use super::handler;
use crate::utils::filter::with_context;
use crate::utils::structs::Context;
use warp::{Filter, Rejection, Reply};

pub fn routes(context: Context) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
    let cors = warp::cors().allow_any_origin();

    static_files().or(index(context)).with(cors)
}

fn index(context: Context) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
    let client_ip = warp::addr::remote();

    let real_client_ip = warp::header::optional::<std::net::SocketAddr>("X-Real-IP")
        .or(warp::header::optional::<std::net::SocketAddr>(
            "X-Forwarded-For",
        ))
        .unify()
        .map(|ip: Option<std::net::SocketAddr>| {
            // Get the IP from either header,
            // and unify into the inner type.
            ip
        });

    warp::path::end()
        .and(warp::ws())
        .and(with_context(context))
        .and(client_ip)
        .and(real_client_ip)
        .and_then(handler::ws_handler)
}

fn static_files() -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
    let mut exe_dir = std::env::current_exe().unwrap();
    exe_dir.pop();

    let mut www = exe_dir.clone();
    www.pop();
    www.push(std::path::Path::new("www/static"));

    warp::get().and(warp::fs::dir(www))
}