use rocket::{fs::NamedFile, get};
use std::io::Write;

async fn download_file(url: &str, file: &str) {
    let content = reqwest::get(url).await.expect("couldn't download file");
    std::fs::File::create(file)
        .expect("could not create file")
        .write_all(&content.bytes().await.expect("could not get bytes"))
        .expect("could not write file");
}

#[get("/bootstrap.min.css")]
pub async fn bootstrap_css() -> Option<NamedFile> {
    NamedFile::open("./cache/bootstrap.min.css").await.ok()
}

#[get("/bootstrap-icons.css")]
pub async fn bootstrap_icons() -> Option<NamedFile> {
    NamedFile::open("./cache/bootstrap-icons.css").await.ok()
}

#[get("/bootstrap.bundle.min.js")]
pub async fn bootstrap_js() -> Option<NamedFile> {
    NamedFile::open("./cache/bootstrap.bundle.min.js")
        .await
        .ok()
}

#[get("/fonts/bootstrap-icons.woff2")]
pub async fn bootstrap_font1() -> Option<NamedFile> {
    NamedFile::open("./cache/fonts/bootstrap-icons.woff2")
        .await
        .ok()
}

#[get("/fonts/bootstrap-icons.woff")]
pub async fn bootstrap_font2() -> Option<NamedFile> {
    NamedFile::open("./cache/fonts/bootstrap-icons.woff")
        .await
        .ok()
}

/// Cache Bootstrap files locally
pub async fn cache_bootstrap() {
    std::fs::create_dir_all("./cache/fonts").expect("couldn't create cache dir");
    download_file(
        "https://cdn.jsdelivr.net/npm/bootstrap@5.2.0-beta1/dist/css/bootstrap.min.css",
        "./cache/bootstrap.min.css",
    )
    .await;
    download_file(
        "https://cdn.jsdelivr.net/npm/bootstrap-icons@1.9.1/font/bootstrap-icons.css",
        "./cache/bootstrap-icons.css",
    )
    .await;
    download_file(
        "https://cdn.jsdelivr.net/npm/bootstrap@5.2.0-beta1/dist/js/bootstrap.bundle.min.js",
        "./cache/bootstrap.bundle.min.js",
    )
    .await;
    download_file("https://cdn.jsdelivr.net/npm/bootstrap-icons@1.9.1/font/fonts/bootstrap-icons.woff2?8d200481aa7f02a2d63a331fc782cfaf", "./cache/fonts/bootstrap-icons.woff2").await;
    download_file("https://cdn.jsdelivr.net/npm/bootstrap-icons@1.9.1/font/fonts/bootstrap-icons.woff?8d200481aa7f02a2d63a331fc782cfaf", "./cache/fonts/bootstrap-icons.woff").await;
}