/*

 * marking.c            -- Actions on multiple buddies

 *

 * Copyright (C) 2009-2012 Myhailo Danylenko <isbear@ukrpost.net>

 * Copyright (C) 2012      Mikael Berthe <mikael@lilotux.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

 */

#include <glib.h>

#include <string.h>

#include <mcabber/hbuf.h>

#include <mcabber/screen.h>

#include <mcabber/commands.h>

#include <mcabber/compl.h>

#include <mcabber/utils.h>

#include <mcabber/logprint.h>

#include <mcabber/modules.h>

#include "config.h"

void marking_init   (void);

void marking_uninit (void);

#define DESCRIPTION ( "Actions on multiple marked buddies\n" \

					  "Provides commands /mark and /marked" )

module_info_t info_marking = {

	.branch      = MCABBER_BRANCH,

	.api         = MCABBER_API_VERSION,

	.version     = PROJECT_VERSION,

	.description = DESCRIPTION,

	.requires    = NULL,

	.init        = marking_init,

	.uninit      = marking_uninit,

	.next        = NULL,

};

#ifdef MCABBER_API_HAVE_CMD_ID

static gpointer mark_cmid   = NULL;

static gpointer marked_cmid = NULL;

#endif

static GSList *marked_jids = NULL;

// mark set jid

// mark clear jid

// mark toggle jid

static void do_mark (char *arg)

{

	char     **args   = split_arg (arg, 2, 1);

	char      *cmd    = NULL;

	char      *jid    = NULL;

	gboolean   jfree  = FALSE;

	int        marked = -1;

	guint	   len;

	if (args[0]) {

		cmd = args[0];

		if (args[1]) {

			const char *j = args[1];

			if (check_jid_syntax(j)) {

				scr_LogPrint(LPRINT_NORMAL|LPRINT_NOTUTF8,

					     "<%s> is not a valid Jabber ID.", j);

				return;

			}

			jid = jidtodisp(j);

			if (!jid) {

				scr_LogPrint(LPRINT_NORMAL|LPRINT_NOTUTF8,

					     "Unexpected error.");

				return;

			}

			jfree = TRUE;

		}

	} else

		cmd = "set";

	if (!jid) {

		// JID was not provided

		const char *j = NULL;

		if (current_buddy)

			j = CURRENT_JID;

		if (!j) {

			scr_LogPrint(LPRINT_NORMAL, "No buddy is currently selected.");

			return;

		}

		jid = g_strdup(j);

		jfree = TRUE;

		// TODO: handle group marking :)

	}

	if (!strcmp (cmd, "set")) {

		if (!g_slist_find_custom (marked_jids, jid, (GCompareFunc) g_strcmp0)) {

			marked_jids = g_slist_append (marked_jids, jid);

			marked = 1;

			jfree = FALSE;

		}

	} else if (!strcmp (cmd, "clear")) {

		GSList *mel = g_slist_find_custom (marked_jids, jid, (GCompareFunc) g_strcmp0);

		if (mel) {

			g_free (mel->data);

			marked_jids = g_slist_delete_link (marked_jids, mel);

			marked = 0;

		}

	} else if (!strcmp (cmd, "toggle")) {

		GSList *mel = g_slist_find_custom (marked_jids, jid, (GCompareFunc) g_strcmp0);

		if (mel) {

			g_free (mel->data);

			marked_jids = g_slist_delete_link (marked_jids, mel);

			marked = 0;

		} else {

			marked_jids = g_slist_append (marked_jids, jid);

			marked = 1;

			jfree  = FALSE;

		}

	}

	len = g_slist_length(marked_jids);

	if (marked == 1) {

		scr_write_incoming_message (jid, "Marked", 0,

					    HBB_PREFIX_INFO|HBB_PREFIX_NOFLAG, 0);

	} else if (marked == 0) {

		scr_write_incoming_message (jid, "Mark cleared", 0,

					    HBB_PREFIX_INFO|HBB_PREFIX_NOFLAG, 0);

	}

	if (marked >= 0) {

		scr_LogPrint(LPRINT_NORMAL, "<%s> is now %s (%u mark%s).", jid,

					 marked == 1 ? "marked" : "unmarked",

					 len, len > 1 ? "s" : "");

	}

	if (jfree && jid)

		g_free (jid);

	free_arg_lst (args);

}

// marked clear

// marked do cmd

void do_marked (char *arg)

{

	char **args = split_arg (arg, 2, 1);

	char  *cmd = args[0];

	if (!cmd)

		cmd = "list";

	if (!strcmp (cmd, "list")) {

		GSList *mel;

		guint len = g_slist_length(marked_jids);

		if (!marked_jids) {

			scr_log_print (LPRINT_NORMAL, "No marked JIDs.");

		} else {

			scr_log_print (LPRINT_NORMAL, "%d marked JIDs:", len);

			for (mel = marked_jids; mel; mel = mel->next) {

				char *jid = (char *) mel->data;

				scr_log_print (LPRINT_NORMAL, " * %s", jid);

			}

			// Smartly set the status flag if we have more marks than the log

			// window height.

			if (len + 1 > scr_getlogwinheight()) {

				scr_setmsgflag_if_needed(SPECIAL_BUFFER_STATUS_ID, TRUE);

				scr_setattentionflag_if_needed(SPECIAL_BUFFER_STATUS_ID, TRUE,

							       ROSTER_UI_PRIO_STATUS_WIN_MESSAGE, prio_max);

			}

		}

	} else if (!strcmp (cmd, "clear")) {

		GSList *mel;

		for (mel = marked_jids; mel; mel = mel->next)

			g_free (mel->data);

		g_slist_free (marked_jids);

		marked_jids = NULL;

	} else if (!strcmp (cmd, "do")) {

		char *format = args[1];

		if (!format)

			scr_log_print (LPRINT_NORMAL,

				       "You must specify action to do with marked JIDs");

		else {

			char     *pos   = format;

			gboolean  found = FALSE;

			gboolean  error = FALSE;

			for (pos = strchr (pos, '%'); pos; pos = strchr (pos, '%')) {

				if (*(pos + 1) == 's')

					found = TRUE;

				else if (*(pos + 1) == '%')

					++pos;

				else {

					scr_log_print (LPRINT_NORMAL,

						       "Action string must not contain any other %%-sequences!");

					error = TRUE;

					break;

				}

				++pos;

			}

			if (!found)

				scr_log_print (LPRINT_NORMAL,

					       "Action string must contain one %%s!");

			else if (!error) {

				GSList *mel;

				for (mel = marked_jids; mel; mel = mel->next) {

					char *jid     = (char *) mel->data;

					char *command = g_strdup_printf (format, jid);

					process_command (command, TRUE);

					g_free (command);

				}

			}

		}

	}

	free_arg_lst (args);

}

void marking_init (void)

{

#ifndef MCABBER_API_HAVE_CMD_ID

	cmd_add ("mark", "", 0, COMPL_JID, do_mark, NULL);

	cmd_add ("marked", "", 0, COMPL_CMD, do_marked, NULL);

#else

	mark_cmid   = cmd_add ("mark", "", 0, COMPL_JID, do_mark, NULL);

	marked_cmid = cmd_add ("marked", "", 0, COMPL_CMD, do_marked, NULL);

#endif

}

void marking_uninit (void)

{

#ifndef MCABBER_API_HAVE_CMD_ID

	cmd_del ("mark");

	cmd_del ("marked");

#else

	if (mark_cmid)

		cmd_del (mark_cmid);

	if (marked_cmid)

		cmd_del (marked_cmid);

#endif

	{

		GSList *mel;

		for (mel = marked_jids; mel; mel = mel->next)

			g_free (mel->data);

		g_slist_free (marked_jids);

		marked_jids = NULL;

	}

}

/* vim: se ts=4 sw=4: */