zippopotamus 0.1.2

Lazy implementation of zip
Documentation 
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use std::{fs, path::PathBuf};
use clap::{Parser, Subcommand};
use zippopotamus::{huffman::*, zip::*};

#[derive(Parser)]
struct Cli {
    #[command(subcommand)]
    command: Command,

}

#[derive(Subcommand, Debug)]
enum Command {
    #[command(alias = "c")]
    #[command(about = "Compress a file")]
    Compress {
        filepath: PathBuf
    },
    #[command(alias = "d")]
    #[command(about = "Decompress a file")]
    Decompress {
        filepath: PathBuf
    },
}

fn main() {
    //let _ = webbrowser::open("https://youtu.be/q86g1aop6a8");
    println!("Zippopotamus: version {}", env!("CARGO_PKG_VERSION"));

    if let Ok(art) = fs::read_to_string("zipper.txt") {
        println!("{art}");
    }

    let args = Cli::parse();
    match args.command {
        Command::Compress { filepath } => {
            let ratio = compress_file(&filepath).expect("Failed to compress file. Does the file exist?");
            println!("Done compressing! Compression ratio: {:.2}%", ratio * 100.0);
        }
        Command::Decompress { filepath } => {
            decompress_file(&filepath).expect("Failed to decompress file");
            println!("Done decompressing!");
        }
    }

    //let compressedname = if let Some(dot_pos) = filepath.rfind('.') {
    //     format!("{}.zpp", &filepath[..dot_pos])
    // } else {
    //     format!("{}.zpp", filepath)
    //};



}


pub fn print_codes(dict: CodeDict) {
    println!("Huffman code dictionary: ");
    let mut len_sorted = dict.iter()
        .collect::<Vec<_>>();

    //sort by code length
    len_sorted.sort_by(|a, b| { a.1.1.cmp(&b.1.1).then(a.0.cmp(b.0)) });

    for (ch, code) in len_sorted {
        println!("{}: {:0width$b}", char::from_u32(*ch as u32).unwrap_or('?'), code.0, width = code.1 as usize);
    }

}