use config::{Config, ConfigError, Environment, File};
use serde::Deserialize;

#[derive(Debug, Deserialize)]
pub struct Settings {
	pub bind: String,
}

impl Settings {
	pub fn new() -> Result<Self, ConfigError> {
		let mut s = Config::new();

		// Set defaults
		s.set_default("bind", "0.0.0.0")?;
		s.set_default("port", 8080)?;

		// Try loading from file (config.json/toml/etc)
		s.merge(File::with_name("config").required(false))?;

		// Add in settings from the environment (with a prefix of SOOS)
		s.merge(Environment::with_prefix("soos"))?;

		// Deserialize and freeze conf
		s.try_into()
	}
}