use forge_script_lang::parse::{parse_expression, parse_program};
use std::path::PathBuf;

fn get_base_path() -> Result<PathBuf, std::io::Error> {
	let mut cwd = std::env::current_dir()?;
	let mut path = PathBuf::from(file!());
	cwd.pop();
	path.pop();
	path.push("cases");
	Ok(cwd.join(path))
}

fn iterate_files() -> Result<Vec<PathBuf>, std::io::Error> {
	let base = get_base_path()?;
	let mut files = Vec::with_capacity(10);
	for file in std::fs::read_dir(base.display().to_string())? {
		let entry = file?;
		files.push(entry.path());
	}

	Ok(files)
}

fn read_and_parse(path: PathBuf) -> Result<(), std::io::Error> {
	let file = std::fs::read_to_string(path)?;
	parse_program(file.as_str()).expect("Failed to parse");
	Ok(())
}

#[test]
fn parse_all_programs() -> Result<(), std::io::Error> {
	for file in iterate_files()?.into_iter() {
		read_and_parse(file)?;
	}
	Ok(())
}