/*
    Social program for Ramaskrik.
    Copyright (C) 2019  Harald Eilertsen <haraldei@anduin.net>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/
#![feature(proc_macro_hygiene, decl_macro)]

use rocket::{
    get,
    routes,
};
use rocket_contrib::{
    database,
    databases::diesel,
    json,
    json::JsonValue,
};
use std::collections::HashMap;
use std::error::Error;
use std::result::Result;

#[database("main")]
struct DbConn(diesel::PgConnection);

#[get("/")]
fn get_rooms(_db: DbConn) -> JsonValue {
    json!([])
}

pub fn build_rocket() -> Result<rocket::Rocket, Box<dyn Error>> {
    let db_url = dotenv::var("DATABASE_URL")
        .map_err(|_| "No database! Set DATABASE_URL env var and try again.")?;

    let mut db_config = HashMap::new();
    db_config.insert("url", rocket::config::Value::from(db_url));

    let mut databases = HashMap::new();
    databases.insert("main", rocket::config::Value::from(db_config));

    let mut config = rocket::Config::active()?;
    config.extras.insert("databases".into(), rocket::config::Value::from(databases));

    Ok(rocket::custom(config)
        .attach(DbConn::fairing())
        .mount("/", rocket_contrib::serve::StaticFiles::from("./public"))
        .mount("/rooms", routes![get_rooms]))
}