use std::{
	fmt::Debug,
	fs::File,
	io::Read,
	path::Path,
};

use serde::de::DeserializeOwned;

pub fn load <
	T: DeserializeOwned,
	P: AsRef <Path> + Debug
> (
	config_file_path: P
) -> T {
	let mut f = File::open (&config_file_path).unwrap_or_else (|_| panic! ("Can't open {:?}", config_file_path));
	let mut buffer = vec! [0u8; 4096];
	let bytes_read = f.read (&mut buffer).unwrap_or_else (|_| panic! ("Can't read {:?}", config_file_path));
	buffer.truncate (bytes_read);
	
	{
	let config_s = String::from_utf8 (buffer).unwrap_or_else (|_| panic! ("Can't parse {:?} as UTF-8", config_file_path));
	toml::from_str (&config_s).unwrap_or_else (|e| panic! ("Can't parse {:?} as TOML: {}", config_file_path, e))
	}
}