// Copyright (c) 2019-2023 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module os

import strings

pub const max_path_len = 4096

pub const wd_at_startup = getwd()

const f_ok = 0

const x_ok = 1

const w_ok = 2

const r_ok = 4

pub struct Result {
pub:
    exit_code int
    output    string
    // stderr string // TODO
}

pub struct Command {
mut:
    f voidptr
pub mut:
    eof       bool
    exit_code int
pub:
    path            string
    redirect_stdout bool
}

[unsafe]
pub fn (mut result Result) free() {
    unsafe { result.output.free() }
}

// executable_fallback is used when there is not a more platform specific and accurate implementation.
// It relies on path manipulation of os.args[0] and os.wd_at_startup, so it may not work properly in
// all cases, but it should be better, than just using os.args[0] directly.
fn executable_fallback() string {
    if args.len == 0 {
        // we are early in the bootstrap, os.args has not been initialized yet :-|
        return ''
    }
    mut exepath := args[0]
    $if windows {
        if !exepath.contains('.exe') {
            exepath += '.exe'
        }
    }
    if !is_abs_path(exepath) {
        other_seperator := if path_separator == '/' { '\\' } else { '/' }
        rexepath := exepath.replace(other_seperator, path_separator)
        if rexepath.contains(path_separator) {
            exepath = join_path_single(os.wd_at_startup, exepath)
        } else {
            // no choice but to try to walk the PATH folders :-| ...
            foundpath := find_abs_path_of_executable(exepath) or { '' }
            if foundpath.len > 0 {
                exepath = foundpath
            }
        }
    }
    exepath = real_path(exepath)
    return exepath
}

// cp_all will recursively copy `src` to `dst`,
// optionally overwriting files or dirs in `dst`.
pub fn cp_all(src string, dst string, overwrite bool) ! {
    source_path := real_path(src)
    dest_path := real_path(dst)
    if !exists(source_path) {
        return error("Source path doesn't exist")
    }
    // single file copy
    if !is_dir(source_path) {
        fname := file_name(source_path)
        adjusted_path := if is_dir(dest_path) {
            join_path_single(dest_path, fname)
        } else {
            dest_path
        }
        if exists(adjusted_path) {
            if overwrite {
                rm(adjusted_path)!
            } else {
                return error('Destination file path already exist')
            }
        }
        cp(source_path, adjusted_path)!
        return
    }
    if !exists(dest_path) {
        mkdir(dest_path)!
    }
    if !is_dir(dest_path) {
        return error('Destination path is not a valid directory')
    }
    files := ls(source_path)!
    for file in files {
        sp := join_path_single(source_path, file)
        dp := join_path_single(dest_path, file)
        if is_dir(sp) {
            if !exists(dp) {
                mkdir(dp)!
            }
        }
        cp_all(sp, dp, overwrite) or {
            rmdir(dp) or { return err }
            return err
        }
    }
}

// mv_by_cp first copies the source file, and if it is copied successfully, deletes the source file.
// may be used when you are not sure that the source and target are on the same mount/partition.
pub fn mv_by_cp(source string, target string) ! {
    cp(source, target)!
    rm(source)!
}

// mv moves files or folders from `src` to `dst`.
pub fn mv(source string, target string) ! {
    rename(source, target) or { mv_by_cp(source, target)! }
}

// read_lines reads the file in `path` into an array of lines.
[manualfree]
pub fn read_lines(path string) ![]string {
    buf := read_file(path)!
    res := buf.split_into_lines()
    unsafe { buf.free() }
    return res
}

// sigint_to_signal_name will translate `si` signal integer code to it's string code representation.
pub fn sigint_to_signal_name(si int) string {
    // POSIX signals:
    match si {
        1 { return 'SIGHUP' }
        2 { return 'SIGINT' }
        3 { return 'SIGQUIT' }
        4 { return 'SIGILL' }
        6 { return 'SIGABRT' }
        8 { return 'SIGFPE' }
        9 { return 'SIGKILL' }
        11 { return 'SIGSEGV' }
        13 { return 'SIGPIPE' }
        14 { return 'SIGALRM' }
        15 { return 'SIGTERM' }
        else {}
    }
    $if linux {
        // From `man 7 signal` on linux:
        match si {
            // TODO dependent on platform
            // works only on x86/ARM/most others
            10 { // , 30, 16
                return 'SIGUSR1'
            }
            12 { // , 31, 17
                return 'SIGUSR2'
            }
            17 { // , 20, 18
                return 'SIGCHLD'
            }
            18 { // , 19, 25
                return 'SIGCONT'
            }
            19 { // , 17, 23
                return 'SIGSTOP'
            }
            20 { // , 18, 24
                return 'SIGTSTP'
            }
            21 { // , 26
                return 'SIGTTIN'
            }
            22 { // , 27
                return 'SIGTTOU'
            }
            // /////////////////////////////
            5 {
                return 'SIGTRAP'
            }
            7 {
                return 'SIGBUS'
            }
            else {}
        }
    }
    return 'unknown'
}

// rmdir_all recursively removes the specified directory.
pub fn rmdir_all(path string) ! {
    mut ret_err := ''
    items := ls(path)!
    for item in items {
        fullpath := join_path_single(path, item)
        if is_dir(fullpath) && !is_link(fullpath) {
            rmdir_all(fullpath) or { ret_err = err.msg() }
        } else {
            rm(fullpath) or { ret_err = err.msg() }
        }
    }
    rmdir(path) or { ret_err = err.msg() }
    if ret_err.len > 0 {
        return error(ret_err)
    }
}

// is_dir_empty will return a `bool` whether or not `path` is empty.
// Note that it will return `true` if `path` does not exist.
[manualfree]
pub fn is_dir_empty(path string) bool {
    items := ls(path) or { return true }
    res := items.len == 0
    unsafe { items.free() }
    return res
}

// file_ext will return the part after the last occurence of `.` in `path`.
// The `.` is included.
// Examples:
// ```v
// assert os.file_ext('file.v') == '.v'
// assert os.file_ext('.ignore_me') == ''
// assert os.file_ext('.') == ''
// ```
pub fn file_ext(opath string) string {
    if opath.len < 3 {
        return empty_str
    }
    path := file_name(opath)
    pos := path.last_index(dot_str) or { return empty_str }
    if pos + 1 >= path.len || pos == 0 {
        return empty_str
    }
    return path[pos..]
}

// dir returns all but the last element of path, typically the path's directory.
// After dropping the final element, trailing slashes are removed.
// If the path is empty, dir returns ".". If the path consists entirely of separators,
// dir returns a single separator.
// The returned path does not end in a separator unless it is the root directory.
pub fn dir(opath string) string {
    if opath == '' {
        return '.'
    }
    other_seperator := if path_separator == '/' { '\\' } else { '/' }
    path := opath.replace(other_seperator, path_separator)
    pos := path.last_index(path_separator) or { return '.' }
    if pos == 0 && path_separator == '/' {
        return '/'
    }
    return path[..pos]
}

// base returns the last element of path.
// Trailing path separators are removed before extracting the last element.
// If the path is empty, base returns ".". If the path consists entirely of separators, base returns a
// single separator.
pub fn base(opath string) string {
    if opath == '' {
        return '.'
    }
    other_seperator := if path_separator == '/' { '\\' } else { '/' }
    path := opath.replace(other_seperator, path_separator)
    if path == path_separator {
        return path_separator
    }
    if path.ends_with(path_separator) {
        path2 := path[..path.len - 1]
        pos := path2.last_index(path_separator) or { return path2.clone() }
        return path2[pos + 1..]
    }
    pos := path.last_index(path_separator) or { return path.clone() }
    return path[pos + 1..]
}

// file_name will return all characters found after the last occurence of `path_separator`.
// file extension is included.
pub fn file_name(opath string) string {
    other_seperator := if path_separator == '/' { '\\' } else { '/' }
    path := opath.replace(other_seperator, path_separator)
    return path.all_after_last(path_separator)
}

// input_opt returns a one-line string from stdin, after printing a prompt.
// Returns `none` in case of an error (end of input).
pub fn input_opt(prompt string) ?string {
    print(prompt)
    flush()
    res := get_raw_line()
    if res.len > 0 {
        return res.trim_right('\r\n')
    }
    return none
}

// input returns a one-line string from stdin, after printing a prompt.
// Returns '<EOF>' in case of an error (end of input).
pub fn input(prompt string) string {
    res := input_opt(prompt) or { return '<EOF>' }
    return res
}

// get_line returns a one-line string from stdin
pub fn get_line() string {
    str := get_raw_line()
    $if windows {
        return str.trim_right('\r\n')
    }
    return str.trim_right('\n')
}

// get_lines returns an array of strings read from from stdin.
// reading is stopped when an empty line is read.
pub fn get_lines() []string {
    mut line := ''
    mut inputstr := []string{}
    for {
        line = get_line()
        if line.len <= 0 {
            break
        }
        line = line.trim_space()
        inputstr << line
    }
    return inputstr
}

// get_lines_joined returns a string of the values read from from stdin.
// reading is stopped when an empty line is read.
pub fn get_lines_joined() string {
    mut line := ''
    mut inputstr := ''
    for {
        line = get_line()
        if line.len <= 0 {
            break
        }
        line = line.trim_space()
        inputstr += line
    }
    return inputstr
}

// get_raw_lines_joined reads *all* input lines from stdin.
// It returns them as one large string. Note: unlike os.get_lines_joined,
// empty lines (that contain only `\r\n` or `\n`), will be present in
// the output.
// Reading is stopped, only on EOF of stdin.
pub fn get_raw_lines_joined() string {
    mut line := ''
    mut lines := []string{}
    for {
        line = get_raw_line()
        if line.len <= 0 {
            break
        }
        lines << line
    }
    res := lines.join('')
    return res
}

// user_os returns current user operating system name.
pub fn user_os() string {
    $if linux {
        return 'linux'
    }
    $if macos {
        return 'macos'
    }
    $if windows {
        return 'windows'
    }
    $if freebsd {
        return 'freebsd'
    }
    $if openbsd {
        return 'openbsd'
    }
    $if netbsd {
        return 'netbsd'
    }
    $if dragonfly {
        return 'dragonfly'
    }
    $if android {
        return 'android'
    }
    $if termux {
        return 'termux'
    }
    $if solaris {
        return 'solaris'
    }
    $if qnx {
        return 'qnx'
    }
    $if haiku {
        return 'haiku'
    }
    $if serenity {
        return 'serenity'
    }
    $if vinix {
        return 'vinix'
    }
    if getenv('TERMUX_VERSION') != '' {
        return 'termux'
    }
    return 'unknown'
}

// user_names returns an array of the name of every user on the system.
pub fn user_names() ![]string {
    $if windows {
        result := execute('wmic useraccount get name')
        if result.exit_code != 0 {
            return error('Failed to get user names. Exited with code ${result.exit_code}: ${result.output}')
        }
        mut users := result.output.split_into_lines()
        // windows command prints an empty line at the end of output
        users.delete(users.len - 1)
        return users
    } $else {
        lines := read_lines('/etc/passwd')!
        mut users := []string{cap: lines.len}
        for line in lines {
            end_name := line.index(':') or { line.len }
            users << line[0..end_name]
        }
        return users
    }
}

// home_dir returns path to the user's home directory.
pub fn home_dir() string {
    $if windows {
        return getenv('USERPROFILE')
    } $else {
        // println('home_dir() call')
        // res:= os.getenv('HOME')
        // println('res="$res"')
        return getenv('HOME')
    }
}

// expand_tilde_to_home expands the character `~` in `path` to the user's home directory.
// See also `home_dir()`.
pub fn expand_tilde_to_home(path string) string {
    if path == '~' {
        return home_dir().trim_right(path_separator)
    }
    if path.starts_with('~' + path_separator) {
        return path.replace_once('~' + path_separator, home_dir().trim_right(path_separator) +
            path_separator)
    }
    return path
}

// write_file writes `text` data to the file in `path`.
// If `path` exists, the contents of `path` will be overwritten with the contents of `text`.
pub fn write_file(path string, text string) ! {
    mut f := create(path)!
    unsafe { f.write_full_buffer(text.str, usize(text.len))! }
    f.close()
}

pub struct ExecutableNotFoundError {
    Error
}

pub fn (err ExecutableNotFoundError) msg() string {
    return 'os: failed to find executable'
}

fn error_failed_to_find_executable() IError {
    return &ExecutableNotFoundError{}
}

// find_abs_path_of_executable walks the environment PATH, just like most shell do, it returns
// the absolute path of the executable if found
pub fn find_abs_path_of_executable(exepath string) !string {
    if exepath == '' {
        return error('expected non empty `exepath`')
    }

    for suffix in executable_suffixes {
        fexepath := exepath + suffix
        if is_abs_path(fexepath) {
            return real_path(fexepath)
        }
        mut res := ''
        path := getenv('PATH')
        paths := path.split(path_delimiter)
        for p in paths {
            found_abs_path := join_path_single(p, fexepath)
            $if trace_find_abs_path_of_executable ? {
                dump(found_abs_path)
            }
            if exists(found_abs_path) && is_executable(found_abs_path) {
                res = found_abs_path
                break
            }
        }
        if res.len > 0 {
            return real_path(res)
        }
    }
    return error_failed_to_find_executable()
}

// exists_in_system_path returns `true` if `prog` exists in the system's PATH
pub fn exists_in_system_path(prog string) bool {
    find_abs_path_of_executable(prog) or { return false }
    return true
}

// is_file returns a `bool` indicating whether the given `path` is a file.
pub fn is_file(path string) bool {
    return exists(path) && !is_dir(path)
}

// join_path returns a path as string from input string parameter(s).
[manualfree]
pub fn join_path(base string, dirs ...string) string {
    // TODO: fix freeing of `dirs` when the passed arguments are variadic,
    // but do not free the arr, when `os.join_path(base, ...arr)` is called.
    mut sb := strings.new_builder(base.len + dirs.len * 50)
    defer {
        unsafe { sb.free() }
    }
    sbase := base.trim_right('\\/')
    defer {
        unsafe { sbase.free() }
    }
    sb.write_string(sbase)
    for d in dirs {
        sb.write_string(path_separator)
        sb.write_string(d)
    }
    mut res := sb.str()
    if res.contains('/./') {
        // Fix `join_path("/foo/bar", "./file.txt")` => `/foo/bar/./file.txt`
        res = res.replace('/./', '/')
    }
    return res
}

// join_path_single appends the `elem` after `base`, using a platform specific
// path_separator.
[manualfree]
pub fn join_path_single(base string, elem string) string {
    // TODO: deprecate this and make it `return os.join_path(base, elem)`,
    // when freeing variadic args vs ...arr is solved in the compiler
    mut sb := strings.new_builder(base.len + elem.len + 1)
    defer {
        unsafe { sb.free() }
    }
    sbase := base.trim_right('\\/')
    defer {
        unsafe { sbase.free() }
    }
    sb.write_string(sbase)
    sb.write_string(path_separator)
    sb.write_string(elem)
    return sb.str()
}

// walk_ext returns a recursive list of all files in `path` ending with `ext`.
pub fn walk_ext(path string, ext string) []string {
    mut res := []string{}
    impl_walk_ext(path, ext, mut res)
    return res
}

fn impl_walk_ext(path string, ext string, mut out []string) {
    if !is_dir(path) {
        return
    }
    mut files := ls(path) or { return }
    separator := if path.ends_with(path_separator) { '' } else { path_separator }
    for file in files {
        if file.starts_with('.') {
            continue
        }
        p := path + separator + file
        if is_dir(p) && !is_link(p) {
            impl_walk_ext(p, ext, mut out)
        } else if file.ends_with(ext) {
            out << p
        }
    }
}

// walk traverses the given directory `path`.
// When a file is encountred, it will call the callback `f` with current file as argument.
// Note: walk can be called even for deeply nested folders,
// since it does not recurse, but processes them iteratively.
pub fn walk(path string, f fn (string)) {
    if path.len == 0 {
        return
    }
    if !is_dir(path) {
        return
    }
    mut remaining := []string{cap: 1000}
    clean_path := path.trim_right(path_separator)
    $if windows {
        remaining << clean_path.replace('/', '\\')
    } $else {
        remaining << clean_path
    }
    for remaining.len > 0 {
        cpath := remaining.pop()
        pkind := kind_of_existing_path(cpath)
        if pkind.is_link || !pkind.is_dir {
            f(cpath)
            continue
        }
        mut files := ls(cpath) or { continue }
        for idx := files.len - 1; idx >= 0; idx-- {
            remaining << cpath + path_separator + files[idx]
        }
    }
}

// FnWalkContextCB is used to define the callback functions, passed to os.walk_context
pub type FnWalkContextCB = fn (voidptr, string)

// walk_with_context traverses the given directory `path`.
// For each encountred file *and* directory, it will call your `fcb` callback,
// passing it the arbitrary `context` in its first parameter,
// and the path to the file in its second parameter.
// Note: walk_with_context can be called even for deeply nested folders,
// since it does not recurse, but processes them iteratively.
pub fn walk_with_context(path string, context voidptr, fcb FnWalkContextCB) {
    if path.len == 0 {
        return
    }
    if !is_dir(path) {
        return
    }
    mut remaining := []string{cap: 1000}
    clean_path := path.trim_right(path_separator)
    $if windows {
        remaining << clean_path.replace('/', '\\')
    } $else {
        remaining << clean_path
    }
    mut loops := 0
    for remaining.len > 0 {
        loops++
        cpath := remaining.pop()
        // call `fcb` for everything, but the initial folder:
        if loops > 1 {
            fcb(context, cpath)
        }
        pkind := kind_of_existing_path(cpath)
        if pkind.is_link || !pkind.is_dir {
            continue
        }
        mut files := ls(cpath) or { continue }
        for idx := files.len - 1; idx >= 0; idx-- {
            remaining << cpath + path_separator + files[idx]
        }
    }
}

// log will print "os.log: "+`s` ...
pub fn log(s string) {
    println('os.log: ' + s)
}

[params]
pub struct MkdirParams {
    mode u32 = 0o777 // note that the actual mode is affected by the process's umask
}

// mkdir_all will create a valid full path of all directories given in `path`.
pub fn mkdir_all(opath string, params MkdirParams) ! {
    other_seperator := if path_separator == '/' { '\\' } else { '/' }
    path := opath.replace(other_seperator, path_separator)
    mut p := if path.starts_with(path_separator) { path_separator } else { '' }
    path_parts := path.trim_left(path_separator).split(path_separator)
    for subdir in path_parts {
        p += subdir + path_separator
        if exists(p) && is_dir(p) {
            continue
        }
        mkdir(p, params) or { return error('folder: ${p}, error: ${err}') }
    }
}

// cache_dir returns the path to a *writable* user specific folder, suitable for writing non-essential data.
pub fn cache_dir() string {
    // See: https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
    // There is a single base directory relative to which user-specific non-essential
    // (cached) data should be written. This directory is defined by the environment
    // variable $XDG_CACHE_HOME.
    // $XDG_CACHE_HOME defines the base directory relative to which user specific
    // non-essential data files should be stored. If $XDG_CACHE_HOME is either not set
    // or empty, a default equal to $HOME/.cache should be used.
    xdg_cache_home := getenv('XDG_CACHE_HOME')
    if xdg_cache_home != '' {
        return xdg_cache_home
    }
    cdir := join_path_single(home_dir(), '.cache')
    if !is_dir(cdir) && !is_link(cdir) {
        mkdir(cdir) or { panic(err) }
    }
    return cdir
}

// temp_dir returns the path to a folder, that is suitable for storing temporary files.
pub fn temp_dir() string {
    mut path := getenv('TMPDIR')
    $if windows {
        if path == '' {
            // TODO see Qt's implementation?
            // https://doc.qt.io/qt-5/qdir.html#tempPath
            // https://github.com/qt/qtbase/blob/e164d61ca8263fc4b46fdd916e1ea77c7dd2b735/src/corelib/io/qfilesystemengine_win.cpp#L1275
            path = getenv('TEMP')
            if path == '' {
                path = getenv('TMP')
            }
            if path == '' {
                path = 'C:/tmp'
            }
        }
        path = get_long_path(path) or { path }
    }
    $if macos {
        // avoid /var/folders/6j/cmsk8gd90pd.... on macs
        return '/tmp'
    }
    $if android {
        // TODO test+use '/data/local/tmp' on Android before using cache_dir()
        if path == '' {
            path = cache_dir()
        }
    }
    $if termux {
        path = '/data/data/com.termux/files/usr/tmp'
    }
    if path == '' {
        path = '/tmp'
    }
    return path
}

// vtmp_dir returns the path to a folder, that is writable to V programs, *and* specific
// to the OS user. It can be overridden by setting the env variable `VTMP`.
pub fn vtmp_dir() string {
    mut vtmp := getenv('VTMP')
    if vtmp.len > 0 {
        return vtmp
    }
    uid := getuid()
    vtmp = join_path_single(temp_dir(), 'v_${uid}')
    if !exists(vtmp) || !is_dir(vtmp) {
        // create a new directory, that is private to the user:
        mkdir_all(vtmp, mode: 0o700) or { panic(err) }
    }
    setenv('VTMP', vtmp, true)
    return vtmp
}

fn default_vmodules_path() string {
    hdir := home_dir()
    res := join_path_single(hdir, '.vmodules')
    return res
}

// vmodules_dir returns the path to a folder, where v stores its global modules.
pub fn vmodules_dir() string {
    paths := vmodules_paths()
    if paths.len > 0 {
        return paths[0]
    }
    return default_vmodules_path()
}

// vmodules_paths returns a list of paths, where v looks up for modules.
// You can customize it through setting the environment variable VMODULES
// [manualfree]
pub fn vmodules_paths() []string {
    mut path := getenv('VMODULES')
    if path == '' {
        // unsafe { path.free() }
        path = default_vmodules_path()
    }
    defer {
        // unsafe { path.free() }
    }
    splitted := path.split(path_delimiter)
    defer {
        // unsafe { splitted.free() }
    }
    mut list := []string{cap: splitted.len}
    for i in 0 .. splitted.len {
        si := splitted[i]
        trimmed := si.trim_right(path_separator)
        list << trimmed
        // unsafe { trimmed.free() }
        // unsafe { si.free() }
    }
    return list
}

// resource_abs_path returns an absolute path, for the given `path`.
// (the path is expected to be relative to the executable program)
// See https://discordapp.com/channels/592103645835821068/592294828432424960/630806741373943808
// It gives a convenient way to access program resources like images, fonts, sounds and so on,
// *no matter* how the program was started, and what is the current working directory.
[manualfree]
pub fn resource_abs_path(path string) string {
    exe := executable()
    dexe := dir(exe)
    mut base_path := real_path(dexe)
    vresource := getenv('V_RESOURCE_PATH')
    if vresource.len != 0 {
        unsafe { base_path.free() }
        base_path = vresource
    }
    fp := join_path_single(base_path, path)
    res := real_path(fp)
    unsafe {
        fp.free()
        vresource.free()
        base_path.free()
        dexe.free()
        exe.free()
    }
    return res
}

pub struct Uname {
pub mut:
    sysname  string
    nodename string
    release  string
    version  string
    machine  string
}

pub fn execute_or_panic(cmd string) Result {
    res := execute(cmd)
    if res.exit_code != 0 {
        eprintln('failed    cmd: ${cmd}')
        eprintln('failed   code: ${res.exit_code}')
        panic(res.output)
    }
    return res
}

pub fn execute_or_exit(cmd string) Result {
    res := execute(cmd)
    if res.exit_code != 0 {
        eprintln('failed    cmd: ${cmd}')
        eprintln('failed   code: ${res.exit_code}')
        eprintln(res.output)
        exit(1)
    }
    return res
}

// quoted path - return a quoted version of the path, depending on the platform.
pub fn quoted_path(path string) string {
    $if windows {
        return if path.ends_with(path_separator) {
            '"${path + path_separator}"'
        } else {
            '"${path}"'
        }
    } $else {
        return "'${path}'"
    }
}

// config_dir returns the path to the user configuration directory (depending on the platform).
// On windows, that is `%AppData%`.
// On macos, that is `~/Library/Application Support`.
// On the rest, that is `$XDG_CONFIG_HOME`, or if that is not available, `~/.config`.
// If the path cannot be determined, it returns an error.
// (for example, when $HOME on linux, or %AppData% on windows is not defined)
pub fn config_dir() !string {
    $if windows {
        app_data := getenv('AppData')
        if app_data != '' {
            return app_data
        }
    } $else $if macos || darwin || ios {
        home := home_dir()
        if home != '' {
            return home + '/Library/Application Support'
        }
    } $else {
        xdg_home := getenv('XDG_CONFIG_HOME')
        if xdg_home != '' {
            return xdg_home
        }
        home := home_dir()
        if home != '' {
            return home + '/.config'
        }
    }
    return error('Cannot find config directory')
}