package arraylists;

import javax.print.DocFlavor;
import java.util.ArrayList;
import java.util.List;

public class ArrayListProcessing {

    public static void main(String[] args) {
        //POINT A: Add some string which represent names to an ArrayList.
        List<String> names = new ArrayList<>();
        names.add("Holiday, Billie");
        names.add("Claudel, Camille");
        names.add("Picasso, Pablo");
        names.add("Galeen-Kallella, Akseli");
        names.add("Zotto, Osvaldo");
        names.add("Curry, Steph");
        names.add("Carney, Emily");
        names.add("Tiller, Chyenne");
        names.add("Sackey-Mensah, Mariah");
        //POINT B: Create an ArrayList of just the first names of the names ArrayList.
        //         Use a for loop to print out the names, separated by spaces.
        List<String> firstNamesList = firstNames(names);
        System.out.print("First names: ");
        for (String firstName : firstNamesList) {
                           System.out.println(firstName + " ");
        }
        System.out.println();
        //POINT C: Use String's join function to create and print a String of
        //          just the first name of the names ArrayList with each
        //          name separated by a comma,
        String firstNames = String.join(", ", firstNamesList);
        System.out.println("First names: " + firstNames);
        //POINT D: By analogy from points B and C, print a comma-separated
        //          list of the last names in the names ArrayList
        List<String> lastNamesList = lastNames(names);
        System.out.print("Last names: ");
        for (String lastName : lastNamesList) {
            System.out.println(lastName + " ");
        }
        System.out.println();
        String lastNames = String.join(", ", lastNamesList);
        System.out.println("Last names: " + lastNames);
        //POINT E: Print a comma-separated list of all uppercase first names
        //          from the list of names in the names ArrayList.
        List<String> upperCaseFirstNamesList = upperCaseNames(firstNames(names));
        String upperCaseFirstNames = String.join(", ", upperCaseFirstNamesList);
        System.out.println("UpperCase First Names: " + upperCaseFirstNames);
        //POINT F: Print a comma-separated list of all hyphenated last names
        //         from the list of names in the names ArrayList
        List<String> hyphenatedNamesList = hypenatedNames(names);
        String hyphenatedNames = String.join(",", hyphenatedNamesList);
        System.out.println("Hyphenated Names: " + hyphenatedNames);
        //POINT G: Print the int value of the total length of all names
        //          in the names ArrayList.
        int totalLength = totalNameLength(names);
        System.out.println("Total length: " + totalLength);
        //POINT H: Print the int value of the total length of all
        //          first names in the names ArrayList
        int totalFirstNameLength = totalNameLength(firstNamesList);
        System.out.println("Total First Names length: " + totalFirstNameLength);
        //POINT I: Print the int value of the product of the length of
        //          all first names in the names ArrayList.
        int totalLengthProduct = nameProduct(names);
        System.out.println("The product of the length of all names in the ArrayList: " + totalLengthProduct);
    }
    private static List<String> upperCaseNames(List<String> names) {
        List<String> uppercases = new ArrayList<>();
        for (String name : names) {
            uppercases.add(name.toUpperCase());
        }
        return uppercases;
    }
    private static List<String> hypenatedNames(List<String> names) {
        List<String> hyphenateds = new ArrayList<>();
        for (String name : names) {
            if (name.contains("-")) {
                hyphenateds.add(name);
            }
        }
        return hyphenateds;
    }
    private static int totalNameLength(List<String> names) {
        int totalLength = 0;
        for (String name : names) {
            totalLength = totalLength + name.length();
        }
        return totalLength;
    }
    private static int totalFirstNameLength(List<String> firstNames) {
        int totalFirstNameLength = 0;
        for (String firstName : firstNames) {
            totalFirstNameLength = totalFirstNameLength + firstName.length();
        }
        return totalFirstNameLength;
    }
    private static int nameProduct(List<String> names) {
        int totalLength = 1;
        for (String name : names) {
            totalLength = totalLength * name.length();
        }
        return totalLength;
    }
    private static String firstName(String directoryStyleName) {
        int commaPosition = directoryStyleName.indexOf(",");
        String firstName = directoryStyleName.substring(commaPosition + 2);
        return firstName;
    }

    private static List<String> firstNames(List<String> names) {
        List<String> firsts = new ArrayList<>();
        for (String name : names) {
            firsts.add(firstName(name));
        }
        return firsts;
    }

    private static String lastName(String directoryStyleName) {
        int commaPosition = directoryStyleName.indexOf(",");
        String lastName = directoryStyleName.substring(0, commaPosition);
        return lastName;
    }
    private static List<String> lastNames(List<String> names) {
        List<String> lasts = new ArrayList<>();
        for (String name : names) {
            lasts.add(lastName(name));
                     }
                  return lasts;
              }
    }