use crate::{
    frontend::pages::{layout::Layout, HtmlTemplate},
    library::{Directory, Item, Node},
    AppState,
};
use rocket::{get, uri, State};
use std::{ops::Deref, path::PathBuf, sync::Arc};

use super::MyError;

#[get("/library/<path..>")]
pub async fn page_library_node(
    path: PathBuf,
    state: &State<AppState>,
) -> Result<HtmlTemplate<markup::DynRender>, MyError> {
    let path = path.to_str().unwrap().to_string();
    let node = state.library.nested(&path)?.clone();
    Ok(HtmlTemplate(markup::new! {
        @match node.deref() {
            Node::Directory(dir) => {
                @Layout {
                    title: format!("{} - Library", node.title()),
                    main: DirectoryPage { dir: dir.clone() },
                }
            }
            Node::Item(item) => {
                @Layout {
                    title: "".to_string(),
                    main: ItemPage { item: item.clone() },
                }
            }
        }
    }))
}

markup::define! {
    DirectoryCard(dir: Arc<Directory>) {
        span { a[href=&uri!(page_library_node(&dir.lib_path)).to_string()] { @dir.data.name } }
    }
    DirectoryPage(dir: Arc<Directory>) {
        h1 { @dir.data.name }
        ul.directorylisting {
            @for el in &dir.children {
                li {
                    span.title { @match el.deref().to_owned() {
                        Node::Directory(dir) => { @DirectoryCard { dir } }
                        Node::Item(item) => { @ItemCard { item } }
                    }}
                }
            }
        }
    }
    ItemCard(item: Arc<Item>) {
        span { a[href=&uri!(page_library_node(&item.lib_path)).to_string()] { @item.data.title } }
    }
    ItemPage(item: Arc<Item>) {
        h1 { @item.data.title }
    }
}