/*
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.

This file is part of GtkRadiant.

GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

GtkRadiant 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 General Public License for more details.

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

#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <gdk/gdkkeysyms.h>

#include "surfdlg_plugin.h"

#include "surfaceflagsdialog_ufoai.h"

GtkWidget *notebook1;

// 32 bit is the max
#define MAX_BUTTONS 32

GtkWidget *surface_buttons[MAX_BUTTONS];
GtkWidget *content_buttons[MAX_BUTTONS];

GtkWidget *value_entry;
gboolean setup_buttons = TRUE;

int working_surface_flags;
int surface_mask;
int working_content_flags;
int content_mask;
int working_value;

inline void set_inconsistent(GtkWidget *toggle_button)
{
	gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON (toggle_button), TRUE);
}

inline void clear_inconsistent(GtkWidget *toggle_button)
{
	if ( gtk_toggle_button_get_inconsistent(GTK_TOGGLE_BUTTON (toggle_button)) )
	{
		gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON (toggle_button), FALSE);
	}
}

void clear_all_inconsistent(void)
{
	int i;

	for (i = 0; i < MAX_BUTTONS; i++) {
		clear_inconsistent( surface_buttons[i] );
		clear_inconsistent( content_buttons[i] );
	}
}

void clear_all_buttons_and_values()
{
	int i;

	for (i = 0; i < MAX_BUTTONS; i++) {
		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON ( surface_buttons[i] ), FALSE);
		gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON ( content_buttons[i] ), FALSE);
	}

	gtk_entry_set_text( (GtkEntry *)value_entry, "");
}

void SetFlagButtons_UFOAI(texdef_to_face_t *texdef_face_list, bool b_isListEmpty)
{
	int contents = 0;
	int flags = 0;
	int value = 0;
	int diff_contents = 0;
	int diff_flags = 0;
	gboolean diff_value = FALSE;
	char tex_buff[11];
	texdef_t* tmp_texdef;
	texdef_to_face_t* temp_texdef_face_list;
	int i;

	setup_buttons = TRUE;
	working_surface_flags = 0;
	surface_mask = 0;
	working_content_flags = 0;
	content_mask = 0;
	working_value = 0;

	if (!b_isListEmpty) {
		tmp_texdef = &texdef_face_list->texdef;
		contents = tmp_texdef->contents;
		flags = tmp_texdef->flags;
		value = tmp_texdef->value;

		Sys_Printf("Surface: %d\tContents: %d\tValue: %d\ttmp_texdef\n",tmp_texdef->flags,tmp_texdef->contents,tmp_texdef->value);
		Sys_Printf("Surface: %d\tContents: %d\tValue: %d\n",flags,contents,value);

		for (temp_texdef_face_list = texdef_face_list->next; temp_texdef_face_list; temp_texdef_face_list = temp_texdef_face_list->next)
		{
			tmp_texdef = &temp_texdef_face_list->texdef;
			diff_contents |= contents ^ tmp_texdef->contents;  // Figure out which buttons are inconsistent
			diff_flags |= flags ^ tmp_texdef->flags;
			if (tmp_texdef->value != value)
				diff_value = TRUE;

			Sys_Printf("Surface: %d\tContents: %d\tValue: %d\ttmp_texdef\n",tmp_texdef->flags,tmp_texdef->contents,tmp_texdef->value);
			Sys_Printf("Surface: %d\tContents: %d\tValue: %d\n",flags,contents,value);
		}
	}

	clear_all_inconsistent();

	// If no faces/brushes are selected, clear everything and bail
	if (b_isListEmpty) {
		clear_all_buttons_and_values();
		setup_buttons = FALSE;
		return;
	}

	for (i = 0; i < MAX_BUTTONS; i++) {
		// Set surface buttons to reflect brush/face flags, contents, and values
		if(diff_flags & (1 << i))
			set_inconsistent(surface_buttons[i]);
		else if(flags & (1 << i))
			gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON (surface_buttons[i]), TRUE);
		else
			gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON (surface_buttons[i]), FALSE);

		if(diff_contents & (1 << i))
			set_inconsistent(content_buttons[i]);
		else if(contents & (1 << i))
			gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON (content_buttons[i]), TRUE);
		else
			gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON (content_buttons[i]), FALSE);
	}

	// Set Value
	if (diff_value)
		gtk_entry_set_text( (GtkEntry *)value_entry, "");
	else {
		working_value = value;
		sprintf( tex_buff, "%d", value);
		gtk_entry_set_text( (GtkEntry *)value_entry, tex_buff);
	}

	setup_buttons = FALSE;
}

void SetChangeInFlags_Face_UFOAI (texdef_to_face_t *texdef_face_list)
{
	texdef_to_face_t *temp_texdef_face_list;
	texdef_t *tmp_texdef;

	for (temp_texdef_face_list = texdef_face_list; temp_texdef_face_list; temp_texdef_face_list = temp_texdef_face_list->next)
	{
		tmp_texdef = &temp_texdef_face_list->texdef;
		tmp_texdef->flags = (tmp_texdef->flags & ~surface_mask) | working_surface_flags;
		tmp_texdef->contents = (tmp_texdef->contents & ~content_mask) | working_content_flags;
		tmp_texdef->value = working_value;
		Sys_Printf("content_flag: %d     content_mask: %d\n",working_content_flags,content_mask);
		Sys_Printf("content: %d\n",tmp_texdef->contents);
	}
}

inline void change_surfaceflag (GtkWidget *togglebutton, int sur_flag, gboolean change_flag_to)
{
	if (!setup_buttons) // If we're setting up the buttons, we really don't need to
	{                   // set flags that are already set
		if (gtk_toggle_button_get_inconsistent(GTK_TOGGLE_BUTTON (togglebutton))) // Clear out inconsistent, if set
			clear_inconsistent(GTK_WIDGET (togglebutton));

		surface_mask |= sur_flag;

		if (change_flag_to)
			working_surface_flags |= sur_flag;
		else
			working_surface_flags &= ~sur_flag;
	}
}

inline void change_contentflag (GtkWidget *togglebutton, int content_flag, gboolean change_flag_to)
{
	if ( (!setup_buttons) )  // If we're setting up the buttons, we really don't need to
	{                        // set flags that are already set
		if (gtk_toggle_button_get_inconsistent(GTK_TOGGLE_BUTTON (togglebutton)))
			clear_inconsistent(togglebutton);
		//if (g_ptrSelectedFaces.GetSize() == 0)  // Only changing content flags on whole brushes, not faces.
		//{
		content_mask |= content_flag;

		if (change_flag_to)
			working_content_flags |= content_flag;
		else
			working_content_flags &= ~content_flag;
		//}
		Sys_Printf("content_flag: %d     content_mask: %d\n",content_flag,content_mask);
	}
}

// Surface Flags Callbacks
void on_surface_button_toggled (GtkToggleButton *togglebutton, gpointer user_data)
{
	int flag = GPOINTER_TO_INT(user_data);
	change_surfaceflag(GTK_WIDGET (togglebutton), flag, (GTK_TOGGLE_BUTTON (togglebutton)->active));
}

// Content Flags Callbacks
void on_content_button_toggled (GtkToggleButton *togglebutton, gpointer user_data)
{
	int flag = GPOINTER_TO_INT(user_data);
	change_contentflag(GTK_WIDGET (togglebutton), flag, (GTK_TOGGLE_BUTTON (togglebutton)->active));
}

// Value Entry Callback
void on_value_entry_changed (GtkEditable *editable, gpointer user_data)
{
	if ( (!setup_buttons) )  // If we're setting up the buttons, don't change value
    	working_value = atoi( gtk_entry_get_text( (GtkEntry*)editable) );
}

void on_value_entry_insert_text (GtkEditable *editable, gchar *new_text, gint new_text_length, gint *position, gpointer user_data)
{
	int i, count=0;
	gchar *result;

	// Limit input to digits, throwing out anything else
	// Modified from Gtk FAQ for text filtering of GtkEntry
	result = g_new (gchar, new_text_length);

	for (i=0; i < new_text_length; i++) {
		if (!isdigit(new_text[i]))
			continue;
		result[count++] = new_text[i];
	}

	if (count > 0) {
		gtk_signal_handler_block_by_func (GTK_OBJECT (editable),
						GTK_SIGNAL_FUNC (on_value_entry_insert_text),
						user_data);
		gtk_editable_insert_text (editable, result, count, position);
		gtk_signal_handler_unblock_by_func (GTK_OBJECT (editable),
						GTK_SIGNAL_FUNC (on_value_entry_insert_text),
						user_data);
	}
	gtk_signal_emit_stop_by_name (GTK_OBJECT (editable), "insert_text");

	g_free (result);
}

void on_surfacebutton_clicked (GtkButton *button, gpointer user_data)
{
	gtk_notebook_set_page (GTK_NOTEBOOK(notebook1), 0);
}

void on_contentbutton_clicked (GtkButton *button, gpointer user_data)
{
	gtk_notebook_set_page (GTK_NOTEBOOK(notebook1), 1);
}

#define UFOAI_FLAG_BUTTON_BORDER 3

GtkWidget* Create_UFOAIFlagsDialog (GtkWidget* surfacedialog_widget)
{
	GtkWidget *frame1;
	GtkWidget *vbox1;
	GtkWidget *vbox2;
	GtkWidget *vbox3;
	GtkWidget *vbox4;
	GtkWidget *table4;
	GtkWidget *hbox2;
	GtkWidget *hbox3;
	GtkWidget *hseparator1;
	GtkWidget *value_label;
	GtkWidget *label5;
	GtkWidget *table3;
	GtkWidget *label6;
	int i, x, y;
	const char *buttonLabel;
	char buffer[8];

	frame1 = gtk_frame_new ("Flags");
	gtk_widget_show (frame1);
	gtk_container_add (GTK_CONTAINER (surfacedialog_widget), frame1);

	vbox1 = gtk_vbox_new (FALSE, 0);
	gtk_widget_show (vbox1);
	gtk_container_add (GTK_CONTAINER (frame1), vbox1);

	notebook1 = gtk_notebook_new ();
	gtk_widget_show (notebook1);
	gtk_box_pack_start (GTK_BOX (vbox1), notebook1, TRUE, TRUE, 0);
	gtk_notebook_set_show_tabs (GTK_NOTEBOOK (notebook1), TRUE);
	gtk_container_set_border_width (GTK_CONTAINER (notebook1), 5);

	vbox2 = gtk_vbox_new (FALSE, 0);
	gtk_widget_show (vbox2);
	gtk_container_add (GTK_CONTAINER (notebook1), vbox2);

	table4 = gtk_table_new (8, 4, FALSE);
	gtk_widget_show (table4);
	gtk_box_pack_start (GTK_BOX (vbox2), table4, TRUE, TRUE, 0);

	y = -1;
	for (i = 0; i < MAX_BUTTONS; i++) {
		if (!(i % 4))
			y++;
		x = i % 4;
		snprintf(buffer, sizeof(buffer) - 1, "surf%i", i + 1);
		buttonLabel = g_FuncTable.m_pfnReadProjectKey(buffer);
		Sys_Printf("%s: %s\n", buffer, buttonLabel);
		surface_buttons[i] = gtk_toggle_button_new_with_label (buttonLabel);
		gtk_signal_connect(GTK_OBJECT (surface_buttons[i]), "toggled", GTK_SIGNAL_FUNC(on_surface_button_toggled), GINT_TO_POINTER(1 << i));
		gtk_widget_show(surface_buttons[i]);
		gtk_table_attach(GTK_TABLE (table4), surface_buttons[i], 0 + x, 1 + x, (0 + y), (1 + y),
							(GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
							(GtkAttachOptions) (GTK_EXPAND | GTK_FILL), 0, 0);
		gtk_container_set_border_width (GTK_CONTAINER (surface_buttons[i]), UFOAI_FLAG_BUTTON_BORDER);
	}

	hseparator1 = gtk_hseparator_new ();
	gtk_widget_show (hseparator1);
	gtk_box_pack_start (GTK_BOX (vbox2), hseparator1, FALSE, FALSE, 0);
	gtk_widget_set_usize (hseparator1, -2, 5);

	hbox2 = gtk_hbox_new (FALSE, 0);
	gtk_widget_show (hbox2);
	gtk_box_pack_start (GTK_BOX (vbox2), hbox2, FALSE, FALSE, 0);

	hbox3 = gtk_hbox_new (FALSE, 0);
	gtk_widget_show (hbox3);
	gtk_box_pack_start (GTK_BOX (hbox2), hbox3, TRUE, TRUE, 0);

	vbox4 = gtk_vbox_new (FALSE, 0);
	gtk_widget_show (vbox4);
	gtk_box_pack_start (GTK_BOX (hbox3), vbox4, TRUE, TRUE, 0);

	value_label = gtk_label_new (" Value: ");
	gtk_widget_show (value_label);
	gtk_box_pack_start (GTK_BOX (hbox3), value_label, FALSE, FALSE, 0);

	value_entry = gtk_entry_new ();
	gtk_signal_connect (GTK_OBJECT (value_entry), "changed",
						GTK_SIGNAL_FUNC (on_value_entry_changed),
						NULL);
	gtk_signal_connect (GTK_OBJECT (value_entry), "insert_text",
						GTK_SIGNAL_FUNC (on_value_entry_insert_text),
						NULL);
	gtk_entry_set_max_length( (GtkEntry *)value_entry, 11);
	gtk_widget_show (value_entry);
	gtk_box_pack_start (GTK_BOX (hbox3), value_entry, TRUE, TRUE, 0);

	vbox3 = gtk_vbox_new (FALSE, 0);
	gtk_widget_show (vbox3);
	gtk_box_pack_start (GTK_BOX (hbox3), vbox3, TRUE, TRUE, 0);

	label5 = gtk_label_new ("Surface Flags");
	gtk_widget_show (label5);
	gtk_notebook_set_tab_label (GTK_NOTEBOOK (notebook1), gtk_notebook_get_nth_page (GTK_NOTEBOOK (notebook1), 0), label5);

	table3 = gtk_table_new (8, 4, FALSE);
	gtk_widget_show (table3);
	gtk_container_add (GTK_CONTAINER (notebook1), table3);

	y = -1;
	for (i = 0; i < MAX_BUTTONS; i++) {
		if (!(i % 4))
			y++;
		x = i % 4;
		snprintf(buffer, sizeof(buffer) - 1, "cont%i", i + 1);
		buttonLabel = g_FuncTable.m_pfnReadProjectKey(buffer);
		content_buttons[i] = gtk_toggle_button_new_with_label(buttonLabel);
		gtk_signal_connect(GTK_OBJECT (content_buttons[i]), "toggled", GTK_SIGNAL_FUNC (on_content_button_toggled), GINT_TO_POINTER(1 << i));
		gtk_widget_show(content_buttons[i]);
		gtk_table_attach(GTK_TABLE (table3), content_buttons[i], 0 + x, 1 + x, (0 + y), (1 + y),
						(GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
						(GtkAttachOptions) (GTK_EXPAND | GTK_FILL), 0, 0);
		gtk_container_set_border_width (GTK_CONTAINER (content_buttons[i]), UFOAI_FLAG_BUTTON_BORDER);
	}

	label6 = gtk_label_new ("Content Flags");
	gtk_widget_show (label6);
	gtk_notebook_set_tab_label (GTK_NOTEBOOK (notebook1), gtk_notebook_get_nth_page (GTK_NOTEBOOK (notebook1), 1), label6);

	return frame1;
}