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#![feature(backtrace)]
#![feature(result_flattening)]
#![allow(unused_parens)]

use async_compression::futures::bufread::GzipDecoder;

use futures::io::AsyncBufReadExt;
use futures::io::AsyncRead;
use futures::io::BufReader;
use futures::stream::Stream;
use futures::stream::TryStreamExt;

use reqwest::Client;

mod error;
pub use error::Error;

mod episode;
pub(crate) use episode::EpisodeLink;
pub(crate) use episode::get_episodes_filtered;
pub(crate) use episode::get_episodes_filtered_by_show;
pub(crate) use episode::stream_episodes;
mod movie;
pub use movie::Movie;
pub use movie::get_movies_filtered;
pub use movie::stream_movies;
pub use movie::stream_movies_filtered;
mod show;
pub use show::Episode;
pub use show::Show;
pub use show::get_shows_filtered;
mod title;
pub use title::Title;
pub use title::TitleType;
pub use title::get_titles_filtered;
pub use title::get_titles_filtered_split;
pub use title::stream_titles;
pub use title::stream_titles_filtered;
pub(crate) mod util;

pub(crate) const TITLES_URL: &'static str = "https://datasets.imdbws.com/title.basics.tsv.gz";
pub(crate) const EPISODES_URL: &'static str = "https://datasets.imdbws.com/title.episode.tsv.gz";

pub async fn start_stream(url: &str) -> Result<impl AsyncRead, Error> {
	let raw_stream = Client::new().get(url).send().await?.bytes_stream();
	let decompressed_stream = GzipDecoder::new(raw_stream.map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e)).into_async_read());
	Ok(BufReader::new(decompressed_stream).lines().into_async_read())
}

pub async fn start_stream_lines(url: &str) -> Result<impl Stream<Item = Result<String, std::io::Error>>, Error> {
	let raw_stream = Client::new().get(url).send().await?.bytes_stream();
	let decompressed_stream = GzipDecoder::new(raw_stream.map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e)).into_async_read());
	Ok(BufReader::new(decompressed_stream).lines())
}