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//! This library can analyze a http/https address and check if leads to an audio or a video stream
//! If so, then it will extract information about the stream from its metadata or in case of HLS streams
//! from its master playlist file.
//!
//! # Example
//! ```rust
//! let list = av_stream_info_rust::check("https://example.com/test.m3u", 10, 3, 3);
//! for item in list {
//!     println!("{:?}", item);
//! }
//! ```

extern crate hls_m3u8;
#[macro_use]
extern crate log;
extern crate native_tls;
extern crate playlist_decoder;
extern crate reqwest;
extern crate url;

extern crate serde;
#[macro_use]
extern crate serde_derive;
extern crate serde_json;

extern crate tree_magic;

mod decodeerror;
mod lat_long;
mod request;
mod streamcheck;
mod streamcheckerror;
mod streamcheckresult;
mod streamdeepscan;
mod streaminfo;

mod http_config;

use std::thread;
use std::time::Duration;

pub use decodeerror::DecodeError;
pub use http_config::extract_from_homepage;
pub use http_config::MetaInfoFile;
pub use lat_long::LatLong;
pub use streamcheckerror::StreamCheckError;
pub use streamcheckresult::StreamCheckResult;
pub use streaminfo::StreamInfo;

/// Check url for audio/video stream.
/// # Example
/// ```rust
/// let list = av_stream_info_rust::check("https://example.com/test.m3u", 10, 3, 3);
/// for item in list {
///     println!("{:?}", item);
/// }
/// ```
/// # Arguments
/// * `url` - The url to check
/// * `timeout` - TCP timeout for connect and read in seconds
/// * `max_depth` - How many layers of http redirects or playlists should be followed
/// * `retries` - Retry how many times to find at least one working stream
pub fn check(url: &str, timeout: u32, max_depth: u8, retries: u8) -> Vec<StreamCheckResult> {
    let mut working = false;
    let mut list: Vec<StreamCheckResult> = Vec::new();

    // check streams
    for _i in 0..retries {
        list = streamcheck::check(url, false, timeout, max_depth);
        for item in list.iter() {
            match item.info {
                Ok(_) => {
                    working = true;
                    break;
                }
                Err(_) => {}
            }
        }

        if working {
            break;
        }

        thread::sleep(Duration::from_secs(1));
    }

    list
}