use chrono::*; // For date
use std::fs; // To list files
use std::fs::File;
use std::io::BufReader;
use std::io::BufRead;

fn birthdate (filename: String) -> String {
    let file = File::open(filename).expect("file not found!");
    let reader = BufReader::new(file);
    for line in reader.lines() {
        let l:String = line.unwrap();
        if l.starts_with("BDAY") {
            return l[5..].to_string();
        }
    }
    return "".to_string()
}

fn main() {
    /* Where are the vcf files */
    let vcf_dir = "/home/ilya/.contacts/contacts";
    
    /* How much day before */
    let delta_d:u8 = 10;

    let now = Local::now();

    let paths = fs::read_dir(vcf_dir).unwrap();
    for path in paths {
        let filename :String = path.unwrap().path().into_os_string().into_string().unwrap();
        let bdate:String = birthdate(filename);
        if bdate == "" {
            continue
        }
        //println!("{}", bdate);
        println!("{}",UTC::Date(bdate));

    }
}