izzilis/src/main.rs

use std::{error::Error, process, time::Duration};

use chrono::Local;
use rand::Rng;

use crate::{
    bot::IzzilisBot, generator::Generator, publish::FediversePublisher, selection::ConsoleSelector,
};

use futures_timer::Delay;

mod bot;
mod config;
mod generator;
mod model;
mod publish;
mod selection;

const CONFIG_PATH: &str = "bot_config.json";

fn main() -> Result<(), Box<dyn Error>> {
    smol::block_on(async {
        let cfg = match config::Config::from(CONFIG_PATH.to_string()) {
            Ok(cfg) => cfg,
            Err(_) => {
                println!(
                    "Failed reading config at [{}], writing default",
                    CONFIG_PATH
                );
                match config::Config::default().save(CONFIG_PATH.to_string()) {
                    Some(err) => println!("Failed writing file to {}: {}", CONFIG_PATH, err),
                    None => (),
                }
                process::exit(1);
            }
        };

        let gpt_model = model::GPTSampleModel::new(
            cfg.python_path(),
            cfg.gpt_code_path(),
            vec![
                "generate_unconditional_samples.py".to_string(),
                "--model_name".to_string(),
                cfg.model_name(),
                "--temperature".to_string(),
                cfg.temperature(),
                "--top_k".to_string(),
                cfg.top_k(),
                "--nsamples".to_string(),
                "1".to_string(),
            ],
        );
        let publisher = FediversePublisher::new(cfg.fediverse_base_url())?;
        // let publisher = ConsolePublisher::new();
        let gen = Generator::new(gpt_model);
        let console_selector = ConsoleSelector::new();
        let mut bot = IzzilisBot::new(gen, publisher, console_selector);
        bot.generate_samples();

        let cfg_interval = cfg.interval_seconds();
        loop {
            let wait_seconds = rand::thread_rng().gen_range(cfg_interval.min()..cfg_interval.max());
            let wait_time = Duration::from_secs(wait_seconds);
            let now = Local::now();
            println!("[{}] Next post is in [{}] seconds", now, wait_seconds);
            Delay::new(wait_time).await;
            match bot.publish() {
                Err(err) => println!("Got error from publish: [{}]; continuing", err),
                Ok(()) => println!("publish() call successful"),
            }
        }
    })
}