mod db;
mod deck;
mod gui;
mod model;
mod space_repetition;
mod sync;
mod util;

use crate::util::event::Events;
use anyhow::Result;
use std::path::PathBuf;
use structopt::StructOpt;

#[derive(StructOpt)]
#[structopt()]
struct Opt {
    #[structopt(long, default_value = "deck.deck")]
    deck: String,
}

fn main() -> Result<()> {
    let deck_path = Opt::from_args().deck;
    let mut conn = db::init(db_path(&deck_path))?;
    let deck_name = deck::pp_from_path(&deck_path).unwrap_or_else(|| "Deck".to_string());

    sync::run(&mut conn, &deck_path)?;

    let mut term = gui::terminal()?;
    let events = Events::new();
    match gui::start(&conn, &mut term, &events, &deck_name) {
        Ok(()) => Ok(()),
        Err(msg) => {
            // Show errors in TUI, otherwise they are hidden
            gui::message::show(&mut term, &events, &deck_name, &format!("{msg}"), true)?;
            Err(msg)
        }
    }
}

fn db_path(deck_path: &str) -> String {
    let mut path = PathBuf::from(deck_path);
    path.set_extension("db");
    path.to_string_lossy().to_string()
}