use actix_web::{get, App, HttpResponse, HttpServer, Responder, web::{Data, Query}};
use tera::{Tera, Context};
use serde::Deserialize;

struct Template {
    paste: Tera,
}

#[derive(Deserialize)]
struct Paste {
    paste_id: String,
}


#[get("/")]
async fn paste_render(data: Data<Template>, paste: Query<Paste>) -> impl Responder {
    let my_data = data.get_ref();
    let mut context = Context::new();
    context.insert("paste_content", &paste.paste_id);
    let rendered = my_data.paste.render("paste.html", &context);
    HttpResponse::Ok().body(rendered.unwrap())
}

#[actix_web::main]

async fn main() -> std::io::Result<()> {

    let tera = match Tera::new("templates/*.html") {
        Ok(t) => t,
        Err(e) => {
            println!("Parsing error(s): {}", e);
            ::std::process::exit(1);
        }
    };
    let data = Data::new(Template { paste: tera });
    HttpServer::new(move || {
        App::new()
            .app_data(Data::clone(&data))
            .service(paste_render)
    })
    .bind(("0.0.0.0", 8080))?
    .run()
    .await
}