use crate::error::ServiceError;
use crate::State;
use bytes::Bytes;
use futures::Future;
use http_body_util::combinators::BoxBody;
use hyper::{body::Incoming, Request, Response};
use serde_yaml::Value;
use std::{net::SocketAddr, pin::Pin, sync::Arc};

pub mod accesslog;
pub mod auth;
pub mod cgi;
pub mod debug;
pub mod error;
pub mod file;
pub mod files;
pub mod headers;
pub mod hosts;
pub mod paths;
pub mod proxy;
pub mod redirect;
pub mod switch;

pub type NodeRequest = Request<Incoming>;
pub type NodeResponse = Response<BoxBody<Bytes, ServiceError>>;

pub static MODULES: &[&dyn NodeKind] = &[
    &auth::basic::HttpBasicAuthKind,
    &auth::cookie::CookieAuthKind,
    &proxy::ProxyKind,
    &hosts::HostsKind,
    &paths::PathsKind,
    &files::FilesKind,
    &file::FileKind,
    &accesslog::AccessLogKind,
    &error::ErrorKind,
    &headers::HeadersKind,
    &switch::SwitchKind,
    &redirect::RedirectKind,
    &cgi::CgiKind,
    &debug::DebugKind,
];

pub struct NodeContext {
    pub state: Arc<State>,
    pub addr: SocketAddr,
}

pub trait NodeKind: Send + Sync + 'static {
    fn name(&self) -> &'static str;
    fn instanciate(&self, config: Value) -> anyhow::Result<Arc<dyn Node>>;
}
pub trait Node: Send + Sync + 'static {
    fn handle<'a>(
        &'a self,
        context: &'a mut NodeContext,
        request: NodeRequest,
    ) -> Pin<Box<dyn Future<Output = Result<NodeResponse, ServiceError>> + Send + Sync + 'a>>;
}