/*
 * TODO: Put file header here.
 */
package schilling;

import java.util.Scanner;

/**
 * A simple test program for SE1021 laboratory assignment 2 in
 * winter 2014-2015.
 * @author schilling with minor edits by taylor and yoder
 * @version 1.1-20141205
 */
public class SimpleMain {

    /**
     * Provides a menu to obtain book and article references and then
     * display them to the console window.
     * @param args ignored
     */
    public static void main(String[] args) {
        // This variable will hold the references used.
        ReferenceHolder references = new ReferenceHolder();

        // Setup the keyboard as an input.
        Scanner in = new Scanner(System.in);

        char entry = '-';
        do {
            // Prompt the user for input.
            printPrompt();

            // Get the entry.
            String input = in.nextLine();
            if(input.length()==1) {
                entry = input.charAt(0);
            }

            switch (entry) {
                case '1': // Add a new book.
                    Reference reference = createGenericEntry(in);
                    references.addReference(reference);
                    break;
                case '2': // Print everything.
                    references.printAllBibtexEntries();
                    break;
            }
        } while (entry!='0');

    }

    /**
     * Displays main menu to the console.
     */
    public static void printPrompt() {
        System.out.println("Enter 0 to exit the program.");
        System.out.println("Enter 1 to enter a new generic reference.");
        System.out.println("Enter 2 to printout the entries in Bibtex format.");
    }

    /**
     * This method will allow the user to enter the information for the book.
     * @param in This is the keyboard.
     * @return A book will be returned.
     */
    public static Reference createGenericEntry(Scanner in) {
        System.out.println("Enter the author");
        String author = in.nextLine();

        System.out.println("Enter the title");
        String title = in.nextLine();

        System.out.println("Enter the copyright year for the book.");
        int copyright = Integer.parseInt(in.nextLine());

        return new Reference(author, title, copyright);
    }
}