#![feature(proc_macro_hygiene, decl_macro)]


#[macro_use] extern crate rocket;
#[macro_use] extern crate diesel;
#[macro_use] extern crate diesel_migrations;

mod models;
mod config;
mod schema;
mod routes;
mod dns;
mod cli;

use std::process::exit;

use clap::Parser;
use figment::{Figment, Profile, providers::{Format, Toml, Env}};
use rocket_sync_db_pools::database;
use diesel::prelude::*;

use crate::cli::{NomiloCli, NomiloCommand};

#[database("sqlite")]
pub struct DbConn(diesel::SqliteConnection);


pub fn get_db_conn(figment: &Figment) -> diesel::SqliteConnection {
    let url = match figment.focus("databases.sqlite").extract_inner::<String>("url") {
        Ok(url) => url,
        Err(e) => {
            eprintln!("Error loading configuration: {}", e);
            exit(1);
        }
    };

    match diesel::SqliteConnection::establish(&url) {
        Ok(c) => c,
        Err(e) => {
            eprintln!("Error connecting to database at \"{}\": {}", url, e);
            exit(1);
        }
    }
}


fn main() {
    let figment = Figment::from(rocket::Config::default())
        .merge(Toml::file(Env::var_or("NOMILO_CONFIG", "nomilo.toml")).nested())
        .merge(Env::prefixed("NOMILO_").ignore(&["PROFILE"]).global())
        .select(Profile::from_env_or("NOMILO_PROFILE", "release"));

    let app_config = match figment.extract::<config::Config>() {
        Ok(c) => c,
        Err(e) => {
            eprintln!("Error loading configuration: {}",  e);
            exit(1);
        }
    };

    let nomilo = NomiloCli::parse();
    nomilo.run(figment, app_config);
}