/*
 * Copyright (C) 2014 Michal Ratajsky <michal.ratajsky@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the licence, 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */

#include <string.h>
#include <glib.h>

#include <libmatemixer/matemixer-enums.h>

#include <pulse/pulseaudio.h>

#include "pulse-helpers.h"

typedef struct {
    MateMixerChannelPosition mm_position;
    pa_channel_position_t    pa_position;
} PositionMap;

// XXX optimize
static PositionMap const position_map[] = {
    { MATE_MIXER_CHANNEL_UNKNOWN,            PA_CHANNEL_POSITION_INVALID },
    { MATE_MIXER_CHANNEL_MONO,               PA_CHANNEL_POSITION_MONO },
    { MATE_MIXER_CHANNEL_FRONT_LEFT,         PA_CHANNEL_POSITION_FRONT_LEFT },
    { MATE_MIXER_CHANNEL_FRONT_RIGHT,        PA_CHANNEL_POSITION_FRONT_RIGHT },
    { MATE_MIXER_CHANNEL_FRONT_CENTER,       PA_CHANNEL_POSITION_FRONT_CENTER },
    { MATE_MIXER_CHANNEL_LFE,                PA_CHANNEL_POSITION_LFE },
    { MATE_MIXER_CHANNEL_BACK_LEFT,          PA_CHANNEL_POSITION_REAR_LEFT },
    { MATE_MIXER_CHANNEL_BACK_RIGHT,         PA_CHANNEL_POSITION_REAR_RIGHT },
    { MATE_MIXER_CHANNEL_BACK_CENTER,        PA_CHANNEL_POSITION_REAR_CENTER },
    { MATE_MIXER_CHANNEL_FRONT_LEFT_CENTER,  PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER },
    { MATE_MIXER_CHANNEL_FRONT_RIGHT_CENTER, PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER },
    { MATE_MIXER_CHANNEL_SIDE_LEFT,          PA_CHANNEL_POSITION_SIDE_LEFT },
    { MATE_MIXER_CHANNEL_SIDE_RIGHT,         PA_CHANNEL_POSITION_SIDE_RIGHT },
    { MATE_MIXER_CHANNEL_TOP_FRONT_LEFT,     PA_CHANNEL_POSITION_TOP_FRONT_LEFT },
    { MATE_MIXER_CHANNEL_TOP_FRONT_RIGHT,    PA_CHANNEL_POSITION_TOP_FRONT_RIGHT },
    { MATE_MIXER_CHANNEL_TOP_FRONT_CENTER,   PA_CHANNEL_POSITION_TOP_FRONT_CENTER },
    { MATE_MIXER_CHANNEL_TOP_CENTER,         PA_CHANNEL_POSITION_TOP_CENTER },
    { MATE_MIXER_CHANNEL_TOP_BACK_LEFT,      PA_CHANNEL_POSITION_TOP_REAR_LEFT },
    { MATE_MIXER_CHANNEL_TOP_BACK_RIGHT,     PA_CHANNEL_POSITION_TOP_REAR_RIGHT },
    { MATE_MIXER_CHANNEL_TOP_BACK_CENTER,    PA_CHANNEL_POSITION_TOP_REAR_CENTER },
};

MateMixerChannelPosition
pulse_convert_position_from_pulse (pa_channel_position_t position)
{
    guint i;

    for (i = 0; i < G_N_ELEMENTS (position_map); i++) {
        if (position == position_map[i].pa_position)
            return position_map[i].mm_position;
    }
    return MATE_MIXER_CHANNEL_UNKNOWN;
}

pa_channel_position_t
pulse_convert_position_to_pulse (MateMixerChannelPosition position)
{
    guint i;

    for (i = 0; i < G_N_ELEMENTS (position_map); i++) {
        if (position == position_map[i].mm_position)
            return position_map[i].pa_position;
    }
    return PA_CHANNEL_POSITION_INVALID;
}

MateMixerStreamControlMediaRole
pulse_convert_media_role_name (const gchar *name)
{
    if (!strcmp (name, "video")) {
        return MATE_MIXER_STREAM_CONTROL_MEDIA_ROLE_VIDEO;
    }
    else if (!strcmp (name, "music")) {
        return MATE_MIXER_STREAM_CONTROL_MEDIA_ROLE_MUSIC;
    }
    else if (!strcmp (name, "game")) {
        return MATE_MIXER_STREAM_CONTROL_MEDIA_ROLE_GAME;
    }
    else if (!strcmp (name, "event")) {
        return MATE_MIXER_STREAM_CONTROL_MEDIA_ROLE_EVENT;
    }
    else if (!strcmp (name, "phone")) {
        return MATE_MIXER_STREAM_CONTROL_MEDIA_ROLE_PHONE;
    }
    else if (!strcmp (name, "animation")) {
        return MATE_MIXER_STREAM_CONTROL_MEDIA_ROLE_ANIMATION;
    }
    else if (!strcmp (name, "production")) {
        return MATE_MIXER_STREAM_CONTROL_MEDIA_ROLE_PRODUCTION;
    }
    else if (!strcmp (name, "a11y")) {
        return MATE_MIXER_STREAM_CONTROL_MEDIA_ROLE_A11Y;
    }
    else if (!strcmp (name, "test")) {
        return MATE_MIXER_STREAM_CONTROL_MEDIA_ROLE_TEST;
    }
    else if (!strcmp (name, "abstract")) {
        return MATE_MIXER_STREAM_CONTROL_MEDIA_ROLE_ABSTRACT;
    }
    else if (!strcmp (name, "filter")) {
        return MATE_MIXER_STREAM_CONTROL_MEDIA_ROLE_FILTER;
    }

    return MATE_MIXER_STREAM_CONTROL_MEDIA_ROLE_UNKNOWN;
}