use chrono::{Duration, Local, NaiveDate};
use rocket::{catch, catchers, get, response::Redirect, routes, Build, Rocket, State};
use rocket_dyn_templates::{context, Template};
use sqlx::SqlitePool;

use crate::model::{user::User, Day};

mod admin;
mod auth;

#[get("/")]
async fn index(db: &State<SqlitePool>, user: User) -> Template {
    let mut days = Vec::new();
    for i in 0..6 {
        let date = (Local::now() + Duration::days(i)).date_naive();
        days.push(Day::new(db, date).await);
    }
    Template::render("index", context! {loggedin_user: user, days})
}

#[catch(401)] //unauthorized
fn unauthorized_error() -> Redirect {
    Redirect::to("/auth")
}

pub fn start(db: SqlitePool) -> Rocket<Build> {
    rocket::build()
        .manage(db)
        .mount("/", routes![index])
        .mount("/auth", auth::routes())
        .mount("/admin", admin::routes())
        .register("/", catchers![unauthorized_error])
        .attach(Template::fairing())
}

#[cfg(test)]
mod test {
    use crate::testdb;

    use super::start;
    use rocket::http::Status;
    use rocket::local::asynchronous::Client;
    use rocket::uri;
    use sqlx::SqlitePool;

    #[sqlx::test]
    fn test_not_logged_in() {
        let pool = testdb!();

        let client = Client::tracked(start(pool))
            .await
            .expect("valid rocket instance");
        let response = client.get(uri!(super::index)).dispatch().await;

        assert_eq!(response.status(), Status::SeeOther);
        let location = response.headers().get("Location").next().unwrap();
        assert_eq!(location, "/auth");
    }
}