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/*
 * Purple - Internet Messaging Library
 * Copyright (C) Pidgin Developers <devel@pidgin.im>
 *
 * Purple is the legal property of its developers, whose names are too numerous
 * to list here. Please refer to the COPYRIGHT file distributed with this
 * source distribution.
 *
 * This library 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 library 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 library; if not, see <https://www.gnu.org/licenses/>.
 */

#include <glib/gi18n-lib.h>

#include <birb.h>

#include "purplepresence.h"

#include "debug.h"
#include "purpleenums.h"
#include "purpleprivate.h"
#include "util.h"

struct _PurplePresence {
	GObject parent;

	GDateTime *idle_time;
	GDateTime *login_time;

	PurplePresencePrimitive primitive;
	char *message;
	char *emoji;
	gboolean mobile;
	gboolean notifications_disabled;
};

enum {
	PROP_0,
	PROP_IDLE,
	PROP_IDLE_TIME,
	PROP_LOGIN_TIME,
	PROP_PRIMITIVE,
	PROP_MESSAGE,
	PROP_EMOJI,
	PROP_MOBILE,
	PROP_NOTIFICATIONS_DISABLED,
	N_PROPERTIES,
};
static GParamSpec *properties[N_PROPERTIES] = {NULL, };

/******************************************************************************
 * GObject Implementation
 *****************************************************************************/
G_DEFINE_FINAL_TYPE(PurplePresence, purple_presence, G_TYPE_OBJECT)

static void
purple_presence_set_property(GObject *obj, guint param_id, const GValue *value,
                             GParamSpec *pspec)
{
	PurplePresence *presence = PURPLE_PRESENCE(obj);

	switch (param_id) {
	case PROP_IDLE:
		purple_presence_set_idle(presence, g_value_get_boolean(value));
		break;
	case PROP_IDLE_TIME:
		purple_presence_set_idle_time(presence, g_value_get_boxed(value));
		break;
	case PROP_LOGIN_TIME:
		purple_presence_set_login_time(presence, g_value_get_boxed(value));
		break;
	case PROP_PRIMITIVE:
		purple_presence_set_primitive(presence, g_value_get_enum(value));
		break;
	case PROP_MESSAGE:
		purple_presence_set_message(presence, g_value_get_string(value));
		break;
	case PROP_EMOJI:
		purple_presence_set_emoji(presence, g_value_get_string(value));
		break;
	case PROP_MOBILE:
		purple_presence_set_mobile(presence, g_value_get_boolean(value));
		break;
	case PROP_NOTIFICATIONS_DISABLED:
		purple_presence_set_notifications_disabled(presence,
		                                           g_value_get_boolean(value));
		break;
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec);
		break;
	}
}

static void
purple_presence_get_property(GObject *obj, guint param_id, GValue *value,
                             GParamSpec *pspec)
{
	PurplePresence *presence = PURPLE_PRESENCE(obj);

	switch (param_id) {
	case PROP_IDLE:
		g_value_set_boolean(value, purple_presence_is_idle(presence));
		break;
	case PROP_IDLE_TIME:
		g_value_set_boxed(value, purple_presence_get_idle_time(presence));
		break;
	case PROP_LOGIN_TIME:
		g_value_set_boxed(value, purple_presence_get_login_time(presence));
		break;
	case PROP_PRIMITIVE:
		g_value_set_enum(value, purple_presence_get_primitive(presence));
		break;
	case PROP_MESSAGE:
		g_value_set_string(value, purple_presence_get_message(presence));
		break;
	case PROP_EMOJI:
		g_value_set_string(value, purple_presence_get_emoji(presence));
		break;
	case PROP_MOBILE:
		g_value_set_boolean(value, purple_presence_get_mobile(presence));
		break;
	case PROP_NOTIFICATIONS_DISABLED:
		g_value_set_boolean(value,
		                    purple_presence_get_notifications_disabled(presence));
		break;
	default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec);
		break;
	}
}

static void
purple_presence_init(G_GNUC_UNUSED PurplePresence *presence) {
}

static void
purple_presence_finalize(GObject *obj) {
	PurplePresence *presence = PURPLE_PRESENCE(obj);

	g_clear_pointer(&presence->idle_time, g_date_time_unref);
	g_clear_pointer(&presence->login_time, g_date_time_unref);

	g_clear_pointer(&presence->message, g_free);
	g_clear_pointer(&presence->emoji, g_free);

	G_OBJECT_CLASS(purple_presence_parent_class)->finalize(obj);
}

static void
purple_presence_class_init(PurplePresenceClass *klass) {
	GObjectClass *obj_class = G_OBJECT_CLASS(klass);

	obj_class->get_property = purple_presence_get_property;
	obj_class->set_property = purple_presence_set_property;
	obj_class->finalize = purple_presence_finalize;

	/**
	 * PurplePresence:idle:
	 *
	 * Whether or not the presence is in an idle state.
	 *
	 * Since: 3.0
	 */
	properties[PROP_IDLE] = g_param_spec_boolean(
		"idle", NULL, NULL,
		FALSE,
		G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);

	/**
	 * PurplePresence:idle-time:
	 *
	 * The time when the presence went idle.
	 *
	 * Since: 3.0
	 */
	properties[PROP_IDLE_TIME] = g_param_spec_boxed(
		"idle-time", NULL, NULL,
		G_TYPE_DATE_TIME,
		G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);

	/**
	 * PurplePresence:login-time:
	 *
	 * The login-time of the presence.
	 *
	 * Since: 3.0
	 */
	properties[PROP_LOGIN_TIME] = g_param_spec_boxed(
		"login-time", NULL, NULL,
		G_TYPE_DATE_TIME,
		G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);

	/**
	 * PurplePresence:primitive:
	 *
	 * The [enum@Purple.PresencePrimitive] for this presence.
	 *
	 * Since: 3.0
	 */
	properties[PROP_PRIMITIVE] = g_param_spec_enum(
		"primitive", NULL, NULL,
		PURPLE_TYPE_PRESENCE_PRIMITIVE,
		PURPLE_PRESENCE_PRIMITIVE_OFFLINE,
		G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);

	/**
	 * PurplePresence:message:
	 *
	 * The status message of the presence.
	 *
	 * Since: 3.0
	 */
	properties[PROP_MESSAGE] = g_param_spec_string(
		"message", NULL, NULL,
		NULL,
		G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);

	/**
	 * PurplePresence:emoji:
	 *
	 * The emoji or mood of the presence.
	 *
	 * Since: 3.0
	 */
	properties[PROP_EMOJI] = g_param_spec_string(
		"emoji", NULL, NULL,
		NULL,
		G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);

	/**
	 * PurplePresence:mobile:
	 *
	 * Whether or not the presence is on a mobile device.
	 *
	 * Since: 3.0
	 */
	properties[PROP_MOBILE] = g_param_spec_boolean(
		"mobile", NULL, NULL,
		FALSE,
		G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);

	/**
	 * PurplePresence:notifications-disabled:
	 *
	 * Whether or not the presence has notifications disabled.
	 *
	 * Some protocols, like Slack, allow users to set an available schedule. By
	 * default it displays that the user has notifications turned off outside
	 * of that schedule.
	 *
	 * Since: 3.0
	 */
	properties[PROP_NOTIFICATIONS_DISABLED] = g_param_spec_boolean(
		"notifications-disabled", NULL, NULL,
		FALSE,
		G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);

	g_object_class_install_properties(obj_class, N_PROPERTIES, properties);
}

/******************************************************************************
 * Public API
 *****************************************************************************/
PurplePresence *
purple_presence_new(void) {
	return g_object_new(PURPLE_TYPE_PRESENCE, NULL);
}

void
purple_presence_set_idle_time(PurplePresence *presence, GDateTime *idle_time) {
	g_return_if_fail(PURPLE_IS_PRESENCE(presence));

	if(birb_date_time_set(&presence->idle_time, idle_time)) {
		GObject *obj = G_OBJECT(presence);

		g_object_freeze_notify(obj);
		g_object_notify_by_pspec(obj, properties[PROP_IDLE]);
		g_object_notify_by_pspec(obj, properties[PROP_IDLE_TIME]);
		g_object_thaw_notify(obj);
	}
}

void
purple_presence_set_idle(PurplePresence *presence, gboolean idle) {
	GDateTime *idle_time = NULL;

	g_return_if_fail(PURPLE_IS_PRESENCE(presence));

	if(idle) {
		idle_time = g_date_time_new_now_local();
	}

	purple_presence_set_idle_time(presence, idle_time);

	g_clear_pointer(&idle_time, g_date_time_unref);
}

void
purple_presence_set_login_time(PurplePresence *presence, GDateTime *login_time)
{
	g_return_if_fail(PURPLE_IS_PRESENCE(presence));

	if(birb_date_time_set(&presence->login_time, login_time)) {
		g_object_notify_by_pspec(G_OBJECT(presence),
		                         properties[PROP_LOGIN_TIME]);
	}
}

gboolean
purple_presence_is_available(PurplePresence *presence) {
	g_return_val_if_fail(PURPLE_IS_PRESENCE(presence), FALSE);

	return (presence->primitive == PURPLE_PRESENCE_PRIMITIVE_AVAILABLE);
}

gboolean
purple_presence_is_online(PurplePresence *presence) {
	g_return_val_if_fail(PURPLE_IS_PRESENCE(presence), FALSE);

	switch(presence->primitive) {
	case PURPLE_PRESENCE_PRIMITIVE_AVAILABLE:
	case PURPLE_PRESENCE_PRIMITIVE_IDLE:
	case PURPLE_PRESENCE_PRIMITIVE_INVISIBLE:
	case PURPLE_PRESENCE_PRIMITIVE_AWAY:
	case PURPLE_PRESENCE_PRIMITIVE_DO_NOT_DISTURB:
	case PURPLE_PRESENCE_PRIMITIVE_STREAMING:
		return TRUE;
	case PURPLE_PRESENCE_PRIMITIVE_OFFLINE:
	default:
		return FALSE;
	}
}

gboolean
purple_presence_is_idle(PurplePresence *presence) {
	g_return_val_if_fail(PURPLE_IS_PRESENCE(presence), FALSE);

	if(!purple_presence_is_online(presence)) {
		return FALSE;
	}

	return (presence->idle_time != NULL);
}

GDateTime *
purple_presence_get_idle_time(PurplePresence *presence) {
	g_return_val_if_fail(PURPLE_IS_PRESENCE(presence), NULL);

	return presence->idle_time;
}

GDateTime *
purple_presence_get_login_time(PurplePresence *presence) {
	g_return_val_if_fail(PURPLE_IS_PRESENCE(presence), 0);

	return presence->login_time;
}

int
purple_presence_compare(PurplePresence *presence1, PurplePresence *presence2) {
	PurplePresencePrimitive primitive1 = PURPLE_PRESENCE_PRIMITIVE_OFFLINE;
	PurplePresencePrimitive primitive2 = PURPLE_PRESENCE_PRIMITIVE_OFFLINE;
	GDateTime *idle1 = NULL;
	GDateTime *idle2 = NULL;

	if(presence1 == presence2) {
		return 0;
	} else if (presence1 == NULL) {
		return 1;
	} else if (presence2 == NULL) {
		return -1;
	}

	primitive1 = purple_presence_get_primitive(presence1);
	primitive2 = purple_presence_get_primitive(presence2);

	if(primitive1 != PURPLE_PRESENCE_PRIMITIVE_OFFLINE &&
	   primitive2 == PURPLE_PRESENCE_PRIMITIVE_OFFLINE)
	{
		return -1;
	} else if(primitive1 == PURPLE_PRESENCE_PRIMITIVE_OFFLINE &&
	          primitive2 != PURPLE_PRESENCE_PRIMITIVE_OFFLINE)
	{
		return 1;
	}

	idle1 = purple_presence_get_idle_time(presence1);
	idle2 = purple_presence_get_idle_time(presence2);

	return birb_date_time_compare(idle1, idle2);
}

PurplePresencePrimitive
purple_presence_get_primitive(PurplePresence *presence) {
	g_return_val_if_fail(PURPLE_IS_PRESENCE(presence),
	                     PURPLE_PRESENCE_PRIMITIVE_OFFLINE);

	return presence->primitive;
}

void
purple_presence_set_primitive(PurplePresence *presence,
                              PurplePresencePrimitive primitive)
{
	g_return_if_fail(PURPLE_IS_PRESENCE(presence));

	if(presence->primitive != primitive) {
		presence->primitive = primitive;

		g_object_notify_by_pspec(G_OBJECT(presence),
		                         properties[PROP_PRIMITIVE]);
	}
}

const char *
purple_presence_get_message(PurplePresence *presence) {
	g_return_val_if_fail(PURPLE_IS_PRESENCE(presence), NULL);

	return presence->message;
}

void
purple_presence_set_message(PurplePresence *presence, const char *message) {
	g_return_if_fail(PURPLE_IS_PRESENCE(presence));

	if(g_set_str(&presence->message, message)) {
		g_object_notify_by_pspec(G_OBJECT(presence), properties[PROP_MESSAGE]);
	}
}

const char *
purple_presence_get_emoji(PurplePresence *presence) {
	g_return_val_if_fail(PURPLE_IS_PRESENCE(presence), NULL);

	return presence->emoji;
}

void
purple_presence_set_emoji(PurplePresence *presence, const char *emoji) {
	g_return_if_fail(PURPLE_IS_PRESENCE(presence));

	if(g_set_str(&presence->emoji, emoji)) {
		g_object_notify_by_pspec(G_OBJECT(presence), properties[PROP_EMOJI]);
	}
}

gboolean
purple_presence_get_mobile(PurplePresence *presence) {
	g_return_val_if_fail(PURPLE_IS_PRESENCE(presence), FALSE);

	return presence->mobile;
}

void
purple_presence_set_mobile(PurplePresence *presence, gboolean mobile) {
	g_return_if_fail(PURPLE_IS_PRESENCE(presence));

	if(presence->mobile != mobile) {
		presence->mobile = mobile;

		g_object_notify_by_pspec(G_OBJECT(presence), properties[PROP_MOBILE]);
	}
}

gboolean
purple_presence_get_notifications_disabled(PurplePresence *presence) {
	g_return_val_if_fail(PURPLE_IS_PRESENCE(presence), FALSE);

	return presence->notifications_disabled;
}

void
purple_presence_set_notifications_disabled(PurplePresence *presence,
                                           gboolean notifications_disabled)
{
	g_return_if_fail(PURPLE_IS_PRESENCE(presence));

	if(presence->notifications_disabled != notifications_disabled) {
		presence->notifications_disabled = notifications_disabled;

		g_object_notify_by_pspec(G_OBJECT(presence),
		                         properties[PROP_NOTIFICATIONS_DISABLED]);
	}
}

const char *
purple_presence_primitive_to_string(PurplePresencePrimitive primitive) {
	switch(primitive) {
	case PURPLE_PRESENCE_PRIMITIVE_OFFLINE:
		return _("Offline");
		break;
	case PURPLE_PRESENCE_PRIMITIVE_AVAILABLE:
		return _("Available");
		break;
	case PURPLE_PRESENCE_PRIMITIVE_IDLE:
		return _("Idle");
		break;
	case PURPLE_PRESENCE_PRIMITIVE_INVISIBLE:
		return _("Invisible");
		break;
	case PURPLE_PRESENCE_PRIMITIVE_AWAY:
		return _("Away");
		break;
	case PURPLE_PRESENCE_PRIMITIVE_DO_NOT_DISTURB:
		return _("Do not disturb");
		break;
	case PURPLE_PRESENCE_PRIMITIVE_STREAMING:
		return _("Streaming");
		break;
	default:
		return _("Unknown");
		break;
	}
}