use crate::locales::init_locales;
use crate::pages::home_page::HomePage;
use crate::pages::settings::Settings;
use leptos::prelude::*;
use leptos_meta::*;
use leptos_router::components::{Route, Router, Routes};
use leptos_router::hooks::use_location;
use leptos_router::path;
use crate::components::admin_portal::AdminPortal;
use crate::components::header::Header;
use crate::components::user_menu::MenuOpener;
use crate::pages::all_reservations::Bookings;
use crate::pages::appearance_settings::Appearance;
use crate::pages::customers::Customers;
use crate::pages::login::Login;
use crate::pages::mail_settings::MailSettings;
use crate::pages::public::Public;

#[derive(Clone, Copy, Debug)]
pub struct MenuHelper {
    opened: RwSignal<Option<MenuOpener>>
}

impl MenuHelper {
    pub fn new() -> Self {
        let opened = RwSignal::new(None);
        Self {
            opened
        }
    }

    pub fn set_opened(&self, opened: MenuOpener) {
        self.opened.set(Some(opened));
    }

    pub fn close(&self) {
        if let Some(opened) = self.opened.get_untracked() {
            opened.close();
        }
    }

    pub fn reset(&self) {
        self.opened.set(None);
    }
}

#[derive(Clone, Copy)]
pub struct DialogHelper {
    opened: RwSignal<bool>
}

impl DialogHelper {
    pub fn new() -> Self {
        let opened = RwSignal::new(false);
        Self {
            opened
        }
    }

    pub fn set_opened(&self, opened: bool) {
        self.opened.set(opened);
    }

    pub fn is_open(&self) -> bool {
        self.opened.get()
    }
}

#[component]
fn app_footer() -> impl IntoView {
    let loc = use_location();

    view! {
        <footer class="content-footer footer bg-footer-theme" style={move || if loc.pathname.get().starts_with("/admin") {"display: none;"} else {"display: block;"}}>
            <div class="mb-2 mb-md-0" style="text-align: center">
                <a href="https://rezervovator.cz" target="_blank"><img src="/rezervovator_l.svg" width="110"/></a> {format!(" v {}", env!("CARGO_PKG_VERSION"))}
            </div>
        </footer>
    }
}

#[component]
pub fn App() -> impl IntoView {
    // Provides context that manages stylesheets, titles, meta tags, etc.
    provide_meta_context();
    init_locales();
    provide_context(MenuHelper::new());     // Only one menu can be opened
    provide_context(MenuOpener::new());     // Drawer opener
    provide_context(DialogHelper::new());   // Gray dialog background

    view! {
        <Header/>

        <Router>
            <main>
                <Routes fallback=|| "Page not found.">
                    <Route path=path!("") view=|| view! { <Public/> }/>
                    <Route path=path!("login") view=|| view! { <Login/> }/>
                    <Route path=path!("admin") view=|| view! {
                            <AdminPortal>
                                <HomePage/>
                            </AdminPortal>
                    }/>
                    <Route path=path!("admin/settings") view=|| view! {
                            <AdminPortal>
                                <Settings/>
                            </AdminPortal>
                    }/>
                    <Route path=path!("admin/mail_settings") view=|| view! {
                            <AdminPortal>
                                <MailSettings/>
                            </AdminPortal>
                    }/>
                    <Route path=path!("admin/bookings") view=|| view! {
                            <AdminPortal>
                                <Bookings/>
                            </AdminPortal>
                    }/>
                    <Route path=path!("admin/customers") view=|| view! {
                            <AdminPortal>
                                <Customers/>
                            </AdminPortal>
                    }/>
                    <Route path=path!("admin/appearance") view=|| view! {
                            <AdminPortal>
                                <Appearance/>
                            </AdminPortal>
                    }/>
                </Routes>
            </main>
            <AppFooter/>
        </Router>
    }
}