/*
 * Copyright 2015 Haiku, Inc. All rights reserved.
 * Distributed under the terms of the MIT License.
 */

#include <MidiSettings.h>

#include <File.h>
#include <FindDirectory.h>
#include <Path.h>

#include <driver_settings.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define SETTINGS_FILE "Media/midi_settings"

namespace BPrivate {

status_t
read_midi_settings(struct midi_settings* settings)
{
        if (settings == NULL)
                return B_ERROR;

        BPath path;
        status_t status = find_directory(B_USER_SETTINGS_DIRECTORY, &path);
        if (status != B_OK)
                return status;

        path.Append(SETTINGS_FILE);
        void* handle = load_driver_settings(path.Path());
        if (handle == NULL)
                return B_ERROR;

        const char* soundfont = get_driver_parameter(handle, "soundfont", NULL,
                NULL);
        if (soundfont == NULL) {
                unload_driver_settings(handle);
                return B_ERROR;
        }
        strlcpy(settings->soundfont_file, soundfont,
                sizeof(settings->soundfont_file));

        unload_driver_settings(handle);
        return B_OK;
}


status_t
write_midi_settings(struct midi_settings settings)
{
        BPath path;
        status_t status = find_directory(B_USER_SETTINGS_DIRECTORY, &path);
        if (status != B_OK)
                return status;

        path.Append(SETTINGS_FILE);

        BFile file;
        if (file.SetTo(path.Path(), B_WRITE_ONLY | B_CREATE_FILE | B_ERASE_FILE)
                != B_OK)
                return B_ERROR;

        char buffer[B_FILE_NAME_LENGTH + 128];
        snprintf(buffer, sizeof(buffer), "# Midi\n\tsoundfont \"%s\"\n",
                        settings.soundfont_file);

        size_t bufferSize = strlen(buffer);
        if (file.InitCheck() != B_OK
                || file.Write(buffer, bufferSize) != (ssize_t)bufferSize)
                return B_ERROR;

        return B_OK;
}

}