote->keymap, i = 0; ke; ke = ke->next, i++) {
		struct keymap_entry *entry = ke->data;

		gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(keycode_cbox),
					  NULL, entry->keycode);
		if (rcb->name && !strcmp(rcb->name, entry->keycode))
			gtk_combo_box_set_active(GTK_COMBO_BOX(keycode_cbox), i);
	}
	gtk_grid_attach(GTK_GRID(grid), keycode_label, 1, 1, 1, 1);
	gtk_grid_attach(GTK_GRID(grid), keycode_cbox, 2, 1, 1, 1);

	comment_label = gtk_label_new("Comment:");
	gtk_widget_set_halign(comment_label, GTK_ALIGN_START);
	comment_entry = gtk_entry_new();
	gtk_entry_set_max_length(GTK_ENTRY(comment_entry), 100);
	gtk_entry_set_placeholder_text(GTK_ENTRY(comment_entry), "No comment");
	gtk_grid_attach(GTK_GRID(grid), comment_label, 1, 2, 1, 1);
	gtk_grid_attach(GTK_GRID(grid), comment_entry, 2, 2, 1, 1);

	content_area = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
	gtk_container_set_border_width(GTK_CONTAINER(content_area), 12);
	gtk_container_add(GTK_CONTAINER(content_area), grid);
	gtk_widget_show_all(dialog);

	gchar *keycode;
	r = gtk_dialog_run(GTK_DIALOG(dialog));
	switch (r) {
	case GTK_RESPONSE_ACCEPT:
		keycode = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(keycode_cbox));
		if (!keycode)
			goto out;

		printf("New keycode is %s\n", keycode);

		if (rcb->name)
			g_free(rcb->name);

		if (rcb->button)
			gtk_widget_destroy(rcb->button);

		rcb->name = keycode;
		rcb->type = RCBUTTON_TYPE_NORMAL;
		rcb->button = new_button_widget(rcb, "dummy", 0xf001f001, keycode);
		gtk_widget_show_all(rcb->button);
		break;

	case GTK_RESPONSE_NO:
		if (rcb->type == RCBUTTON_TYPE_BLANK)
			goto out;

		g_free(rcb->name);
		rcb->name = NULL;
		rcb->type = RCBUTTON_TYPE_BLANK;
		gtk_widget_destroy(rcb->button);
		rcb->button = new_blank_widget(rcb);
		gtk_revealer_set_reveal_child(GTK_REVEALER(rcb->button), true);
		gtk_widget_show_all(rcb->button);
		break;
	
	default:
		break;
	}

out:
	gtk_widget_destroy(dialog);
}

static void
edit_button(GtkButton *button, gpointer user_data)
{
	struct rcbutton *rcb = user_data;
	gboolean active = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));

	if (!state.editing || !active)
		return;

	switch (rcb->type) {
	case RCBUTTON_TYPE_NORMAL:
	case RCBUTTON_TYPE_BLANK:
		edit_button_dialog(button, rcb);
		break;
	default:
		break;
	}

	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), false);
}

static GtkWidget *
new_blank_widget(struct rcbutton *rcb)
{
	GtkWidget *revealer;
	GtkWidget *button;

	revealer = gtk_revealer_new();
	gtk_revealer_set_reveal_child(GTK_REVEALER(revealer), false);
	gtk_revealer_set_transition_type(GTK_REVEALER(revealer), GTK_REVEALER_TRANSITION_TYPE_CROSSFADE);
	gtk_grid_attach(GTK_GRID(rcb->remote->grid), revealer, rcb->x, rcb->y, 1, 1);

	button = gtk_toggle_button_new();
	g_signal_connect(button, "clicked", G_CALLBACK(edit_button), rcb);
	gtk_widget_set_sensitive(button, true);
	gtk_widget_set_tooltip_text(button, "Add key");
	gtk_container_add(GTK_CONTAINER(revealer), button);
	create_button_img(button, "KEY_RESERVED");

	return revealer;
}

static struct rcbutton *
new_blank_add(struct remote *remote, guint x, guint y)
{
	struct rcbutton *rcb;

	rcb = g_malloc0(sizeof(*rcb));
	rcb->type = RCBUTTON_TYPE_BLANK;
	rcb->remote = remote;
	rcb->x = x;
	rcb->y = y;
	rcb->button = new_blank_widget(rcb);

	return rcb;
}

static GtkWidget *
new_button_widget(struct rcbutton *rcb, const gchar *protocol, guint64 scancode,
		  const gchar *keycode)
{
	GtkWidget *button;
	gchar *tooltip;

	button = gtk_toggle_button_new();
	g_signal_connect(button, "clicked", G_CALLBACK(edit_button), rcb);
	gtk_widget_set_sensitive(button, false);
	tooltip = g_strdup_printf("Protocol: %s\nScancode: 0x%08" PRIx64 "\nKeycode : %s", protocol, scancode, keycode);
	gtk_widget_set_tooltip_text(button, tooltip);
	g_free(tooltip);
	gtk_grid_attach(GTK_GRID(rcb->remote->grid), button, rcb->x, rcb->y, 1, 1);
	create_button_img(button, keycode);

	return button;
}

static struct rcbutton *
new_button_add(struct remote *remote, const gchar *protocol, guint64 scancode,
	       const char *keycode, guint x, guint y)
{
	struct rcbutton *rcb;

	rcb = g_malloc0(sizeof(*rcb));
	rcb->type = RCBUTTON_TYPE_NORMAL;
	rcb->remote = remote;
	rcb->name = strdup(keycode);
	rcb->x = x;
	rcb->y = y;
	rcb->button = new_button_widget(rcb, protocol, scancode, keycode);

	return rcb;
}

/* FIXME: These two functions should probably move to the core */
static void
create_header_button(const gchar *tooltip, const gchar *icon_name, gboolean end,
		     GCallback callback, gpointer user_data)
{
	GtkWidget *button;

	button = gtk_button_new_from_icon_name(icon_name, GTK_ICON_SIZE_BUTTON);

	if (tooltip)
		gtk_widget_set_tooltip_text(button, tooltip);

	g_signal_connect(button, "clicked", callback, user_data);
	gtk_widget_show_all(button);

	if (end)
		gtk_header_bar_pack_end(GTK_HEADER_BAR(global->header), button);
	else
		gtk_header_bar_pack_start(GTK_HEADER_BAR(global->header), button);

	state.header_buttons = g_list_prepend(state.header_buttons, button);
}

static void
remove_header_buttons(void)
{
	GList *l;

	for (l = state.header_buttons; l; l = l->next)
		gtk_widget_destroy(l->data);

	g_list_free(state.header_buttons);
	state.header_buttons = NULL;
}

static void toggle_edit_keymap(GtkButton *button, gpointer user_data);

static void
resize_layout(struct remote *remote, guint16 new_width, guint16 new_height)
{
	guint16 old_width = remote->width;
	guint16 old_height = remote->height;
	guint16 x, y;
	GList *new_buttons = NULL;

	printf("Resizing...\n");

	if (new_width < old_width || new_height < old_height) {
		GList *b = remote->buttons;

		for (y = 0; y < old_height; y++) {
			for (x = 0; x < old_width; x++) {
				GList *delete = b;
				struct rcbutton *rcb = delete->data;

				b = b->next;
				if (x < new_width && y < new_height)
					continue;

				printf("\tDeleting old button at %ux%u\n", x, y);
				remote->buttons = g_list_remove_link(remote->buttons, delete);
				gtk_widget_destroy(rcb->button);
				g_free(rcb->name);
				g_free(rcb);
				g_list_free(delete);
			}
		}
	}

	for (y = 0; y < new_height; y++) {
		for (x = 0; x < new_width; x++) {

			if (x < old_width && y < old_height) {
				GList *b;

				b = remote->buttons;
				remote->buttons = g_list_remove_link(remote->buttons, b);
				new_buttons = g_list_concat(new_buttons, b);
				printf("\tCopied button at %ux%u\n", x, y);
			} else {
				struct rcbutton *rcb;
				rcb = new_blank_add(remote, x, y);
				new_buttons = g_list_append(new_buttons, rcb);
				gtk_revealer_set_reveal_child(GTK_REVEALER(rcb->button), true);
				printf("\tNew button at %ux%u\n", x, y);
			}
		}
	}

	g_assert(remote->buttons == NULL);

	remote->buttons = new_buttons;
	remote->width = new_width;
	remote->height = new_height;

	g_object_ref(remote->edit_button);
	gtk_container_remove(GTK_CONTAINER(remote->grid), remote->edit_button);
	gtk_grid_attach(GTK_GRID(remote->grid), remote->edit_button, 0, -1, remote->width, 1);
	g_object_unref(remote->edit_button);

	gtk_widget_show_all(remote->grid);
}

static void
update_remote(struct remote *remote)
{
	GVariantBuilder kbuilder;
	GVariantBuilder lbuilder;
	GList *l;

	g_variant_builder_init(&kbuilder, G_VARIANT_TYPE("aa{sv}"));
	for (l = remote->keymap; l; l = l->next) {
		struct keymap_entry *ke = l->data;

		g_variant_builder_open(&kbuilder, G_VARIANT_TYPE ("a{sv}"));

		g_variant_builder_add(&kbuilder, "{sv}", "protocol",
				      g_variant_new_string(ke->protocol));

		g_variant_builder_add(&kbuilder, "{sv}", "scancode",
				      g_variant_new_uint64(ke->scancode));

		g_variant_builder_add(&kbuilder, "{sv}", "keycode",
				      g_variant_new_string(ke->keycode));

		g_variant_builder_close(&kbuilder);
	}

	g_variant_builder_init(&lbuilder, G_VARIANT_TYPE("aa{sv}"));
	for (l = remote->buttons; l; l = l->next) {
		struct rcbutton *rcb = l->data;

		g_variant_builder_open(&lbuilder, G_VARIANT_TYPE ("a{sv}"));

		switch (rcb->type) {
		case RCBUTTON_TYPE_NORMAL:
			g_variant_builder_add(&lbuilder, "{sv}", "type",
					      g_variant_new_string("button"));
			g_variant_builder_add(&lbuilder, "{sv}", "keycode",
					      g_variant_new_string(rcb->name));
			break;

		case RCBUTTON_TYPE_BLANK:
			g_variant_builder_add(&lbuilder, "{sv}", "type",
					      g_variant_new_string("blank"));
			break;

		default:
			g_assert_not_reached();
		}

		g_variant_builder_close(&lbuilder);
	}

	rcdevice_call_set_keymap_sync(state.object, remote->id,
				      remote->name, remote->description,
				      remote->width, remote->height,
				      g_variant_builder_end(&kbuilder),
				      g_variant_builder_end(&lbuilder),
				      NULL, NULL);
}

static void
properties_dialog(GtkButton *button, gpointer user_data)
{
	struct remote *remote = user_data;
	GtkWindow *parent = GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(button)));
	GtkWidget *dialog;
	GtkWidget *content_area;
	GtkWidget *grid;
	GtkWidget *icon;
	GtkWidget *id_label;
	GtkWidget *id;
	GtkWidget *name_label;
	GtkWidget *name_input;
	GtkWidget *desc_label;
	GtkWidget *desc_input;
	GtkWidget *width_label;
	GtkAdjustment *width_adj;
	GtkWidget *width_input;
	GtkWidget *height_label;
	GtkAdjustment *height_adj;
	GtkWidget *height_input;
	gint r;
	const gchar *name;
	gchar *name_cpy;
	const gchar *desc;
	gchar *desc_cpy;
	gint width;
	gint height;

	dialog = gtk_dialog_new_with_buttons("Keymap Properties", parent,
					     GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_MODAL,
					     "OK", GTK_RESPONSE_ACCEPT,
					     "Cancel", GTK_RESPONSE_REJECT,
					     NULL);

	grid = gtk_grid_new();
	gtk_grid_set_column_spacing(GTK_GRID(grid), 12);
	gtk_grid_set_row_spacing(GTK_GRID(grid), 12);
	gtk_container_set_border_width(GTK_CONTAINER(grid), 12);

	icon = gtk_image_new_from_icon_name("document-page-setup", GTK_ICON_SIZE_DIALOG);
	gtk_widget_set_valign(icon, GTK_ALIGN_START);
	gtk_grid_attach(GTK_GRID(grid), icon, 0, 1, 1, 2);

	id_label = gtk_label_new("ID:");
	gtk_widget_set_halign(id_label, GTK_ALIGN_START);
	id = gtk_label_new(remote->id);
	gtk_widget_set_halign(id, GTK_ALIGN_START);
	gtk_grid_attach(GTK_GRID(grid), id_label, 1, 1, 1, 1);
	gtk_grid_attach(GTK_GRID(grid), id, 2, 1, 1, 1);

	name_label = gtk_label_new("Name:");
	gtk_widget_set_halign(name_label, GTK_ALIGN_START);
	name_input = gtk_entry_new();
	gtk_widget_set_hexpand(name_input, true);
	gtk_entry_set_max_length(GTK_ENTRY(name_input), 100);
	gtk_entry_set_text(GTK_ENTRY(name_input), remote->name);
	gtk_grid_attach(GTK_GRID(grid), name_label, 1, 2, 1, 1);
	gtk_grid_attach(GTK_GRID(grid), name_input, 2, 2, 1, 1);

	desc_label = gtk_label_new("Description:");
	gtk_widget_set_halign(desc_label, GTK_ALIGN_START);
	desc_input = gtk_entry_new();
	gtk_widget_set_hexpand(desc_input, true);
	gtk_entry_set_max_length(GTK_ENTRY(desc_input), 100);
	gtk_entry_set_text(GTK_ENTRY(desc_input), remote->description);
	gtk_grid_attach(GTK_GRID(grid), desc_label, 1, 3, 1, 1);
	gtk_grid_attach(GTK_GRID(grid), desc_input, 2, 3, 1, 1);

	width_label = gtk_label_new("Width");
	gtk_widget_set_halign(width_label, GTK_ALIGN_START);
	width_adj = gtk_adjustment_new(remote->width, 1.0, 100.0, 1.0, 5.0, 0.0);
	width_input = gtk_spin_button_new(width_adj, 1.0, 0);
	gtk_widget_set_hexpand(width_input, true);
	gtk_grid_attach(GTK_GRID(grid), width_label, 1, 4, 1, 1);
	gtk_grid_attach(GTK_GRID(grid), width_input, 2, 4, 1, 1);

	height_label = gtk_label_new("Height:");
	gtk_widget_set_halign(height_label, GTK_ALIGN_START);
	height_adj = gtk_adjustment_new(remote->height, 1.0, 100.0, 1.0, 5.0, 0.0);
	height_input = gtk_spin_button_new(height_adj, 1.0, 0);
	gtk_widget_set_hexpand(height_input, true);
	gtk_grid_attach(GTK_GRID(grid), height_label, 1, 5, 1, 1);
	gtk_grid_attach(GTK_GRID(grid), height_input, 2, 5, 1, 1);

	content_area = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
	gtk_container_set_border_width(GTK_CONTAINER(content_area), 12);
	gtk_container_add(GTK_CONTAINER(content_area), grid);
	gtk_widget_show_all(dialog);

	r = gtk_dialog_run(GTK_DIALOG(dialog));
	if (r != GTK_RESPONSE_ACCEPT)
		goto out;

	name = gtk_entry_get_text(GTK_ENTRY(name_input));
	desc = gtk_entry_get_text(GTK_ENTRY(desc_input));
	width = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(width_input));
	height = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(height_input));

	if (!name || strlen(name) < 1) {
		printf("Invalid name: %s\n", name ? name : "NULL");
		goto out;
	}

	if (!desc || strlen(desc) < 1) {
		printf("Invalid description: %s\n", desc ? desc : "NULL");
		goto out;
	}

	if (width < 1 || width > REMOTE_LAYOUT_MAX_WIDTH) {
		printf("Invalid width: %i\n", width);
		goto out;
	}

	if (height < 1 || height > REMOTE_LAYOUT_MAX_HEIGHT) {
		printf("Invalid height: %i\n", height);
		goto out;
	}

	name_cpy = strdup(name);
	desc_cpy = strdup(desc);

	if (!name_cpy || !desc_cpy) {
		free(name_cpy);
		free(desc_cpy);
		printf("strdup failed\n");
		goto out;
	}

	free(remote->name);
	free(remote->description);
	remote->name = name_cpy;
	remote->description = desc_cpy;

	resize_layout(remote, width, height);

	update_remote(remote);

	gtk_frame_set_label(GTK_FRAME(remote->frame), remote->name);
	gtk_widget_set_name(gtk_frame_get_label_widget(GTK_FRAME(remote->frame)),
			    "RemoteControlClientRemoteLabel");

out:
	gtk_widget_destroy(dialog);
}

static void
show_hardware_list(GtkButton *button, gpointer user_data)
{
	remove_header_buttons();
	gtk_header_bar_set_custom_title(GTK_HEADER_BAR(global->header), NULL);
	gtk_stack_set_visible_child_name(global->stack, "hardware_page");

	if (state.stack_switch)
		gtk_widget_destroy(state.stack_switch);

	if (state.stack)
		gtk_widget_destroy(state.stack);

	g_object_unref(state.stack_switch);
	state.stack_switch = NULL;
	state.stack = NULL;
}

static void
set_edit_keymap(bool editing)
{
	GList *l;

	remove_header_buttons();

	create_header_button("Return to hardware list", "go-previous-symbolic", false, G_CALLBACK(show_hardware_list), NULL);
	if (editing)
		create_header_button("Save changes", "document-save-symbolic", true, G_CALLBACK(toggle_edit_keymap), NULL);
	else
		create_header_button("Edit keymaps", "document-properties-symbolic", true, G_CALLBACK(toggle_edit_keymap), NULL);

	for (l = state.remotes; l; l = l->next) {
		struct remote *remote = l->data;
		GList *b;

		if (editing) {
			remote->edit_button = gtk_button_new_with_label("Properties");
			g_signal_connect(remote->edit_button, "clicked", G_CALLBACK(properties_dialog), remote);
			gtk_grid_attach(GTK_GRID(remote->grid), remote->edit_button, 0, -1, remote->width, 1);
			gtk_widget_show_all(remote->edit_button);
		} else {
			if (remote->edit_button)
				gtk_widget_destroy(remote->edit_button);
			remote->edit_button = NULL;
		}

		for (b = remote->buttons; b; b = b->next) {
			struct rcbutton *rcb = b->data;

			switch (rcb->type) {
			case RCBUTTON_TYPE_BLANK:
				gtk_revealer_set_reveal_child(GTK_REVEALER(rcb->button), editing);
				break;
			case RCBUTTON_TYPE_NORMAL:
				gtk_widget_set_sensitive(rcb->button, editing);
				gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(rcb->button), false);
				break;
			default:
				break;
			}
		}
	}
}

static void
toggle_edit_keymap(GtkButton *button, gpointer user_data)
{
	state.editing = !state.editing;
	set_edit_keymap(state.editing);
}

void rcng_client_receive_key_pressed(GDBusObject *obj, const gchar *protocol,
				     guint64 scancode, const gchar *keycode)
{
	GList *l;
	unsigned affected = 0;

	/* FIXME: Use object path, this is just test code */
	if (state.editing)
		return;

	for (l = state.remotes; l; l = l->next) {
		struct remote *remote = l->data;
		GList *button;

		for (button = remote->buttons; button; button = button->next) {
			struct rcbutton *rcb = button->data;

			if (rcb->type != RCBUTTON_TYPE_NORMAL)
				continue;

			if (strcmp(keycode, rcb->name))
				continue;

			gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(rcb->button), true);
			affected++;
		}
	}

	g_print("Key %s:0x%08" PRIx64 ":%s pressed (%u affected)\n", protocol, scancode, keycode, affected);
}

void rcng_client_receive_key_released(GDBusObject *obj, const gchar *keycode)
{
	GList *l;
	unsigned affected = 0;

	/* FIXME: Use object path, this is just test code */
	if (state.editing)
		return;

	for (l = state.remotes; l; l = l->next) {
		struct remote *remote = l->data;
		GList *button;

		for (button = remote->buttons; button; button = button->next) {
			struct rcbutton *rcb = button->data;

			if (rcb->type != RCBUTTON_TYPE_NORMAL)
				continue;

			if (strcmp(keycode, rcb->name))
				continue;

			gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(rcb->button), false);
			affected++;
		}
	}

	g_print("Key %s released (%u affected)\n", keycode, affected);
}

static struct remote *
get_keymap(RCDevice *object, const gchar *keymap_id)
{
	struct remote *remote;
	GVariant *keymap_entries = NULL;
	GVariant *layout_entries = NULL;

	remote = g_malloc0(sizeof(*remote));
	remote->id = strdup(keymap_id);

	rcdevice_call_get_keymap_sync(object, keymap_id,
				      &remote->name, &remote->description,
				      &remote->width, &remote->height,
				      &keymap_entries, &layout_entries,
				      NULL, NULL);

	g_assert(g_variant_is_of_type(keymap_entries, G_VARIANT_TYPE("aa{sv}")));
	g_assert(g_variant_is_of_type(layout_entries, G_VARIANT_TYPE("aa{sv}")));

	GtkWidget *fixed;
	fixed = gtk_fixed_new();
	gtk_widget_set_name(fixed, "RemoteControlClientFixed");
	remote->widget = fixed;

	GtkWidget *frame;
	frame = gtk_frame_new(remote->name);
	gtk_widget_set_name(gtk_frame_get_label_widget(GTK_FRAME(frame)), "RemoteControlClientRemoteLabel");
	gtk_widget_set_name(frame, "RemoteControlClientRemoteFrame");
	gtk_fixed_put(GTK_FIXED(fixed), frame, 0, 0);
	remote->frame = frame;

	GtkWidget *grid;
	grid = gtk_grid_new();
	gtk_container_add(GTK_CONTAINER(frame), grid);
	gtk_grid_set_column_spacing(GTK_GRID(grid), 12);
	gtk_grid_set_row_spacing(GTK_GRID(grid), 12);
	gtk_grid_set_column_homogeneous(GTK_GRID(grid), true);
	gtk_grid_set_row_homogeneous(GTK_GRID(grid), true);
	gtk_container_set_border_width(GTK_CONTAINER(grid), 12);
	remote->grid = grid;

	GVariantIter iter;
	gsize n_items;
	GVariant *item;
 
	n_items = g_variant_iter_init(&iter, keymap_entries);
	g_print("Keymap items: %zu\n", n_items);
	while (g_variant_iter_loop (&iter, "@a{sv}", &item)) {
		gchar *protocol;
		guint64 scancode;
		gchar *keycode;
		struct keymap_entry *entry;

		g_variant_lookup(item, "protocol", "s", &protocol);
		g_variant_lookup(item, "scancode", "t", &scancode);
		g_variant_lookup(item, "keycode", "s", &keycode);

		entry = g_malloc0(sizeof(*entry));
		entry->protocol = protocol;
		entry->scancode = scancode;
		entry->keycode = keycode;
		remote->keymap = g_list_append(remote->keymap, entry);
	}

	n_items = g_variant_iter_init(&iter, layout_entries);
	g_print("Layout items: %zu\n", n_items);
	guint row = 0;
	guint col = 0;
	while (g_variant_iter_loop (&iter, "@a{sv}", &item)) {
		gchar *type;
		struct keymap_entry *keymap_entry;

		g_variant_lookup(item, "type", "s", &type);

		if (!strcmp(type, "button")) {
			GList *k;
			gchar *keycode;

			g_variant_lookup(item, "keycode", "s", &keycode);

			for (k = remote->keymap; k; k = k->next) {
				struct keymap_entry *tmp = k->data;

				if (!strcmp(keycode, tmp->keycode))
					break;
			}

			if (k)
				keymap_entry = k->data;
			else
				keymap_entry = NULL;

		} else if (!strcmp(type, "blank")) {
			printf("Got a blank\n");
			keymap_entry = NULL;

		} else {
			printf("Error: unknown type: %s (treating as blank)\n", type);
			keymap_entry = NULL;
		}

		if (keymap_entry) {
			struct rcbutton *rcb;

			rcb = new_button_add(remote,
					     keymap_entry->protocol,
					     keymap_entry->scancode,
					     keymap_entry->keycode,
					     col, row);
			remote->buttons = g_list_append(remote->buttons, rcb);
			printf("Got a button: %s:0x%08" PRIx64 ":%s\n",
			       keymap_entry->protocol, keymap_entry->scancode,
			       keymap_entry->keycode);

		} else {
			struct rcbutton *rcb;

			rcb = new_blank_add(remote, col, row);
			remote->buttons = g_list_append(remote->buttons, rcb);
		}

		col++;
		if (col >= remote->width) {
			col = 0;
			row++;
		}

	}

	return remote;
}

void rcng_client_receive_init_ui(GDBusObject *new_hw)
{
	unsigned i;
	GtkWidget *scrollda;
	GtkWidget *label;

	state.remotes = NULL;
	state.header_buttons = NULL;
	state.editing = false;

	state.stack = gtk_stack_new();
	state.stack_switch = gtk_stack_switcher_new();
	g_object_ref(state.stack_switch);
	gtk_stack_switcher_set_stack(GTK_STACK_SWITCHER(state.stack_switch), GTK_STACK(state.stack));
	gtk_widget_show_all(state.stack_switch);

	scrollda = gtk_scrolled_window_new(NULL, NULL);
	gtk_container_set_border_width(GTK_CONTAINER(scrollda), 12);
	gtk_stack_add_titled(GTK_STACK(state.stack), scrollda, "Receive", "Receive");

	label = gtk_label_new("Transmit");
	gtk_stack_add_titled(GTK_STACK(state.stack), label, "Transmit", "Transmit");

	GtkWidget *rgrid;
	rgrid = gtk_grid_new();
	gtk_widget_set_halign(rgrid, GTK_ALIGN_CENTER);
	gtk_grid_set_column_spacing(GTK_GRID(rgrid), 12);
	gtk_grid_set_row_spacing(GTK_GRID(rgrid), 12);
	gtk_container_add(GTK_CONTAINER(scrollda), rgrid);

	GDBusInterface *interface;
	interface = g_dbus_object_get_interface(new_hw, "org.gnome.RemoteControlManager.Device");
	if (!interface)
		return;

	gchar **keymap_ids = NULL;
	/* FIXME: unref object */
	state.object = RCDEVICE(interface);
	rcdevice_call_list_keymaps_sync(state.object, &keymap_ids, NULL, NULL);
	for (i = 0; keymap_ids[i]; i++) {
		struct remote *remote;

		g_print("Fetching keymap: %s\n", keymap_ids[i]);
		remote = get_keymap(state.object, keymap_ids[i]);

		state.remotes = g_list_prepend(state.remotes, remote);
		gtk_grid_attach(GTK_GRID(rgrid), remote->widget, i, 1, 1, 1);
	}

	g_free(keymap_ids);
	gtk_widget_show_all(state.stack);

	gtk_stack_add_named(global->stack, state.stack, "remotes");
	gtk_stack_set_visible_child(global->stack, state.stack);

	set_edit_keymap(state.editing);
	gtk_header_bar_set_custom_title(GTK_HEADER_BAR(global->header), state.stack_switch);
}