/*
    This file is part of jellything (https://codeberg.org/metamuffin/jellything)
    which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
    Copyright (C) 2025 metamuffin <metamuffin.org>
*/

use crate::locale::{Language, escape, tr, trs};
use markup::{DynRender, Render, raw};
use std::sync::LazyLock;

static LOGO_ENABLED: LazyLock<bool> = LazyLock::new(|| CONF.asset_path.join("logo.svg").exists());

markup::define! {
    Scaffold<'a, Main: Render>(title: String, main: Main, class: &'a str, session: Option<Session>, lang: Language) {
        @markup::doctype()
        html {
            head {
                title { @title " - " @CONF.brand }
                meta[name="viewport", content="width=device-width, initial-scale=1.0"];
                link[rel="stylesheet", href="/assets/style.css"];
                script[src="/assets/bundle.js"] {}
            }
            body[class=class] {
                nav {
                    h1 { a[href=if session.is_some() {"/home"} else {"/"}] { @if *LOGO_ENABLED { img.logo[src="/assets/logo.svg"]; } else { @CONF.brand } } } " "
                    @if let Some(_) = session {
                        a.library[href=uri!(r_library_node("library"))] { @trs(lang, "nav.root") } " "
                        a.library[href=uri!(r_all_items())] { @trs(lang, "nav.all") } " "
                        a.library[href=uri!(r_search(None::<&'static str>, None::<usize>))] { @trs(lang, "nav.search") } " "
                        a.library[href=uri!(r_stats())] { @trs(lang, "nav.stats") } " "
                    }
                    @if is_importing() { span.warn { "Library database is updating..." } }
                    div.account {
                        @if let Some(session) = session {
                            span { @raw(tr(*lang, "nav.username").replace("{name}", &format!("<b class=\"username\">{}</b>", escape(&session.user.display_name)))) } " "
                            @if session.user.admin {
                                a.admin.hybrid_button[href=uri!(r_admin_dashboard())] { p {@trs(lang, "nav.admin")} } " "
                            }
                            a.settings.hybrid_button[href=uri!(r_account_settings())] { p {@trs(lang, "nav.settings")} } " "
                            a.logout.hybrid_button[href=uri!(r_account_logout())] { p {@trs(lang, "nav.logout")} }
                        } else {
                            a.register.hybrid_button[href=uri!(r_account_register())] { p {@trs(lang, "nav.register")} } " "
                            a.login.hybrid_button[href=uri!(r_account_login())] { p {@trs(lang, "nav.login")} }
                        }
                    }
                }
                #main { @main }
                footer {
                    p { @CONF.brand " - " @CONF.slogan " | powered by " a[href="https://codeberg.org/metamuffin/jellything"]{"Jellything"} }
                }
            }
        }
    }

    FlashDisplay(flash: Option<Result<String, String>>) {
        @if let Some(flash) = &flash {
            @match flash {
                Ok(mesg) => { section.message { p.success { @mesg } } }
                Err(err) => { section.message { p.error { @err } } }
            }
        }
    }
}

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

pub struct LayoutPage<T> {
    pub title: String,
    pub class: Option<&'static str>,
    pub content: T,
}

impl Default for LayoutPage<DynRender<'_>> {
    fn default() -> Self {
        Self {
            class: None,
            content: markup::new!(),
            title: String::new(),
        }
    }
}