okey-cli 0.1.2

An advanced, easy-to-use key remapper for Linux
Documentation 
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use std::{env, fs, io, path::Path};

use anyhow::{Result, anyhow};
use nix::unistd;

use crate::config::schema::Config;

pub fn get_config_dir_path() -> Result<String> {
    if unistd::geteuid().is_root() {
        Ok("/etc/okey".to_string())
    } else {
        let home_path = env::var("HOME")?;
        let default_path = Path::new(&home_path).join(".config/okey");
        let default_path_str = default_path.to_string_lossy().to_string();

        Ok(default_path_str)
    }
}

pub fn get_default_config_path() -> Result<String> {
    let config_dir_path = get_config_dir_path()?;
    let default_path = Path::new(&config_dir_path).join("config.yaml");
    let default_path_str = default_path.to_string_lossy().to_string();

    Ok(default_path_str)
}

pub fn read_config(path: Option<String>) -> Result<Config> {
    let config_path = path
        .unwrap_or_else(|| get_default_config_path().expect("Failed to get default config path"));

    let parsed = fs::read_to_string(&config_path)
        .map_err(|err| match err.kind() {
            io::ErrorKind::NotFound => anyhow!("Configuration file not found at {config_path}"),
            _ => err.into(),
        })
        .and_then(|config| Ok(serde_yaml::from_str(&config)?))?;

    Ok(parsed)
}