use std::fs::read_to_string;

use grass::StdFs;
use log::error;

#[cfg(debug_assertions)]
#[macro_export]
macro_rules! s_file {
    ($path: literal, $content_type: literal) => {
        warp::fs::file(concat!("../", $path))
    };
}

#[cfg(debug_assertions)]
#[macro_export]
macro_rules! s_asset_dir {
    () => {
        warp::fs::dir("../client-web/public/assets")
    };
}

#[cfg(not(debug_assertions))]
#[macro_export]
macro_rules! s_file {
    ($path: literal, $content_type: literal) => {
        warp::any().map(|| {
            warp::reply::with_header(
                include_str!(concat!("../../", $path)),
                "content-type",
                $content_type,
            )
        })
    };
}

#[cfg(not(debug_assertions))]
#[macro_export]
macro_rules! s_asset_dir {
    () => {{
        use include_dir::{include_dir, Dir};
        const DIR: Dir = include_dir!("$CARGO_MANIFEST_DIR/../client-web/public/assets");
        warp::path::tail().and_then(|t: warp::path::Tail| async move {
            let path = t.as_str();
            let content_type = match &path {
                _ if path.ends_with(".wasm") => "application/wasm",
                _ if path.ends_with(".js") => "application/javascript",
                _ if path.ends_with(".css") => "text/css",
                _ if path.ends_with(".svg") => "image/svg+xml",
                _ => "application/octet-stream",
            };
            DIR.get_file(path)
                .map(|f| warp::reply::with_header(f.contents(), "content-type", content_type))
                .ok_or(warp::reject::not_found())
        })
    }};
}

pub fn css_bundle() -> String {
    grass::from_string(
        read_to_string("../client-web/style/master.sass").unwrap(),
        &grass::Options::default()
            .input_syntax(grass::InputSyntax::Sass)
            .load_path("../client-web/style")
            .fs(&StdFs),
    )
    .unwrap_or_else(|err| {
        error!("sass compile failed: {err}");
        String::from("/* sass compile failed */")
    })
}