#ifndef __JINGLE_SESSIONS_H__

#define __JINGLE_SESSIONS_H__ 1

#include <glib.h>

#include <jingle/register.h>

typedef enum {

  JINGLE_SESSION_STATE_ACTIVE,

  JINGLE_SESSION_STATE_PENDING,

  JINGLE_SESSION_STATE_ENDED,

} SessionState;

typedef enum {

  /* A session that was initiated by some remote entity */

  JINGLE_SESSION_INCOMING,

  /* A session that we initiated (by sending a session-initiate) */

  JINGLE_SESSION_OUTGOING

} SessionOrigin;

typedef struct {

  /* Random session identifier generated by the initator. */

  gchar *sid;

  /* We need to know who initiated the session ?

   * us or a remote entity. */

  SessionOrigin origin;

  /* jid of the xmpp entity that initiated the session. */

  gchar *from;

  /* jid of the xmpp entity that received the initiation request. */

  gchar *to;

  /* jid of the entity we send iq. point to "from" or "to" depending on

   * who initiated the session. Basically a shortcut to avoid checking

   * origin. Should not be freed when destroying a JingleSession. */

  gchar *recipient;

  /* A singly-linked list of content. */

  GSList *content;

} JingleSession;

typedef struct {

  /* "A unique name or identifier for the content type

   *  according to the creator" */

  gchar *name;

  /* */

  SessionState state;

  /* The namespace of the app */

  gchar *xmlns_desc;

  /* The internal struct of the app module */

  gconstpointer description;

  /* Struct of functions provided by the app module */

  JingleAppFuncs *appfuncs;

  /* The namespace of the transport */

  gchar *xmlns_trans;

  /* The internal struct of the transport module */

  gconstpointer transport;

  /* Struct of functions provided by the transport module */

  JingleTransportFuncs *transfuncs;

} SessionContent;

// Manage sessions:

//    Inititiator:

void new_session_with_apps(const gchar *recipientjid, const gchar **name,

                           gconstpointer *datas, const gchar **ns);

//    Responder:

JingleSession *session_new_from_jinglenode(JingleNode *jn);

SessionContent *session_add_content_from_jinglecontent(JingleSession *sess,

                           JingleContent *cn, SessionState state, GError **err);

//    Both:

JingleSession *session_new(const gchar *sid, const gchar *from,

                           const gchar *to, SessionOrigin origin);

void session_delete(JingleSession *sess);

void session_remove(JingleSession *sess);

void session_free(JingleSession *sess);

SessionContent *session_add_content(JingleSession *sess, const gchar *name,

                                    SessionState state);

// Manage contents:

int session_remove_sessioncontent(JingleSession *sess, const gchar *name);

void session_changestate_sessioncontent(JingleSession *sess, const gchar *name,

                                        SessionState state);

void session_add_app(JingleSession *sess, const gchar *name,

                           const gchar *xmlns, gconstpointer data);

void session_add_trans(JingleSession *sess, const gchar *name,

                           const gchar *xmlns, gconstpointer data);

// Search:

//   Session:

JingleSession *session_find_by_sid(const gchar *sid, const gchar *from);

JingleSession *session_find(const JingleNode *jn);

JingleSession *session_find_by_sessioncontent(SessionContent *sc);

SessionContent *sessioncontent_find_by_app(gconstpointer data);

SessionContent *sessioncontent_find_by_transport(gconstpointer data);

//   Content:

SessionContent *sessioncontent_find_by_transport(gconstpointer data);

SessionContent *sessioncontent_find_by_app(gconstpointer data);

SessionContent *session_find_sessioncontent(JingleSession *sess,

                                            const gchar *name);

// API:

void jingle_handle_app(const gchar *name,

                       const gchar *xmlns_app, gconstpointer app,

                       const gchar *to);

LmMessage *lm_message_from_jinglesession(const JingleSession *js,

                                         JingleAction action);

void handle_app_data(const gchar *sid, const gchar* from, const gchar *name, gchar *data, gsize size);

#endif