fn get_months(n: i32) -> [String; 12]
{
    let mut months: [String; 12] = Default::default();
    for i in 1..13
    {
        if n == 1
            {months[i-1] = i.to_string();}
        else if n == 2
            {months[i-1] = format!("{:0>2}",i.to_string());}
    }
    return months;
}

fn get_dates(n: i32) -> [String; 31]
{
    let mut days: [String; 31] = Default::default();
    for i in 1..32
    {
        if n == 1
            {days[i-1] = i.to_string();}
        else if n == 2
            {days[i-1] = format!("{:0>2}",i.to_string());}
    }
    return days;
}

fn get_ordinals() -> [&'static str; 31]{
    let ordinals = ["1st", "2nd", "3rd", "4th", "5th", "6th", "7th", "8th",
    "9th", "10th", "11th", "12th", "13th", "14th", "15th", "16th", "17th",
    "18th", "19th", "20th", "21st", "22nd", "23rd", "24th", "25th",
    "26th", "27th", "28th", "29th", "30th", "31st"];
    return ordinals;
}

fn get_year_value(start_year:u32, end_year:u32, n_digits:u32) -> Vec<String>
{
    let mut year = Vec::new();
    let mut start_year = start_year;
    let mut end_year = end_year;
    if n_digits == 4
    {
        for i in start_year..end_year+1
        {
           year.push(i.to_string());
        }
    }
    else if n_digits == 2
    {
        let mut num;
        let return_size = end_year - start_year + 1;
        if return_size > 101
        {
            start_year = 0;
            end_year = 100;
        }
        for i in start_year..end_year
        {
            num = i%100;
            year.push(format!("{:0>2}",num.to_string()));
        }
    }

    return year;
}

#[derive(Debug)]
struct Values
{
    days: [String; 31],
    ordinals: [&'static str; 31],
    months: [String; 12],
    years: Vec<String>,

}

fn get_values(n_month: i32, n_day: i32, start_year:u32, end_year:u32, n_year_digit:u32) -> Values
{
    Values{days: get_dates(n_day),
    ordinals:get_ordinals(),
    months:get_months(n_month),
    years:get_year_value(start_year, end_year, n_year_digit),
    p: 12}
}

fn main(){
    // let z = get_months(2);
    // println!("{:?}", z);
    // let y = get_dates(2);
    // println!("{:?}", y);
    // let a = get_ordinals();
    // println!("{:?}", a);
    // let ya = get_year_value(2000, 2200, 4);
    // println!("{:?}", ya)
    let y = get_values(2, 2, 2019, 2029, 4);
    println!("{:?}", y);
}