use std::fs;
use std::path::Path;

pub struct Repository {
	base_path: String,
}

impl Repository {
	pub fn new(base_path: &str) -> Repository {
		// create the base directory path
		create_directory(base_path);

		let sub_dirs: Vec<&str> = vec!["ingest", "archive", "output"];
		for s in sub_dirs {
			create_directory(Path::new(base_path).join(s).to_str().unwrap());
		}

		return Repository {
			base_path: String::from(base_path),
		};
	}
}

fn create_directory(path: &str) {
	let d = Path::new(path);
	if d.is_dir() {
		println!("Directory {} already exists.", path);
	} else {
		match fs::create_dir(path) {
			Ok(_) => {
				println!("Creating directory {}.", path);
			},
			Err(e) => {
				eprintln!("Error creating {}: {}", path, e);
				std::process::exit(1);
			}
		}
	}
}