use crate::{config::Config, template::Infos};
use actix_web::{dev::ConnectionInfo, get, routes, web, HttpRequest, HttpResponse, Responder};
use cached::proc_macro::once;
use ramhorns::Content;

#[routes]
#[get("/.well-known/security.txt")]
#[get("/security.txt")]
pub async fn security(req: HttpRequest, config: web::Data<Config>) -> impl Responder {
    HttpResponse::Ok().body(build_securitytxt(
        config.get_ref().clone(),
        req.connection_info().to_owned(),
    ))
}

#[derive(Content)]
struct SecurityTemplate {
    contact: String,
    pref_lang: String,
    url: String,
}

#[once(time = 60)]
fn build_securitytxt(config: Config, info: ConnectionInfo) -> String {
    config.tmpl.render(
        "security.txt",
        SecurityTemplate {
            contact: config.fc.mail.unwrap_or_default(),
            pref_lang: config.fc.lang.unwrap_or_default(),
            url: format!(
                "{}://{}/.well-known/security.txt",
                info.scheme(),
                info.host()
            ),
        },
        Infos::default(),
    )
}

#[get("/humans.txt")]
pub async fn humans() -> impl Responder {
    // TODO, see https://humanstxt.org/humans.txt
    actix_web::web::Redirect::to("/")
}

#[get("/robots.txt")]
pub async fn robots() -> impl Responder {
    HttpResponse::Ok().body(build_robotstxt())
}

#[once(time = 60)]
fn build_robotstxt() -> String {
    // TODO, see https://www.robotstxt.org/orig.html
    "User-agent: * Allow: /".to_owned()
}

#[get("/sitemap.xml")]
pub async fn sitemap() -> impl Responder {
    // TODO
    actix_web::web::Redirect::to("/")
}