config.rs

use std::env;

pub struct Config {
    pub host: String,
    pub port: u16,
    pub sentry_dsn: Option<String>,
}

impl Config {
    pub fn new() -> Self {
        let default = Config::default();
        // Parse the host from the environment, defaulting to localhost
        let host = env::var("HOST").unwrap_or(default.host);

        // Parse the port from the environment, defaulting to 8080
        let port = env::var("PORT")
            .unwrap_or_else(|_| default.port.to_string())
            .parse::<u16>()
            .expect("PORT must be a valid u16 integer");

        // Parse the sentry dsn from the environment, defaulting to None
        let sentry_dsn = env::var("SENTRY_DSN").ok();

        Config {
            host,
            port,
            sentry_dsn,
        }
    }
}

impl Default for Config {
    fn default() -> Self {
        Config {
            host: "127.0.0.1".to_string(),
            port: 8080,
            sentry_dsn: None,
        }
    }
}