#![feature(str_split_once)]
#![feature(proc_macro_hygiene)]
#![feature(decl_macro)]
#![warn(clippy::pedantic, clippy::nursery)]

use std::path::PathBuf;

use directories::ProjectDirs;
use eyre::{eyre, Result};
use structopt::StructOpt;

#[macro_use]
extern crate log;

#[macro_use]
extern crate rocket;

use command::AtuinCmd;
use local::database::Sqlite;

mod command;
mod local;
mod remote;

#[derive(StructOpt)]
#[structopt(
    author = "Ellie Huxtable <e@elm.sh>",
    version = "0.3.2",
    about = "Magical shell history"
)]
struct Atuin {
    #[structopt(long, parse(from_os_str), help = "db file path")]
    db: Option<PathBuf>,

    #[structopt(subcommand)]
    atuin: AtuinCmd,
}

impl Atuin {
    fn run(self) -> Result<()> {
        let db_path = if let Some(db_path) = self.db {
            let path = db_path
                .to_str()
                .ok_or_else(|| eyre!("path {:?} was not valid UTF-8", db_path))?;
            let path = shellexpand::full(path)?;
            PathBuf::from(path.as_ref())
        } else {
            ProjectDirs::from("com", "elliehuxtable", "atuin")
                .ok_or_else(|| {
                    eyre!("could not determine db file location\nspecify one using the --db flag")
                })?
                .data_dir()
                .join("history.db")
        };

        let mut db = Sqlite::new(db_path)?;

        self.atuin.run(&mut db)
    }
}

fn main() -> Result<()> {
    pretty_env_logger::init();

    Atuin::from_args().run()
}
