use std::path::Path;

use file::{FileError, LinksFile};
use mastodon::Mastodon;

mod file;
mod wikipedia;
mod mastodon;

fn main() {
  dotenv::dotenv().ok();
  let app_code = std::env::var("APP_CODE").expect("APP_CODE required.");
  let app_token = std::env::var("APP_TOKEN").expect("APP_TOKEN required.");
  let app_instance = std::env::var("APP_INSTANCE").expect("APP_INSTANCE required.");

  let queue = LinksFile::new(Path::new("queue.txt"));
  let backup = LinksFile::new(Path::new("backup.txt"));

  let mastodon = Mastodon::new(app_instance, app_token);

  // get link to post
  let link_to_post = match queue.remove_first_line() {
    Ok(a) => a,
    Err(FileError::EmptyLine) => match backup.remove_first_line() {
      Ok(b) => b,
      Err(c) => panic!("{c:?}")
    },
    Err(d) => panic!("{d:?}")
  };
  println!("{link_to_post}")
}