use crate::pdfgen;
use wasm_bindgen::prelude::*;
use js_sys;
use yew::prelude::*;

struct Form {
}

impl Component for Form {
    type Message = ();
    type Properties = ();

    fn create(_props: Self::Properties, _link: ComponentLink<Self>) -> Self {
        Self { }
    }

    fn update(&mut self, _msg: Self::Message) -> ShouldRender {
        false
    }

    fn change(&mut self, _props: Self::Properties) -> ShouldRender {
        false
    }

    fn view(&self) -> Html {
        let pdf_raw = /*include_bytes!("../demo.pdf"); // this works */pdfgen::genpdf(); // this doesn't work
        let pdf = std::str::from_utf8(&pdf_raw).expect("should be able to convert to string");
        let uri_component: String = js_sys::encode_uri_component(pdf).into();
        let href = format!{"data:application/pdf;charset=utf-8,{}", uri_component };
        html!{
            <a href=href download="demo.pdf" >
                { "Download PDF" }
            </a>
        }
    }
}

#[wasm_bindgen(start)]
pub fn run_app() {
    App::<Form>::new().mount_to_body();
}