import java.util.Scanner;


public class UserInterface {

    private Scanner reader;
    private People people;

    public UserInterface(Scanner reader) {
        this.reader = reader;
        this.people = new People();
    }

    public void startUI() {
        this.printInstructions();
        while (true) {
            System.out.print("command: ");
            String userInput = reader.nextLine();
            if (userInput.equals("x")) {
                break;
            } else if (userInput.equals("1")) {
                addNumber();
            } else if (userInput.equals("2")) {
                searchForANumber();
            } else if (userInput.equals("3")) {
                searchForAPersonByPhoneNumber();
            } else if (userInput.equals("4")) {
                addAnAdress();
            } else if (userInput.equals("5")) {
                searchForPersonalInformation();
            } else if (userInput.equals("6")) {
                deletePersonalInformation();
            } else if (userInput.equals("7")) {
                filteredListing();
            }
        }
    }


    public void printInstructions() {
        System.out.println("phone search\navailable operations:");
        System.out.println(" 1 add a number");
        System.out.println(" 2 search for a number");
        System.out.println(" 3 search for a person by phone number");
        System.out.println(" 4 add an address");
        System.out.println(" 5 search for personal information");
        System.out.println(" 6 delete personal information");
        System.out.println(" 7 filtered listing");
        System.out.println(" x quit");
    }

    public void addNumber() {
        System.out.print("whose number: ");
        String name = reader.nextLine();
        System.out.print("number: ");
        String phoneNumber = reader.nextLine();
        if (!people.hasPerson(name)) {
            people.addPerson(new Person(name));
            people.getPerson(name).addNumber(phoneNumber);
        }
        people.getPerson(name).addNumber(phoneNumber);
    }

    public void searchForANumber() {
        System.out.print("whose number?");
        String name = reader.nextLine();
        if (people.hasPerson(name)) {
            System.out.println(people.getPerson(name).getPhoneNumbers());
        } else {
            System.out.println("  not found");
        }
    }

    public void searchForAPersonByPhoneNumber() {
        System.out.print("number: ");
        String phoneNumber = reader.nextLine();
        for (Person person : people.getPeople()) {
            if (person.getPhoneNumbers().contains(phoneNumber)) {
                System.out.println(" " + person.getName());
            }
        }
    }

    public void addAnAdress() {
        System.out.print("whose adress: ");
        String name = reader.nextLine();
        System.out.print("street: ");
        String street = reader.nextLine();
        System.out.print("city: ");
        String city = reader.nextLine();
        String adress = street + " " + city;
        if (!people.hasPerson(name)) {
            people.addPerson(new Person(name));
            people.getPerson(name).addAdress(adress);
        } else {
            people.getPerson(name).addAdress(adress);
        }
    }

    public void searchForPersonalInformation() {
        System.out.print("whose information: ");
        String name = reader.nextLine();
        if (!people.hasPerson(name)) {
            System.out.println(" not found");
        } else {
            System.out.println(people.getPerson(name).getAdresses());
            System.out.println("");
        }
    }

    public void deletePersonalInformation() {

    }

    public void filteredListing() {

    }

}