/**
 * The main server entrypoint for Contaminate
 */

extern crate config;
extern crate pretty_env_logger;

use async_std::task;
use log::*;

/**
 * Load the settings based on the hierarchy.
 *
 * First we load the configuration file (contaminate.yml) if it exists
 * Then we look at environment variables.
 */
fn load_settings() -> config::Config {
    let mut settings = config::Config::default();
    settings.set_default("registry", "https://registry-1.docker.io")
        .expect("Could not set the default for `registry`");
    settings.set_default("layers_dir", "./layers.d")
        .expect("Could not set the default for `layers_dir`");

    settings
        .merge(config::File::with_name("contaminate").required(false))
        .expect("Failed to load settings in contaminate.ymll")
        .merge(config::Environment::with_prefix("CT"))
        .expect("Failed to load settings defined by CT_* env vars");

    return settings;
}

fn main() -> Result<(), std::io::Error> {
    pretty_env_logger::init();

    task::block_on(async {
        let mut app = tide::new();
        app.at("/").get(|_| async move { "Hello, world!" });
        app.listen("127.0.0.1:9000").await?;
        Ok(())
    })
}

#[cfg(test)]
mod tests {
}