use rocket::{
    form::Form,
    get, post,
    response::{Flash, Redirect},
    routes, FromForm, Route, State,
};
use sqlx::SqlitePool;

use crate::model::{trip::Trip, tripdetails::TripDetails, user::CoxUser};

//TODO: add constraints (e.g. planned_amount_cox > 0)
#[derive(FromForm)]
struct AddTripForm {
    day: String,
    planned_starting_time: String,
    max_people: i32,
    notes: Option<String>,
}

#[post("/trip", data = "<data>")]
async fn create(db: &State<SqlitePool>, data: Form<AddTripForm>, cox: CoxUser) -> Flash<Redirect> {
    //TODO: fix clones()
    let trip_details_id = TripDetails::new(
        db,
        data.planned_starting_time.clone(),
        data.max_people,
        data.day.clone(),
        data.notes.clone(),
    )
    .await;

    //TODO: fix clone()
    Trip::new_own(db, cox.id, trip_details_id).await;

    Flash::success(Redirect::to("/"), "Successfully planned the event")
}

#[get("/join/<planned_event_id>")]
async fn join(db: &State<SqlitePool>, planned_event_id: i64, cox: CoxUser) -> Flash<Redirect> {
    if Trip::new_join(db, cox.id, planned_event_id).await {
        Flash::success(Redirect::to("/"), "Danke für's helfen!")
    } else {
        Flash::error(Redirect::to("/"), "Du nimmst bereits teil!")
    }
}

#[get("/remove/<planned_event_id>")]
async fn remove(db: &State<SqlitePool>, planned_event_id: i64, cox: CoxUser) -> Flash<Redirect> {
    //TODO: Check if > 2 hrs to event

    Trip::delete(db, cox.id, planned_event_id).await;

    Flash::success(Redirect::to("/"), "Erfolgreich abgemeldet!")
}

pub fn routes() -> Vec<Route> {
    routes![create, join, remove]
}