use actix_web::{get, web, Responder};
use cached::proc_macro::once;
use ramhorns::Content;

use crate::{
    config::Config,
    misc::{
        markdown::{read_file, File, TypeFileMetadata},
        utils::{make_kw, Html},
    },
    template::{Infos, NavBar},
};

#[get("/")]
async fn page(config: web::Data<Config>) -> impl Responder {
    Html(build_page(config.get_ref().to_owned()))
}

#[derive(Content, Debug)]
struct IndexTemplate {
    navbar: NavBar,
    fullname: String,
    content: Option<File>,
}

#[once(time = 60)]
fn build_page(config: Config) -> String {
    let mut content = read_file(
        &format!("{}/index.md", config.locations.data_dir),
        TypeFileMetadata::Generic,
    );

    if content.is_none() {
        content = read_file("README.md", TypeFileMetadata::Generic);
    }

    config.tmpl.render(
        "index.html",
        IndexTemplate {
            navbar: NavBar {
                index: true,
                ..NavBar::default()
            },
            fullname: config
                .fc
                .fullname
                .to_owned()
                .unwrap_or("Fullname".to_owned()),
            content,
        },
        Infos {
            page_title: config.fc.fullname,
            page_desc: Some("Page principale".into()),
            page_kw: make_kw(&["index", "étudiant", "accueil"]),
        },
    )
}