extern "C" {
#include "disk.h"
#include "common/stringUtils.h"
}
#include <fs_info.h>
#include <Directory.h>
#include <Path.h>

const char* ffDetectDisksImpl(FFDiskOptions* options, FFlist* disks) {
    int32 pos = 0;

    for (dev_t dev; (dev = next_dev(&pos)) >= B_OK;) {
        fs_info fs;
        if (fs_stat_dev(dev, &fs) < 0) {
            continue;
        }

        node_ref node(fs.dev, fs.root);
        BDirectory dir(&node);
        BPath path(&dir);
        if (path.InitCheck() != B_OK) {
            continue;
        }

        if (__builtin_expect(options->folders.length, 0)) {
            if (!ffStrbufSeparatedContainS(&options->folders, path.Path(), FF_DISK_FOLDER_SEPARATOR)) {
                continue;
            }
        }

        if (options->hideFolders.length && ffDiskMatchesFolderPatterns(&options->hideFolders, path.Path(), FF_DISK_FOLDER_SEPARATOR)) {
            continue;
        }

        if (options->hideFS.length && ffStrbufSeparatedContainS(&options->hideFS, fs.fsh_name, ':')) {
            continue;
        }

        FFDisk* disk = FF_LIST_ADD(FFDisk, *disks);

        disk->bytesTotal = (uint64_t) fs.total_blocks * (uint64_t) fs.block_size;
        disk->bytesFree = (uint64_t) fs.free_blocks * (uint64_t) fs.block_size;
        disk->bytesAvailable = disk->bytesFree;
        disk->bytesUsed = 0; // To be filled in ./disk.c

        disk->filesTotal = (uint32_t) fs.total_nodes;
        disk->filesUsed = (uint32_t) (fs.total_nodes - fs.free_nodes);

        ffStrbufInitS(&disk->mountFrom, fs.device_name);
        ffStrbufInitS(&disk->mountpoint, path.Path());
        ffStrbufInitS(&disk->filesystem, fs.fsh_name);
        ffStrbufInitS(&disk->name, fs.volume_name);
        disk->type = FF_DISK_VOLUME_TYPE_NONE;
        if (!(fs.flags & B_FS_IS_PERSISTENT)) {
            disk->type = (FFDiskVolumeType) (disk->type | FF_DISK_VOLUME_TYPE_HIDDEN_BIT);
        }
        if (fs.flags & B_FS_IS_READONLY) {
            disk->type = (FFDiskVolumeType) (disk->type | FF_DISK_VOLUME_TYPE_READONLY_BIT);
        }
        if (fs.flags & B_FS_IS_REMOVABLE) {
            disk->type = (FFDiskVolumeType) (disk->type | FF_DISK_VOLUME_TYPE_EXTERNAL_BIT);
        }
        if (disk->type == FF_DISK_VOLUME_TYPE_NONE) {
            disk->type = FF_DISK_VOLUME_TYPE_REGULAR_BIT;
        }
        disk->createTime = 0;

        time_t crTime;
        if (dir.GetCreationTime(&crTime) == B_OK) {
            disk->createTime = (uint64_t) crTime * 1000;
        }
    }
    return NULL;
}
