use commands::Command;
use nanoserde::DeBin;
use std::io::Read;

use deerwm::commands;

fn main() {
    if let Err(e) = unix_named_pipe::create(commands::DEFAULT_PIPE, None) {
        match e.kind() {
            std::io::ErrorKind::AlreadyExists => {}
            _ => panic!("{}", e),
        }
    }
    let mut cmd_fifo =
        unix_named_pipe::open_read(commands::DEFAULT_PIPE).expect("failed to open fifo");
    let mut cmd_buffer = [0; 256];

    'run: loop {
        if let Ok(n) = cmd_fifo.read(&mut cmd_buffer) {
            if n > 0 {
                println!("{:?}", &cmd_buffer[..n]);

                if let Ok(cmd) = Command::de_bin(&mut 0, &cmd_buffer[..n]) {
                    match cmd {
                        Command::Quit => {
                            println!("Recieved quit command!");
                            break 'run;
                        },
                    }
                }
            }
        }
    }

    std::fs::remove_file(commands::DEFAULT_PIPE).expect("failed to create fifo");
}