use std::env;

#[derive(Debug, Clone)]
pub struct Config {
    pub database_url: String,
    pub tap_ws_url: String,
    pub host: String,
    pub port: u16,
}

impl Config {
    pub fn from_env() -> Self {
        let port = match env::var("PORT") {
            Ok(p) => match p.parse::<u16>() {
                Ok(port) => port,
                Err(_) => {
                    tracing::warn!(value = %p, "Invalid PORT value, using default 3000");
                    3000
                }
            },
            Err(_) => 3000,
        };

        Self {
            database_url: env::var("DATABASE_URL")
                .unwrap_or_else(|_| "postgres://postgres:postgres@localhost:5432/prism".to_string()),
            tap_ws_url: env::var("TAP_WS_URL")
                .unwrap_or_else(|_| "ws://localhost:2480/channel".to_string()),
            host: env::var("HOST").unwrap_or_else(|_| "0.0.0.0".to_string()),
            port,
        }
    }
}