#![feature(addr_parse_ascii)]

use std::env;
use std::process::ExitCode;

mod common;
mod help;
mod query;
mod repl;
mod server;

fn main() -> ExitCode {
    env_logger::init();

    let args: Vec<String> = env::args().collect();

    if args.len() <= 1 {
        println!("{}", help::USAGE);
        eprintln!("Expected command argument.");
        return ExitCode::from(1);
    }

    let cmd = &args[1];
    let cmd_args = &args[2..];

    match cmd.as_str() {
        "server" => return server::cmd(cmd_args),
        "repl" => return repl::cmd(cmd_args),
        "query" => return query::cmd(cmd_args),
        "help" | "-h" | "--help" => return help::cmd(cmd_args),
        _ => {
            println!("{}", help::USAGE);
            eprintln!("Unknown command {}.", cmd);
            return ExitCode::from(1);
        }
    }
}