/*
 * gaim
 *
 * Copyright (C) 1998-1999, Mark Spencer <markster@marko.net>
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#include <gtk/gtk.h>
#include "gaim.h"
#include "prpl.h"
#include "gtkimhtml.h"
#include "pixmaps/join.xpm"

GtkWidget *imaway = NULL;

GtkWidget *awaymenu = NULL;
GtkWidget *awayqueue = NULL;
GtkListStore *awayqueuestore = NULL;
GtkWidget *awayqueuesw;

struct away_message *awaymessage = NULL;
struct away_message *default_away;
int auto_away;

static void destroy_im_away()
{
	if (imaway)
		gtk_widget_destroy(imaway);

	awayqueue = NULL;
	g_object_unref(G_OBJECT(awayqueuestore));
	awayqueuestore = NULL;
	awayqueuesw = NULL;
	imaway = NULL;
}

static void dequeue_message(GtkTreeIter *iter)
{
	gchar *name;
	GSList *templist;
	struct gaim_conversation *cnv;

	gtk_tree_model_get(GTK_TREE_MODEL(awayqueuestore), iter, 0, &name, -1);

	debug_printf("Unqueueing messages from %s.\n", name);

	templist = message_queue;

	while (templist) {
		struct queued_message *qm = templist->data;
		if (templist->data) {
			if (!g_strcasecmp(qm->name, name)) {
				struct gaim_account *account = NULL;

				if (g_slist_index(gaim_accounts, qm->account) >= 0)
					account = qm->account;

				cnv = gaim_find_conversation(name);

				if (!cnv)
					cnv = gaim_conversation_new(GAIM_CONV_IM, account, qm->name);
				else
					gaim_conversation_set_account(cnv, account);

				gaim_im_write(GAIM_IM(cnv), NULL, qm->message, qm->len,
						qm->flags, qm->tm);
				g_free(qm->message);
				g_free(qm);
				templist = message_queue = g_slist_remove(message_queue, qm);

			} else {
				templist = templist->next;
			}
		}
	}
	
	g_free(name);
	/* In GTK 2.2, _store_remove actually returns whether iter is valid or not
	 * after the remove, but in GTK 2.0 it is a void function. */
	gtk_list_store_remove(awayqueuestore, iter);
}

void purge_away_queue(GSList **queue)
{
	GSList *q = *queue;
	struct queued_message *qm;
	struct gaim_conversation *cnv;
	struct gaim_account *account;

	while (q) {
		qm = q->data;

		account = NULL;

		if (g_slist_index(gaim_accounts, qm->account) >= 0)
			account = qm->account;

		cnv = gaim_find_conversation(qm->name);

		if (!cnv)
			cnv = gaim_conversation_new(GAIM_CONV_IM, account, qm->name);
		else
			gaim_conversation_set_account(cnv, account);

		gaim_im_write(GAIM_IM(cnv), NULL, qm->message, -1, qm->flags, qm->tm);

		g_free(qm->message);
		g_free(qm);

		q->data = NULL;
		q = q->next;
	}

	g_slist_free(*queue);
	*queue = NULL;
}

gint dequeue_cb(GtkWidget *treeview, GdkEventButton *event, gpointer data) {
	GtkTreeIter iter;
	GtkTreeSelection *select;

	if(!(event->type == GDK_2BUTTON_PRESS && event->button == 1))
		return FALSE; /* Double clicking on the list will unqueue that user's messages. */

	select = gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview));
	if(gtk_tree_selection_get_selected(select, NULL, &iter))
			dequeue_message(&iter);

	return FALSE;
}



void toggle_away_queue()
{
	if (!awayqueue || !awayqueuesw)
		return;

	if (away_options & OPT_AWAY_QUEUE) {
		gtk_widget_show(awayqueue);
		gtk_widget_show(awayqueuesw);
	} else {
		gtk_widget_hide(awayqueue);
		gtk_widget_hide(awayqueuesw);
		purge_away_queue(&message_queue);
	}
}

void do_im_back(GtkWidget *w, GtkWidget *x)
{
	if (imaway) {
		GtkWidget *tmp = imaway;

		purge_away_queue(&message_queue);

		imaway = NULL;
		gtk_widget_destroy(tmp);
		if (w != tmp)
			return;
	}

	while (away_time_queue) {
		struct queued_away_response *qar = away_time_queue->data;
		away_time_queue = g_slist_remove(away_time_queue, qar);
		g_free(qar);
	}

	awaymessage = NULL;
	awayqueue = NULL;
	awayqueuesw = NULL;
	g_object_unref(G_OBJECT(awayqueuestore));
	awayqueuestore = NULL;
	serv_set_away_all(NULL);
}


void do_away_message(GtkWidget *w, struct away_message *a)
{
	GtkWidget *back;
	GtkWidget *awaytext;
	GtkWidget *sw;
	GtkWidget *vbox;
	GtkTreeViewColumn *column;
	GtkCellRenderer *renderer;
	char *buf2;
	char *buf;

	if (!blist)
		return;

	if (!a)
		return;

	if (!imaway) {
		GAIM_DIALOG(imaway);
		gtk_window_set_role(GTK_WINDOW(imaway), "imaway");
		if (strlen(a->name))
			 gtk_window_set_title(GTK_WINDOW(imaway), a->name);
		else
			gtk_window_set_title(GTK_WINDOW(imaway), _("Gaim - Away!"));
		g_signal_connect(G_OBJECT(imaway), "destroy",
						 G_CALLBACK(do_im_back), imaway);
		gtk_widget_realize(imaway);

		vbox = gtk_vbox_new(FALSE, 5);
		gtk_container_add(GTK_CONTAINER(imaway), vbox);
		gtk_container_set_border_width(GTK_CONTAINER(vbox), 5);
		gtk_widget_show(vbox);

		sw = gtk_scrolled_window_new(NULL, NULL);
		gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw), GTK_POLICY_NEVER,
					       GTK_POLICY_ALWAYS);
		gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(sw), GTK_SHADOW_IN);
		gtk_widget_set_size_request(sw, 245, 120);
		gtk_box_pack_start(GTK_BOX(vbox), sw, TRUE, TRUE, 0);
		gtk_widget_show(sw);

		awaytext = gtk_imhtml_new(NULL, NULL);
		gtk_container_add(GTK_CONTAINER(sw), awaytext);
		gaim_setup_imhtml(awaytext);
		gtk_widget_show(awaytext);
		buf = stylize(a->message, BUF_LONG);
		gtk_imhtml_append_text(GTK_IMHTML(awaytext), buf, -1, GTK_IMHTML_NO_TITLE |
				       GTK_IMHTML_NO_COMMENTS | GTK_IMHTML_NO_SCROLL);
		g_free(buf);
		gtk_imhtml_append_text(GTK_IMHTML(awaytext), "<BR>", -1, GTK_IMHTML_NO_TITLE |
				       GTK_IMHTML_NO_COMMENTS | GTK_IMHTML_NO_SCROLL);

		awayqueuesw = gtk_scrolled_window_new(NULL, NULL);
		gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(awayqueuesw), GTK_POLICY_NEVER,
					       GTK_POLICY_AUTOMATIC);
		gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(awayqueuesw),
							GTK_SHADOW_IN);
		gtk_box_pack_start(GTK_BOX(vbox), awayqueuesw, TRUE, TRUE, 0);

		awayqueuestore = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_STRING);
		awayqueue = gtk_tree_view_new_with_model(GTK_TREE_MODEL(awayqueuestore));
		renderer = gtk_cell_renderer_text_new();
		
		gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(awayqueue), FALSE);
		column = gtk_tree_view_column_new_with_attributes (NULL, renderer,
										"text", 0,
										NULL);
		gtk_tree_view_append_column(GTK_TREE_VIEW(awayqueue), column);
		column = gtk_tree_view_column_new_with_attributes(NULL, renderer,
										"text", 1, 
										NULL);
		gtk_tree_view_append_column(GTK_TREE_VIEW(awayqueue), column);
			
		gtk_container_add(GTK_CONTAINER(awayqueuesw), awayqueue);
		
		g_signal_connect(G_OBJECT(awayqueue), "button_press_event", G_CALLBACK(dequeue_cb), NULL);


		if (away_options & OPT_AWAY_QUEUE) {
			gtk_widget_show(awayqueuesw);
			gtk_widget_show(awayqueue);
		}

		back = picture_button(imaway, _("I'm Back!"), join_xpm);
		gtk_box_pack_start(GTK_BOX(vbox), back, FALSE, FALSE, 0);
		g_signal_connect(GTK_OBJECT(back), "clicked", G_CALLBACK(do_im_back), imaway);
		gtk_window_set_focus(GTK_WINDOW(imaway), back);

		awaymessage = a;

#ifdef _WIN32
		/* Register window widget with wgaim systray module */
		wgaim_created_backwin(imaway);
#endif

	} else {
		destroy_im_away();
		do_away_message(w, a);
		return;
	}

	/* New away message... Clear out the old sent_aways */
	while (away_time_queue) {
		struct queued_away_response *qar = away_time_queue->data;
		away_time_queue = g_slist_remove(away_time_queue, qar);
		g_free(qar);
	}

	gtk_widget_show(imaway);
	buf2 = g_malloc(strlen(awaymessage->message) * 4 + 1);
	strncpy_withhtml(buf2, awaymessage->message, strlen(awaymessage->message) * 4 + 1);
	serv_set_away_all(buf2);
	g_free(buf2);
}

void rem_away_mess(GtkWidget *w, struct away_message *a)
{
	int default_index;
	default_index = g_slist_index(away_messages, default_away);
	if (default_index == -1) {
		if (away_messages != NULL)
			default_away = away_messages->data;
		else
			default_away = NULL;
	}
	away_messages = g_slist_remove(away_messages, a);
	g_free(a);
	do_away_menu();
	save_prefs();
}

static void set_gc_away(GObject *obj, struct gaim_connection *gc)
{
	struct away_message *awy = g_object_get_data(obj, "away_message");

	if (awy)
		serv_set_away(gc, GAIM_AWAY_CUSTOM, awy->message);
	else
		serv_set_away(gc, GAIM_AWAY_CUSTOM, NULL);
}

static void set_gc_state(GObject *obj, struct gaim_connection *gc)
{
	char *awy = g_object_get_data(obj, "away_state");

	serv_set_away(gc, awy, NULL);
}

void do_away_menu()
{
	GtkWidget *menuitem;
	GtkWidget *remmenu;
	GtkWidget *submenu, *submenu2;
	GtkWidget *remitem;
	GtkWidget *sep;
	GList *l;
	GSList *awy = away_messages;
	struct away_message *a;
	GSList *con = connections;
	struct gaim_connection *gc = NULL;
	int count = 0;

	if (prefs_away_store != NULL) {
		gtk_list_store_clear(prefs_away_store);
		while (awy) {
			GtkTreeIter iter;
			a = (struct away_message *)awy->data;
			gtk_list_store_append(prefs_away_store, &iter);
			gtk_list_store_set(prefs_away_store, &iter,
					0, a->name,
					1, a,
					-1);
			awy = g_slist_next(awy);
		}
	}

	if (awaymenu) {
		l = gtk_container_get_children(GTK_CONTAINER(awaymenu));

		while (l) {
			gtk_container_remove(GTK_CONTAINER(awaymenu), GTK_WIDGET(l->data));
			l = l->next;
		}


		remmenu = gtk_menu_new();

		menuitem = gtk_menu_item_new_with_label(_("New Away Message"));
		gtk_menu_shell_append(GTK_MENU_SHELL(awaymenu), menuitem);
		gtk_widget_show(menuitem);
		g_signal_connect(GTK_OBJECT(menuitem), "activate", G_CALLBACK(create_away_mess),
				   NULL);

		awy = away_messages;
		while (awy) {
			a = (struct away_message *)awy->data;

			remitem = gtk_menu_item_new_with_label(a->name);
			gtk_menu_shell_append(GTK_MENU_SHELL(remmenu), remitem);
			gtk_widget_show(remitem);
			g_signal_connect(GTK_OBJECT(remitem), "activate",
					   G_CALLBACK(rem_away_mess), a);

			awy = g_slist_next(awy);

		}

		menuitem = gtk_menu_item_new_with_label(_("Remove Away Message"));
		gtk_menu_shell_append(GTK_MENU_SHELL(awaymenu), menuitem);
		gtk_widget_show(menuitem);
		gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), remmenu);
		gtk_widget_show(remmenu);

		sep = gtk_hseparator_new();
		menuitem = gtk_menu_item_new();
		gtk_menu_shell_append(GTK_MENU_SHELL(awaymenu), menuitem);
		gtk_container_add(GTK_CONTAINER(menuitem), sep);
		gtk_widget_set_sensitive(menuitem, FALSE);
		gtk_widget_show(menuitem);
		gtk_widget_show(sep);

		while (con) {
			gc = con->data;
			if (gc->prpl->away_states &&gc->prpl->set_away)
				count++;
			con = g_slist_next(con);
		}
		con = connections;

		if (count == 0) {
		} else if (count == 1) {
			GList *msgs, *tmp;
			while (con) {
				gc = con->data;
				if (gc->prpl->away_states &&gc->prpl->set_away)
					break;
				con = g_slist_next(con);
			}

			tmp = msgs = gc->prpl->away_states(gc);

			if ((g_list_length(msgs) == 1) && !strcmp(msgs->data, GAIM_AWAY_CUSTOM)) {
				awy = away_messages;

				while (awy) {
					a = (struct away_message *)awy->data;

					menuitem = gtk_menu_item_new_with_label(a->name);
					g_object_set_data(G_OBJECT(menuitem), "away_message", a);
					gtk_menu_shell_append(GTK_MENU_SHELL(awaymenu), menuitem);
					gtk_widget_show(menuitem);
					g_signal_connect(GTK_OBJECT(menuitem), "activate",
							   G_CALLBACK(do_away_message), a);

					awy = g_slist_next(awy);
				}
			} else
				while (msgs) {
					awy = away_messages;

					menuitem = gtk_menu_item_new_with_label(msgs->data);
					g_object_set_data(G_OBJECT(menuitem), "away_state", msgs->data);
					gtk_menu_shell_append(GTK_MENU_SHELL(awaymenu), menuitem);
					gtk_widget_show(menuitem);

					if (strcmp(msgs->data, GAIM_AWAY_CUSTOM)) {
						g_signal_connect(GTK_OBJECT(menuitem), "activate",
								   G_CALLBACK(set_gc_state), gc);
					} else {
						submenu = gtk_menu_new();
						gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem),
									  submenu);
						gtk_widget_show(submenu);

						while (awy) {
							a = (struct away_message *)awy->data;

							menuitem = gtk_menu_item_new_with_label(a->name);
							g_object_set_data(G_OBJECT(menuitem), "away_message",
									a);
							gtk_menu_shell_append(GTK_MENU_SHELL(submenu),
									menuitem);
							gtk_widget_show(menuitem);
							g_signal_connect(GTK_OBJECT(menuitem),
									   "activate",
									   G_CALLBACK
									   (do_away_message), a);

							awy = g_slist_next(awy);
						}
					}
					msgs = g_list_next(msgs);
				}

			g_list_free(tmp);
		} else {
			while (con) {
				char buf[256];
				GList *msgs, *tmp;
				gc = con->data;

				if (!gc->prpl->away_states ||!gc->prpl->set_away) {
					con = con->next;
					continue;
				}

				g_snprintf(buf, sizeof(buf), "%s (%s)",
					   gc->username, gc->prpl->name);
				menuitem = gtk_menu_item_new_with_label(buf);
				gtk_menu_shell_append(GTK_MENU_SHELL(awaymenu), menuitem);
				gtk_widget_show(menuitem);

				submenu = gtk_menu_new();
				gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
				gtk_widget_show(submenu);

				tmp = msgs = gc->prpl->away_states(gc);

				if ((g_list_length(msgs) == 1) &&
				    (!strcmp(msgs->data, GAIM_AWAY_CUSTOM))) {
					menuitem = gtk_menu_item_new_with_label(_("Back"));
					gtk_menu_shell_append(GTK_MENU_SHELL(submenu), menuitem);
					gtk_widget_show(menuitem);
					g_signal_connect(GTK_OBJECT(menuitem), "activate",
							   G_CALLBACK(set_gc_away), gc);

					sep = gtk_hseparator_new();
					menuitem = gtk_menu_item_new();
					gtk_menu_shell_append(GTK_MENU_SHELL(submenu), menuitem);
					gtk_container_add(GTK_CONTAINER(menuitem), sep);
					gtk_widget_set_sensitive(menuitem, FALSE);
					gtk_widget_show(menuitem);
					gtk_widget_show(sep);

					awy = away_messages;

					while (awy) {
						a = (struct away_message *)awy->data;

						menuitem = gtk_menu_item_new_with_label(a->name);
						g_object_set_data(G_OBJECT(menuitem), "away_message", a);
						gtk_menu_shell_append(GTK_MENU_SHELL(submenu), menuitem);
						gtk_widget_show(menuitem);
						g_signal_connect(GTK_OBJECT(menuitem), "activate",
								   G_CALLBACK(set_gc_away), gc);

						awy = g_slist_next(awy);
					}
				} else
					while (msgs) {
						awy = away_messages;

						menuitem = gtk_menu_item_new_with_label(msgs->data);
						g_object_set_data(G_OBJECT(menuitem), "away_state",
									 msgs->data);
						gtk_menu_shell_append(GTK_MENU_SHELL(submenu), menuitem);
						gtk_widget_show(menuitem);

						if (strcmp(msgs->data, GAIM_AWAY_CUSTOM)) {
							g_signal_connect(GTK_OBJECT(menuitem),
									   "activate",
									   G_CALLBACK(set_gc_state),
									   gc);
						} else {
							submenu2 = gtk_menu_new();
							gtk_menu_item_set_submenu(GTK_MENU_ITEM
										  (menuitem), submenu2);
							gtk_widget_show(submenu2);

							while (awy) {
								a = (struct away_message *)awy->data;

								menuitem =
								    gtk_menu_item_new_with_label(a->
												 name);
								g_object_set_data(G_OBJECT(menuitem),
										"away_message", a);
								gtk_menu_shell_append(GTK_MENU_SHELL(submenu2),
										menuitem);
								gtk_widget_show(menuitem);
								g_signal_connect(GTK_OBJECT(menuitem),
										   "activate",
										   G_CALLBACK
										   (set_gc_away), gc);

								awy = g_slist_next(awy);
							}
						}
						msgs = g_list_next(msgs);
					}

				g_list_free(tmp);

				con = g_slist_next(con);
			}

			menuitem = gtk_menu_item_new_with_label(_("Set All Away"));
			gtk_menu_shell_append(GTK_MENU_SHELL(awaymenu), menuitem);
			gtk_widget_show(menuitem);

			submenu = gtk_menu_new();
			gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
			gtk_widget_show(submenu);

			awy = away_messages;

			while (awy) {
				a = (struct away_message *)awy->data;

				menuitem = gtk_menu_item_new_with_label(a->name);
				g_object_set_data(G_OBJECT(menuitem), "away_message", a);
				gtk_menu_shell_append(GTK_MENU_SHELL(submenu), menuitem);
				gtk_widget_show(menuitem);
				g_signal_connect(GTK_OBJECT(menuitem), "activate",
						   G_CALLBACK(do_away_message), a);

				awy = g_slist_next(awy);
			}
		}
	}
	if (prefs_away_menu) {
		l = gtk_container_get_children(GTK_CONTAINER(prefs_away_menu));
		while (l) {
			gtk_widget_destroy(GTK_WIDGET(l->data));
			l = l->next;
		}
		gtk_widget_hide(GTK_WIDGET(prefs_away_menu));
		default_away_menu_init(GTK_WIDGET(prefs_away_menu));
		gtk_widget_show(prefs_away_menu);
	}
}
