unobtanium 3.0.0

use url::Url;
use serde::{Serialize,Deserialize};

use std::fmt;
use std::fmt::Display;

/// An URL origin struct for unobtanium.
/// 
/// The [Origin of the url library][url::Origin] isn't exactly great
/// for matching and databases.
/// This is a more flexible equivalent that works better
/// with databses and Hashtables.
#[derive(Debug, Hash, Clone, Eq, PartialEq, Serialize, Deserialize)]
pub struct Origin {
	pub scheme: String,
	pub host: Option<String>,
	pub port: Option<u16>,
}

impl Origin {
	pub fn from_url(url: &Url) -> Option<Self> {
		Some(Self {
			scheme: url.scheme().to_string(),
			host: url.host_str().map(|s| s.to_string()),
			port: url.port_or_known_default(),
		})
	}

	pub fn to_url(&self) -> Result<Url, ()> {
		let mut url = Url::parse("https://unknown").unwrap();
		url.set_scheme(&self.scheme)?;
		if let Some(host) = &self.host {
			url.set_host(Some(host.as_str())).map_err(|_| ())?;
		}
		if self.port.is_some() {
			url.set_port(self.port)?;
		}
		Ok(url)
	}
}

impl Display for Origin {
	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, "{}:", self.scheme)?;
        if let Some(host) = &self.host {
	        write!(f, "//{host}")?;
        }
        if let Some(port) = self.port {
	        write!(f, ":{port}")?;
        }
        Ok(())
    }
}