rslocal 0.1.0

A tunnel to localhost built in Rust
Documentation 
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use std::fs;
use std::path::PathBuf;
use config::Config;
use inquire::Text;
use inquire::validator::StringValidator;

const DEFAULT_CLOUD_ENDPOINT: &str = "https://localtest.rs/entrypoint";

fn default() -> anyhow::Result<PathBuf> {
    let xdg_dirs = xdg::BaseDirectories::with_prefix("rslocal").unwrap();
    let cfg_path = xdg_dirs.place_config_file("config.ini")
        .expect("cannot create configuration directory");
    Ok(cfg_path)
}

pub fn load(name: &str) -> anyhow::Result<Config> {
    let path = default()?;
    let cfg = Config::builder()
        .add_source(config::File::with_name(path.to_str().unwrap()))
        .add_source(config::File::with_name(name).required(false))
        .build()?;
    Ok(cfg)
}

pub fn setup() -> anyhow::Result<()> {
    let required: StringValidator = &|input| { if input.is_empty() { Err(String::from("value required!")) } else { Ok(()) } };
    let ep = Text::new("server endpoint?").with_validator(required).prompt()?;
    let token = Text::new("authorization token?").with_validator(required).prompt()?;
    let cfg_content = format!("endpoint={}\ntoken={}", ep, token);

    let cfg_path = default()?;
    fs::write(&cfg_path, cfg_content)?;
    println!("config saved at {:?}", cfg_path);
    Ok(())
}