#![feature(plugin, custom_derive)]
#![plugin(rocket_codegen)]

#[macro_use]
extern crate bart_derive;
#[macro_use]
extern crate diesel;
#[macro_use]
extern crate serde_derive;

extern crate comrak;
extern crate dotenv;
extern crate r2d2;
extern crate r2d2_diesel;
extern crate rocket;
extern crate rocket_contrib;

#[macro_use]
mod utils;
mod controllers;
mod models;
mod schema;
use controllers::{home_controller, login_controller, posts_controller, users_controller};

fn build_rocket(pool: utils::Pool) -> rocket::Rocket {
    rocket::ignite()
        .manage(pool)
        .mount("/", home_controller::routes())
        .mount("/posts", posts_controller::routes())
        .mount("/users", users_controller::routes())
        .mount("/login", login_controller::routes())
}

fn main() {
    if let Ok(dburl) = dotenv::var("DATABASE_URL") {
        let pool = utils::init_db_pool(&dburl);
        build_rocket(pool).launch();
    }
    else {
        eprintln!("Error: No database specified, make sure the DATABASE_URL env var is set.");
    };
}

#[cfg(test)]
mod test {
    extern crate victoria_dom;

    mod test_helpers;

    use self::victoria_dom::DOM;
    use super::build_rocket;
    use super::models::Post;
    use super::utils;
    use rocket::local::Client;
    use rocket::http::{Accept, Status};

    #[test]
    fn landing_page_shows_published_posts() {
        let pool = test_helpers::init_test_db_pool();
        let conn = utils::DbConn(pool.get().unwrap());
        let client = Client::new(build_rocket(pool)).expect("Rocket not built!");
        let mut response = client
            .get("/")
            .header(Accept::HTML)
            .dispatch();
        assert_eq!(response.status(), Status::Ok);

        let dom = DOM::new(&response.body_string().unwrap());
        let displayed_posts = dom.at("body").unwrap().childs(Some(".post-teaser")).iter().count();
        let posts = Post::get_all(&conn);
        assert_eq!(displayed_posts, posts.len());
    }
}