//! Random and miscellaneous utils used in ouch.
//!
//! In here we have the logic for custom formatting, some file and directory utils, and user
//! stdin interaction helpers.

pub mod colors;
mod file_visibility;
mod formatting;
mod fs;
pub mod io;
pub mod logger;
mod question;
pub mod landlock;

pub use self::{
    file_visibility::FileVisibilityPolicy,
    formatting::{
        nice_directory_display, os_str_to_str, path_to_str, pretty_format_list_of_paths, strip_cur_dir, Bytes,
        EscapedPathDisplay,
    },
    fs::{
        cd_into_same_dir_as, create_dir_if_non_existent, is_path_stdin, remove_file_or_dir,
        rename_for_available_filename, resolve_path_conflict, try_infer_extension,
    },
    question::{
        ask_to_create_file, user_wants_to_continue, user_wants_to_overwrite, FileConflitOperation, QuestionAction,
        QuestionPolicy,
    },
    utf8::{get_invalid_utf8_paths, is_invalid_utf8},
};

mod utf8 {
    use std::{ffi::OsStr, path::PathBuf};

    /// Check, without allocating, if os_str can be converted into &str
    pub fn is_invalid_utf8(os_str: impl AsRef<OsStr>) -> bool {
        os_str.as_ref().to_str().is_none()
    }

    /// Filter out list of paths that are not utf8 valid
    pub fn get_invalid_utf8_paths(paths: &[PathBuf]) -> Vec<&PathBuf> {
        paths.iter().filter(|path| is_invalid_utf8(path)).collect()
    }
}