use dioxus::prelude::*;

#[derive(Debug, Clone, Routable, PartialEq)]
enum Route {
  #[layout(Navbar)]
  #[route("/")]
  Home {},
  #[route("/blog/:id")]
  Blog { id: i32 },
}

const FAVICON: Asset = asset!("/assets/favicon.ico");
const MAIN_CSS: Asset = asset!("/assets/main.css");
const HEADER_SVG: Asset = asset!("/assets/header.svg");

fn main() {
  launch(App);
}

#[component]
fn App() -> Element {
  rsx! {
    document::Link { rel: "icon", href: FAVICON }
    document::Link { rel: "stylesheet", href: MAIN_CSS }
    Router::<Route> {}
  }
}

#[component]
pub fn Hero() -> Element {
  rsx! {
    div { id: "hero",
      img { src: HEADER_SVG, id: "header" }
      div { id: "links",
        a { href: "https://dioxuslabs.com/learn/0.6/", "📚 Learn Dioxus" }
        a { href: "https://dioxuslabs.com/awesome", "🚀 Awesome Dioxus" }
        a { href: "https://github.com/dioxus-community/", "📡 Community Libraries" }
        a { href: "https://github.com/DioxusLabs/sdk", "⚙️ Dioxus Development Kit" }
        a { href: "https://marketplace.visualstudio.com/items?itemName=DioxusLabs.dioxus",
          "💫 VSCode Extension"
        }
        a { href: "https://discord.gg/XgGxMSkvUM", "👋 Community Discord" }
      }
    }
  }
}

/// Home page
#[component]
fn Home() -> Element {
  rsx! {
    Hero {}
    Echo {}
  }
}

/// Blog page
#[component]
pub fn Blog(id: i32) -> Element {
  rsx! {
    div { id: "blog",

      // Content
      h1 { "This is blog #{id}!" }
      p {
        "In blog #{id}, we show how the Dioxus router works and how URL parameters can be passed as props to our route components."
      }

      // Navigation links
      Link { to: Route::Blog { id: id - 1 }, "Previous" }
      span { " <---> " }
      Link { to: Route::Blog { id: id + 1 }, "Next" }
    }
  }
}

/// Shared navbar component.
#[component]
fn Navbar() -> Element {
  rsx! {
    div { id: "navbar",
      Link { to: Route::Home {}, "Home" }
      Link { to: Route::Blog { id: 1 }, "Blog" }
    }

    Outlet::<Route> {}
  }
}

/// Echo component that demonstrates fullstack server functions.
#[component]
fn Echo() -> Element {
  let mut response = use_signal(|| String::new());

  rsx! {
    div { id: "echo",
      h4 { "ServerFn Echo" }
      input {
        placeholder: "Type here to echo...",
        oninput: move |event| async move {
            let data = echo_server(event.value()).await.unwrap();
            response.set(data);
        },
      }

      if !response().is_empty() {
        p {
          "Server echoed: "
          i { "{response}" }
        }
      }
    }
  }
}

/// Echo the user input on the server.
#[server(EchoServer)]
async fn echo_server(input: String) -> Result<String, ServerFnError> {
  Ok(input)
}