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Copyright (c) 2018-2019 Drew DeVault

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

/*
 * xmpp.h
 *
 * Copyright (C) 2012 - 2016 James Booth <boothj5@gmail.com>
 *
 * This file is part of Profanity.
 *
 * Profanity 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 3 of the License, or
 * (at your option) any later version.
 *
 * Profanity 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 Profanity.  If not, see <http://www.gnu.org/licenses/>.
 *
 * In addition, as a special exception, the copyright holders give permission to
 * link the code of portions of this program with the OpenSSL library under
 * certain conditions as described in each individual source file, and
 * distribute linked combinations including the two.
 *
 * You must obey the GNU General Public License in all respects for all of the
 * code used other than OpenSSL. If you modify file(s) with this exception, you
 * may extend this exception to your version of the file(s), but you are not
 * obligated to do so. If you do not wish to do so, delete this exception
 * statement from your version. If you delete this exception statement from all
 * source files in the program, then also delete it here.
 *
 */

#ifndef XMPP_XMPP_H
#define XMPP_XMPP_H

#include "prof_config.h"

#ifdef PROF_HAVE_LIBMESODE
#include <mesode.h>
#endif
#ifdef PROF_HAVE_LIBSTROPHE
#include <strophe.h>
#endif

#include "config/accounts.h"
#include "config/tlscerts.h"
#include "contact.h"
#include "jid.h"
#include "tools/autocomplete.h"

#define JABBER_PRIORITY_MIN -128
#define JABBER_PRIORITY_MAX 127

typedef enum {
    JABBER_UNDEFINED,
    JABBER_STARTED,
    JABBER_CONNECTING,
    JABBER_CONNECTED,
    JABBER_DISCONNECTING,
    JABBER_DISCONNECTED
} jabber_conn_status_t;

typedef enum {
    PRESENCE_SUBSCRIBE,
    PRESENCE_SUBSCRIBED,
    PRESENCE_UNSUBSCRIBED
} jabber_subscr_t;

typedef enum {
    INVITE_DIRECT,
    INVITE_MEDIATED
} jabber_invite_t;

typedef struct capabilities_t {
    char *category;
    char *type;
    char *name;
    char *software;
    char *software_version;
    char *os;
    char *os_version;
    GSList *features;
} Capabilities;

typedef struct disco_item_t {
    char *jid;
    char *name;
} DiscoItem;

typedef struct disco_identity_t {
    char *name;
    char *type;
    char *category;
} DiscoIdentity;

typedef enum {
    FIELD_HIDDEN,
    FIELD_TEXT_SINGLE,
    FIELD_TEXT_PRIVATE,
    FIELD_TEXT_MULTI,
    FIELD_BOOLEAN,
    FIELD_LIST_SINGLE,
    FIELD_LIST_MULTI,
    FIELD_JID_SINGLE,
    FIELD_JID_MULTI,
    FIELD_FIXED,
    FIELD_UNKNOWN
} form_field_type_t;

typedef struct form_option_t {
    char *label;
    char *value;
} FormOption;

typedef struct form_field_t {
    char *label;
    char *type;
    form_field_type_t type_t;
    char *var;
    char *description;
    gboolean required;
    GSList *values;
    GSList *options;
    Autocomplete value_ac;
} FormField;

typedef struct data_form_t {
    char *type;
    char *title;
    char *instructions;
    GSList *fields;
    GHashTable *var_to_tag;
    GHashTable *tag_to_var;
    Autocomplete tag_ac;
    gboolean modified;
} DataForm;

// connection functions
void jabber_init(void);
jabber_conn_status_t jabber_connect_with_details(const char *const jid, const char *const passwd,
    const char *const altdomain, const int port, const char *const tls_policy);
jabber_conn_status_t jabber_connect_with_account(const ProfAccount *const account);
void jabber_disconnect(void);
void jabber_shutdown(void);
void jabber_autoping_fail(void);
void jabber_process_events(int millis);
const char* jabber_get_fulljid(void);
const char* jabber_get_domain(void);
jabber_conn_status_t jabber_get_connection_status(void);
void jabber_set_connection_status(jabber_conn_status_t status);
char* jabber_get_presence_message(void);
char* jabber_get_account_name(void);
GList* jabber_get_available_resources(void);
char* jabber_create_uuid(void);
void jabber_free_uuid(char *uuid);
#ifdef PROF_HAVE_LIBMESODE
TLSCertificate* jabber_get_tls_peer_cert(void);
#endif
gboolean jabber_conn_is_secured(void);

// message functions
char* message_send_chat(const char *const barejid, const char *const msg);
char* message_send_chat_otr(const char *const barejid, const char *const msg);
char* message_send_chat_pgp(const char *const barejid, const char *const msg);
void message_send_private(const char *const fulljid, const char *const msg);
void message_send_groupchat(const char *const roomjid, const char *const msg);
void message_send_groupchat_subject(const char *const roomjid, const char *const subject);

void message_send_inactive(const char *const jid);
void message_send_composing(const char *const jid);
void message_send_paused(const char *const jid);
void message_send_gone(const char *const jid);

void message_send_invite(const char *const room, const char *const contact, const char *const reason);

// presence functions
void presence_subscription(const char *const jid, const jabber_subscr_t action);
GSList* presence_get_subscription_requests(void);
gint presence_sub_request_count(void);
void presence_reset_sub_request_search(void);
char* presence_sub_request_find(const char *const search_str);
void presence_join_room(char *room, char *nick, char * passwd);
void presence_change_room_nick(const char *const room, const char *const nick);
void presence_leave_chat_room(const char *const room_jid);
void presence_send(resource_presence_t status, const char *const msg, int idle, char *signed_status);
gboolean presence_sub_request_exists(const char *const bare_jid);

// iq functions
void iq_enable_carbons(void);
void iq_disable_carbons(void);
void iq_send_software_version(const char *const fulljid);
void iq_room_list_request(gchar *conferencejid);
void iq_disco_info_request(gchar *jid);
void iq_disco_items_request(gchar *jid);
void iq_last_activity_request(gchar *jid);
void iq_set_autoping(int seconds);
void iq_confirm_instant_room(const char *const room_jid);
void iq_destroy_room(const char *const room_jid);
void iq_request_room_config_form(const char *const room_jid);
void iq_submit_room_config(const char *const room, DataForm *form);
void iq_room_config_cancel(const char *const room_jid);
void iq_send_ping(const char *const target);
void iq_send_caps_request(const char *const to, const char *const id, const char *const node, const char *const ver);
void iq_send_caps_request_for_jid(const char *const to, const char *const id, const char *const node,
    const char *const ver);
void iq_send_caps_request_legacy(const char *const to, const char *const id, const char *const node,
    const char *const ver);
void iq_room_info_request(const char *const room, gboolean display_result);
void iq_room_affiliation_list(const char *const room, char *affiliation);
void iq_room_affiliation_set(const char *const room, const char *const jid, char *affiliation,
    const char *const reason);
void iq_room_kick_occupant(const char *const room, const char *const nick, const char *const reason);
void iq_room_role_set(const char *const room, const char *const nick, char *role, const char *const reason);
void iq_room_role_list(const char * const room, char *role);
void iq_autoping_check(void);

// caps functions
Capabilities* caps_lookup(const char *const jid);
void caps_close(void);
void caps_destroy(Capabilities *caps);

gboolean bookmark_add(const char *jid, const char *nick, const char *password, const char *autojoin_str);
gboolean bookmark_update(const char *jid, const char *nick, const char *password, const char *autojoin_str);
gboolean bookmark_remove(const char *jid);
gboolean bookmark_join(const char *jid);
const GList* bookmark_get_list(void);
char* bookmark_find(const char *const search_str);
void bookmark_autocomplete_reset(void);

void roster_send_name_change(const char *const barejid, const char *const new_name, GSList *groups);
void roster_send_add_to_group(const char *const group, PContact contact);
void roster_send_remove_from_group(const char *const group, PContact contact);
void roster_send_add_new(const char *const barejid, const char *const name);
void roster_send_remove(const char *const barejid);

void form_destroy(DataForm *form);
char* form_get_form_type_field(DataForm *form);
void form_set_value(DataForm *form, const char *const tag, char *value);
gboolean form_add_unique_value(DataForm *form, const char *const tag, char *value);
void form_add_value(DataForm *form, const char *const tag, char *value);
gboolean form_remove_value(DataForm *form, const char *const tag, char *value);
gboolean form_remove_text_multi_value(DataForm *form, const char *const tag, int index);
gboolean form_tag_exists(DataForm *form, const char *const tag);
form_field_type_t form_get_field_type(DataForm *form, const char *const tag);
gboolean form_field_contains_option(DataForm *form, const char *const tag, char *value);
int form_get_value_count(DataForm *form, const char *const tag);
FormField* form_get_field_by_tag(DataForm *form, const char *const tag);
Autocomplete form_get_value_ac(DataForm *form, const char *const tag);
void form_reset_autocompleters(DataForm *form);

GSList* form_get_non_form_type_fields_sorted(DataForm *form);
GSList* form_get_field_values_sorted(FormField *field);

#endif