/*
    This file is part of metamuffins website (https://codeberg.org/metamuffin/website)
    which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
    Copyright (C) 2023 metamuffin <metamuffin.org>
*/
use markup::Render;
use rocket::{
    http::ContentType,
    response::{self, Responder},
    Request, Response,
};
use std::io::Cursor;

markup::define! {
    Layout<Main: Render>(title: String, main: Main) {
        @markup::doctype()
        html {
            head {
                title { @title " - " "metamuffin's website" }
            }
            body {
                h1 { "metamuffin's personal website" }
                nav {

                }
                hr;
                @main
                hr;
                footer {
                    p { "metamuffin's website; " a[href="https://"] {} }
                }
            }
        }
    }
}

pub type DynLayoutPage<'a> = LayoutPage<markup::DynRender<'a>>;

pub struct LayoutPage<T> {
    pub title: String,
    pub content: T,
}

impl<'r, Main: Render> Responder<'r, 'static> for LayoutPage<Main> {
    fn respond_to(self, _req: &'r Request<'_>) -> response::Result<'static> {
        // TODO blocking the event loop here. it seems like there is no other way to
        // TODO offload this, since the guard references `req` which has a lifetime.
        // TODO therefore we just block. that is fine since the database is somewhat fast.
        let mut out = String::new();
        Layout {
            main: self.content,
            title: self.title,
        }
        .render(&mut out)
        .unwrap();

        Response::build()
            .header(ContentType::HTML)
            .streamed_body(Cursor::new(out))
            .ok()
    }
}