/*
    Social program for Ramaskrik.
    Copyright (C) 2019, 2020  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/>.
*/

use crate::{
    db,
    models,
};

use serde::Serialize;
use serde_json::json;
use std::result::Result;
use rocket::{get, post};
use rocket::http::Status;
use rocket::response::Redirect;
use rocket::form::{Form, FromForm};
use rocket_dyn_templates::Template;

#[get("/")]
pub async fn index(db: db::Connection) -> Result<Template, Redirect> {
    #[derive(Serialize)]
    struct Context {
        event: models::Event,
    }

    let db_res = models::Event::get(&db).await;
    match db_res {
        Ok(event) => {
            let ctx = Context { event };
            Ok(Template::render("event/index", &ctx))
        },
        Err(_) => {
            // Create new event if it's not already in the db.
            Err(Redirect::to("new"))
        }
    }
}

#[get("/new")]
pub fn new() -> Template {
    Template::render("event/new", &json!({}))
}

#[derive(FromForm)]
pub struct NewEventForm {
    pub name: String,
    pub description: String,
}

// fn full_uri(path: &str) -> String {
//     let config = rocket::rocket.config();
//     if Some(base_uri) = config.extras.get("base_uri") {
//         String::from(base_uri.as_str().unwrap()) + path
//     } else {
//         String::from(path)
//     }
// }

#[post("/create", format = "application/x-www-form-urlencoded", data = "<form>")]
pub async fn create(db: db::Connection, form: Form<NewEventForm>) -> Result<Redirect, Status> {
    models::Event::create(&db, form.name.to_owned(), form.description.to_owned())
        .await
        .map_err(|_| Status::InternalServerError)?;

    Ok(Redirect::to(""))
}