//mod download;
mod file;
mod upload;
mod zip;

use std::{collections::HashMap, task::Waker, sync::{mpsc::Sender, RwLock}, path::PathBuf};

use actix::Addr;
use actix_web::{
    get, middleware::Logger, web, App, HttpResponse, HttpServer,
    Responder, HttpRequest,
};
use actix_web_actors::ws;
use time::OffsetDateTime;

const APP_NAME: &'static str = "transbeam";

pub struct UploadedFile {
    name: String,
    size: usize,
    modtime: OffsetDateTime,
}

impl UploadedFile {
    fn new(name: &str, size: usize, modtime: OffsetDateTime) -> Self {
        Self {
            name: sanitise_file_name::sanitise(name),
            size,
            modtime,
        }
    }
}


pub struct DownloadableFile {
    name: String,
    size: usize,
    modtime: OffsetDateTime,
    uploader: Option<Addr<upload::Uploader>>,
}

type AppData = web::Data<RwLock<HashMap<String, DownloadableFile>>>;

fn storage_dir() -> PathBuf {
    PathBuf::from(std::env::var("STORAGE_DIR").unwrap_or_else(|_| String::from("storage")))
}

#[get("/upload")]
async fn upload_socket(
    req: HttpRequest,
    stream: web::Payload,
    data: AppData,
) -> impl Responder {
    ws::start(
        upload::Uploader::new(data),
        &req,
        stream
    )
}

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    env_logger::init();

    let data: AppData = web::Data::new(RwLock::new(HashMap::new()));

    let static_dir = PathBuf::from(std::env::var("STATIC_DIR").unwrap_or_else(|_| String::from("static")));
    let port = std::env::var("PORT").ok().and_then(|p| p.parse::<u16>().ok()).unwrap_or(8080);

    HttpServer::new(move || {
        App::new()
            .app_data(data.clone())
            .wrap(Logger::default())
            .service(upload_socket)
            .service(actix_files::Files::new("/", static_dir.clone()).index_file("index.html"))
    })
    .bind(("127.0.0.1", port))?
    .run()
    .await?;
    Ok(())
}