//! # Rust Letter Frontend
//!
//! Rendering functions for the site using [Dioxus](https://dioxuslabs.com/).

#![allow(non_snake_case)]

mod components;
pub mod utils;

/// A module that handles the functions needed
/// to render the site.
pub mod void_app {

    // import the prelude to get access to the `rsx!` macro and the `Scope` and `Element` types
    pub use dioxus::prelude::*;

    use crate::components::void_buttons::*;
    use crate::components::void_content::*;
    use crate::components::void_footer::*;
    use crate::components::void_page::PageBase;
    use crate::components::void_poem::*;
    use crate::components::void_title::*;
    use crate::utils::helpers;
    use crate::utils::prop_structs::*;
    use crate::utils::user_prefs::*;

    #[cfg(any(target_family = "wasm"))]
    use dioxus_helmet::Helmet;
    #[cfg(any(target_family = "wasm"))]
    use dioxus_router::{Link, Redirect, Route, Router};
    #[cfg(any(target_family = "wasm"))]
    use dioxus_use_storage::use_local_storage;

    #[cfg(target_family = "wasm")]
    pub fn DioxusApp(cx: Scope) -> Element {
        // use dioxus_router::Redirect;

        let user_prefs = UserPrefs::new(ThemePref::Auto, FontPref::OpenDyslexic);

        cx.render(rsx! {
            div { class: "bg-alice-werefox-grey-lightest ring-alice-werefox-red-dark text-alice-werefox-grey-dark dark:bg-alice-werefox-grey-dark dark:ring-alice-werefox-red dark:text-alice-werefox-grey-light let button_classes hover:text-alice-werefox-blue-dark hover:ring-alice-werefox-blue dark:hover:text-alice-werefox-blue-light dark:hover:ring-alice-werefox-blue hover:animate-yip transition" }
            Router {
                Route { to: "/",
                    self::HomePage { user_prefs }
                }
                Route { to: "/poems", PoemListPage { user_prefs } }
                Route { to: "/poems/:slug", PoemPage { slug: "".to_string(), user_prefs } }
                Route { to: "/settings", SettingsPage { user_prefs } }
                Route { to: "/settings/dark", SettingsPage { user_prefs } }
                Route { to: "/settings/font", SettingsPage { user_prefs } }
                Route { to: "", PageNotFound {} }
            }
        })
    }

    #[cfg(target_family = "wasm")]
    fn PageNotFound(cx: Scope) -> Element {
        cx.render(rsx! {
            p { "That page doesn't exist, sorry!" }
            Redirect { to: "/" }
        })
    }

    /// Renders the app and returns the rendered Element.
    pub fn HomePage(cx: Scope<VoidProps>) -> Element {
        let poem_database = &cx.props.poem_database;
        let user_prefs = cx.props.user_prefs.clone();
        let (user_theme, user_font) = user_prefs.get_pref_classes(ThemedComponent::Page);
        let page_title = "A Letter to the Void".to_string();
        cx.render(rsx!{
            div { class: "{user_theme} {user_font}",
                PageBase {
                    Title { title: page_title, is_html: false, user_prefs: user_prefs.clone() }
                    RenderContent { content: helpers::get_homepage_paragraph(), user_prefs: user_prefs.clone() }
                    ButtonGroup {
                        NavigationButton { title: "See Latest Entry".to_string(), slug: poem_database.get_latest_entry("".to_string()), user_prefs: user_prefs.clone() }
                        NavigationButton { title: "See Oldest Entry".to_string(), slug: poem_database.get_oldest_entry("".to_string()), user_prefs: user_prefs.clone() }
                        NavigationButton { title: "See A Random Entry".to_string(), slug: poem_database.get_random_entry(), user_prefs: user_prefs.clone() }
                        NavigationButton { title: "See All Entries".to_string(), slug: "/poems".to_string(), user_prefs: user_prefs.clone() }
                    }
                    Footer { theme: user_prefs.clone().get_theme(), font: user_prefs.get_font() }
                }
            }
        })
    }

    /// Renders the app and returns the rendered Element.
    pub fn PoemListPage(cx: Scope<VoidProps>) -> Element {
        let poem_database = &cx.props.poem_database;
        let user_prefs = cx.props.user_prefs.clone();
        let (user_theme, user_font) = user_prefs.get_pref_classes(ThemedComponent::Page);
        cx.render(rsx! {
            div { class: "{user_theme} {user_font}",
                PageBase {
                    Title { title: "A Letter to the Void".to_string(), is_html: false, user_prefs: user_prefs.clone() }
                    BackToHomePage { theme: user_prefs.clone().get_theme(), font: user_prefs.clone().get_font() }
                    PoemList { poem_database: poem_database.clone(), user_prefs: user_prefs.clone() }
                    BackToHomePage { theme: user_prefs.clone().get_theme(), font: user_prefs.clone().get_font() }
                    Footer { theme: user_prefs.clone().get_theme(), font: user_prefs.get_font() }
                }
            }
        })
    }

    pub fn PoemPage(cx: Scope<VoidProps>) -> Element {
        let poem_database = &cx.props.poem_database;
        let user_prefs = cx.props.user_prefs.clone();
        let (user_theme, user_font) = user_prefs.get_pref_classes(ThemedComponent::Page);
        #[cfg(any(target_family = "unix", target_family = "windows"))]
        let slug = &cx.props.slug.as_ref().expect("A slug was given in the pops.").clone();
        #[cfg(target_family = "wasm")]
        let slug = String::from(
            dioxus_router::use_route(cx)
                .segment("slug")
                .expect("No slug specified."),
        );
        cx.render(rsx!{
            div { class: "{user_theme} {user_font}",
                PageBase {
                    BackToHomePage { theme: user_prefs.clone().get_theme(), font: user_prefs.clone().get_font() }
                    GetPoem { slug: slug.clone(), poem_database: poem_database.clone(), user_prefs: user_prefs.clone() }
                    ButtonGroup {
                        NavigationButton { title: "Oldest".to_string(), slug: poem_database.get_oldest_entry(slug.clone()), user_prefs: user_prefs.clone() }
                        NavigationButton { title: "Previous".to_string(), slug: poem_database.get_previous_entry(slug.clone()), user_prefs: user_prefs.clone() }
                        NavigationButton { title: "Random".to_string(), slug: poem_database.get_random_entry(), user_prefs: user_prefs.clone() }
                        NavigationButton { title: "Next".to_string(), slug: poem_database.get_next_entry(slug.clone()), user_prefs: user_prefs.clone() }
                        NavigationButton { title: "Latest".to_string(), slug: poem_database.get_latest_entry(slug.clone()), user_prefs: user_prefs.clone() }
                    }
                    BackToHomePage { theme: user_prefs.clone().get_theme(), font: user_prefs.clone().get_font() }
                    Footer { theme: user_prefs.clone().get_theme(), font: user_prefs.get_font() }
                }
            }
        })
    }

    pub fn SettingsPage(cx: Scope<UserPrefs>) -> Element {
        let user_prefs = cx.props.clone();
        let (user_theme, user_font) = user_prefs.get_pref_classes(ThemedComponent::Page);
        // Get rid of this and create a general card component with children.
        let (user_theme_card, user_font_card) = user_prefs.get_pref_classes(ThemedComponent::Card);
        cx.render(rsx! {
            div { class: "{user_theme} {user_font}",
                PageBase {
                    Title { title: "Settings".to_string(), is_html: false, user_prefs: user_prefs.clone() }
                    BackToHomePage { theme: user_prefs.clone().get_theme(), font: user_prefs.clone().get_font() }
                    div { class: "p-4 flex flex-col space-y-4 mx-auto max-w-full justify-center",
                        div { class: "p-4 flex flex-col space-y-4 text-xl text-center ring-4 {user_theme_card} {user_font_card}",
                            p {
                                "Theme"
                            }
                            ButtonGroup {
                                NavigationButton { title: "Light".to_string(), slug: "/settings/?theme=light".to_string(), user_prefs: user_prefs.clone() }
                                NavigationButton { title: "Dark".to_string(), slug: "/settings/?theme=dark".to_string(), user_prefs: user_prefs.clone() }
                                NavigationButton { title: "Auto".to_string(), slug: "/settings/?theme=auto".to_string(), user_prefs: user_prefs.clone() }
                            }
                        }
                        div { class: "p-4 flex flex-col space-y-4 text-xl text-center ring-4 {user_theme_card} {user_font_card}",
                            p {
                                "Font"
                            }
                            ButtonGroup {
                                NavigationButton { title: "Nerd Font".to_string(), slug: "/settings/?font=nerd".to_string(), user_prefs: user_prefs.clone() override_font: "font-nerd".to_string() }
                                NavigationButton { title: "Open Dyslexic".to_string(), slug: "/settings/?font=open".to_string(), user_prefs: user_prefs.clone() override_font: "font-open".to_string() }
                            }
                        }
                    }
                    BackToHomePage { theme: user_prefs.clone().get_theme(), font: user_prefs.get_font() }
                }
            }
        })
    }
}