use std::fs::File;
use std::io::Write;

use crate::cli::parameters::InitArgs;
use crate::config::Config;

pub(crate) async fn init_writer_folder(args: &InitArgs) -> Result<(), Box<dyn std::error::Error>> {
    let new_config = Config::default();
    if args.path.exists() && !args.path.is_dir() {
        return Err("The supplied path exists but is not a directory. Aborting.".into());
    }

    if !args.path.exists() {
        std::fs::create_dir_all(&args.path)?;
    }

    let existing_entries = std::fs::read_dir(&args.path)?;
    if existing_entries.count() != 0 {
        return Err("The directory is not empty. Aborting.".into());
    }

    let mut config_file = File::create(args.path.join("writer.toml"))?;
    config_file.write_all(toml::to_string(&new_config)?.as_bytes())?;
    Ok(())
}