package de.vanitasvitae.imi.codes;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;

public class Main {

    private static final String NAME_JAR = "imicodes";
    private static final String HELP_HEADER = "Generate ID codes for sample tubes.";
    private static final String HELP_FOOTER = "\nAuthor: Paul Schaub <paul.schaub@wwu.de>";

    public static void main(String[] args) {

        Options options = Arguments.getCommandLineOptions();
        CommandLineParser parser = new DefaultParser();

        CommandLine arguments;
        try {
            arguments = parser.parse(options, args);
        } catch (ParseException e) {
            System.out.println(e.getMessage());
            printHelp(options);
            return;
        }

        if (arguments.hasOption(Arguments.HELP)) {
            printHelp(options);
            return;
        }
    }

    /**
     * Print a descriptive help text to the console.
     *
     * @param options {@link Options} for which we want to print a help text.
     */
    private static void printHelp(Options options) {
        HelpFormatter formatter = new HelpFormatter();

        formatter.printHelp(NAME_JAR, HELP_HEADER, options, HELP_FOOTER, true);
    }


}