use std::{
    env::args,
    io::{stdin, stdout, IsTerminal},
};

use actix_web::{
    get, http::header::ContentType, post, web, App, HttpResponse, HttpServer, Responder,
};
use serde::{Deserialize, Serialize};

#[derive(Debug, PartialEq, Serialize, Deserialize, Clone)]
struct Registration {
    url: String,
}

#[post("/register")]
async fn register(registration: web::Json<Registration>) -> impl Responder {
    HttpResponse::Ok()
        .content_type(ContentType::json())
        .body(serde_json::to_string(&registration).unwrap())
}

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    HttpServer::new(|| App::new().service(register))
        .bind(("127.0.0.1", 8080))?
        .run()
        .await
}

#[cfg(test)]
mod app_tests {
    use actix_web::{body, http::header::ContentType, test, App};

    use super::*;

    #[actix_web::test]
    async fn post_registration_echoes_back_registration_data_with_unique_id() {
        let app = test::init_service(App::new().service(register)).await;
        let registration = Registration {
            url: "http://192.168.1.1".to_string(),
        };
        let req = test::TestRequest::post()
            .uri("/register")
            .set_json(registration.clone())
            .insert_header(ContentType::json())
            .to_request();
        let resp = test::call_service(&app, req).await;
        assert!(resp.status().is_success());
        let body = resp.into_body();
        let bytes = body::to_bytes(body).await;
        assert_eq!(
            registration,
            serde_json::from_slice(&bytes.unwrap()).unwrap()
        );
    }
}