use std::fs::File;
use std::io::Read;

mod day1;
mod day2;
mod tests;

fn main() {
    match read_file("../day1.txt") {
        Ok(input) => {
            let mut data = day1::Data::new();
            data.parse(input);
            println!("Day1 Challenge1 result = {}", data.compute1());
            println!("Day1 Challenge2 result = {}", data.compute2());
        }
        Err(msg) => {
            println!("Error: {}", msg);
        }
    }
    match read_file("../day2.txt") {
        Ok(input) => {
            let mut data = day2::Data::new();
            data.parse(input);
            println!("Day2 Challenge1 result = {}", data.compute1());
            println!("Day2 Challenge2 result = {}", data.compute2());
        }
        Err(msg) => {
            println!("Error: {}", msg);
        }
    }
}

fn read_file(filename: &str) -> Result<String, std::io::Error> {
    match File::open(filename) {
        Ok(mut file) => {
            let mut input = String::new();
            match file.read_to_string(&mut input) {
                Ok(_) => Ok(input),
                Err(msg) => Err(msg),
            }
        }
        Err(msg) => Err(msg),
    }
}