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

use anyhow::Result;
use clap::Parser;
use std::path::PathBuf;

#[derive(Parser)]
#[clap()]
struct Opt {
    /// Path to the deck
    #[clap(long, default_value = "deck.deck")]
    deck: String,

    /// Hide remaining card counts
    #[clap(long)]
    hide_remaining: bool,
}

fn main() -> Result<()> {
    let args = Opt::parse();
    let deck_path = 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 deck_last_sync = util::time::seconds_since_unix_epoch()?;

    let mut term = gui::setup_terminal()?;

    match gui::start(
        &mut conn,
        &mut term,
        &deck_path,
        &deck_name,
        deck_last_sync,
        args.hide_remaining,
    ) {
        Ok(()) => (),
        Err(msg) => {
            // Show errors in TUI, otherwise they are hidden
            gui::message::show(&mut term, &deck_name, &format!("{msg}"), true)?
        }
    }

    gui::restore_terminal(&mut term)
}

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