#include <gtk/gtk.h>

#include "tdc_store.h"
#include "tdcproto.h"

enum {
	COL_ID = 0,	/* UINT */
	COL_GRAPH,	/* BOOLEAN */
	COL_VALUE,	/* PTR?, with cell_data_func */
	COL_VALUE_EDIT,	/* BOOLEAN */
	COL_TYPE,	/* STRING */
	COL_NAME,	/* STRING */
};

static GtkListStore *list_store;

static void cell_graph_toggle(GtkCellRendererToggle *cell, gchar *path_string, gpointer user_data)
{
	GtkTreeIter it;
	gtk_tree_model_get_iter_from_string(GTK_TREE_MODEL(user_data), &it, path_string);

	gboolean toggle;

	gtk_tree_model_get(GTK_TREE_MODEL(user_data), &it,
				COL_GRAPH, &toggle,
				-1);

	gtk_list_store_set(GTK_LIST_STORE(user_data), &it,
				COL_GRAPH, !toggle,
				-1);
}

static void cell_value_edited(GtkCellRendererText *cell, gchar *path_string, gchar *new_text, gpointer user_data)
{
	printf("cell_value_edited\n");
}

gint variable_tab_init(GtkNotebook *notebook)
{
	list_store = gtk_list_store_new(6,
			G_TYPE_UINT, G_TYPE_BOOLEAN,
			G_TYPE_STRING, G_TYPE_BOOLEAN,
			G_TYPE_STRING, G_TYPE_STRING);

	GtkWidget *view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(list_store));
	g_object_unref(list_store);

	GtkTreeViewColumn *col;
	GtkCellRenderer *renderer;

	col = gtk_tree_view_column_new();
	gtk_tree_view_column_set_title(col, "Graph");
	gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
	renderer = gtk_cell_renderer_toggle_new();
	g_object_set(renderer, "activatable", TRUE, NULL);
	g_signal_connect(renderer, "toggled", (GCallback)cell_graph_toggle, list_store);
	gtk_tree_view_column_pack_start(col, renderer, TRUE);
	gtk_tree_view_column_add_attribute(col, renderer, "active", COL_GRAPH);


	col = gtk_tree_view_column_new();
	gtk_tree_view_column_set_title(col, "Value");
	gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
	renderer = gtk_cell_renderer_text_new();
//	gtk_tree_view_column_set_cell_data_func(col, renderer, cell_value_func, NULL, NULL);
	g_signal_connect(renderer, "edited", (GCallback)cell_value_edited, NULL);
	gtk_tree_view_column_pack_start(col, renderer, TRUE);
	gtk_tree_view_column_add_attribute(col, renderer, "text", COL_VALUE);
	gtk_tree_view_column_add_attribute(col, renderer, "editable", COL_VALUE_EDIT);


	col = gtk_tree_view_column_new();
	gtk_tree_view_column_set_title(col, "Type");
	gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
	renderer = gtk_cell_renderer_text_new();
	gtk_tree_view_column_pack_start(col, renderer, TRUE);
	gtk_tree_view_column_add_attribute(col, renderer, "text", COL_TYPE);


	col = gtk_tree_view_column_new();
	gtk_tree_view_column_set_title(col, "Name");
	gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
	renderer = gtk_cell_renderer_text_new();
	gtk_tree_view_column_pack_start(col, renderer, TRUE);
	gtk_tree_view_column_add_attribute(col, renderer, "text", COL_NAME);

	GtkWidget *scrollbar = gtk_scrolled_window_new(NULL, NULL);
	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrollbar), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
	gtk_container_add(GTK_CONTAINER(scrollbar), view);

	GtkWidget *label = gtk_label_new(" Variables ");
	return gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrollbar, label);
}

void vartab_add_var(struct tdc_var *var)
{
	GtkTreeIter it;
	gtk_list_store_append(list_store, &it);

	char typestr[16];

	int size = (var->flags & TDC_SIZEMASK);

	switch (var->flags & TDC_TYPEMASK) {
	case TDC_UNSIGNED:
		snprintf(typestr, sizeof(typestr), "uint%d_t", size * 8);
		break;

	case TDC_SIGNED:
		snprintf(typestr, sizeof(typestr), "int%d_t", size * 8);
		break;

	case TDC_FP:
		if (size == sizeof(float))
			snprintf(typestr, sizeof(typestr), "float");

		else if (size == sizeof(double))
			snprintf(typestr, sizeof(typestr), "double");

		else
			snprintf(typestr, sizeof(typestr), "float(%d)", size * 8);
		break;

	case TDC_FIXED:
		snprintf(typestr, sizeof(typestr), "fixed(%d)", size * 8);
		break;
	}

	gtk_list_store_set(list_store, &it,
			COL_ID,	var->id,
			COL_GRAPH, FALSE,
			COL_VALUE, "none",
			COL_VALUE_EDIT, !(var->flags & TDC_READONLY),
			COL_TYPE, typestr,
			COL_NAME, var->name,
			-1);
}

void vartab_update_var(struct tdc_var *var)
{

}

void vartab_remove_var(struct tdc_var *var)
{

}