use std::{
    fs::File,
    io::{BufReader, Read},
    path::PathBuf,
};

use patoz::parse;

fn main() {
    let mut current_file_path = PathBuf::from(file!());
    current_file_path.pop();
    current_file_path.pop();
    current_file_path.push("1BYI.pdb");
    let content = read_file(&current_file_path);
    if let Ok((_, mut res)) = parse(&content) {
        println!(
            "Classification : {:?}",
            res.header().header().unwrap().classification
        );
        println!("Id Code : {:?}", res.header().header().unwrap().id_code);
        println!("Keywords : {:?}", res.header().keywds().unwrap().keywords);
    }
}

fn read_file(path: &PathBuf) -> String {
    let file = File::open(path).unwrap();
    let mut buf_reader = BufReader::new(file);
    let mut contents = String::new();
    if let Ok(_read_res) = buf_reader.read_to_string(&mut contents) {
        contents
    } else {
        "".to_owned()
    }
}