csvcreator

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class CsvFileWriter {

    //delimiter
    private static final String COMMA_DELIMITER = ",";
    private static final String NEW_LINE_SEPARATOR = "\n";

    //header
    private static final String FILE_HEADER = "amount, unit, ingredient, tags";

    public static void writeCsvFile(String recipeName) {

        ArrayList<Ingredients> ingredientList = createIngredientList();

        FileWriter fileWriter = null;

        try {

            fileWriter = new FileWriter(recipeName + ".csv");

            fileWriter.append(FILE_HEADER.toString());
            fileWriter.append(NEW_LINE_SEPARATOR);

            for(Ingredients i : ingredientList) {

                fileWriter.append(String.valueOf(i.getAmount()));
                fileWriter.append(COMMA_DELIMITER);
                fileWriter.append(i.getUnit());
                fileWriter.append(COMMA_DELIMITER);
                fileWriter.append(i.getTags());
                fileWriter.append(COMMA_DELIMITER);
                fileWriter.append(i.getIngredient());
                fileWriter.append(NEW_LINE_SEPARATOR);

            }

            System.out.print("Recipe " + recipeName + " was created!");

        } catch (Exception e) {

            System.out.print("Error in CSV-FileWriter!!");
            e.printStackTrace();

        }finally {

            try {
                fileWriter.flush();
                fileWriter.close();
            } catch (IOException e) {
                System.out.println("Error while flushing/closing fileWriter !!!");
                e.printStackTrace();
            }

        }
    }


    public static ArrayList<Ingredients> createIngredientList() {

        Scanner scan =  new Scanner(System.in);
        ArrayList<Ingredients> list = new ArrayList<Ingredients>();
        char quit = 'Y';
        String unit, ingredient, tags;
        double amount;

        while(quit == 'Y') {
            System.out.print("Please use underscores instead of spaces e.g. real_big_boats.\n");
            System.out.print("Amount: ");
            amount = scan.nextDouble();

            System.out.print("Unit: ");
            unit = scan.next();

            System.out.print("Ingredient: ");
            ingredient = scan.nextLine();

            System.out.print("Tags (e.g. tag;tag;tag): ");
            tags = scan.nextLine();

            list.add(new Ingredients(amount, unit, ingredient, tags));

            System.out.print("More Ingredients? (Y/N) ");
            String s = scan.next();
            s = s.toUpperCase();
            quit = s.charAt(0);

        }

        return list;

    }

    public static void main (String[] args) {
        System.out.print("Type recipe name here: ");

        Scanner scan = new Scanner(System.in);
        String recipeName = scan.next();

        writeCsvFile(recipeName);
    }

}