extern crate cfg_if;
extern crate wasm_bindgen;

mod utils;

use cfg_if::cfg_if;
use wasm_bindgen::prelude::*;

cfg_if! {
    // When the `wee_alloc` feature is enabled, use `wee_alloc` as the global
    // allocator.
    if #[cfg(feature = "wee_alloc")] {
        extern crate wee_alloc;
        #[global_allocator]
        static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
    }
}

#[wasm_bindgen]
pub fn should_handle(url: String) -> bool {
    if url.ends_with(".css")
       || url.ends_with(".js")
       || url.ends_with(".png")
       || url.ends_with(".jpg")
    {
        false
    } else {
        true
    }
}

let result = format!("{}{}",
    "Well yes",
    format!("Or {} no?", "possibly"));

#[wasm_bindgen]
pub fn page(url: String) -> String {
    html(
        header(&format!("wasm-page: {}", &url)),
        body(format!(
            "{}{}",
            "<p>Hello from Rust &amp; wasm!</p>",
            format!(
                "<footer style=\"color: #cccccc\">Copyright Jostein Kjønigsen - {}</footer>",
                &url
            )
        ))
    )
}

fn header(title: &str) -> String {
    head(element("title", title))
}

fn html(head: String, body: String) -> String {
    element("html", &format!("{}\n{}", head, body))
}

fn head(content: String) -> String {
    element("head", &content)
}

fn body(content: String) -> String {
    element("body", &content)
}


fn element(name: &str, content: &str) -> String {
    format!("<{}>{}</{}>", name, content, name)
}