/*

 * send.c

 *

 * Copyrigth (C) 2010 Nicolas Cornu <nicolas.cornu@ensi-bourges.fr>

 *

 * 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 <loudmouth/loudmouth.h>

#include <mcabber/xmpp_helper.h>

#include <mcabber/xmpp_defines.h>

#include <mcabber/settings.h>

#include <mcabber/logprint.h>

#include <jingle/jingle.h>

#include <jingle/sessions.h>

#include <jingle/send.h>

void jingle_send_session_terminate(JingleSession *js, const gchar *reason)

{

  JingleAckHandle *ackhandle;

  LmMessageNode *node2;

  LmMessage *r = lm_message_new_with_sub_type(js->to, LM_MESSAGE_TYPE_IQ,

                                              LM_MESSAGE_SUB_TYPE_SET);

  LmMessageNode *node = lm_message_get_node(r);

  node2 = lm_message_node_add_child(node, "jingle", NULL);

  lm_message_node_set_attributes(node2, "xmlns", NS_JINGLE,

                                 "action", "session-terminate",

                                 "sid", js->sid,

                                 NULL);

  if (r == NULL) return;

  if (reason != NULL) { 

    node = lm_message_node_add_child(node2, "reason", NULL);

    lm_message_node_add_child(node, reason, NULL);

  }

  ackhandle = g_new0(JingleAckHandle, 1);

  ackhandle->callback = NULL;

  ackhandle->user_data = NULL;

  lm_connection_send_with_reply(lconnection, r,

                                jingle_new_ack_handler(ackhandle), NULL);

  lm_message_unref(r);

}

static void jingle_handle_ack_iq_sa(JingleAckType acktype, LmMessage *mess,

                                    gpointer data)

{

  LmMessageNode *node;

  const gchar *type, *cause;

  JingleSession *sess = (JingleSession*)data;

  if (acktype == JINGLE_ACK_TIMEOUT) {

    // TODO: handle ack timeout...

    scr_LogPrint(LPRINT_LOGNORM, "Jingle: did not receive the accept ack in time, aborting");

    session_delete(sess);

    return;

  }

  if(lm_message_get_sub_type(mess) == LM_MESSAGE_SUB_TYPE_RESULT) {

    return;

  }

  if(lm_message_get_sub_type(mess) == LM_MESSAGE_SUB_TYPE_ERROR) {

    node = lm_message_get_node(mess);

    node = lm_message_node_get_child(node,"error");

    type = lm_message_node_get_attribute(node, "type");

    if(node->children != NULL)

      cause = node->children->name;

    else

      cause = "?";

    scr_LogPrint(LPRINT_LOGNORM, "Jingle: session-accept %s: %s", type, cause);

  }

  // We delete the session, there was an error

  session_delete(sess);

}

void jingle_send_session_accept(JingleSession *js)

{

  LmMessage *mess;

  JingleAckHandle *ackhandle;

  mess = lm_message_from_jinglesession(js, JINGLE_SESSION_ACCEPT);

  if (mess) {

    ackhandle = g_new0(JingleAckHandle, 1);

    ackhandle->callback = jingle_handle_ack_iq_sa;

    ackhandle->user_data = (gpointer)js;

    ackhandle->timeout = 60;

    lm_connection_send_with_reply(lconnection, mess,

                                  jingle_new_ack_handler(ackhandle), NULL);

    lm_message_unref(mess);

  }

}

static void jingle_handle_ack_iq_si(JingleAckType acktype, LmMessage *mess,

                                    gpointer data)

{

  LmMessageNode *node;

  const gchar *type, *cause;

  JingleSession *sess = (JingleSession*)data;

  if (acktype == JINGLE_ACK_TIMEOUT) {

    // TODO: handle ack timeout...

    scr_LogPrint(LPRINT_LOGNORM, "Jingle: did not receive the initiate ack in time, aborting");

    session_delete(sess);

    return;

  }

  if (lm_message_get_sub_type(mess) == LM_MESSAGE_SUB_TYPE_RESULT)

    return; // TODO: put a timeout on the session-accept

  if (lm_message_get_sub_type(mess) == LM_MESSAGE_SUB_TYPE_ERROR) {

    node = lm_message_get_node(mess);

    node = lm_message_node_get_child(node,"error");

    type = lm_message_node_get_attribute(node, "type");

    if(node->children != NULL)

      cause = node->children->name;

    else

      cause = "?";

    scr_LogPrint(LPRINT_LOGNORM, "Jingle: session-initiate %s: %s", type, cause);

  }

  // We delete the session, there was an error

  session_delete(sess);

}

void jingle_send_session_initiate(JingleSession *js)

{

  JingleAckHandle *ackhandle;

  GError *err = NULL;

  gboolean status;

  LmMessage *mess = lm_message_from_jinglesession(js, JINGLE_SESSION_INITIATE);

  lm_message_node_set_attribute(lm_message_node_get_child(mess->node, "jingle"),

                                "initiator", js->from);

  if (mess) {

    ackhandle = g_new0(JingleAckHandle, 1);

    ackhandle->callback = jingle_handle_ack_iq_si;

    ackhandle->user_data = (gpointer)js;

    ackhandle->timeout = 60;

    status = lm_connection_send_with_reply(lconnection, mess,

                                       jingle_new_ack_handler(ackhandle), &err);

    // TODO: delete the ack_handler

    if (status == FALSE || err != NULL) {

      scr_LogPrint(LPRINT_LOGNORM, "Jingle: %s: try again", err->message);

      session_delete(js);

    }         

    lm_message_unref(mess);

  }

}