// SPDX-FileCopyrightText: 2025 Jonas Smedegaard <dr@jones.dk>
// SPDX-License-Identifier: GPL-3.0-or-later

package dk.abcdefghijklmnopqrstuvxyzæøå.bachelorizer.model;

import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.io.IOException;
import java.util.List;

/// Combi - static sample dataset of course combinations
///
/// Slurps and parses data from upstream-provided comma-separated file.
///
/// @version 0.0.1
/// @see <https://moodle.ruc.dk/mod/assign/view.php?id=523186>
public final class Combi {

	/// Default constructor
	///
	/// @param path  path to data file
	private Combi(final Path path) {

		try {
			// slurp all content at once
			List<String> lines = Files.readAllLines(path);

			for (String line : lines) {
				String[] values = line.split(",");

				for (String value : values) {
					System.out.print(value + "\t");
				}
				System.out.println();
			}

		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	/// JVM entry point
	///
	/// @param args  command-line arguments
	public static void main(final String[] args) {

		// first argument, if provided, is the data file path;
		// else use upstream named file in current directory.
		Path path = (args.length > 0)
			? Paths.get(args[0])
			: Paths.get("combi.txt");

		new Combi(path);
	}
}