use std::path::PathBuf;

use clap::Clap;
use smartstring::{LazyCompact, SmartString};
use crate::extensionset::ExtensionSet;

#[derive(Clap, PartialEq, Debug)]
pub enum OutputFormat {
	Script,
	Text,
}

#[derive(Clap, Debug)]
pub struct Parameters {
	/// Only examine files with these extensions (Comma-separated list)
	#[clap(short, long, use_delimiter = true, require_delimiter = true, required_unless_present = "ext-set")]
	pub exts: Option<Vec<SmartString<LazyCompact>>>,

	/// write good docs 0uo
	#[clap(short = 'E', long, arg_enum, required_unless_present = "exts")]
	pub ext_set: Option<ExtensionSet>,

	/// Don't skip hidden files and directories
	#[clap(short, long)]
	pub scan_hidden: bool,

	/// Output format to use. See "--help formats" for more information.
	#[clap(short, long, default_value = "script", arg_enum)]
	pub output_format: OutputFormat,

	/// Directory to process
	// TODO: right now this can only take a single directory - should this be improved?
	#[clap(name = "DIR", default_value = ".", parse(from_os_str))]
	pub dirs: PathBuf,
}