use std::net::SocketAddr;

use super::methods::Method;

pub trait ResponseBody {
    fn get_data(&self) -> Vec<u8>;
}

pub struct RoutInfo {
    name: Option<&'static str>,
    method: Method,
    path: &'static str,
    handler: fn(Request, Data) -> Outcome<Response, Status, Data>,
    format: Option<MediaType>,
    rank: Option<isize>,
}

pub struct Route<'a> {
    name: Option<&'static str>,
    method: Method,
    uri: Uri<'a>,
    handler: fn(Request, Data) -> Outcome<Response, Status, Data>,
    rank: isize,
    format: Option<MediaType>,
}

impl Route<'_> {
    pub fn from(routeinfo: RoutInfo) -> Self {
        let rank = routeinfo.rank.unwrap_or(0);
        Route {
            name: routeinfo.name,
            method: routeinfo.method,
            uri: routeinfo.path,
            handler: routeinfo.handler,
            rank,
            format: routeinfo.format,
        }
    }
}

pub struct Request<'a> {
    pub uri: Uri<'a>,
    pub headers: HeaderMap,
    pub method: Method,
    // pub connection: ConnectionMeta,
}

struct ConnectionMeta {
    remote: Option<SocketAddr>,
    // certificates
}

type HeaderMap = Vec<String>;
type Uri<'a> = &'a str;

pub enum Outcome<S, E, F> {
    Success(S),
    Failure(E),
    Forward(F),
}

enum MediaType {
    Json,
    Plain,
    Html,
}

#[derive(Debug)]
pub struct Status {
    pub code: u16,
}

pub struct Body {
    pub size: Option<usize>,
    pub body: Vec<u8>,
}

impl ResponseBody for Body {
    fn get_data(&self) -> Vec<u8> {
        self.body.clone()
    }
}

pub struct Response {
    pub headers: HeaderMap,
    pub status: Option<Status>,
    pub body: Box<dyn ResponseBody>,
}

pub struct Data {
    pub buffer: Vec<u8>,
    pub is_complete: bool,
}