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    /*
    * Copyright (C) 2021  Aravinth Manivannan <realaravinth@batsense.net>
    *
    * This program is free software: you can redistribute it and/or modify
    * it under the terms of the GNU Affero General Public License as
    * published by the Free Software Foundation, either version 3 of the
    * License, or (at your option) any later version.
    *
    * This program is distributed in the hope that it will be useful,
    * but WITHOUT ANY WARRANTY; without even the implied warranty of
    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    * GNU Affero General Public License for more details.
    *
    * You should have received a copy of the GNU Affero General Public License
    * along with this program.  If not, see <https://www.gnu.org/licenses/>.
    */
    use std::borrow::Cow;

    use actix_web::body::Body;
    use actix_web::{get, http::header, web, HttpResponse, Responder};
    use cache_buster::Files;
    use mime_guess::from_path;
    use rust_embed::RustEmbed;

    use crate::CACHE_AGE;

    #[derive(RustEmbed)]
    #[folder = "static/"]
    struct Asset;

    pub fn handle_embedded_file(path: &str) -> HttpResponse {
        match Asset::get(path) {
            Some(content) => {
                let body: Body = match content {
                    Cow::Borrowed(bytes) => bytes.into(),
                    Cow::Owned(bytes) => bytes.into(),
                };

                HttpResponse::Ok()
                    .set(header::CacheControl(vec![header::CacheDirective::MaxAge(
                        CACHE_AGE,
                    )]))
                    .content_type(from_path(path).first_or_octet_stream().as_ref())
                    .body(body)
            }
            None => HttpResponse::NotFound().body("404 Not Found"),
        }
    }

    #[get("/static/{_:.*}")]
    async fn dist(path: web::Path<String>) -> impl Responder {
        handle_embedded_file(&path.0)
    }

    pub fn services(cfg: &mut web::ServiceConfig) {
        cfg.service(dist);
    }

    pub struct FileMap {
        files: Files,
    }

    impl FileMap {
        pub fn new() -> Self {
            let map = include_str!("cache_buster_data.json");
            let files = Files::new(&map);
            Self { files }
        }
        pub fn get<'a>(&'a self, path: &'a str) -> Option<&'a str> {
            // let file_path = self.files.get(path);
            let file_path = self.files.get_full_path(path);

            if file_path.is_some() {
                let file_path = &file_path.unwrap()[1..];
                return Some(file_path);
            } else {
                return None;
            }
        }
    }

    #[cfg(test)]
    mod tests {
        use actix_web::http::StatusCode;
        use actix_web::test;

        use super::*;
        use crate::*;

        #[actix_rt::test]
        async fn static_assets_work() {
            let mut app = test::init_service(App::new().configure(services)).await;

            let resp = test::call_service(
                &mut app,
                test::TestRequest::get().uri(&*crate::JS).to_request(),
            )
            .await;
            assert_eq!(resp.status(), StatusCode::OK);
        }

        #[test]
        fn filemap_works() {
            let files = super::FileMap::new();
            let css = files.get("./static-assets/bundle/bundle.css").unwrap();
            println!("{}", css);
            assert!(css.contains("/static/bundle/bundle"));
        }
    }